CN110012540A - Method and device used in user equipment and base station for wireless communication - Google Patents

Abstract

The application discloses a method and a device in a user equipment, a base station and the like used for wireless communication. The method comprises the steps that user equipment firstly receives first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information; then determining Q1 first class time frequency resource pools from the Q first class time frequency resource pools, and monitoring second signaling only in the Q1 first class time frequency resource pools from the Q first class time frequency resource pools; and operating the first wireless signal in the target time frequency resource; and any two first-class time frequency resource pools in the Q first-class time frequency resource pools are orthogonal in a time domain. According to the method and the device, the Q first-class time-frequency resource pools are designed, the sending opportunity of the downlink control information is increased under the unauthorized spectrum scene, the scheduled opportunity of the user equipment is increased, and the overall performance of the system is improved.

Description

A kind of user equipment used for wireless communication, method and apparatus in base station

technical field

The present application relates to a transmission method and device in a wireless communication system, and in particular, to a method and device for transmission of uplink and downlink control information in an unlicensed spectrum (Unlicensed Spectrum).

Background technique

In the traditional 3GPP (3rd Generation Partner Project, 3rd Generation Partner Project) LTE (Long-term Evolution, long-term evolution) system, data transmission can only occur on the licensed spectrum, but with the sharp increase in traffic, especially In some urban areas, licensed spectrum may be difficult to meet traffic demands. Communication on unlicensed spectrum in Release 13 and Release 14 was introduced by cellular systems and used for downlink and uplink data transmission. In order to ensure compatibility with other access technologies on unlicensed spectrum, LBT (Listen Before Talk) technology is adopted by LAA (Licensed Assisted Access, Licensed Spectrum Assisted Access) to avoid multiple transmitters occupying the same space at the same time. interference caused by the frequency resources. In Release 13 and Release 14, the base station on the unlicensed spectrum indicates whether the subsequent time domain resources of the user equipment are scrambled by sending CC-RNTI (Common Control Radio Network Temporary Identifier, Common Control Radio Network Temporary Identifier) scrambled control signaling. Base station occupied.

At present, the technical discussion of 5G NR (New Radio Access Technology, New Radio Access Technology) is underway. One of the important features is the unlicensed spectrum service of SA (Stand-Alone, which is independently deployed). There is no license in the SA scenario. The way that the spectrum sends downlink control signaling, and at the same time, due to the uncertainty of the LBT result, the transmission opportunity of downlink control signaling will be significantly reduced.

SUMMARY OF THE INVENTION

A simple implementation for the above problem is to still use the CORESET (Control Resource Set, Control Resource Set) design in 5G NR Phase 1, and the base station will only send downlink control information on the CORESET passed by the LBT. However, due to the uncertainty of LBT, the above method will lead to fewer CORESETs that can actually be used for downlink control information transmission, and thus the scheduling opportunities on the unlicensed spectrum will be reduced.

In view of the above problems, the present application discloses a solution. In the case of no conflict, the embodiments in the user equipment of the present application and the features in the embodiments may be applied to the base station, and vice versa. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily, provided that there is no conflict.

The present application discloses a method used in a user equipment for wireless communication, which is characterized by comprising:

receiving first signaling, where the first signaling is used to indicate Q first-type time-frequency resource pools, where the Q first-type time-frequency resource pools are reserved for downlink control information;

Q1 first-type time-frequency resource pools are determined from the Q first-type time-frequency resource pools, and only the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools In monitoring the second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

operating the first wireless signal in the target time-frequency resource;

Wherein, the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; Either the operation is receiving or the operation is sending.

As an embodiment, the advantages of the above method are: the Q first-type time-frequency resource pools are reserved for downlink control information, and any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools The time-frequency resource pools are orthogonal in the time domain; the base station can transmit downlink control information in the Q first-type time-frequency resource pools, which improves the opportunity for the transmission of uplink and downlink control information in the unlicensed spectrum, thereby improving the scheduling efficiency. possibility.

As an embodiment, another advantage of the above method is that: the Q1 first type time-frequency resource pools correspond to the time-frequency resources confirmed by the base station as idle through LBT to ensure that the transmission of downlink control information complies with the requirements of local regulations.

