CN115603873A - Method and arrangement in a communication node used for wireless communication - Google Patents

Abstract

The present application discloses a method and an apparatus used in a communication node for wireless communication. The communication node receives the first signaling, the first signaling indicates the target identity; monitors the first PDCCH, the first PDCCH is associated with the first downlink RS resource, and the first downlink RS resource is associated with the first downlink RS resource A PCI; receiving second signaling, the second signaling is used to indicate the second PCI; as a response to the behavior receiving the second signaling, monitoring the second PDCCH and giving up monitoring the first PDCCH, the The second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; the first signaling includes an RRC message; the second signaling includes a message under the RRC layer Signaling; the first PDCCH is scrambled using the source ID; the second PDCCH is scrambled using the target ID; the source ID and the target ID are different; the source ID and the target ID are one RNTI.

Description

A method and device used in a communication node for wireless communication

technical field

The present application relates to a transmission method and device in a wireless communication system, in particular to a mobility transmission method and device.

Background technique

Traditional network controlled (Network Controlled) mobility includes cell level mobility (cell level) and beam level mobility (beam level), wherein, cell level mobility depends on RRC (Radio Resource Control, wireless resource control) signaling, beam-level mobility does not involve RRC signaling. Before 3GPP (the 3rdGeneration Partnership Project, 3rd Generation Partnership Project) R16, beam-level mobility was only aimed at beam management (Beam Management) and the like within a single cell. The 3GPPRAN#80 meeting decided to carry out the "Further enhancements on MIMO for NR" work item (Work Iterm, WI) to support multi-beam (multi-beam) operation (operation), targeting Layer 1 (Layer 1, L1)/Layer 2 (Layer 2, L2)-centric inter-cell mobility (L1/L2-centric inter-cell mobility) is enhanced.

Contents of the invention

L1/L2-centered inter-cell mobility can be realized in a manner similar to mTRP (multiple Transmit/ReceivePoint). The parameters related to L1/L2-centered inter-cell mobility are configured through RRC messages, and UE (User Equipment, The user equipment) within the coverage of the current serving cell (Serving cell), determines to use the TRP of another cell for data transmission by receiving a downlink command, and the other cell and the current serving cell have different PCIs. When the UE uses the TRP of another cell for data transmission, it will affect the operation of the serving cell and needs to be enhanced.

Aiming at the above problems, the present application provides a solution. In the description of the above problem, the uu port scenario is used as an example; this application is also applicable to, for example, a sidelink (sidelink) scenario, and achieves a technical effect similar to that of the uu port scenario. In addition, adopting a unified solution for different scenarios can also help reduce hardware complexity and cost.

As an embodiment, the explanation of the term (Terminology) in this application refers to the definition of the TS36 series of standard protocols of 3GPP.

As an example, the interpretation of terms in this application refers to the definitions of the TS38 series of standard protocols of 3GPP.

As an example, the explanation of terms in this application refers to the definitions of the TS37 series of standard protocols of 3GPP.

As an example, the interpretation of terms in this application refers to the definition of the specification protocol of IEEE (Institute of Electrical and Electronics Engineers, Institute of Electrical and Electronics Engineers).

It should be noted that, in the case of no conflict, the embodiments and features in any node of the present application may be applied to any other node. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

The present application discloses a method used in a first node of wireless communication, which is characterized in that it includes:

receiving first signaling, the first signaling indicating a target identity;

Monitoring a first PDCCH (Physical downlink control channel, physical downlink control channel), the first PDCCH is associated to a first downlink RS (Reference signal, reference signal) resource, and the first downlink RS resource is associated To the first PCI (Physical Cell Identifier, physical cell identifier);

receiving second signaling, the second signaling being used to indicate a second PCI;

As a response to the behavior receiving the second signaling, monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is associated with the second downlink RS resource, and the second downlink RS resource is associated with the the second PCI;

Wherein, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using the source identifier; the second PDCCH is scrambled using the target identifier The source identifier and the target identifier are different; the source identifier and the target identifier are respectively an RNTI (Radio Network Temporary Identifier, wireless network temporary identifier).

As an embodiment, the problem to be solved in this application includes: how to realize inter-cell mobility centered on L1/L2.

As an embodiment, the L1/L2-centered inter-cell mobility includes: the first node uses radio resources of another cell in a serving cell, and the other cell and the serving cell have Different PCIs.

As an embodiment, when the first node uses radio resources of another cell in a serving cell, the serving cell remains unchanged.

As an embodiment, the first node continues to monitor a BCCH (Broadcast Control Channel, broadcast control channel) of the serving cell when using radio resources of another cell in a serving cell.

As an embodiment, when the first node uses radio resources of another cell in a serving cell, it continues to monitor system messages of the serving cell.

As an embodiment, the L1/L2-centered inter-cell mobility includes: the first node performs PUSCH (Physical uplink shared channel, physical uplink shared channel) through another TRP in a serving cell /PDSCH (Physical downlink shared channel, physical downlink shared channel) transmission, the other TRP does not belong to the serving cell.

As an embodiment, the inter-cell mobility centered on L1/L2 includes: the first node triggers cell handover according to L1/L2 measurement.

As an embodiment, the inter-cell mobility centered on L1/L2 includes: not performing handover based on L3 (Layer3, layer three).

As an embodiment, when the first node triggers cell switching according to the L1/L2 measurement, the serving cell changes.

As an embodiment, the problem to be solved in this application includes: how to ensure service continuity.

As an embodiment, the problem to be solved in this application includes: how to realize the HARQ operation of inter-cell mobility centered on L1/L2.

As an embodiment, the advantages of the above method include: when L1/L2-centric inter-cell mobility is executed, the MAC is not reset.

As an embodiment, the benefits of the above method include: improving service continuity.

As an embodiment, the benefits of the above method include: multiplexing the HARQ process.

As an embodiment, the benefits of the above method include: avoiding triggering unnecessary beam failures.

As an embodiment, the advantages of the above method include: avoiding HARQ combining of data on cells identified by different PCIs, and reducing data processing complexity.

As an embodiment, the benefits of the above method include: avoiding L3 handover.

According to one aspect of the present application, it is characterized in that it includes:

as a response to said act of receiving the second signaling, consider the first supplementary cell to be in a deactivated state;

Wherein, the first auxiliary cell and the cell identified by the first PCI belong to the same cell group.

As an embodiment, the characteristics of the above method include: when a SpCell (Special Cell, special cell) performs inter-cell mobility centered on L1/L2, regard the SCell in the corresponding cell group as a deactivated state.

According to one aspect of the present application, it is characterized in that the first auxiliary cell and the cell identified by the second PCI belong to different TAGs (Timing Advance Group, timing advance group).

As an embodiment, the characteristics of the above method include: the state of the SCell belonging to the same TAG as the SpCell remains unchanged.

As an embodiment, the characteristics of the above method include: deactivating the SCell that belongs to a different TAG from the SpCell.

According to one aspect of the present application, it is characterized in that it includes:

As a response to receiving the second signaling in the behavior, a C-RNTI (Cell RNTI, cell radio network temporary identifier) is set as the target identifier.

As an embodiment, the characteristics of the above method include: the UE side maintains only one C-RNTI at the same time, and the value of the C-RNTI is related to the currently used physical resource.

As an embodiment, the characteristics of the above method include: when the SpCell performs L1/L2-centered inter-cell mobility, setting the C-RNTI as the target identifier.

According to one aspect of the present application, it is characterized in that it includes:

receiving a first uplink grant and a second uplink grant, the first uplink grant is associated with the source identity, and the second uplink grant is associated with the target identity;

As a response to the behavior receiving the first uplink grant and the second uplink grant, it is considered that the first NDI (New Data Indicator, New Data Indicator) has flipped;

Wherein, the first uplink grant and the second uplink grant are associated with the same HARQ (Hybridautomatic repeat request, hybrid automatic repeat request) process; the receiving time of the first uplink grant is earlier than the second uplink grant receiving time.

According to one aspect of the present application, it is characterized in that it includes:

receiving a first uplink grant and a second uplink grant, the first uplink grant being associated with the source identity, and the second uplink grant being associated with the target identity; receiving the first uplink grant and the second uplink grant as the behavior Response granted, consider first NDI not rolled over;

Wherein, the first uplink grant and the second uplink grant are associated with the same HARQ process; the receiving moment of the first uplink grant is earlier than the receiving moment of the second uplink grant.

As an embodiment, the characteristics of the above method include: for the same HARQ process, when receiving a UL grant associated with the C-RNTI, if the previous UL grant is associated with the target identity, it is considered that the first NDI has been inverted; wherein, The target identifier is the C-RNTI of the first node in the cell identified by the second PCI.

According to one aspect of the present application, it is characterized in that it includes:

As a response to the behavior receiving the second signaling, the first counter is cleared; the first counter is maintained at a MAC (Medium Access Control, medium access control) layer.

As an embodiment, the characteristics of the above method include: the first counter is BFI_COUNTER.

As an embodiment, the characteristics of the above method include: the first counter is LBT_COUNTER.

As an embodiment, the characteristics of the above method include: the first counter is for the cell identified by the first PCI, or the first counter is for the cell identified by the second PCI.

As an embodiment, the characteristics of the above method include: when the SpCell performs L1/L2-centered inter-cell mobility, clearing the first counter to zero.

According to one aspect of the present application, it is characterized in that it includes:

receiving a reference signal of a first type, the reference signal of the first type being associated to the second PCI, measurements for the reference signal of the first type being used to determine to update the first counter;

When the first counter reaches a first value, initiate a first random access procedure; as a response to the act of initiating a first random access procedure, send a first wireless signal, the first wireless signal is associated with the first PCI;

Wherein, the first value is a positive integer; the first type of reference signal has nothing to do with the first PCI.

As an embodiment, the characteristics of the above method include: when the SpCell performs L1/L2-centered inter-cell mobility, if a beam failure occurs on the cell identified by the second PCI, the first PCI Perform beam failure recovery on the identified cell.

As an embodiment, the characteristics of the above method include: the cell identified by the first PCI is configured with random access resources used for BFR, and the cell identified by the second PCI is not configured to be used for Random access resource of BFR.

According to one aspect of the present application, it is characterized in that it includes:

sending a second wireless signal, the second wireless signal including the source identification;

Wherein, the second wireless signal belongs to the first random access procedure; the second wireless signal is sent after the first wireless signal.

The present application discloses a method used in a second node of wireless communication, which is characterized in that it includes:

sending first signaling, where the first signaling indicates a target identity;

Sending a first PDCCH, where the first PDCCH is associated to a first downlink RS resource, and the first downlink RS resource is associated to a first PCI;

sending second signaling, where the second signaling is used to indicate a second PCI;

Wherein, as a response to receiving the second signaling, the second PDCCH is monitored and the first PDCCH is abandoned for monitoring, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated to the second PCI; the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH The target identifier is used for scrambling; the source identifier is different from the target identifier; the source identifier and the target identifier are each an RNTI.

According to one aspect of the present application, it is characterized in that, as a response to receiving the second signaling, the first supplementary cell is considered to be in a deactivated state; wherein, the first supplementary cell and the first supplementary cell identified by the first PCI The cells belong to the same cell group.

According to one aspect of the present application, it is characterized in that the first auxiliary cell and the cell identified by the second PCI belong to different TAGs.

According to one aspect of the present application, it is characterized in that, as a response to receiving the second signaling, C-RNTI is set as the target identifier.

According to one aspect of the present application, it is characterized in that it includes:

sending a first uplink grant, the first uplink grant being associated with the source identifier;

Wherein, as a response that the first uplink grant and the second uplink grant are received, the first NDI is considered to have been reversed; the second uplink grant is associated with the target identifier; the first uplink grant and the second uplink grant The two uplink grants are associated with the same HARQ process; the receiving moment of the first uplink grant is earlier than the receiving moment of the second uplink grant.

According to one aspect of the present application, it is characterized in that it includes:

sending a first uplink grant, the first uplink grant being associated with the source identifier;

Wherein, as a response that the first uplink grant and the second uplink grant are received, the first NDI is considered not to be inverted; the second uplink grant is associated with the target identifier; the first uplink grant and the second uplink grant The two uplink grants are associated with the same HARQ process; the receiving moment of the first uplink grant is earlier than the receiving moment of the second uplink grant.

According to one aspect of the present application, it is characterized in that, as a response to receiving the second signaling, the first counter is cleared; and the first counter is maintained at the MAC layer.

According to one aspect of the present application, it is characterized in that it includes:

receiving a first wireless signal, the first wireless signal being associated with the first PCI;

Wherein, a first type of reference signal is received, the first type of reference signal is associated with the second PCI, and the measurement for the first type of reference signal is used to determine to update the first counter; when the first type of reference signal is When a counter reaches a first value, a first random access procedure is initiated; as a response to the initiation of the first random access procedure, the first wireless signal is sent; the first value is a positive integer; the The first type of reference signal is not related to the first PCI.

According to one aspect of the present application, it is characterized in that it includes:

receiving a second wireless signal, the second wireless signal including the source identification;

Wherein, the second wireless signal belongs to the first random access procedure; the second wireless signal is sent after the first wireless signal.

The present application discloses a first node used for wireless communication, which is characterized in that it includes:

The first receiver receives first signaling, where the first signaling indicates a target identity; monitors a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first downlink RS resource is used Associated with the first PCI; receiving second signaling, the second signaling being used to indicate the second PCI; monitoring the second PDCCH and giving up monitoring the first PDCCH as a response to the behavior receiving the second signaling , the second PDCCH is associated to a second downlink RS resource, and the second downlink RS resource is associated to the second PCI;

Wherein, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using the source identifier; the second PDCCH is scrambled using the target identifier ; The source ID is different from the target ID; the source ID and the target ID are each an RNTI.

The present application discloses a second node used for wireless communication, which is characterized in that it includes:

The second transmitter sends first signaling, where the first signaling indicates a target identifier; sends a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first downlink RS resource is used associated to the first PCI; sending second signaling, the second signaling being used to indicate the second PCI;

Wherein, as a response to receiving the second signaling, the second PDCCH is monitored and the first PDCCH is abandoned for monitoring, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated to the second PCI; the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH The target identifier is used for scrambling; the source identifier is different from the target identifier; the source identifier and the target identifier are each an RNTI.

As an example, compared with traditional solutions, this application has the following advantages:

-. Avoid L3 handover;

-. Improve service continuity;

-.Multiplexing the HARQ process;

-. Avoid triggering unnecessary beam failures;

- When L1/L2-centric inter-cell mobility is executed, the MAC is not reset;

-. avoid HARQ combining of data on cells identified by different PCIs, and reduce data processing complexity.

Description of drawings

Other characteristics, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 shows a flowchart of transmission of first signaling, second signaling, first PDCCH and second PDCCH according to an embodiment of the present application;

FIG. 2 shows a schematic diagram of a network architecture according to an embodiment of the present application;

FIG. 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application;

Fig. 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application;

FIG. 5 shows a flow chart of wireless signal transmission according to an embodiment of the present application;

FIG. 6 shows a flow chart of wireless signal transmission according to another embodiment of the present application;

Fig. 7 shows a flow chart of wireless signal transmission according to yet another embodiment of the present application;

FIG. 8 shows a flow chart of wireless signal transmission according to yet another embodiment of the present application;

FIG. 9 shows a schematic diagram of a first secondary cell and a cell identified by a second PCI belonging to different TAGs according to an embodiment of the present application;

Fig. 10 shows a schematic diagram of a relationship between a second node and a fourth node according to an embodiment of the present application;

Fig. 11 shows a structural block diagram of a processing device used in a first node according to an embodiment of the present application;

Fig. 12 shows a structural block diagram of a processing device used in a second node according to an embodiment of the present application;

Fig. 13 shows a flow chart of wireless signal transmission in which receiving the first uplink grant and the second uplink grant is used to determine that the first NDI is not inverted according to an embodiment of the present application.

detailed description

The technical solutions of the present application will be described in further detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily.