According to one aspect of the present application, the above method is characterized by comprising:

receiving Q1 third signalings, where the Q1 third signalings are in one-to-one correspondence with the Q1 first-type time-frequency resource pools;

The Q1 third signalings are respectively used to determine that the Q1 first type time-frequency resource pools are occupied.

As an embodiment, another advantage of the above method is that: the Q1 first-type time-frequency resource pools are indicated through the Q1 third signaling, which reduces the complexity of blind detection by the user equipment and reduces the number of user equipment of power consumption.

According to one aspect of the present application, the above method is characterized by comprising:

Perform channel detection in K candidate time units respectively;

Wherein, the operation is sending, and the K candidate time units correspond to K candidate time-frequency resources respectively; the channel detection performed by the user equipment in the target candidate time unit determines that the target time-frequency resource is idle; The target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the advantage of the above method is that: K candidate time-frequency resources are configured for the user equipment to ensure uplink transmission of the first wireless signal, and the user equipment selects the time-frequency resources from the K candidates according to the LBT result. The target time-frequency resource for sending the first radio signal is selected from the resources, so as to avoid that the scheduled uplink data is not sent because the LBT on the user equipment side fails to pass, and improve the chance of uplink transmission.

According to an aspect of the present application, the above method is characterized in that the user equipment monitors the second signaling in the Q1 first-type time-frequency resource pools, and the user equipment monitors the second signaling in the Q1 first-type time-frequency resource pools. Stop monitoring the downlink control information in the first-type time-frequency resource pool other than the Q1 first-type time-frequency resource pools.

As an embodiment, the advantages of the above method are: when the user equipment monitors the downlink control information, the user equipment stops blind detection of the first radio signal; the above method reduces the complexity of the user equipment , to improve battery life.

The present application discloses a method used in a base station for wireless communication, which is characterized by comprising:

sending first signaling, where the first signaling is used to indicate Q first-type time-frequency resource pools, and the Q first-type time-frequency resource pools are reserved for downlink control information;

Q1 first-type time-frequency resource pools are determined from the Q first-type time-frequency resource pools, and only the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools one of sending the second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

executing the first wireless signal in the target time-frequency resource;

Wherein, the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; The execution is sending, or the execution is receiving.

According to one aspect of the present application, the above method is characterized by comprising:

Sending Q1 third signalings, where the Q1 third signalings are in one-to-one correspondence with the Q1 first-type time-frequency resource pools;

The Q1 third signalings are respectively used to determine that the Q1 first type time-frequency resource pools are occupied.

According to one aspect of the present application, the above method is characterized by comprising:

Perform channel detection in Q target time units respectively;

The Q target time units respectively correspond to the Q first-type time-frequency resource pools; channel detection in the Q target time-units is used to determine the Q first-type time-frequency resources The Q1 first type time-frequency resource pools in the pool are idle.

As an embodiment, the advantage of the above method is that the base station only sends the second signaling in the Q1 first-type time-frequency resource pools passed by the LBT, so as to ensure compliance with the requirements of local regulations.

According to one aspect of the present application, the above method is characterized by comprising:

respectively monitoring the first wireless signal in the K candidate time-frequency resources;

The execution is receiving, and the K candidate time-frequency resources correspond to K candidate time units respectively; the channel detection performed by the sender of the first wireless signal in the target candidate time unit determines the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource among the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the characteristic of the above method is that the base station monitors the first wireless signal in the K candidate time-frequency resources, which increases the complexity of the base station side, but improves the opportunity of uplink transmission and avoids scheduling caused by LBT. The data is not transmitted in the end.

According to an aspect of the present application, the above method is characterized in that the receiver of the first signaling includes a first terminal, and the first terminal monitors the first type of time-frequency resource pool in the Q1 time-frequency resource pools. Second signaling, the first terminal stops monitoring the downlink in the Q first-type time-frequency resource pools and in the first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools control information.

The present application discloses a user equipment used for wireless communication, which is characterized by comprising:

a first receiver module, receiving first signaling, where the first signaling is used to indicate Q first-type time-frequency resource pools, and the Q first-type time-frequency resource pools are reserved for downlink control information ;

The second receiver module determines Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools The second signaling is monitored in a type of time-frequency resource pool, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

a first transceiver module, which operates the first wireless signal in the target time-frequency resource;

Wherein, the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; Either the operation is receiving or the operation is sending.