Example 1

Embodiment 1 illustrates a flowchart of transmission of first signaling, second signaling, first PDCCH and second PDCCH according to an embodiment of the present application, as shown in FIG. 1 . In the accompanying drawing 1, each block represents a step, and it should be emphasized that the order of the blocks in the figure does not represent the temporal sequence of the steps represented.

In Embodiment 1, in step 101, the first node in this application receives the first signaling, the first signaling indicates the target identity; monitors the first PDCCH, and the first PDCCH is associated with the first Row RS resource, the first downlink RS resource is associated to the first PCI; receiving second signaling, the second signaling is used to indicate the second PCI; receiving the second signaling as a response to the behavior , monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; wherein, the first The signaling includes RRC messages; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using the source identifier; the second PDCCH is scrambled using the target identifier; the source identifier and The target identifiers are different; the source identifier and the target identifier are respectively an RNTI.

As an embodiment, the phrase that the first signaling includes an RRC message includes: the first signaling includes at least one RRC (Radio Resource Control, radio resource control) message (Message).

As an embodiment, the phrase that the first signaling includes an RRC message includes: the first signaling includes at least one IE (Information Element, information element) in an RRC message.

As an embodiment, the phrase that the first signaling includes an RRC message includes: the first signaling includes at least one field (Field) in an RRC message.

As an embodiment, the first signaling includes an RRCReconfiguration message or an RRCConnectionReconfiguration message.

As an embodiment, the first signaling is transmitted through an air interface.

As an embodiment, the first signaling is a higher layer message.

As an embodiment, the signaling radio bearer (Signalling Radio Bearer, SRB) of the first signaling includes SRB1.

As an embodiment, the signaling radio bearer of the first signaling includes SRB3.

As an embodiment, the first signaling is a command to modify the RRC connection.

As an embodiment, the first signaling includes an RRCSetup message or an RRCConnectionSetup message.

As an embodiment, the first signaling includes an RRCReestablishment message or an RRCConnectionReestablishment message.

As an embodiment, the first signaling includes an RRCResume message or an RRCConnectionResume message.

As an embodiment, the phrase that the first signaling indicates the target identifier includes: the first signaling is used to determine the target identifier.

As an embodiment, the phrase that the first signaling indicates the target identifier includes: setting the target identifier according to the first signaling.

As an embodiment, the phrase that the first signaling indicates the target identifier includes: the first signaling includes the target identifier.

As an embodiment, the phrase that the first signaling indicates the target identifier includes: a field in the first signaling indicates the target identifier.

As an embodiment, the monitoring includes monitoring.

As an embodiment, the monitoring includes searching.

As an embodiment, the meaning of monitoring includes monitor.

As an embodiment, the monitoring means passing a CRC (Cyclic Redundancy Check, Cyclic Redundancy Check) check.

As an embodiment, the behavior of monitoring a PDCCH includes: determining whether there is a DCI (Downlink Control Information, downlink control information) through energy detection in the search space corresponding to the first PDCCH.

As an embodiment, the behavior of monitoring a PDCCH includes: determining whether there is a DCI through coherent detection in a search space corresponding to the one PDCCH, where the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the behavior of monitoring a PDCCH includes: determining whether there is a DCI through wideband detection in a search space corresponding to the one PDCCH, where the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the behavior of monitoring a PDCCH includes: determining whether there is a DCI through correlation detection in a search space corresponding to the one PDCCH, where the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the behavior of monitoring a PDCCH includes: determining whether there is a DCI through synchronization detection in a search space corresponding to the one PDCCH, where the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the behavior of monitoring a PDCCH includes: determining whether there is a DCI through waveform detection on a search space corresponding to the one PDCCH, where the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the behavior of monitoring a PDCCH includes: determining whether there is a DCI through maximum likelihood detection on the search space corresponding to the PDCCH, and the PDCCH is the first PDCCH or the second PDCCH .

As an embodiment, the behavior of monitoring the first PDCCH includes: monitoring a PDCCH candidate of DCI whose CRC is scrambled by the source identifier.

As an embodiment, the behavior of monitoring the second PDCCH includes: monitoring a PDCCH candidate of DCI whose CRC is scrambled by the target identifier.

As an embodiment, the behavior of monitoring the first PDCCH is used to determine a DCI whose CRC is scrambled by the source identifier.

As an embodiment, the behavior of monitoring the second PDCCH is used to determine a DCI whose CRC is scrambled by the target identifier.

As an embodiment, the first PDCCH carries at least one DCI.

As an embodiment, the first PDCCH includes one DCI.

As an embodiment, the first PDCCH includes a PDCCH candidate (candidate).

As an embodiment, the CRC of the DCI on the first PDCCH is scrambled by the source identifier.

As an embodiment, the first PDCCH includes a PDCCH candidate (candidate) of DCI whose CRC is scrambled by the source identifier.

As an embodiment, the first PDCCH includes a PDCCH transmission scrambled by the source identifier.

As an embodiment, the first PDCCH includes a PDCCH transmission scrambled by the source identifier, and the PDCCH transmission includes a DCI.

As an embodiment, the first PDCCH includes a PDCCH search space (PDCCH search space).

As an embodiment, the first PDCCH includes a PDCCH search space set (set).

As an embodiment, the first PDCCH includes at least one PDCCH candidate.

As an embodiment, the first PDCCH includes a CSS (Common search space, common search space) set.

As an embodiment, the first PDCCH includes a USS (UE-specific search space, UE-specific search space) set.

As an embodiment, the first PDCCH is a USS set.

As an embodiment, the first PDCCH is a Type3-PDCCH CSS set.

As an embodiment, the first PDCCH is a Type3A-PDCCH CSS set.

As an embodiment, the first PDCCH is a Type4-PDCCH CSS set.

As an embodiment, the first PDCCH does not include the Type0-PDCCH CSS set.

As an embodiment, the first PDCCH does not include the Type0A-PDCCH CSS set.

As an embodiment, the first PDCCH does not include the Type1-PDCCH CSS set.

As an embodiment, the first PDCCH does not include the Type2-PDCCH CSS set.

As an embodiment, the first PDCCH is associated with one search space (search space), the one search space is associated with one CORESET, and the one CORESET is associated with the first downlink RS resource.

As an embodiment, the phrase that the first PDCCH is associated with the first downlink RS resource includes: the first PDCCH includes a PDCCH dedicated to the first node.

As an embodiment, the phrase that the first PDCCH is associated with the first downlink RS resource includes: the first PDCCH is associated with a time/frequency control resource set (time/frequency control resource set, CORESET), the A CORESET includes the first downlink RS resource.

As an embodiment, the phrase that the first PDCCH is associated with the first downlink RS resource includes: the first PDCCH is associated with a search space (search space), and the search space corresponds to a CORESET, and the A CORESET includes the first downlink RS resource.

As an embodiment, the first downlink RS resource is used to determine a CORESET for searching downlink control information.

As an embodiment, the first downlink RS resource corresponds to a CORESET identifier.

As an embodiment, the first downlink RS resource corresponds to a search space identifier.

As an embodiment, the first downlink RS resource is associated with one CORESET.

As an embodiment, the first downlink RS resource corresponds to a TCI (Transmission Configuration Indication, transmission configuration indication) state (State) identifier.

As an embodiment, the first downlink RS resource is associated with a TCI state.

As an embodiment, the first downlink RS resource includes at least one reference signal (ReferenceSignal).

As an embodiment, the first downlink RS resource includes at least one CSI-RS (Channel State Information Reference Signal, Channel State Information Reference Signal).

As an embodiment, the first downlink RS resource includes at least one SSB (Synchronization Signal Block, synchronization signal block).

As an embodiment, the first downlink RS resource includes a CSI-RS indexed by NZP-CSI-RS-ResourceId.

As an embodiment, the first downlink RS resource includes an SSB indexed by SSB-Index.

As an embodiment, the phrase that the first downlink RS resource is associated with the first PCI includes: the first downlink RS resource is used to determine to search for downlink control in the cell identified by the first PCI CORESET of information.

As an embodiment, the phrase that the first downlink RS resource is associated with the first PCI includes: the first downlink RS resource is configured for the cell identified by the first PCI.

As an embodiment, the phrase that the first downlink RS resource is associated with the first PCI includes: the first downlink RS resource is dedicated to the cell identified by the first PCI.

As an embodiment, the phrase that the first downlink RS resource is associated with the first PCI includes: any reference signal included in the first downlink RS resource passes through the cell identified by the first PCI One of the TRPs is sent.

As an embodiment, the phrase that the first downlink RS resource is associated with the first PCI includes: any reference signal included in the first downlink RS resource corresponds to the cell identified by the first PCI A beam (beam) of a TRP in.

As an embodiment, the phrase that the second signaling includes signaling under the RRC layer includes: the second signaling is MAC layer signaling.

As an embodiment, the phrase that the second signaling includes signaling under the RRC layer includes: the second signaling is a physical layer signaling.

As an embodiment, the phrase that the second signaling includes signaling under the RRC layer includes: the second signaling is generated at the MAC layer.

As an embodiment, the phrase that the second signaling includes signaling under the RRC layer includes: the second signaling is generated at a physical layer.

As an embodiment, the phrase that the second signaling includes signaling under the RRC layer includes: the second signaling is not one of CCCH SDU, DCCH SDU, DTCH SDU, BCCH SDU, or PCCH SDU.

As an embodiment, the second signaling is used to determine to perform inter-cell mobility centered on L1/L2.

As an embodiment, the second signaling is used to determine to use the radio resource of the cell identified by the second PCI.

As an embodiment, the second signaling includes a MAC PDU (Protocol Data Unit, protocol data unit).

As an embodiment, the second signaling includes a MAC SDU (Service Data Unit, service data unit).

As an embodiment, the second signaling includes a MAC CE (Control Element, control element).

As an embodiment, the second signaling includes a MAC subheader (Subheader).

As an embodiment, the second signaling includes a MAC field.

As an embodiment, the second signaling includes a PDCCH.

As an embodiment, the second signaling includes a DCI.

As an embodiment, the phrase that the second signaling is used to indicate the second PCI includes: the second signaling explicitly indicates the second PCI.

As an embodiment, the phrase that the second signaling is used to indicate the second PCI includes: the second signaling implicitly indicates the second PCI.

As an embodiment, the phrase that the second signaling is used to indicate the second PCI includes: the second signaling is associated with the second PCI.

As an embodiment, the phrase that the second signaling is used to indicate the second PCI includes: the second signaling is used to determine to use the radio resources of the cell identified by the second PCI.

As an embodiment, the phrase that the second signaling is used to indicate the second PCI includes: the second signaling is used to determine to monitor the PDCCH for the cell identified by the second PCI.

As an embodiment, the phrase that the second signaling is used to indicate the second PCI includes: the second signaling is used to determine to perform inter-cell mobility centered on L1/L2.

As an embodiment, the second signaling includes a CORESET ID field, and the CORESET ID field is used to indicate a CORESET.

As an embodiment, the second signaling includes a CORESET ID field, where the CORESET ID field is used to indicate a CORESET, and the CORESET is associated with the cell identified by the second PCI.

As an embodiment, the second signaling includes a TCI State ID field, and the TCI State ID field is used to indicate a TCI state.

As an embodiment, the second signaling includes a TCI State ID field, the TCI State ID field is used to indicate a TCI state, and the TCI state is associated with the cell identified by the second PCI .

As an embodiment, the second signaling includes a TCI State ID field, and the TCI State ID field is used to indicate a TCI state, and the TCI state is associated with the second downlink RS resource; wherein, the The second downlink RS resource is associated with the second PCI.

As an embodiment, the second signaling includes a Serving Cell ID field, where the Serving CellID field indicates the identity of the serving cell.

As an embodiment, the second signaling includes a first field, the first field indicates the second PCI, and the first field is not a Serving Cell ID field, a CORESET ID field, or a TCI State ID field. one.

As a sub-embodiment of this embodiment, the first domain is set as the second PCI.

As a sub-embodiment of this embodiment, the first field is set as the index of the second PCI.

As a sub-embodiment of this embodiment, the first field is set to a first configuration index, the first configuration index corresponds to the cell identified by the second PCI, and the first configuration index is a non-negative integer.

As a subsidiary embodiment of this sub-embodiment, the first configuration index is configured by an RRC message.

As a subsidiary embodiment of this sub-embodiment, the first configuration index is an index in an index set.

As a subordinate embodiment of this subsidiary embodiment, one index in the one index set is not less than 0 and the one configuration index is not greater than 7.

As a subordinate embodiment of this subsidiary embodiment, the number of indexes in the one index set corresponds to the number of configured candidate cells for inter-cell mobility centered on L1/L2.

As a sub-embodiment of this embodiment, the first field indicates the target identifier.

As a sub-embodiment of this embodiment, the first field is set as the target ID, and the target ID is associated with the second PCI.

As an embodiment, the second signaling includes at least one of the Serving Cell ID field, or the CORESET ID field, or the TCI State ID field, or the first field.

As a sub-embodiment of this embodiment, the second signaling is composed of a Serving Cell ID field, a CORESET ID field, and a TCI State ID field.

As a sub-embodiment of this embodiment, the second signaling is composed of one Serving Cell ID field, two CORESET ID fields, and one TCI State ID field.

As a sub-embodiment of this embodiment, the second signaling is composed of one Serving Cell ID field, one CORESET ID field, one TCI State ID field, and one first field.

As a sub-embodiment of this embodiment, the second signaling is composed of one Serving Cell ID field, two CORESET ID fields, one TCI State ID field, and one first field.

As an embodiment, the phrase as a response to the behavior of receiving the second signaling includes: when the second signaling is received.

As an embodiment, the phrase as a response to the behavior of receiving the second signaling includes: if the second signaling is received.

As an embodiment, the phrase receiving the second signaling as a response to the behavior includes: if an indication that the second signaling is received is received at the MAC layer.

As an embodiment, the phrase receiving the second signaling as a response to the behavior includes: being a subsequent action of receiving the second signaling.

As an embodiment, the behavior receives the second signaling to trigger the behavior to monitor the second PDCCH and give up monitoring the first PDCCH.

As an embodiment, the second PDCCH carries at least one DCI.

As an embodiment, the second PDCCH includes a DCI (Downlink Control Information, downlink control information).

As an embodiment, the second PDCCH includes a PDCCH candidate (candidate).

As an embodiment, the CRC of the DCI on the second PDCCH is scrambled by the target identifier.

As an embodiment, the second PDCCH includes a PDCCH candidate (candidate) of DCI whose CRC is scrambled by the target identifier.

As an embodiment, the second PDCCH includes a PDCCH transmission scrambled by the target identifier.

As an embodiment, the second PDCCH includes a PDCCH transmission scrambled by the target identifier, and the PDCCH transmission includes a DCI.

As an embodiment, the second PDCCH includes a PDCCH search space (PDCCH search space).

As an embodiment, the second PDCCH includes a PDCCH search space set (set).

As an embodiment, the second PDCCH includes at least one PDCCH candidate.

As an embodiment, the second PDCCH includes a CSS set.

As an embodiment, the second PDCCH includes a USS set.

As an embodiment, the second PDCCH is a USS set.

As an embodiment, the second PDCCH is a Type3-PDCCH CSS set.

As an embodiment, the second PDCCH is a Type3A-PDCCH CSS set.

As an embodiment, the second PDCCH is a Type4-PDCCH CSS set.

As an embodiment, the second PDCCH does not include the Type0-PDCCH CSS set.

As an embodiment, the second PDCCH does not include the Type0A-PDCCH CSS set.

As an embodiment, the second PDCCH does not include the Type1-PDCCH CSS set.

As an embodiment, the second PDCCH does not include the Type2-PDCCH CSS set.

As an embodiment, the second PDCCH is associated with one search space, the one search space is associated with one CORESET, and the one CORESET is associated with the second downlink RS resource.

As an embodiment, a search space associated with the first PDCCH is different from a search space associated with the second PDCCH.

As an embodiment, a CORESET associated with the first PDCCH is different from a CORESET associated with the second PDCCH.

As an embodiment, a CORESET associated with the first PDCCH is the same as a CORESET associated with the second PDCCH.

As an embodiment, the phrase that the second PDCCH is associated with the second downlink RS resource includes: the second PDCCH includes a PDCCH dedicated to the first node.

As an embodiment, the phrase that the second PDCCH is associated with a second downlink RS resource includes: the second PDCCH is associated with a time/frequency (time/frequency) control resource set (control resource set, CORESET), so The one CORESET includes the second downlink RS resource.

As an embodiment, the phrase that the second PDCCH is associated with the second downlink RS resource includes: the second PDCCH is associated with a search space (search space), the search space corresponds to a CORESET, and the one The CORESET includes the second downlink RS resource.

As an embodiment, the second downlink RS resource is used to determine a time-frequency control resource set for searching for downlink control information.

As an embodiment, the second downlink RS resource corresponds to a CORESET identifier.

As an embodiment, the second downlink RS resource is associated with one CORESET.

As an embodiment, the second downlink RS resource corresponds to a TCI state (TCI State) identifier.

As an embodiment, the second downlink RS resource is associated with a TCI state.

As an embodiment, the second downlink RS resource includes at least one reference signal (ReferenceSignal).

As an embodiment, the second downlink RS resource includes at least one CSI-RS.

As an embodiment, the second downlink RS resource includes at least one SSB.

As an embodiment, the second downlink RS resource includes a CSI-RS indexed by NZP-CSI-RS-ResourceId.

As an embodiment, the second downlink RS resource includes an SSB indexed by SSB-Index.

As an embodiment, the phrase that the second downlink RS resource is associated with the second PCI includes: the second downlink RS resource is used to determine to search in the cell identified by the second PCI A set of time-frequency control resources for downlink control information.

As an embodiment, the phrase that the second downlink RS resource is associated with the second PCI includes: the second downlink RS resource is configured for the cell identified by the second PCI.

As an embodiment, the phrase that the second downlink RS resource is associated with the second PCI includes: the second downlink RS resource is dedicated to the cell identified by the second PCI.

As an embodiment, the phrase that the second downlink RS resource is associated with the second PCI includes: any reference signal included in the second downlink RS resource passes through the cell identified by the second PCI One of the TRPs is sent.

As an embodiment, the phrase that the second downlink RS resource is associated with the second PCI includes: any reference signal included in the second downlink RS resource corresponds to the cell identified by the second PCI A beam (beam) of a TRP in.

As an embodiment, the behavior of monitoring the second PDCCH and giving up monitoring the first PDCCH includes: starting to monitor the second PDCCH and not continuing to monitor the first PDCCH.

As an embodiment, the behavior of monitoring the second PDCCH and giving up monitoring the first PDCCH includes: starting to monitor the second PDCCH, and not expected (expected) to continue monitoring the first PDCCH.

As an embodiment, the phrase that the first PDCCH is scrambled using the source identifier includes: the CRC of the first PDCCH is scrambled using the source identifier.

As an embodiment, the phrase that the first PDCCH is scrambled using a source identifier includes: the source identifier is used to generate a scrambling sequence (scrambling sequence) of the first PDCCH.

As an embodiment, the phrase that the first PDCCH is scrambled using a source identifier includes: the source identifier is used to generate an initial scrambling sequence of the first PDCCH.

As an embodiment, the phrase that the second PDCCH is scrambled by using the target identifier includes: the CRC of the second PDCCH is scrambled by using the target identifier.

As an embodiment, the phrase that the second PDCCH is scrambled by using the target identifier includes: the target identifier is used to generate a scrambling sequence (scrambling sequence) of the second PDCCH.

As an embodiment, the phrase that the second PDCCH is scrambled using the target identifier includes: the target identifier is used to generate an initial scrambling sequence of the second PDCCH.

As an embodiment, the phrase that the source identifier is different from the target identifier includes: the names of the source identifier and the target identifier are different.

As an embodiment, the phrase that the source identifier is different from the target identifier includes: the source identifier and the target identifier have the same name, but the source identifier and the target identifier have different values.

As an embodiment, the phrase that the source identifier is different from the target identifier includes: the source identifier and the target identifier have different names, and the source identifier and the target identifier have different values.

As an embodiment, the phrase that the source identifier is different from the target identifier includes: the values of the source identifier and the target identifier are different.

As an embodiment, the value of the one RNTI includes an integer.

As an embodiment, the value of the one RNTI is an integer not less than 0 and not greater than 65535.

As an embodiment, the value of the one RNTI includes RNTI-Value.

As an embodiment, the value of the one RNTI is a hexa-decimal integer.

As an embodiment, the value of the one RNTI is a hexa-decimal integer, and the value of the one RNTI is not less than 0001, and the value of the one RNTI is not greater than FFF2.

As an embodiment, the one RNTI is a C-RNTI.

As an embodiment, the one RNTI is an MCS-C-RNTI.

As an embodiment, the source identifier is a C-RNTI, and the target identifier is a C-RNTI.

As an embodiment, the source identifier is an MCS-C-RNTI, and the target identifier is a C-RNTI.

As an embodiment, the source identifier is a C-RNTI, and the target identifier is an MCS-C-RNTI.

As an embodiment, the name of the source identifier is C-RNTI, and the name of the target identifier is not C-RNTI.

As an embodiment, the source identifier is an identifier of the first node in the first cell, and the target identifier is an identifier of the first node in the second cell.

As an embodiment, the source identifier is an identifier of the first node in the second cell, and the target identifier is an identifier of the first node in the first cell.

As an embodiment, the source ID is the ID of the first node in the cell identified by the first PCI, and the target ID is the ID of the first node in the cell identified by the second PCI The identity in the identified cell.

As an embodiment, the source identifier is the C-RNTI of the first node in the cell identified by the first PCI; the target identifier is the C-RNTI of the first node in the cell identified by the first PCI. C-RNTI in the cell identified by the two PCIs.

As an embodiment, the source identifier and the target identifier are of the same type.

As an embodiment, the source identifier and the target identifier are of different types.

As an embodiment, the name of the source identifier is not C-RNTI, and the name of the target identifier is C-RNTI.

As an embodiment, the source identifier is the RNTI of the first node in the PCell.

As an embodiment, the source identifier is a C-RNTI.

As an embodiment, the source identifier is the C-RNTI of the first node for the MCG.

As an embodiment, the PCI of a serving cell configured on the first node is the same as the first PCI or the second PCI.

As a sub-embodiment of this embodiment, the PCI of a serving cell configured on the first node is the same as the first PCI.

As a sub-embodiment of this embodiment, the PCI of a serving cell configured on the first node is the same as the second PCI.

As a sub-embodiment of this embodiment, the PCI of a serving cell configured by the first node is the same as the first PCI, and the PCI of any serving cell configured by the first node is the same as the first PCI. The two PCIs are different.

As a sub-embodiment of this embodiment, the PCI of a serving cell configured on the first node is the same as the second PCI, and the PCI of any serving cell configured on the first node is the same as the second PCI. A PCI is different.

As an embodiment, the first PDCCH indicates the scheduling information of the second signaling.

As an embodiment, one PDCCH indicates scheduling information of one PUSCH, and the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, one PDCCH indicates scheduling information of one PDSCH, and the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the scheduling information includes a time domain position, or a frequency domain position, or a modulation and coding scheme (Modulation and Coding Scheme, MCS), or a redundancy version (Redundancy Version, RV), or a new data flag (New Data Indicator, NDI), or at least one of the HARQ process ID (Process Identity).

As an embodiment, the time domain location includes resource allocation in time domain (Resource allocation in time domain).

As an embodiment, the time domain location includes time slot allocation.

As an embodiment, the time domain location includes symbol allocation.

As an embodiment, the time domain position is calculated according to Section 5.1.2.1 of TS 38.214.

As an embodiment, the time domain position is calculated according to a field in the DCI corresponding to the one PDCCH, the one field includes a Time domain resource assignment field, and the one PDCCH is the first PDCCH or the first PDCCH Two PDCCHs.

As an embodiment, the time domain position is determined according to the Time domain resource assignment field.

As an embodiment, the time domain location is determined according to the PDSCH-TimeDomainResourceAllocation field.

As an embodiment, the time domain position is determined according to Table 5.1.2.1.1-1 in TS 38.214.

As an embodiment, a field in the DCI corresponding to the one PDCCH indicates an m value, the m value is used to determine the time domain position, and the m value indicates Table 5.1.2.1.1- A row index (row index) m+1 of 1, the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the Time domain resource assignment field indicates the value of m.

As an embodiment, the row index m+1 is used to determine a slot offset (slot offset) K0, or a start and length indicator (SLIV), or a direct start symbol S, or an allocation length L, or a PDSCH At least one of the mapping types.

As an embodiment, the frequency domain location includes resource allocation in frequency domain (Resource allocation in frequency domain).

As an embodiment, the frequency domain position is calculated according to Section 5.1.2.2.2 of TS 38.214.

As an embodiment, the frequency domain position is calculated according to a field in the DCI corresponding to the one PDCCH, the one field includes a Frequency domain resource assignment field, and the one PDCCH is the first PDCCH or the first PDCCH Two PDCCHs.

As an embodiment, the frequency domain position is determined according to a downlink resource allocation (Downlink resource allocation) mode 0 (type0).

As an embodiment, the frequency domain position is determined according to downlink resource allocation (Downlink resource allocation) mode 1 (type 1).

As an embodiment, the frequency domain position is determined by a bitmap (bitmap), the bitmap indicates Resource Block Groups (Resource Block Groups, RBGs), and one resource block group includes a group of consecutive (consecutive ) virtual resource blocks (virtual resource blocks).

As an embodiment, a field in the DCI corresponding to the one PDCCH indicates a resource indication value (resource indication value, RIV), and the RIV indicates the start of a virtual resource block (RBstart) and the number of resources in units of continuously allocated resource blocks length (LRBs), the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the Frequency domain resource assignment field indicates the RIV.

As an embodiment, the MCS is determined according to a field in the DCI corresponding to the one PDCCH, the one field includes a modulation and coding scheme field (modulation and coding scheme field, IMCS), and the one PDCCH is the first PDCCH or the second PDCCH.

As an embodiment, the MCS includes at least one of a modulation order (modulation order, Qm) or a target code rate (target code rate, R).

As an embodiment, the NDI is determined according to a field in the DCI corresponding to the one PDCCH, the one field includes an NDI field (NDI field), and the one PDCCH is the first PDCCH or the second PDCCH .

As an embodiment, the HARQ process number includes a HARQ process number.

As an embodiment, the HARQ process number is determined according to a field in the DCI corresponding to the one PDCCH, the one field includes a HARQ process number field (HARQ process number field), and the one PDCCH is the first PDCCH Or the second PDCCH.

As an embodiment, the RV is determined according to a field in the DCI corresponding to the one PDCCH, the one field includes a redundancy version field (redundancy version field, rv), and the one PDCCH is the first PDCCH or The second PDCCH.

As an embodiment, one of the cell identified by the first PCI and the cell identified by the second PCI is configured as a serving cell of the first node.

As an embodiment, the cell identified by the first PCI is the first cell, and the cell identified by the second PCI is the second cell.

As an embodiment, the source ID is the ID of the first node in the cell identified by the first PCI; the target ID is the ID of the first node in the cell identified by the second PCI The identity in the identified cell.

As an embodiment, the first PCI is different from the second PCI.

As an embodiment, at least one time slot before the behavior receives the second signaling and at least one time slot after the behavior receives the second signaling, the first node in the first PCI The identified cell always monitors the BCCH.

As an embodiment, at least one time slot before the behavior receives the second signaling and at least one time slot after the behavior receives the second signaling, the first node in the first PCI System information (System Information, SI) is always displayed on the identified cell.

As an embodiment, the meaning of associating includes: being addressed to (address to).

As an embodiment, the meaning of the association includes: related.

As an embodiment, the meaning of association includes: associate.

As an embodiment, the meaning of association includes: correlation.

As an example, the meaning of A1 being associated with B1 includes: the B1 can be obtained through the A1.

As an example, the meaning of A1 being associated with B1 includes: the A1 can be obtained through the B1.

As an example, the meaning of A1 being associated with B1 includes: the A1 is used to determine the B1.

As an example, the association of A1 with B1 includes: the B1 is used to determine the A1.

As an example, the meaning of A1 being associated with B1 includes: there is a one-to-one correspondence between the A1 and the B1.

As an example, the meaning of A1 being associated with B1 includes: the A1 includes the B1.

As an example, the meaning of A1 being associated with B1 includes: the B1 includes the A1.

As an example, the meaning of A1 being associated with B1 includes: the A1 is related to the B1.

As an embodiment, the meaning that A1 is associated with B1 includes: the A1 and the B1 correspond to the same parameter.

As an embodiment, the meaning of A1 being associated with B1 includes: the A1 and the B1 correspond to the same identifier.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in FIG. 2 . Accompanying drawing 2 illustrates the network architecture 200 of 5G NR (New Radio, new air interface)/LTE (Long-Term Evolution, long-term evolution)/LTE-A (Long-Term Evolution Advanced, enhanced long-term evolution) system. 5G NR/LTE The /LTE-A network architecture 200 may be referred to as 5GS (5G System)/EPS (Evolved Packet System, Evolved Packet System) 200 or some other suitable term. 5GS/EPS 200 includes UE (User Equipment, user equipment) 201, RAN (radio access network) 202, 5GC (5G Core Network, 5G core network)/EPC (Evolved Packet Core, evolved packet core) 210, HSS (Home At least one of Subscriber Server, home subscriber server)/UDM (Unified Data Management, unified data management) 220 and Internet service 230 . 5GS/EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, 5GS/EPS provides packet-switched services, however those skilled in the art will readily appreciate that various concepts presented throughout this application may be extended to networks providing circuit-switched services or other cellular networks. The RAN includes node 203 and other nodes 204 . Node 203 provides user and control plane protocol termination towards UE 201 . Nodes 203 may connect to other nodes 204 via the Xn interface (eg, backhaul)/X2 interface. Node 203 may also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, Basic Service Set (BSS), Extended Service Set (ESS), TRP (Transmitting Receive Node), or some other suitable terminology. The node 203 provides an access point to the 5GC/EPC 210 for the UE 201 . Examples of UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices , video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, NB-IoT devices, machine type communication devices, land vehicles, automobiles, wearable devices, or any Other devices with similar functions. Those skilled in the art may also refer to UE 201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term. Node 203 is connected to 5GC/EPC210 through S1/NG interface. 5GC/EPC210 includes MME (MobilityManagement Entity, Mobility Management Entity)/AMF (Authentication Management Field, Authentication Management Field)/SMF (Session Management Function, Session Management Function) 211. Other MME/AMF/SMF 214, S-GW (Service Gateway, service gateway)/UPF (User Plane Function, user plane function) 212, and P-GW (Packet Date Network Gateway, packet data network gateway)/UPF 213. MME/AMF/SMF211 is a control node that handles signaling between UE201 and 5GC/EPC210. In general, the MME/AMF/SMF 211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through the S-GW/UPF212, and the S-GW/UPF212 itself is connected to the P-GW/UPF213. P-GW provides UE IP address allocation and other functions. P-GW/UPF 213 connects to Internet service 230 . The Internet service 230 includes Internet protocol services corresponding to operators, and specifically may include Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and packet-switched streaming services.

As an embodiment, the UE 201 corresponds to the first node in this application.

As an embodiment, the UE 201 is a user equipment (User Equipment, UE).

As an embodiment, the UE 201 is a terminal (ender).

As an embodiment, the node 203 corresponds to the second node in this application.

As an embodiment, the node 203 is a base station device (BaseStation, BS).

As an embodiment, the node 203 is a base transceiver station (Base Transceiver Station, BTS).

As an embodiment, the node 203 is a Node B (NodeB, NB).

As an embodiment, the node 203 is a gNB.

As an embodiment, the node 203 is an eNB.

As an embodiment, the node 203 is an ng-eNB.

As an embodiment, the node 203 is an en-gNB.

As an embodiment, the node 203 is a user equipment.

As an embodiment, the node 203 is a relay.

As an embodiment, the node 203 is a gateway (Gateway).

As an embodiment, the node 203 includes at least one TRP.

As an embodiment, the node 204 corresponds to the third node in this application.