As an embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the second receiver module receives Q1 third signalings, and the Q1 third signalings are the same as the Q1 first type time signals. The frequency resource pools are in one-to-one correspondence; the Q1 third signalings are respectively used to determine that the Q1 first type time-frequency resource pools are occupied.

As an embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the first transceiver module performs channel detection in K candidate time units respectively; the operation is to transmit, the K candidate time units Corresponding to K candidate time-frequency resources respectively; the channel detection performed by the user equipment in the target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is the same as the K candidate time unit. The candidate time unit corresponding to the target time-frequency resource; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the user equipment monitors the second signaling in the Q1 first-type time-frequency resource pools, and the user equipment is in the Stop monitoring the downlink control information in the Q first-type time-frequency resource pools and in the first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools.

The present application discloses a base station device used for wireless communication, which is characterized by comprising:

A first transmitter module, sending first signaling, where the first signaling is used to indicate Q first-type time-frequency resource pools, and the Q first-type time-frequency resource pools are reserved for downlink control information ;

The second transceiver module determines Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools One of a type of time-frequency resource pools sends the second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

a third transceiver module that executes the first wireless signal in the target time-frequency resource;

Wherein, the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; The execution is sending, or the execution is receiving.

As an embodiment, the above-mentioned base station equipment used for wireless communication is characterized in that the second transceiver module sends Q1 third signalings, and the Q1 third signalings are the same as the Q1 first type time signals. The frequency resource pools are in one-to-one correspondence; the Q1 third signalings are respectively used to determine that the Q1 first type time-frequency resource pools are occupied.

As an embodiment, the above-mentioned base station equipment used for wireless communication is characterized in that the second transceiver module performs channel detection in Q target time units respectively; the Q target time units are respectively associated with the Q target time units. Corresponding to the first type of time-frequency resource pools; channel detection in the Q target time units is used to determine whether the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools are free.

As an embodiment, the above-mentioned base station equipment used for wireless communication is characterized in that the third transceiver module monitors the first wireless signal in K candidate time-frequency resources respectively; the execution is receiving, and the K The candidate time-frequency resources respectively correspond to K candidate time units; the channel detection performed by the sender of the first wireless signal in the target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is the target candidate time unit. a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the above-mentioned base station device used for wireless communication is characterized in that the receiver of the first signaling includes a first terminal, and the first terminal is in the Q1 first-type time-frequency resource pools Monitoring the second signaling, the first terminal is in the Q first-type time-frequency resource pools and in the first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools Stop monitoring the downlink control information.

As an embodiment, compared with the traditional solution, the present application has the following advantages:

The Q first-type time-frequency resource pools are reserved for downlink control information, and any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain ; the base station can transmit downlink control information in the Q first-type time-frequency resource pools, which improves the opportunity of unlicensed spectrum uplink and downlink control information transmission, thereby improving the possibility of scheduling; and the Q1 first-type time-frequency resource pools The time-frequency resource pool corresponds to the time-frequency resources that the base station confirms as idle through LBT to ensure that the transmission of downlink control information meets the requirements of local regulations.

K candidate time-frequency resources are configured for the user equipment to ensure uplink transmission of the first wireless signal, and the user equipment selects and sends the first wireless signal from the K candidate time-frequency resources according to the LBT result The target time-frequency resource can avoid that the scheduled uplink data is not sent because the LBT on the user equipment side does not pass, and the opportunity of uplink transmission is improved.

When the user equipment monitors the downlink control information, the user equipment stops blind detection of the first wireless signal; the above-mentioned method reduces the complexity of the user equipment and improves battery life.

Description of drawings

Other features, 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 first signaling 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;

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

FIG. 4 shows a schematic diagram of an evolved node and a UE according to an embodiment of the present application;

FIG. 5 shows a flowchart of a first wireless signal according to an embodiment of the present application;

FIG. 6 shows a flowchart of a first wireless signal according to another embodiment of the present application;

FIG. 7 shows a schematic diagram of Q first-type time-frequency resource pools according to an embodiment of the present application;

FIG. 8 shows a schematic diagram of K candidate time-frequency resources according to an embodiment of the present application;

FIG. 9 shows a schematic diagram of K candidate time-frequency resources according to another embodiment of the present application;

10 is a schematic diagram showing the relationship between Q1 first-type time-frequency resource pools and the K candidate time-frequency resources according to an embodiment of the present application;

11 shows a schematic diagram of a given target time unit, a given time window, and a given first-type time-frequency resource pool according to an embodiment of the present application;

FIG. 12 shows a structural block diagram of a processing apparatus used in a user equipment according to an embodiment of the present application;

FIG. 13 shows a structural block diagram of a processing apparatus used in a base station according to an embodiment of the present application.