As an embodiment, the node 204 corresponds to the fourth node in this application.

As an embodiment, the node 204 is a base station device (BaseStation, BS).

As an embodiment, the node 204 is a BS.

As an embodiment, the node 204 is a BTS.

As an embodiment, the node 204 is an NB.

As an embodiment, the node 204 is a gNB.

As an embodiment, the node 204 is an eNB.

As an embodiment, the node 204 is an ng-eNB.

As an embodiment, the node 204 is an en-gNB.

As an embodiment, the node 204 is a user equipment.

As an embodiment, the node 204 is a relay.

As an embodiment, the node 204 is a gateway (Gateway).

As an embodiment, the node 204 includes at least one TRP.

As an embodiment, the user equipment supports terrestrial network (Non-Terrestrial Network, NTN) transmission.

As an embodiment, the user equipment supports non-terrestrial network (Terrestrial Network, terrestrial network) transmission.

As an embodiment, the user equipment supports transmission in a network with a large delay difference.

As an embodiment, the user equipment supports dual connection (Dual Connection, DC) transmission.

As an embodiment, the user equipment includes an aircraft.

As an embodiment, the user equipment includes a vehicle-mounted terminal.

As an embodiment, the user equipment includes a ship.

As an embodiment, the user equipment includes an Internet of Things terminal.

As an embodiment, the user equipment includes a terminal of the Industrial Internet of Things.

As an embodiment, the user equipment includes equipment supporting low-latency and highly reliable transmission.

As an embodiment, the user equipment includes testing equipment.

As an embodiment, the user equipment includes a signaling tester.

As an embodiment, the user equipment supports NR.

As an embodiment, the user equipment supports UTRA.

As an embodiment, the user equipment supports EUTRA.

As an embodiment, the base station device supports transmission on a non-terrestrial network.

As an embodiment, the base station device supports transmission in a network with a large delay difference.

As an embodiment, the base station device supports the transmission of the terrestrial network.

As an embodiment, the base station equipment includes a macro cellular (Marco Cellular) base station.

As an embodiment, the base station device includes a micro cell (Micro Cell) base station.

As an embodiment, the base station device includes a pico cell (Pico Cell) base station.

As an embodiment, the base station device includes a home base station (Femtocell).

As an embodiment, the base station equipment includes base station equipment supporting a large delay difference.

As an embodiment, the base station equipment includes flying platform equipment.

As an embodiment, the base station equipment includes satellite equipment.

As an embodiment, the base station device includes a TRP (Transmitter Receiver Point, sending and receiving node).

As an embodiment, the base station device includes a CU (Centralized Unit, centralized unit).

As an embodiment, the base station device includes a DU (Distributed Unit, distribution unit).

As an embodiment, the base station equipment includes testing equipment.

As an embodiment, the base station equipment includes a signaling tester.

As an embodiment, the base station device includes an IAB (Integrated Access and Backhaul)-node.

As an embodiment, the base station device includes an IAB-donor.

As an embodiment, the base station device includes an IAB-donor-CU.

As an embodiment, the base station device includes an IAB-donor-DU.

As an embodiment, the base station device includes an IAB-DU.

As an embodiment, the base station equipment includes an IAB-MT.

As an embodiment, the relay includes a relay.

As an embodiment, the relay includes an L3 relay.

As an embodiment, the relay includes an L2 relay.

As an embodiment, the relay includes a router.

As an embodiment, the relay includes a switch.

As an embodiment, the relay includes user equipment.

As an embodiment, the relay includes base station equipment.

As an embodiment, at least one of the connection between the UE 201 and the node 203 and the connection between the UE 201 and the node 204 exists.

As a sub-embodiment of this embodiment, the connection between the UE 201 and the node 203 exists, and the connection between the UE 201 and the node 204 does not exist.

As a sub-embodiment of this embodiment, the connection between the UE 201 and the node 203 does not exist, and the connection between the UE 201 and the node 204 exists.

As a sub-embodiment of this embodiment, the connection between the UE 201 and the node 203 exists, and the connection between the UE 201 and the node 204 exists.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to the present application, as shown in FIG. 3 . FIG. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for the user plane 350 and the control plane 300 . FIG. 3 shows the radio protocol architecture for the control plane 300 in three layers: Layer 1 , Layer 2 and Layer 3 . Layer 1 (L1 layer) is the lowest layer and implements various PHY (Physical Layer) signal processing functions. The L1 layer will be referred to herein as PHY 301 . Layer 2 (L2 layer) 305 is above PHY301, including MAC (Medium Access Control, Media Access Control) sublayer 302, RLC (Radio Link Control, radio link layer control protocol) sublayer 303 and PDCP (Packet Data Convergence Protocol) , Packet Data Convergence Protocol) sublayer 304. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets, and provides handoff support. The RLC sublayer 303 provides segmentation and reassembly of upper layer packets, retransmission of lost packets, and reordering of packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (eg, resource blocks) in a cell. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control, Radio Resource Control) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and configuring lower layers using RRC signaling. The radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer). The MAC sublayer 352 in the RLC sublayer 353 and L2 layer 355 is substantially the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also provides header compression for upper layer packets to reduce radio frequency launch overhead. The L2 layer 355 in the user plane 350 also includes a SDAP (Service DataAdaptation Protocol, Service Data Adaptation Protocol) sublayer 356, and the SDAP sublayer 356 is responsible for the mapping between the QoS flow and the data radio bearer (DRB, Data Radio Bearer), To support business diversity.

As an embodiment, the wireless protocol architecture in Fig. 3 is applicable to the first node in this application.

As an embodiment, the wireless protocol architecture in Fig. 3 is applicable to the second node in this application.

As an embodiment, the wireless protocol architecture in Fig. 3 is applicable to the third node in this application.

As an embodiment, the wireless protocol architecture in Fig. 3 is applicable to the fourth node in this application.

As an embodiment, the first signaling in this application is generated by the RRC306.

As an embodiment, the first signaling in this application is generated by the MAC302 or the MAC352.

As an embodiment, the first signaling in this application is generated by the PHY301 or the PHY351.

As an embodiment, the second signaling in this application is generated by the MAC302 or the MAC352.

As an embodiment, the second signaling in this application is generated by the PHY301 or the PHY351.

As an embodiment, the first PDCCH in this application is generated by the PHY301 or the PHY351.

As an embodiment, the second PDCCH in this application is generated by the PHY301 or the PHY351.

As an embodiment, the first uplink grant in this application is generated by the MAC302 or the MAC352.

As an embodiment, the first uplink grant in this application is generated by the PHY301 or the PHY351.

As an embodiment, the second uplink grant in this application is generated by the MAC302 or the MAC352.

As an embodiment, the second uplink grant in this application is generated by the PHY301 or the PHY351.

As an embodiment, the first type of reference signal in this application is generated by the PHY301 or the PHY351.

As an embodiment, the first wireless signal in this application is generated by the MAC302 or the MAC352.

As an embodiment, the first wireless signal in this application is generated by the PHY301 or the PHY351.

As an embodiment, the second wireless signal in this application is generated by the MAC302 or the MAC352.

As an embodiment, the second wireless signal in this application is generated by the PHY301 or the PHY351.

Example 4

Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in FIG. 4 . Fig. 4 is a block diagram of a first communication device 450 and a second communication device 410 communicating with each other in an access network.

The first communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454 and antenna 452 .

Second communications device 410 includes controller/processor 475 , memory 476 , receive processor 470 , transmit processor 416 , multi-antenna receive processor 472 , multi-antenna transmit processor 471 , transmitter/receiver 418 and antenna 420 .

In transmission from said second communication device 410 to said first communication device 450 , at said second communication device 410 upper layer data packets from the core network are provided to a controller/processor 475 . Controller/processor 475 implements the functionality of the L2 layer. In transmission from the second communications device 410 to the first communications device 450, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels. Multiplexing, and allocation of radio resources to said first communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets, and signaling to the first communication device 450 . The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (ie, physical layer). The transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communication device 410, and based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift Mapping of signal clusters for keying (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more spatial streams. The transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with a reference signal (e.g., pilot) in the time and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate A physical channel that carries a time-domain multi-carrier symbol stream. Then the multi-antenna transmit processor 471 performs a transmit analog precoding/beamforming operation on the time-domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into an RF stream, which is then provided to a different antenna 420 .

In transmission from said second communication device 410 to said first communication device 450 , at said first communication device 450 each receiver 454 receives a signal via its respective antenna 452 . Each receiver 454 recovers the information modulated onto an RF carrier and converts the RF stream to a baseband multi-carrier symbol stream that is provided to a receive processor 456 . Receive processor 456 and multi-antenna receive processor 458 implement various signal processing functions of the L1 layer. The multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454 . Receive processor 456 converts the baseband multi-carrier symbol stream after the receive analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receiving processor 456, wherein the reference signal will be used for channel estimation, and the data signal is recovered in the multi-antenna detection in the multi-antenna receiving processor 458. Any spatial stream for which the first communication device 450 is a destination. The symbols on each spatial stream are demodulated and recovered in receive processor 456 and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the second communications device 410 on the physical channel. The upper layer data and control signals are then provided to the controller/processor 459 . Controller/processor 459 implements the functions of the L2 layer. Controller/processor 459 can be associated with memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In transmission from said second communication device 410 to said second communication device 450, controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , control signal processing to recover upper layer data packets from the core network. The upper layer packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.

In transmission from said first communication device 450 to said second communication device 410 , at said first communication device 450 a data source 467 is used to provide upper layer data packets to a controller/processor 459 . Data source 467 represents all protocol layers above the L2 layer. Similar to the transmit function at the second communications device 410 described in the transmission from the second communications device 410 to the first communications device 450, the controller/processor 459 implements a header based on radio resource allocation Compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels, implementing L2 layer functions for user plane and control plane. The controller/processor 459 is also responsible for retransmission of lost packets, and signaling to the second communication device 410 . The transmit processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, and then transmits The processor 468 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream, which is provided to different antennas 452 via the transmitter 454 after undergoing analog precoding/beamforming operations in the multi-antenna transmit processor 457 . Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into an RF symbol stream, and then provides it to the antenna 452 .

In the transmission from the first communication device 450 to the second communication device 410, the function at the second communication device 410 is similar to that in the transmission from the second communication device 410 to the first communication device 450 The receive function at the first communication device 450 is described in the transmission. Each receiver 418 receives radio frequency signals through its respective antenna 420 , converts the received radio frequency signals to baseband signals, and provides the baseband signals to multi-antenna receive processor 472 and receive processor 470 . The receive processor 470 and the multi-antenna receive processor 472 jointly implement the functions of the L1 layer. Controller/processor 475 implements L2 layer functions. Controller/processor 475 can be associated with memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In transmission from said first communication device 450 to said second communication device 410, controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression . Control signal processing to recover upper layer data packets from UE450. Upper layer packets from controller/processor 475 may be provided to the core network.

As an embodiment, the first communication device 450 includes: at least one processor and at least one memory, and the at least one memory includes computer program code; the at least one memory and the computer program code are configured to communicate with the Used together by at least one processor, the first communication device 450 at least: receives first signaling, the first signaling indicates the target identity; monitors the first PDCCH, and the first PDCCH is associated to the first downlink RS resource, the first downlink RS resource is associated to the first PCI; receiving second signaling, the second signaling is used to indicate the second PCI; as a response to receiving the second signaling in the behavior, monitoring The second PDCCH and give up monitoring the first PDCCH, the second PDCCH is associated with the second downlink RS resource, and the second downlink RS resource is associated with the second PCI; wherein the first signaling Including RRC messages; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using the source identifier; the second PDCCH is scrambled using the target identifier; the source identifier and the The target IDs are different; the source ID and the target ID are respectively an RNTI.

As an embodiment, the first communication device 450 includes: a memory storing a computer-readable instruction program, and the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: receiving a first A signaling, the first signaling indicates the target identity; monitor the first PDCCH, the first PDCCH is associated with the first downlink RS resource, and the first downlink RS resource is associated with the first PCI; receive second signaling, the second signaling is used to indicate the second PCI; as a response to receiving the second signaling in the behavior, monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is blocked Associated with a second downlink RS resource, the second downlink RS resource is associated with the second PCI; wherein, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer The first PDCCH is scrambled using the source identifier; the second PDCCH is scrambled using the target identifier; the source identifier is different from the target identifier; the source identifier and the target identifier are each an RNTI.

As an embodiment, the second communication device 410 includes: at least one processor and at least one memory, and the at least one memory includes computer program code; the at least one memory and the computer program code are configured to communicate with the Use with at least one processor. The second communication device 410 at least: sends first signaling, where the first signaling indicates a target identifier; sends a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first downlink The row RS resource is associated to the first PCI; sending second signaling, the second signaling is used to indicate the second PCI; wherein, as a response to the second signaling being received, the second PDCCH is monitored and The first PDCCH is abandoned for monitoring, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; the first signaling includes an RRC message; the The second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using the source ID; the second PDCCH is scrambled using the target ID; the source ID is different from the target ID; The source identifier and the target identifier are respectively an RNTI.

As an embodiment, the second communication device 410 includes: a memory storing a computer-readable instruction program, and the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: sending the first A signaling, the first signaling indicates a target identity; sending a first PDCCH, the first PDCCH is associated to a first downlink RS resource, and the first downlink RS resource is associated to a first PCI; sending second signaling, where the second signaling is used to indicate a second PCI; wherein, as a response to receiving the second signaling, the second PDCCH is monitored and the first PDCCH is abandoned for monitoring, the The second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; the first signaling includes an RRC message; the second signaling includes a message under the RRC layer Signaling; the first PDCCH is scrambled using the source ID; the second PDCCH is scrambled using the target ID; the source ID and the target ID are different; the source ID and the target ID are one RNTI.

As an embodiment, the antenna 452, the receiver 454, the receiving processor 456, and the controller/processor 459 are used to receive the first signaling; the antenna 420, the transmitter 418 , at least one of the transmit processor 416 and the controller/processor 475 is used to send the first signaling.

As an embodiment, the antenna 452, the receiver 454, the receiving processor 456, and the controller/processor 459 are used to receive the second signaling; the antenna 420, the transmitter 418 , at least one of the transmit processor 416 and the controller/processor 475 is used to send the second signaling.

As an embodiment, the antenna 452, the receiver 454, the receiving processor 456, and the controller/processor 459 are used to receive the first uplink grant; the antenna 420, the transmitter 418 , at least one of the transmit processor 416 and the controller/processor 475 is configured to send a first uplink grant.

As an embodiment, the antenna 452, the receiver 454, the receiving processor 456, and the controller/processor 459 are used to receive the second uplink grant; the antenna 420, the transmitter 418 , at least one of the transmit processor 416 and the controller/processor 475 is configured to send a second uplink grant.

As an embodiment, the antenna 452, the receiver 454, the receiving processor 456, and the controller/processor 459 are used to receive the first type of reference signal; the antenna 420, the transmitter 418. At least one of the transmitting processor 416 and the controller/processor 475 is used to send the first type of reference signal.

As an example, the antenna 452, the receiver 454, the receiving processor 456, and the controller/processor 459 are used to monitor the first PDCCH; the antenna 420, the transmitter 418, At least one of the transmit processor 416, the controller/processor 475 is used to transmit a first PDCCH.

As an example, the antenna 452, the receiver 454, the receiving processor 456, and the controller/processor 459 are used to monitor the second PDCCH; the antenna 420, the transmitter 418, At least one of the transmit processor 416, the controller/processor 475 is used to transmit a second PDCCH.

As an implementation, the antenna 452, the transmitter 454, the transmitting processor 468, and the controller/processor 459 are used to transmit a second wireless signal; the antenna 420, the receiver 418, At least one of the receive processor 470, the controller/processor 475 is configured to receive a second wireless signal.

As an embodiment, the first communication device 450 corresponds to the first node in this application.

As an embodiment, the second communication device 410 corresponds to the second node in this application.

As an embodiment, the second communication device 410 corresponds to the third node in this application.

As an embodiment, the second communication device 410 corresponds to the fourth node in this application.

As an embodiment, the first communication device 450 is a user equipment.

As an embodiment, the first communication device 450 is a user equipment supporting a large delay difference.

As an embodiment, the first communication device 450 is a user equipment supporting NTN.

As an embodiment, the first communication device 450 is an aircraft device.

As an embodiment, the first communication device 450 has a positioning capability.

As an example, the first communication device 450 does not have a fixed energy capability.

As an embodiment, the first communication device 450 is a user equipment supporting TN.

As an embodiment, the second communication device 410 is a base station device (gNB/eNB/ng-eNB).

As an embodiment, the second communication device 410 is a base station device supporting a large delay difference.

As an embodiment, the second communication device 410 is a base station device supporting NTN.

As an embodiment, the second communication device 410 is a satellite device.

As an embodiment, the second communication device 410 is a flight platform device.

As an embodiment, the second communication device 410 is a base station device supporting TN.

Example 5

Embodiment 5 illustrates a flow chart of wireless signal transmission according to an embodiment of the present application, as shown in FIG. 5 . It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.

For the first node U01 , in step S5101, the first signaling is received, and the first signaling indicates the target identity; in step S5102, the first PDCCH is monitored, and the first PDCCH is associated to the first downlink RS resource, the first downlink RS resource is associated with the first PCI; in step S5103, receive second signaling, the second signaling is used to indicate the second PCI; in step S5104, as the The behavior receives a response to the second signaling, monitors the second PDCCH and gives up monitoring the first PDCCH, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI.

For the second node N02 , in step S5201, send the first signaling; in step S5202, send the second signaling.

For the third node N03 , in step S5301, send the first signaling.

In Embodiment 5, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH uses the The target ID is scrambled; the source ID and the target ID are different; the source ID and the target ID are each an RNTI.

As an embodiment, the first node U01 is a user equipment.

As an embodiment, the first node U01 is a terminal.

As an embodiment, the second node N02 includes a TRP.

As an embodiment, the second node N02 includes one DU.

As an embodiment, the second node N02 includes a gNB.

As an embodiment, the second node N02 includes a base station device.

As an embodiment, the second node N02 includes a user equipment.

As an embodiment, the third node N03 includes a TRP.

As an embodiment, the third node N03 includes a TRP.

As an embodiment, the third node N03 includes one DU.

As an embodiment, the third node N03 includes a gNB.

As an embodiment, the third node N03 includes a base station device.

As an embodiment, the third node N03 includes a user equipment.

As an embodiment, the second node N02 and the third node N03 are each a TRP, the second node N02 is associated with the first PCI, and the third node N03 is associated with the second PCI .

As an embodiment, the uplink sending timings of the second node N02 and the third node N03 are the same.

As an embodiment, the uplink sending timings of the second node N02 and the third node N03 are different.

As an embodiment, the ideal backhaul is between the second node N02 and the third node N03.

As an embodiment, there is a non-ideal backhaul between the second node N02 and the third node N03.

As an embodiment, the second node N02 and the third node N03 belong to the same DU.

As an embodiment, the second node N02 and the third node N03 belong to different DUs.

As an example, the dashed box F5.1 is optional.

As an example, the dotted box F5.1 exists.

As an example, the dotted box F5.1 does not exist.

As an example, the dashed box F5.2 is optional.

As an example, the dotted box F5.2 exists.

As an example, the dotted box F5.2 does not exist.

As an example, the dashed box F5.1 exists, and the dashed box F5.2 does not exist.

As an embodiment, the third node N03 includes a maintenance base station of a cell before the PCell of the first node U01 is handed over to the cell identified by the first PCI.

As an embodiment, the third node N03 includes a maintenance base station of the cell identified by the second PCI.

As an embodiment, the second node N02 includes a maintenance base station of the cell identified by the first PCI.

As an embodiment, the cell identified by the first PCI includes the second cell.

As an embodiment, the second node N02 includes a maintenance base station of the second cell.

As an embodiment, the second node N02 includes the second TRP.

As an embodiment, the first signaling is used in a synchronous reconfiguration process.

As an embodiment, the first signaling is used for handover configuration.

As an embodiment, the first signaling includes physical layer parameters of the first node U01 in the first cell.

As an embodiment, the first signaling includes a C-RNTI of the first node U01 in the first cell, and the C-RNTI is the target identifier.

As an embodiment, the first signaling includes MAC layer parameters of the first node U01 in the first cell.

As an embodiment, the first signaling includes PDCP layer parameters of the first node U01 in the first cell.

As an embodiment, the first signaling includes RLC layer parameters of the first node U01 in the first cell.

As an embodiment, the first signaling includes the second PCI of the first cell.

As an embodiment, the first signaling includes a timer T304.

As an embodiment, the first signaling includes a reconfigurationWithSync field.

As an embodiment, when the first signaling is received, the configuration in the first signaling is applied.

As an embodiment, the phrase that the first signaling indicates a target identifier includes: applying a value of an identifier indicated by the first signaling as the target identifier.

As a sub-embodiment of this embodiment, the one identity includes newUE-Identity; the value of the one identity includes an RNTI-Value; and the target identity includes a C-RNTI.

As a sub-embodiment of this embodiment, the first signaling includes a field in an RRC message, and the name of the field includes reconfigurationWithSync.

As a sub-embodiment of this embodiment, the first node U01 applies a value of an identifier indicated by the first signaling as the target identifier during a process of performing a synchronous reconfiguration (reconfiguration with sync).

As a sub-embodiment of this embodiment, the phrase applying the value of an identity indicated by the first signaling as the target identity includes: applying the value of newUE-Identity as the C of the first cell group -RNTI(apply the value of the newUE-Identity as the C-RNTI for the first cell group).

As an example, the dotted box F5.1 does not exist, and the dotted box F5.2 exists.

As an embodiment, the second node N02 includes a maintenance base station of the cell identified by the first PCI.

As an embodiment, the cell identified by the first PCI is the first cell.

As an embodiment, the second node N02 includes a maintenance base station of the first cell.

As an embodiment, the second node N02 includes the first TRP.

As an embodiment, the first signaling includes an RRCReconfiguration message.

As an embodiment, the first signaling is used to configure a candidate cell.

As an embodiment, the first signaling is used to configure a C-RNTI.

As an embodiment, the first signaling is used to configure the C-RNTI of a cell other than the serving cell of the first node U01.

As an embodiment, the first signaling includes physical layer parameters of the first node U01 in the second cell.

As an embodiment, the first signaling includes a C-RNTI of the first node U01 in the second cell, and the C-RNTI is the target identifier.

As an embodiment, when the first signaling is received, the configuration in the first signaling is not applied, and when the second signaling is received, the configuration in the first signaling is applied .

As an embodiment, the maintenance base station of a cell includes: wireless signals in the one cell are sent or received by the maintenance base station.

As an embodiment, the maintenance base station of a cell includes: the one cell is associated with the maintenance base station.

As an embodiment, the source identifier is an identifier of the first node U01 in the first cell, and the target identifier is an identifier of the first node U01 in the second cell.

As an embodiment, the source identifier is the identifier of the first node U01 in the second cell, and the target identifier is the identifier of the first node U01 in the first cell.

Example 6

Embodiment 6 illustrates a flow chart of wireless signal transmission according to another embodiment of the present application, as shown in FIG. 6 . It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.

For the first node U01 , in step S6101, the first signaling is received, and the first signaling indicates the target identity; in step S6102, the first uplink grant is received, and the first uplink grant is associated with the source identity ; In step S6103, monitor the first PDCCH, the first PDCCH is associated with the first downlink RS resource, and the first downlink RS resource is associated with the first PCI; In step S6104, receive the second signal command, the second signaling is used to indicate the second PCI; in step S6105, as a response to the behavior of receiving the second signaling, monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is Associated with a second downlink RS resource, the second downlink RS resource is associated with the second PCI; in step S6106, a second uplink grant is received, and the second uplink grant is associated with the target identifier; in step In S6107, as a response to receiving the first uplink grant and the second uplink grant in the behavior, it is considered that the first NDI has been reversed.

For the second node N02 , in step S6201, send the first uplink grant; in step S6202, send the second signaling.

For the fourth node N04 , in step S6401, send the second uplink grant.

In embodiment 6, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH uses the The target ID is scrambled; the source ID is different from the target ID; the source ID and the target ID are respectively an RNTI; the first uplink grant and the second uplink grant are associated with the same HARQ process; The receiving moment of the first uplink grant is earlier than the receiving moment of the second uplink grant.

As an embodiment, the first PDCCH indicates the scheduling information of the first uplink grant; the scheduling information includes time domain position, or frequency domain position, or MCS, or RV, or NDI, or HARQ process number at least one.

As an embodiment, the second PDCCH indicates the scheduling information of the second uplink grant; the scheduling information includes time domain position, or frequency domain position, or MCS, or RV, or NDI, or HARQ process number at least one.

As an embodiment, there is no Xn connection between the second node N02 and the fourth node N04.

As an embodiment, there is an Xn connection between the second node N02 and the fourth node N04.

As an embodiment, an ideal backhaul is used between the second node N02 and the fourth node N04.

As an embodiment, there is a non-ideal backhaul between the second node N02 and the fourth node N04.

As an embodiment, the second node N02 and the fourth node N04 belong to the same physical cell.

As an embodiment, the second node N02 and the fourth node N04 belong to different physical cells.

As an embodiment, the second node N02 and the fourth node N04 have the same physical cell identity (Physical Cell Identity, PCI).

As an embodiment, the second node N02 and the fourth node N04 have different physical cell identities.

As an embodiment, the second node N02 and the fourth node N04 belong to two different sites.

As an embodiment, the first uplink grant includes a UL grant.

As an embodiment, the first uplink grant is received on a PDCCH.

As an embodiment, the first uplink grant is a UL grant sent to the source identifier.

As an embodiment, the first uplink grant is received on the first PDCCH.

As an embodiment, the first uplink grant is received on a PDCCH for the source identifier.

As an embodiment, the second uplink grant includes a UL grant.

As an embodiment, the second uplink grant is received on a PDCCH.

As an embodiment, the second uplink grant is a UL grant sent to the target identifier.

As an embodiment, the second uplink grant is received on the second PDCCH.

As an embodiment, the second uplink grant is received on a PDCCH for the target identifier.

As an embodiment, the phrase that the first uplink grant is associated with the source identifier includes: the first uplink grant is received on the PDCCH for the source identifier.

As an embodiment, the phrase that the first uplink grant is associated with the source identity includes: the first uplink grant is for the source identity (The first UL grant is for the source identity).

As an embodiment, the phrase that the second uplink grant is associated with the target identifier includes: the second uplink grant is received on a PDCCH for the target identifier.

As an embodiment, the phrase that the second uplink grant is associated with the target identifier includes: the second uplink grant is for the target identifier.

As an embodiment, the phrase as a response to receiving the first uplink grant and the second uplink grant as the behavior includes: if the first uplink grant is received, and the second uplink grant is received.

As an embodiment, the phrase as a response to receiving the first uplink grant and the second uplink grant as the behavior includes: when the second uplink grant is received, if the first uplink grant is received before.

As an embodiment, the action "receives the first uplink grant and the second uplink grant as a response to the action, and considers that the first NDI has been reversed" includes: regardless of the HARQ information associated with the first uplink grant Whether the value of the first NDI is different from the value of the first NDI provided in the HARQ information associated with the second uplink grant, it is considered that the first NDI has been inverted.

As an embodiment, the behavior of "receiving the response of the first uplink grant and the second uplink grant as the behavior, considering that the first NDI has been reversed" means: receiving the first uplink grant and the second uplink grant as the behavior In response to the grant, it is considered that the second uplink grant is used to transmit new data.

As an embodiment, the behavior of considering that the first NDI has been reversed includes: considering that the value of the first NDI has changed.

As an embodiment, the behavior considering that the first NDI has been toggled includes: consider the first NDI to have been toggled.

As an embodiment, for the same HARQ process, when the values of the first NDI provided in the HARQ information associated with the previous two UL grants are different, the latter UL grant is used to transmit new data.

As an embodiment, for the same HARQ process, when the value of the first NDI provided in the HARQ information associated with the two UL grants is the same, the latter UL grant is used for retransmission (retransmission).

As an embodiment, the first NDI is one NDI.

As an embodiment, the first NDI includes 1 bit.

As an embodiment, the value of the first NDI is equal to 0 or 1.

As an embodiment, the first NDI is received in HARQ information.

As an embodiment, the first NDI is received in DCI.

As an embodiment, the first NDI is dedicated to a HARQ process.

As an embodiment, the first receiver receives a DCI, the DCI includes the first uplink grant and the first HARQ information, the first uplink grant is associated with a HARQ process, and the one HARQ The process is identified by a target integer, the first HARQ information includes the first NDI, and the first NDI is set to a first value; another DCI is received, and the other DCI includes the second uplink grant and second HARQ information, the second uplink grant is associated with a HARQ process, the HARQ process is identified by the target integer, the second HARQ information includes the first NDI, and the first NDI is identified by Set to a second value; wherein, the one DCI is associated with the first PDCCH; the other DCI is associated with the second PDCCH; and the target integer is a non-negative integer.

As a sub-embodiment of this embodiment, the target integer is not less than 0 and not greater than 15.

As a sub-embodiment of this embodiment, the target integer is not less than 0 and not greater than 31.

As a sub-embodiment of this embodiment, the target integer is a HARQ process identifier.

As an embodiment, within a time interval between the receiving moment of the first uplink grant and the receiving moment of the second uplink grant, the MAC entity is not reset.

As an embodiment, no other UL grant is received within a time interval between the receiving moment of the first uplink grant and the receiving moment of the second uplink grant.

As an embodiment, within a time interval between the receiving moment of the first uplink grant and the receiving moment of the second uplink grant, no other UL grant is received through the PDCCH.

As an embodiment, the phrase that the first uplink grant and the second uplink grant are associated with the same HARQ process includes: the first uplink grant and the second uplink grant have the same HARQ process identifier (HARQprocess ID).

As an embodiment, the phrase that the first uplink grant and the second uplink grant are associated with the same HARQ process includes: the first uplink grant and the second uplink grant belong to the same HARQ process.

As an embodiment, the HARQ process associated with the first uplink grant is identified by the target integer, and the HARQ process associated with the second uplink grant is identified by the target integer.

As an embodiment, the second uplink grant is a UL grant after the first uplink grant.

As an embodiment, the behavior of "receiving the second uplink grant as a response to the behavior, considering that the first NDI has been reversed" includes: if the second uplink grant is received on the PDCCH for the target identifier of the MAC entity (if the second uplink grant for the Serving Cell has been received on the PDCCH for the MAC entity's target identity), and if the second uplink grant is for the target identity of the MAC entity (if the second uplink grant received for the MAC entity 'ssecond identity), and if the previous uplink grant delivered to the HARQ entity for the same HARQ process was an uplink grant for the source identity of the MAC entity (and if the previous uplink grant delivered to the HARQ entity for the same HARQ process was an uplink grant received for the MAC entity's first identity), regardless of the value of the NDI, it is considered that the NDI of the corresponding HARQ process has been toggled (consider the NDI to have been toggled for the corresponding HARQ process regardless of the value of the NDI).

As a sub-embodiment of this embodiment, for Section 5.4.1 of TS 38.321, perform as follows:

1>if an uplink grant for this Serving Cell has been received on the PDCCH for the MAC entity's source identity (source identity) or Temporary C-RNTI or thetarget identity (target identity); or

1>if an uplink grant has been received in a Random Access Response:

2>if the uplink grant is for MAC entity's C-RNTI and if the previous uplink grant delivered to the HARQ entity for the same HARQ process wasither an uplink grant received for the MAC entity's CS-RNTI or a configured uplink grant, or,

2>if the uplink grant received for the MAC entity's target identity and if the previous uplink grant delivered to the HARQ entity for the sameHARQ process was an uplink grant received for the MAC entity's source identity, or,

3>consider the NDI to have been toggled for the corresponding HARQ process regardless of the value of the NDI.

As a subsidiary embodiment of this sub-embodiment, at least one of the source identifier and the target identifier is the C-RNTI of the first node U01 in the serving cell.

As a subsidiary embodiment of this sub-embodiment, the source identifier is a C-RNTI.

As a subordinate embodiment of this subsidiary embodiment, the target identifier is the C-RNTI of the first node U01 in the second cell.

As a subsidiary embodiment of this sub-embodiment, the target identifier is a C-RNTI.

As a subordinate embodiment of this subsidiary embodiment, the source identifier is the C-RNTI of the first node U01 in the second cell.

Example 7

Embodiment 7 illustrates a flow chart of wireless signal transmission according to another embodiment of the present application, as shown in FIG. 7 . It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.

For the first node U01 , in step S7101, the first signaling is received, and the first signaling indicates the target identity; in step S7102, the first PDCCH is monitored, and the first PDCCH is associated to the first downlink RS resource, the first downlink RS resource is associated with the first PCI; in step S7103, receive second signaling, the second signaling is used to indicate the second PCI; in step S7104, as the The behavior receives a response to the second signaling, monitors a second PDCCH and gives up monitoring the first PDCCH, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; In step S7105, the first counter is cleared as a response to the behavior receiving the second signaling; in step S7106, as a response to the behavior receiving the second signaling, the first secondary cell is regarded as deactivated State; in step S7107, as a response to receiving the second signaling of the behavior, set C-RNTI as the target identifier.

For the second node N02 , in step S7201, send the second signaling.

In Embodiment 7, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH uses the The target ID is scrambled; the source ID is different from the target ID; the source ID and the target ID are respectively an RNTI; the first counter is maintained at the MAC layer; The cells identified by the first PCI belong to the same cell group.

As an embodiment, the behavior receives the second signaling to trigger clearing the first counter.

As an embodiment, receiving the second signaling in the behavior triggers the behavior to regard the first secondary cell as a deactivated state.

As an embodiment, the behavior receives the second signaling to trigger the behavior to set the C-RNTI as the target identifier.

As an embodiment, receiving the second signaling in the behavior triggers the behavior to monitor the second PDCCH and give up monitoring the first PDCCH, or the behavior clears the first counter, or the behavior regards the first secondary cell as A deactivated state, or the behavior sets the C-RNTI as at least one of the target identifiers.

As an embodiment, the first receiver receives first signaling, where the first signaling indicates a target identifier; monitors a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first The downlink RS resource is associated to the first PCI; receiving second signaling, the second signaling is used to indicate the second PCI; as a response to receiving the second signaling in the behavior, treating the first secondary cell as In a deactivated state, and monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is associated to the second downlink RS resource, and the second downlink RS resource is associated to the second PCI; wherein, The first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using the source identifier; the second PDCCH is scrambled using the target identifier; The source identifier and the target identifier are different; the source identifier and the target identifier are respectively an RNTI; the first auxiliary cell and the cell identified by the first PCI belong to the same cell group.

As an embodiment, the first secondary cell is an SCell.

As an embodiment, the first secondary cell is an SCell in the MCG.

As an embodiment, the first secondary cell is an SCell in the SCG.

As an embodiment, the first secondary cell is any SCell in the MCG.

As an embodiment, the first secondary cell is any SCell in the SCG.

As an embodiment, the behavior of treating the first supplementary cell as a deactivated state includes: if the first supplementary cell is in an activated state, converting the first supplementary cell to the deactivated state.

As an embodiment, the behavior of treating the first supplementary cell as the deactivated state includes: if the first supplementary cell is in the deactivated state, maintaining the first supplementary cell in the deactivated state.

As an embodiment, the behavior regarding the first supplementary cell as being in a deactivated state includes: no matter whether the first supplementary cell is in the deactivated state, the first supplementary cell performs a behavior in the deactivated state.

As an embodiment, the behavior of treating the first secondary cell as a deactivated state includes at least one of the following behaviors:

- Stopping the sCellDeactivationTimer associated to said first secondary cell.

- stop the bwp-InactivityTimer associated to said first secondary cell.

- deactivating any active BWP (any active BWP) associated to said first secondary cell.

- deleting a configured downlink assignment (configured downlink assignment) and a configured uplink grant type 2 (configured uplink grant Type 2) associated with the first secondary cell.

- deleting the PUSCH resources associated with the semi-persistent CSI reporting of the first secondary cell.

- suspending a configured uplink grant type 1 (configured uplink grant Type 1) associated to the first secondary cell.

- flushing all HARQ buffers associated to said first secondary cell.

- canceling the continuous LBT failure triggered for the first secondary cell if there is a continuous LBT failure triggered for the first secondary cell.

As an embodiment, the behavior of treating the first supplementary cell as a deactivated state includes: not sending an SRS on the first supplementary cell.

As an embodiment, the behavior of treating the first supplementary cell as a deactivated state includes: not reporting CSI on the first supplementary cell.

As an embodiment, the behavior of regarding the first secondary cell as being in a deactivated state includes: not sending on the UL-SCH on the first secondary cell.

As an embodiment, the behavior of regarding the first secondary cell as being in a deactivated state includes: not sending on the RACH on the first secondary cell.

As an embodiment, the behavior of treating the first supplementary cell as a deactivated state includes: not monitoring the PDCCH on the first supplementary cell.

As an embodiment, the behavior of regarding the first supplementary cell as being in a deactivated state includes: not monitoring a PDCCH for the first supplementary cell.

As an embodiment, the behavior of treating the first supplementary cell as a deactivated state includes: not sending a PUCCH on the first supplementary cell.

As an embodiment, the first secondary cell includes an SCell.

As an embodiment, the same cell group is MCG.

As an embodiment, the same cell group is an SCG.

As an embodiment, the phrase that the first auxiliary cell and the cell identified by the first PCI belong to the same cell group includes: the first auxiliary cell and the cell identified by the first PCI are Two cells in the same cell group.

As an embodiment, the phrase that the first auxiliary cell and the cell identified by the first PCI belong to the same cell group includes: the first auxiliary cell and the cell identified by the first PCI are The same cellGroupId is configured.

As an embodiment, the cell identified by the first PCI is a PCell of the MCG, and the first secondary cell is an SCell of the MCG.

As an embodiment, the cell identified by the first PCI is a PSCell of an SCG, and the first secondary cell is an SCell of the SCG.

As an embodiment, the first secondary cell and the cell identified by the second PCI belong to different TAGs.

As an embodiment, the first secondary cell and the cell identified by the second PCI belong to the same TAG.

As an embodiment, the first receiver receives first signaling, where the first signaling indicates a target identifier; monitors a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first The downlink RS resource is associated to the first PCI; receiving second signaling, the second signaling is used to indicate the second PCI; as a response to receiving the second signaling in the behavior, setting the C-RNTI is the value of the target identifier, monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is associated with the second downlink RS resource, and the second downlink RS resource is associated with the second PCI; wherein, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH uses the target identifier Scrambling; the source ID and the target ID are different; the source ID and the target ID are each an RNTI.

As an embodiment, the act of setting the C-RNTI as the target identifier includes: setting the C-RNTI as the value of the target identifier.

As an embodiment, the act of setting the C-RNTI as the target identifier includes: setting the C-RNTI as the value of the target identifier.

As an embodiment, the act of setting the C-RNTI as the target identifier includes: modifying the C-RNTI from the source identifier to the target identifier at the MAC layer.

As an embodiment, the act of setting the C-RNTI as the target identifier includes: modifying the C-RNTI from the source identifier to the target identifier at the PHY layer.

As an embodiment, the C-RNTI is set as the target identifier at the MAC layer.

As an embodiment, the C-RNTI is set as the target identifier at the PHY layer.

As an embodiment, the C-RNTI is the C-RNTI of the first node U01 in the MAC entity corresponding to the cell group to which the cell identified by the first PCI belongs.

As an embodiment, the C-RNTI is the C-RNTI of the first node U01 in the MAC entity corresponding to the cell group to which the first cell belongs.

As an embodiment, the C-RNTI is the C-RNTI of the first node U01 in the MAC entity corresponding to the MCG.

As an embodiment, the C-RNTI is the C-RNTI of the MAC entity corresponding to the SCG of the first node U01.

As an embodiment, the C-RNTI is maintained by a MAC entity of the first node U01 corresponding to a cell group to which the cell identified by the first PCI belongs.

As an embodiment, the C-RNTI is associated with a cell group to which the cell identified by the first PCI belongs.

As an embodiment, the C-RNTI corresponds to a cell group to which the cell identified by the first PCI belongs.

As an embodiment, the C-RNTI is an identifier of the first node U01 in the first cell group.

As an embodiment, just before the behavior sets the C-RNTI as the target identifier, the C-RNTI is the value of the source identifier, and just before the behavior sets the C-RNTI as the target identifier Afterwards, the C-RNTI is the value of the target identifier.

As an embodiment, just before the behavior sets the C-RNTI as the target identifier, the first node U01 monitors the first PDCCH; just before the behavior sets the C-RNTI as the target identifier Afterwards, the first node U01 monitors the second PDCCH.

As an embodiment, the first receiver receives first signaling, where the first signaling indicates a target identifier; monitors a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first The downlink RS resource is associated to the first PCI; receiving second signaling, the second signaling is used to indicate the second PCI; as a response to the behavior receiving the second signaling, clearing the first counter, And monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is associated with the second downlink RS resource, and the second downlink RS resource is associated with the second PCI; wherein, the first The signaling includes RRC messages; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using the source identifier; the second PDCCH is scrambled using the target identifier; the source identifier and The target identifiers are different; the first counter is maintained at the MAC layer.

As an embodiment, the phrase receiving the second signaling as a response to the behavior includes: when the second signaling is received.

As an embodiment, the phrase as a response to the behavior of receiving the second signaling includes: if the second signaling is received.

As an embodiment, the phrase as a response to the behavior of receiving the second signaling includes: if the MAC entity receives the second signaling.

As an embodiment, the phrase as a response to the behavior of receiving the second signaling includes: if the MAC entity receives the second signaling.

As an embodiment, the act of clearing the first counter includes: setting the first counter to zero.

As an embodiment, the act of clearing the first counter includes: setting a value of the first counter to zero.

As an embodiment, the act of clearing the first counter includes: resetting the first counter.

As an embodiment, the act of clearing the first counter includes: setting the first counter to an initial value.

As an embodiment, the act of clearing the first counter includes: initializing the first counter, where an initial value of the first counter is 0.

As an embodiment, the phrase that the first counter is maintained at the MAC layer includes: the first counter is a MAC layer counter.

As an embodiment, the phrase that the first counter is maintained at the MAC layer includes: the first counter is maintained at the MAC entity.

As an embodiment, the first counter is a beam failure instance indication (beam failure instance indication) counter, and an initial value of the first counter is set to 0.

As an embodiment, the first counter is used to count the number of beam failure instance indications.

As an embodiment, the first counter is an LBT (Listen Before Talk, Listen Before Talk) failure indication (LBT failure indication) counter, and the initial value of the first counter is set to 0.

As an embodiment, the first counter is used to count the number of LBT failure indications.

As an embodiment, the beam failure instance indication is indicated by the physical layer to the MAC layer.

As an embodiment, the first counter is BFI_COUNTER.

As an embodiment, the first counter is LBT_COUNTER.

As an embodiment, as a response to the behavior receiving the second signaling, the first timer is stopped, and the first timer is maintained at the MAC layer.

As an embodiment, as a response to the behavior receiving the second signaling, the first counter is cleared, and the first timer is stopped; the first counter is maintained at the MAC layer, and the first timer is maintained at the MAC layer. layers are maintained.

As an embodiment, the first timer includes lbt-FailureDetectionTimer.

As an embodiment, the first timer includes beamFailureDetectionTimer.

As an embodiment, the first timer is lbt-FailureDetectionTimer.

As an embodiment, the first timer is beamFailureDetectionTimer.

As an example, the dashed box F7.1 is optional.

As an example, the dotted box F7.1 exists.

As an example, the dotted box F7.1 does not exist.

As an example, the dashed box F7.2 is optional.

As an example, the dotted box F7.2 exists.

As an example, the dotted box F7.2 does not exist.

As an example, the dotted box F7.3 is optional.

As an example, the dotted box F7.3 exists.

As an example, the dotted box F7.3 does not exist.

As an embodiment, at least one of the dashed box F7.1, or the dashed box F7.2, or the dashed box F7.3 exists.

Example 8

Embodiment 8 illustrates a flow chart of wireless signal transmission according to another embodiment of the present application, as shown in FIG. 8 . It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.

For the first node U01 , in step S8101, the first signaling is received, and the first signaling indicates the target identity; in step S8102, the first PDCCH is monitored, and the first PDCCH is associated to the first downlink RS resource, the first downlink RS resource is associated with the first PCI; in step S8103, receive second signaling, the second signaling is used to indicate the second PCI; in step S8104, as the The behavior receives a response to the second signaling, monitors a second PDCCH and gives up monitoring the first PDCCH, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; In step S8105, the first counter is cleared as a response to the behavior receiving the second signaling; in step S8106, a first type of reference signal is received, and the first type of reference signal is associated with the second PCI , the measurement for the first type of reference signal is used to determine to update the first counter; in step S8107, the first counter reaches the first value; in step S8108, when the first counter reaches the first value , initiate a first random access procedure; in step S8109, send a first wireless signal as a response to the behavior initiating a first random access procedure, and the first wireless signal is associated with the first PCI; In step S8110, the first RAR is received; in step S8111, a second wireless signal is sent, and the second wireless signal includes the source identifier.

For the second node N02 , in step S8201, send the first signaling; in step S8202, send the second signaling; in step S8203, receive the first wireless signal; in step S8204, Send the first RAR; in step S8205, receive the second wireless signal.

For the fourth node N04 , in step S8401, send the first type of reference signal.

In Embodiment 8, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH uses the The target ID is scrambled; the source ID is different from the target ID; the source ID and the target ID are each an RNTI; the first counter is maintained at the MAC layer; the first value is a positive integer; The first type of reference signal is not related to the first PCI; the second wireless signal belongs to the first random access procedure; the second wireless signal is sent after the first wireless signal.

As an embodiment, the cell identified by the first PCI is the first cell; the cell identified by the second PCI is the second cell.

As an embodiment, the first counter is BFI_COUNTER.

As an embodiment, the phrase that the first type of reference signal is associated with the second PCI includes: the first type of reference signal is only for the cell identified by the second PCI.

As an embodiment, the phrase that the first type of reference signal is associated with the second PCI includes: the first type of reference signal is configured for the cell identified by the second PCI.

As an embodiment, the phrase that the reference signal of the first type is associated with the second PCI includes: the reference signal of the first type is sent by the base station maintaining the cell identified by the second PCI.

As an embodiment, the phrase that the first type of reference signal is associated with the second PCI includes: the first type of reference signal is dedicated to the cell identified by the second PCI.

As an embodiment, the first type of reference signal is used for beam measurement.

As an embodiment, the first type of reference signal is used for L1 measurement.

As an embodiment, the first type of reference signal beam failure detection (Beam Failure Detection, BFD).

As an embodiment, the first type of reference signal is a physical layer signal.

As an embodiment, the first type of reference signal is specific to a cell.

As an embodiment, the first type of reference signal is beam-specific.

As an embodiment, the first type of reference signal is a periodic signal.

As an embodiment, the first type of reference signal is dedicated to an antenna port.

As an embodiment, the reference signal of the first type is associated with one beam.

As an embodiment, the first type of reference signal is associated with a beam of the first cell.

As an embodiment, the first type of reference signal is associated with a beam of the second cell.

As an embodiment, the first type of reference signal includes SSB.

As an embodiment, the first type of reference signal includes CSI-RS.

As an embodiment, the phrase when the first counter reaches the first value includes: if the first counter reaches the first value.

As an embodiment, the phrase when the first counter reaches the first value includes: if the first counter is equal to the first value.

As an embodiment, the phrase when the first counter reaches the first value includes: if the first counter is greater than the first value.

As an embodiment, the phrase when the first counter reaches the first value includes: if the first counter is not less than the first value.

As an embodiment, the action of initiating a first random access procedure includes: triggering the first random access procedure.

As an embodiment, the action of initiating a first random access procedure includes: initiating the first random access procedure.

As an embodiment, the action of initiating the first random access procedure includes: starting to execute section 5.1.1 or section 5.1.1a of TS 38.321.

As an embodiment, the action of initiating the first random access procedure includes: starting to execute section 5.1.2 or section 5.1.2a of TS 38.321.

As an embodiment, the initiation refers to initiate.

As an embodiment, the first random access procedure refers to a random access procedure on the cell identified by the first PCI, and the cell identified by the first PCI is a PCell or a PSCell .

As an embodiment, the first random access procedure is used for BFR.

As an embodiment, the first random access procedure is used to fall back to the cell identified by the first PCI.

As an embodiment, the phrase as a response to the behavior initiating the first random access procedure includes: after the first random access procedure is triggered.

As an embodiment, the phrase as a response to the behavior initiating the first random access procedure includes: when the first random access procedure is executed.

As an embodiment, the phrase as a response to the behavior initiating the first random access procedure includes: in the process of executing the first random access procedure.

As an embodiment, the first wireless signal includes at least a random access preamble (Preamble).

As an embodiment, the first wireless signal is for a four-step random access procedure, and the first wireless signal only includes a random access preamble.

As an embodiment, the first wireless signal is for a two-step random access procedure, and the first wireless signal includes a random access preamble.

As an embodiment, the first radio signal is for a two-step random access process, and the first radio signal includes a random access preamble and PUSCH transmission.

As a sub-embodiment of this embodiment, the PUSCH transmission includes one MAC CE.

As a sub-embodiment of this embodiment, the PUSCH transmission includes one C-RNTI MAC CE.

As a subsidiary embodiment of this sub-embodiment, the PUSCH transmission includes the second radio signal.

As a subsidiary embodiment of this sub-embodiment, the PUSCH transmission is the second radio signal.

As a sub-embodiment of this embodiment, the first wireless signal is MSGA.

As an embodiment, the first value is configurable.

As an embodiment, the first value is preconfigured.

As an embodiment, the first value is configured through an RRC message.

As an embodiment, the first value is configured for the cell identified by the second PCI.

As an embodiment, the phrase that the first type of reference signal is not related to the first PCI includes: the first type of reference signal is not related to the cell identified by the first PCI.

As an embodiment, the phrase that the first type of reference signal is not related to the first PCI includes: any reference signal in the first type of reference signal is related to the cell identified by the first PCI Any reference signal for is different.

As an embodiment, the phrase that the first type of reference signal is not related to the first PCI includes: any reference signal in the first type of reference signal is not associated with the cell identified by the first PCI Any reference signal in .

As an embodiment, the second wireless signal includes MSG3.

As an embodiment, the second wireless signal includes a MAC PDU.

As an embodiment, the second wireless signal includes a MAC subheader.

As an embodiment, the second wireless signal includes a C-RNTI MAC CE.

As an embodiment, the second wireless signal is transmitted through a UL-SCH.

As an embodiment, the phrase that the second wireless signal includes the source identifier includes: the second wireless signal indicates the source identifier.

As an embodiment, the phrase that the second wireless signal includes the source identifier includes: a field in the second wireless signal indicates the source identifier.

As an embodiment, the phrase that the second wireless signal includes the source identifier includes: the second wireless signal is a C-RNTI MAC CE, and the C-RNTI field in the C-RNTI MAC CE indicates the Source ID.

As an embodiment, the phrase that the second wireless signal belongs to the first random access procedure includes: the second wireless signal is a signal in the first random access procedure.

As an embodiment, the phrase that the second wireless signal belongs to the first random access procedure includes: the second wireless signal is sent during the first random access procedure.

As an embodiment, the phrase that the second wireless signal belongs to the first random access procedure includes: the uplink resource used by the second wireless signal is determined by a RAR received in the first random access procedure instruct.

As an embodiment, the first RAR is a MAC RAR.

As an embodiment, the first RAR is a fallbackRAR.

As an embodiment, the first RAR is a successRAR.

As an embodiment, the first RAR is used to determine the UL grant of the second wireless signal.

As an example, the dashed box F8.1 is optional.

As an example, the dotted box F8.1 exists.

As an example, the dotted box F8.1 does not exist.

As an example, the dashed box F8.2 is optional.

As an example, the dotted box F8.2 exists.

As an example, the dotted box F8.2 does not exist.

As an example, the dashed box F8.3 is optional.

As an example, the dotted box F8.3 exists.

As an example, the dotted box F8.3 does not exist.

As an example, the dashed box F8.2 does not exist, and the dashed box F8.3 does not exist.

As a sub-embodiment of this embodiment, the first wireless signal is for a four-step random access procedure, and the first wireless signal only includes a random access preamble.

As a sub-embodiment of this embodiment, the first wireless signal is for a two-step random access procedure, and the first wireless signal includes a random access preamble.

As a sub-embodiment of this embodiment, the first RAR is not successfully received.

As a sub-embodiment of this embodiment, the first RAR is not sent.

As a sub-embodiment of this embodiment, the first wireless signal is not received by the second node N02.

As an example, the dashed box F8.2 exists, and the dashed box F8.3 exists.

As a sub-embodiment of this embodiment, the first wireless signal is for a four-step random access procedure, and the first wireless signal only includes a random access preamble.

As a sub-embodiment of this embodiment, the second wireless signal includes MSG3.

As an example, the dashed box F8.2 does not exist, and the dashed box F8.3 exists.

As a sub-embodiment of this embodiment, the first wireless signal is for a two-step random access procedure.

As a sub-embodiment of this embodiment, the first wireless signal includes a random access preamble and the second wireless signal.

As a sub-embodiment of this embodiment, the second wireless signal is a part of the first wireless signal.

Example 9

Embodiment 9 illustrates a schematic diagram in which the first secondary cell and the cell identified by the second PCI belong to different TAGs according to an embodiment of the present application, as shown in FIG. 9 .

In Embodiment 9, the first signaling is received, the first signaling indicates the target identity; the first PDCCH is monitored, the first PDCCH is associated with the first downlink RS resource, and the first downlink RS resource being associated to the first PCI; receiving second signaling, the second signaling being used to indicate the second PCI; in response to receiving the second signaling, monitoring the second PDCCH and giving up monitoring the first PDCCH, the second PDCCH is associated with a second downlink RS resource, and the second downlink RS resource is associated with the second PCI; as a response to receiving the second signaling in the behavior, the first secondary cell is regarded as It is in a deactivated state; wherein, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH is scrambled using the The target ID is scrambled; the source ID is different from the target ID; the source ID and the target ID are each an RNTI; the first auxiliary cell and the cell identified by the first PCI belong to the same A cell group: the first auxiliary cell and the cell identified by the second PCI belong to different TAGs.

As an embodiment, the uplink transmission timing (uplink transmission timing) of the first node in the first auxiliary cell is different from the uplink transmission timing of the first node in the cell associated with the target identifier.

As an embodiment, the first auxiliary cell and the cell associated with the target identifier belong to different TAGs.

As an embodiment, the first auxiliary cell and the cell associated with the target identifier are configured in different TAGs.

As an embodiment, when the first supplementary cell and the cell associated with the target identifier belong to different TAGs, the first supplementary cell is regarded as a deactivated state as a response to receiving the second signaling in the behavior.

As an embodiment, when the first auxiliary cell and the cell associated with the target identifier belong to the same TAG, the state of the first auxiliary cell is maintained as a response to receiving the second signaling in the action.

As a sub-embodiment of this embodiment, the behavior of maintaining the state of the first supplementary cell includes: the state of the first supplementary cell does not change.

As a sub-embodiment of this embodiment, the behavior of maintaining the state of the first supplementary cell includes: if the state of the first supplementary cell is an activated state just before the behavior receives the second signaling , the state of the first secondary cell is an activated state immediately after the act of receiving the second signaling.

As a sub-embodiment of this embodiment, the action of maintaining the state of the first supplementary cell includes: if the state of the first supplementary cell is deactivated just before the action receives the second signaling state, the state of the first secondary cell is a deactivated state immediately after the act of receiving the second signaling.

Example 10

Embodiment 10 illustrates a schematic diagram of a relationship between a second node and a fourth node according to an embodiment of the present application, as shown in FIG. 10 .

As an embodiment, the second node includes at least the first TRP1002.

As an example, the first TRP1002 belongs to the first DU1004.

As an embodiment, the first TRP 1002 is a part of the second node.

As an example, the first TRP 1002 belongs to the first cell 1006 .

As an embodiment, the second node includes the first DU1004.

As an embodiment, the first DU 1004 includes one CU.

As an embodiment, the first DU 1004 includes one DU.

As an embodiment, the first DU 1004 includes a part of the second node.

As an embodiment, the fourth node includes at least the second TRP1003.

As an example, the second TRP1003 belongs to the second DU1005.

As an embodiment, the second TRP 1003 is a part of the fourth node.

As an example, the second TRP 1003 belongs to the second cell 1007 .

As an embodiment, the fourth node includes the second DU1005.

As an embodiment, the second DU 1005 includes one CU.

As an embodiment, the second DU 1005 includes one DU.

As an embodiment, the second DU 1005 includes a part of the fourth node.

As an embodiment, the first DU 1004 and the second DU 1005 are the same DU.

As an embodiment, the first DU 1004 and the second DU 1005 are two different DUs.

As an example, the beam of the first TRP1002 and the beam of the second TRP1003 correspond to the same CORESET.

As an example, the beam of the first TRP1002 and the beam of the second TRP1003 correspond to different CORESETs.

As an embodiment, the first cell 1006 includes one or more beams in the second node.

As an embodiment, the first cell 1006 includes one or more beams of the first TRP 1002 .

As an embodiment, the first cell 1006 is associated with the second node.

As an embodiment, the base station maintaining the first cell 1006 is the second node.

As an embodiment, the first cell 1006 is the primary cell of the first node, and the second cell 1007 is a neighboring cell of the primary cell of the first node.

As an embodiment, the first cell 1006 is a physical cell.

As an embodiment, the first cell 1006 belongs to the serving cell of the first node 1001 , and the second cell 1007 does not belong to the serving cell of the first node 1001 .

As an embodiment, the first cell 1006 is the SpCell of the first node.

As an embodiment, the first downlink RS resource belongs to the first cell 1006 .

As an embodiment, the first downlink RS resource corresponds to at least one beam of the first TRP1002.

As an embodiment, the first downlink RS resource is associated with the first cell 1006 .

As an embodiment, the first PCI is used to identify the first cell 1006 .

As an embodiment, the second cell 1007 includes one or more beams in the fourth node.

As an embodiment, the second cell 1007 includes one or more beams of the second TRP 1003 .

As an embodiment, the second cell 1007 is associated with the fourth node.

As an embodiment, the maintenance base station of the second cell 1007 is the fourth node.

As an embodiment, the second cell 1007 is a physical cell.

As an example, when the second cell 1007 is configured, the first node 1001 maintains an RRC connection with the first cell 1006; when the second cell 1007 is deployed, the service of the first node 1001 The cell ID remains unchanged.

As an embodiment, the second downlink RS resource belongs to the second cell 1007 .

As an embodiment, the second downlink RS resource corresponds to at least one beam of the second TRP1003.

As an embodiment, the second downlink RS resource is associated with the second cell 1007 .

As an embodiment, the second PCI is used to identify the second cell 1007 .

As an embodiment, the first cell 1006 and the second cell 1007 have the same frequency.

As an embodiment, the first cell 1006 and the second cell 1007 have different frequencies.

As an embodiment, the cell identified by the first PCI is the first cell 1006; the cell identified by the second PCI is the second cell 1007.

As an embodiment, the cell identified by the first PCI is the second cell 1007 ; and the cell identified by the second PCI is the first cell 1006 .

As an embodiment, the first cell 1006 includes a serving cell of the first node 1001 , and the second cell 1007 includes a non-serving cell of the first node 1001 .

As an embodiment, the first cell 1006 includes a serving cell of the first node 1001 , and the second cell 1007 includes a neighboring cell of the first cell 1006 .

As an embodiment, there is an RRC connection between the first node 1001 and the first cell 1006, and there is no RRC connection between the first node 1001 and the second cell 1007.

As an embodiment, the first PDCCH is sent by the base station maintaining the second cell 1007 ; the second PDCCH is sent by the base station maintaining the first cell 1006 .

As an embodiment, the first PDCCH is sent by the second TRP1003; the second PDCCH is sent by the first TRP1002.

As an embodiment, the first PDCCH is sent by the base station maintaining the first cell 1006 ; the second PDCCH is sent by the base station maintaining the second cell 1007 .

As an embodiment, the first PDCCH is sent by the first TRP1002; the second PDCCH is sent by the second TRP1003.

As an embodiment, the arrow 1008 represents at least one of BCCH, or a paging (paging) signal, or system information.

As an embodiment, the arrow 1009 represents at least one of PUSCH, PDSCH or PDCCH.

As an embodiment, the arrow 1010 represents at least one of PUSCH, PDSCH or PDCCH.

As one example, one of arrow 1009 and arrow 1010 exists.

As an example, arrow 1009 and arrow 1010 do not exist at the same time.

As an embodiment, the arrow 1009 includes the first PDCCH, and the arrow 1010 includes the second PDCCH.

As an embodiment, arrow 1009 includes the first uplink grant, and arrow 1010 includes the second uplink grant.

As an embodiment, the arrow 1009 includes the second PDCCH, and the arrow 1010 includes the first PDCCH.

As an embodiment, arrow 1009 includes the second uplink grant, and arrow 1010 includes the first uplink grant.

As an embodiment, the first node 1001 determines physical resources between the first cell 1006 and the second cell 1007 through the second signaling.

As an embodiment, when the first node 1001 moves between the first cell 1006 and the second cell 1007, the serving cell of the first node 1001 remains unchanged.

As a sub-embodiment of this embodiment, the phrase that the serving cell of the first node 1001 remains unchanged includes: the RRC layer of the first node 1001, or the PDCP layer, or the RLC layer, or the MAC layer, or A protocol stack (protocol stack) of at least one of the PHY layers does not require relocation.

As a sub-embodiment of this embodiment, the phrase that the serving cell of the first node 1001 remains unchanged includes: the RRC connection of the first node 1001 remains unchanged.

As a sub-embodiment of this embodiment, the phrase that the serving cell of the first node 1001 remains unchanged includes: the identity of the serving cell of the first node 1001 remains unchanged.

As a sub-embodiment of this embodiment, the phrase that the serving cell of the first node 1001 remains unchanged includes: all or part of the configuration in the ServingCellConfigCommon configuration of the first node 1001 remains unchanged.

As a sub-embodiment of this embodiment, the phrase that the serving cell of the first node 1001 remains unchanged includes: all or part of the configuration in the ServingCellConfigCommonSIB configuration of the first node 1001 remains unchanged.

As an embodiment, the serving cell refers to a PCell or a PSCell or an SCell.

As a sub-embodiment of this embodiment, the PCell refers to a cell working on a primary frequency, and the first node 1001 executes an initial connection establishment process or initiates a connection re-establishment process on the PCell.

As a sub-embodiment of this embodiment, the PSCell refers to the first node 1001 configured with dual connectivity operation, and the first node 1001 performs random access when performing a synchronous reconfiguration process Process the SCG cell.

As a sub-embodiment of this embodiment, the SCell refers to a cell that provides additional radio resources on the SpCell for the first node 1001 configured with CA.

As an embodiment, the serving cell includes the first cell 1006 .

As an embodiment, the second cell 1007 provides additional physical resources on top of the serving cell.

As an embodiment, the first node 1001 does not have an independent MAC entity for the second cell 1007 .

As an embodiment, the first node 1001 does not have an independent MAC process for the second cell 1007 .

As an embodiment, the MAC entity of the first node 1001 does not have an independent HARQ entity for the second cell 1007 .

As an embodiment, the MAC entity of the first node 1001 includes one HARQ entity for the first cell 1006 and the second cell 1007 .

As an embodiment, the MAC entity of the first node 1001 shares the same HARQ entity for the first cell 1006 and the second cell 1007 .

As an embodiment, the first cell 1006 and the second cell 1007 are associated with the same HARQ entity.

Example 11

Embodiment 11 illustrates a structural block diagram of a processing device used in a first node according to an embodiment of the present application; as shown in FIG. 11 . In FIG. 11 , the processing device 1100 in the first node includes a first receiver 1101 and a first transmitter 1102 .

The first receiver 1101 receives first signaling, where the first signaling indicates a target identifier; monitors a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first downlink RS resource being associated to the first PCI; receiving second signaling, the second signaling being used to indicate the second PCI; in response to receiving the second signaling, monitoring the second PDCCH and giving up monitoring the first PDCCH, the second PDCCH is associated to a second downlink RS resource, and the second downlink RS resource is associated to the second PCI;

In Embodiment 11, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH uses the target ID scrambling; the source ID is different from the target ID; the source ID and the target ID are each an RNTI.

As an embodiment, the first receiver 1101 regards the first supplementary cell as a deactivated state as a response to receiving the second signaling in the behavior; wherein, the first supplementary cell and the first supplementary cell are The cells identified by the PCI belong to the same cell group.

As an embodiment, the first secondary cell and the cell identified by the second PCI belong to different TAGs.

As an embodiment, the first receiver 1101 sets the C-RNTI as the target identifier as a response to the behavior receiving the second signaling.

As an embodiment, the first receiver 1101 receives a first uplink grant and a second uplink grant, the first uplink grant is associated with the source identifier, and the second uplink grant is associated with the target identifier; As a response to receiving the first uplink grant and the second uplink grant in the behavior, it is considered that the first NDI has been reversed; wherein, the first uplink grant and the second uplink grant are associated with the same HARQ process; the first The receiving moment of the uplink grant is earlier than the receiving moment of the second uplink grant.

As an embodiment, the first receiver 1101, as a response to receiving the second signaling for the action, clears the first counter; the first counter is maintained at the MAC layer.

As an embodiment, the first receiver 1101 receives a first type of reference signal, the first type of reference signal is associated with the second PCI, and the measurement of the first type of reference signal is used to determine the updated The first counter; the first transmitter 1102, when the first counter reaches a first value, initiates a first random access procedure; as a response to the behavior initiating the first random access procedure, transmits the first wireless Signal, the first wireless signal is associated with the first PCI; wherein, the first value is a positive integer; the first type of reference signal is not related to the first PCI.

As an embodiment, the first transmitter 1102 transmits a second wireless signal, where the second wireless signal includes the source identifier; wherein, the second wireless signal belongs to the first random access procedure; the The second wireless signal is sent after the first wireless signal.

As an embodiment, the first receiver 1101 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data Source 467.

As an embodiment, the first receiver 1101 includes the antenna 452, the receiver 454, the multi-antenna receiving processor 458, and the receiving processor 456 in FIG. 4 of this application.

As an embodiment, the first receiver 1101 includes the antenna 452 , the receiver 454 , and the receiving processor 456 shown in FIG. 4 of this application.

As an embodiment, the first transmitter 1102 includes the antenna 452 in the accompanying drawing 4 of the present application, the transmitter 454, the multi-antenna transmission processor 457, the transmission processor 468, the controller/processor 459, the memory 460 and the data Source 467.

As an embodiment, the first transmitter 1102 includes the antenna 452, the transmitter 454, the multi-antenna transmission processor 457, and the transmission processor 468 in FIG. 4 of this application.

As an embodiment, the first transmitter 1102 includes the antenna 452, the transmitter 454, and the transmitting processor 468 shown in FIG. 4 of this application.

Example 12

Embodiment 12 illustrates a structural block diagram of a processing device used in a second node according to an embodiment of the present application; as shown in FIG. 12 . In FIG. 12 , the processing device 1200 in the second node includes a second transmitter 1201 and a second receiver 1202 .

The second transmitter 1201 sends first signaling, where the first signaling indicates a target identifier; sends a first PDCCH, where the first PDCCH is associated with a first downlink RS resource, and the first downlink RS resource being associated to the first PCI; sending second signaling, the second signaling being used to indicate the second PCI;

In Embodiment 12, as a response to receiving the second signaling, the second PDCCH is monitored and the first PDCCH is abandoned for monitoring, the second PDCCH is associated with the second downlink RS resource, and the second PDCCH is associated with the second downlink RS resource. The downlink RS resource is associated to the second PCI; the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the The second PDCCH is scrambled by using the target identifier; the source identifier is different from the target identifier; the source identifier and the target identifier are respectively an RNTI.

As an embodiment, the second PDCCH is sent by the base station maintaining the cell identified by the second PCI.

As an embodiment, as a response to receiving the second signaling, the first supplementary cell is considered to be in a deactivated state; wherein, the first supplementary cell and the cell identified by the first PCI belong to the same cell Group.

As an embodiment, the first secondary cell and the cell identified by the second PCI belong to different TAGs.

As an embodiment, as a response to receiving the second signaling, C-RNTI is set as the target identifier.

As an embodiment, the C-RNTI is set as the target identifier in the MAC entity of the recipient of the second signaling.

As an embodiment, the second transmitter 1201 sends a first uplink grant, and the first uplink grant is associated with the source identifier; wherein, as a response to receiving the first uplink grant and the second uplink grant , the first NDI is considered to have been reversed; the second uplink grant is associated with the target identifier; the first uplink grant and the second uplink grant are associated with the same HARQ process; the reception of the first uplink grant The time is earlier than the receiving time of the second uplink grant.

As an embodiment, the receiver of the second signaling considers that the first NDI has been reversed.

As an embodiment, as a response to receiving the second signaling, the first counter is cleared; the first counter is maintained at the MAC layer.

As an embodiment, the first counter is cleared by the MAC entity of the recipient of the second signaling.

As an embodiment, the second receiver 1202 receives a first wireless signal, and the first wireless signal is associated with the first PCI; wherein, a first type of reference signal is received, and the first type of reference signal is associated with For the second PCI, the measurement for the first type of reference signal is used to determine to update the first counter; when the first counter reaches a first value, a first random access procedure is initiated; as the In response to the initiation of the first random access procedure, the first wireless signal is sent; the first value is a positive integer; and the first type of reference signal is not related to the first PCI.

As an embodiment, the first type of reference signal is received by a receiver of the second signaling.

As an embodiment, the first random access procedure is sent by a receiver of the second signaling.

As an embodiment, the first wireless signal is sent by a receiver of the second signaling.

As an embodiment, the second receiver 1202 receives a second wireless signal, where the second wireless signal includes the source identifier; wherein, the second wireless signal belongs to the first random access procedure; The second wireless signal is sent after the first wireless signal.

As an embodiment, the second transmitter 1201 includes the antenna 420 , the transmitter 418 , the multi-antenna transmission processor 471 , the transmission processor 416 , the controller/processor 475 , and the memory 476 shown in FIG. 4 of the present application.

As an embodiment, the second transmitter 1201 includes the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, and the transmission processor 416 shown in FIG. 4 of this application.

As an embodiment, the second transmitter 1201 includes the antenna 420, the transmitter 418, and the transmitting processor 416 shown in FIG. 4 of this application.

As an embodiment, the second receiver 1202 includes the antenna 420 , the receiver 418 , the multi-antenna receiving processor 472 , the receiving processor 470 , the controller/processor 475 , and the memory 476 shown in FIG. 4 of the present application.

As an embodiment, the second receiver 1202 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, and the receiving processor 470 in FIG. 4 of this application.

As an embodiment, the second receiver 1202 includes the antenna 420 , the receiver 418 , and the receiving processor 470 shown in FIG. 4 of this application.

Example 13

Embodiment 13 illustrates a wireless signal transmission flow chart in which receiving the first uplink grant and the second uplink grant is used to determine that the first NDI is not inverted according to an embodiment of the present application, as shown in FIG. 13 . It is particularly noted that the sequence in this example does not limit the signal transmission sequence and implementation sequence in this application.

For the first node U01 , in step S13101, the first signaling is received, and the first signaling indicates the target identity; in step S13102, the first uplink grant is received, and the first uplink grant is associated with the source identity ; In step S13103, monitor the first PDCCH, the first PDCCH is associated with the first downlink RS resource, and the first downlink RS resource is associated with the first PCI; In step S13104, receive the second signal command, the second signaling is used to indicate the second PCI; in step S13105, as a response to receiving the second signaling, monitor the second PDCCH and give up monitoring the first PDCCH, the second PDCCH is Associated with a second downlink RS resource, the second downlink RS resource is associated with the second PCI; in step S13106, a second uplink grant is received, and the second uplink grant is associated with the target identifier; in step In S13107, as a response to receiving the first uplink grant and the second uplink grant in the above behavior, consider that the first NDI is not inverted.

For the second node N02 , in step S13201, send the first uplink grant; in step S13202, send the second signaling.

For the fourth node N04 , in step S13401, send the second uplink grant.

In embodiment 13, the first signaling includes an RRC message; the second signaling includes signaling under the RRC layer; the first PDCCH is scrambled using a source identifier; the second PDCCH uses the The target ID is scrambled; the source ID is different from the target ID; the source ID and the target ID are respectively an RNTI; the first uplink grant and the second uplink grant are associated with the same HARQ process; The receiving moment of the first uplink grant is earlier than the receiving moment of the second uplink grant.

As an embodiment, the action "receives the first uplink grant and the second uplink grant as a response to the action, and considers that the first NDI has not been inverted" means: regardless of the HARQ information associated with the first uplink grant Whether the value of the first NDI is different from the value of the first NDI provided in the HARQ information associated with the second uplink grant, it is considered that the first NDI is not inverted.

As an embodiment, the behavior of "receiving the response of the first uplink grant and the second uplink grant as the behavior, considering that the first NDI is not inverted" means: receiving the first uplink grant and the second uplink grant as the behavior In response to the grant, it is considered that the second uplink grant is used for retransmission.

As an embodiment, the behavior of "receiving the second uplink grant as a response to the behavior, considering that the first NDI is not inverted" includes: if the second uplink grant is received on the PDCCH for the target identifier of the MAC entity , and if the second uplink grant is for the target identity of the MAC entity, and if the previous uplink grant of the same HARQ process delivered to the HARQ entity was an uplink grant for the source identity of the MAC entity, regardless of the value of NDI It is considered that the NDI of the corresponding HARQ process has not been flipped.

As an embodiment, the behavior considering that the first NDI has not been toggled includes: consider the first NDI not to have been toggled.

As an embodiment, the behavior of considering that the first NDI has not been reversed includes: considering that the value of the first NDI has not changed.

Those skilled in the art can understand that all or part of the steps in the above method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk or an optical disk. Optionally, all or part of the steps in the foregoing embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above-mentioned embodiments may be implemented in the form of hardware, or may be implemented in the form of software function modules, and the present application is not limited to any specific combination of software and hardware. The user equipment, terminal and UE in this application include but are not limited to drones, communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablet computers, notebooks, vehicle communication equipment, wireless sensors, network cards, Internet of things terminal, RFID terminal, NB-IOT terminal, MTC (Machine Type Communication, machine type communication) terminal, eMTC (enhanced MTC, enhanced MTC) terminal, data card, network card, vehicle communication equipment, low-cost mobile phone, low-cost cost tablet PCs and other wireless communication devices. The base station or system equipment in this application includes but not limited to macrocell base station, microcell base station, home base station, relay base station, gNB (NR Node B) NR Node B, TRP (Transmitter Receiver Point, sending and receiving node) and other wireless communication equipment.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (11)

1. A first node configured for wireless communication, comprising:

a first receiver for receiving a first signaling, wherein the first signaling indicates a target identifier; monitoring a first PDCCH, the first PDCCH being associated to a first downlink RS resource, the first downlink RS resource being associated to a first PCI; receiving second signaling, the second signaling being used to indicate a second PCI; in response to receiving a second signaling in response to the behavior, monitor a second PDCCH associated with a second downlink RS resource associated with the second PCI and forgo monitoring the first PDCCH;

wherein the first signaling comprises an RRC message; the second signaling comprises signaling below an RRC layer; the first PDCCH is scrambled using a source identity; the second PDCCH is scrambled using the target identity; the source identification and the target identification are different; the source identifier and the target identifier are respectively an RNTI.

2. The first node of claim 1, comprising:

the first receiver, in response to the act receiving the second signaling, treats the first secondary cell as a deactivated state;

wherein the first secondary cell and the cell identified by the first PCI belong to the same cell group.

3. The first node of claim 2, wherein the first secondary cell and the cell identified by the second PCI belong to different TAGs.

4. The first node according to any of claims 1 to 3, comprising:

the first receiver, as a response to the behavior receiving the second signaling, sets the C-RNTI as the target identifier.

5. The first node according to any of claims 1 to 4, comprising:

the first receiver receives a first uplink grant and a second uplink grant, wherein the first uplink grant is associated with the source identifier, and the second uplink grant is associated with the target identifier; in response to receiving the first uplink grant and the second uplink grant as the behavior, consider that the first NDI has flipped;

wherein the first uplink grant and the second uplink grant are associated to the same HARQ process; and the receiving time of the first uplink grant is earlier than the receiving time of the second uplink grant.

6. The first node according to any of claims 1 to 4, comprising:

the first receiver, as a response to the behavior receiving the second signaling, clears the first counter; the first counter is maintained at the MAC layer.

7. The first node of claim 6, comprising:

the first receiver receives a first type of reference signal, the first type of reference signal being associated with the second PCI, a measurement for the first type of reference signal being used to determine to update the first counter;

a first transmitter for initiating a first random access procedure when the first counter reaches a first value; sending a first wireless signal in response to the behavior initiating a first random access procedure, the first wireless signal associated with the first PCI;

wherein the first numerical value is a positive integer; the first type of reference signal is independent of the first PCI.

8. The first node of claim 7, comprising:

the first transmitter transmits a second wireless signal, wherein the second wireless signal comprises the source identifier;

wherein the second wireless signal belongs to the first random access procedure; the second wireless signal is transmitted after the first wireless signal.

9. A second node configured for wireless communication, comprising:

a second transmitter for transmitting a first signaling, the first signaling indicating a target identifier; transmitting a first PDCCH associated to a first downlink RS resource associated to a first PCI; sending second signaling, the second signaling being used to indicate a second PCI;

wherein, in response to the second signaling being received, a second PDCCH is monitored and the first PDCCH is relinquished to be monitored, the second PDCCH being associated to a second downlink RS resource, the second downlink RS resource being associated to the second PCI; the first signaling comprises an RRC message; the second signaling comprises signaling below an RRC layer; the first PDCCH is scrambled using a source identity; scrambling the second PDCCH using the target identity; the source identification and the target identification are different; the source identifier and the target identifier are respectively an RNTI.

10. A method in a first node used for wireless communication, comprising:

receiving a first signaling, wherein the first signaling indicates a target identifier;

monitoring a first PDCCH, the first PDCCH being associated to a first downlink RS resource, the first downlink RS resource being associated to a first PCI;

receiving second signaling, the second signaling being used to indicate a second PCI;

in response to receiving a second signaling for the behavior, monitor a second PDCCH associated with a second downlink RS resource associated with the second PCI and forgo monitoring the first PDCCH;

wherein the first signaling comprises an RRC message; the second signaling comprises signaling below an RRC layer; the first PDCCH is scrambled using a source identity; scrambling the second PDCCH using the target identity; the source identification and the target identification are different; the source identifier and the target identifier are respectively an RNTI.

11. A method in a second node used for wireless communication, comprising:

sending a first signaling, wherein the first signaling indicates a target identifier;

transmitting a first PDCCH associated to a first downlink RS resource associated to a first PCI;

sending second signaling, the second signaling being used to indicate a second PCI;

wherein, in response to the second signaling being received, a second PDCCH is monitored and the first PDCCH is relinquished to be monitored, the second PDCCH being associated to a second downlink RS resource, the second downlink RS resource being associated to the second PCI; the first signaling comprises an RRC message; the second signaling comprises signaling below an RRC layer; the first PDCCH is scrambled using a source identity; scrambling the second PDCCH using the target identity; the source identification and the target identification are different; the source identifier and the target identifier are respectively an RNTI.

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