Detailed ways

The technical solutions of the present application will be described in further detail below with reference to the accompanying drawings. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other arbitrarily without conflict.

Example 1

Embodiment 1 illustrates a flowchart of the first signaling, as shown in FIG. 1 .

In Embodiment 1, the user equipment in this application first receives the first signaling, and the first signaling is used to indicate Q first type time-frequency resource pools, the Q first type time-frequency resource pools The resource pool is reserved for downlink control information; secondly, Q1 first-type time-frequency resource pools are determined from the Q first-type time-frequency resource pools, and only the Q first-type time-frequency resource pools in the Q first-type time-frequency resource pools are determined. The second signaling is monitored in the Q1 first-type time-frequency resource pools, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q; then operate the first signal in the target time-frequency resource wireless signal; the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain ; the operation is receive or the operation is send.

As a sub-embodiment, that the second signaling is used to determine the target time-frequency resource means: the second signaling explicitly (Explicitly) indicates the target time-frequency resource.

As a sub-embodiment, that the second signaling is used to determine the target time-frequency resource means: the second signaling implicitly indicates the target time-frequency resource.

As a sub-embodiment, that the second signaling is used to determine the target time-frequency resource means that the second signaling directly indicates the target time-frequency resource.

As a sub-embodiment, that the second signaling is used to determine the target time-frequency resource means that the second signaling indirectly indicates the target time-frequency resource.

As a sub-embodiment, that the first signaling is used to indicate the Q first-type time-frequency resource pools means: the first signaling explicitly indicates the Q first-type time-frequency resource pools .

As a sub-embodiment, the fact that the first signaling is used to indicate the Q first-type time-frequency resource pools means: the first signaling implicitly indicates the Q first-type time-frequency resource pools .

As a sub-embodiment, the fact that the first signaling is used to indicate the Q first-type time-frequency resource pools means that the first signaling directly indicates the Q first-type time-frequency resource pools.

As a sub-embodiment, the fact that the first signaling is used to indicate the Q first-type time-frequency resource pools means that the first signaling indirectly indicates the Q first-type time-frequency resource pools.

As a sub-embodiment, the Q1 first-type time-frequency resource pools are Q1 first-type time-frequency resource pools that are occupied earliest among the Q first-type time-frequency resource pools.

As a subsidiary embodiment of this sub-embodiment, the being occupied refers to being occupied by the sender of the first signaling.

As a sub-embodiment, the target time-frequency resource overlaps with at least one first-type time-frequency resource pool among the Q first-type time-frequency resource pools and other than the Q1 first-type time-frequency resource pools stack.

As a subsidiary embodiment of this sub-embodiment, the target first-type time-frequency resource pool is one of the Q first-type time-frequency resource pools and the target other than the Q1 first-type time-frequency resource pools and the target The first type of time-frequency resource pool in which the time-frequency resources overlap; the overlapping of the target time-frequency resource and the target first-type time-frequency resource pool means that there is a time domain resource occupied by a multi-carrier symbol at the same time. belonging to the target time-frequency resource and the target first-type time-frequency resource pool.

As a sub-embodiment, the Q1 is 1.

As a sub-embodiment, the sender of the first signaling only sends the second signaling in one first-type time-frequency resource pool in the Q first-type time-frequency resource pools.

As a sub-embodiment, the first signaling is higher layer signaling (Higher Layer Signaling).

As a sub-embodiment, the first signaling is RRC (Radio Resource Control, Radio Resource Control) layer signaling.

As a sub-embodiment, the first signaling is specific to the user equipment (UE Specific).

As a sub-embodiment, there are at least two first-type time-frequency resource pools in the Q first-type time-frequency resource pools, and the two first-type time-frequency resource pools belong to two different frequency band resources respectively.

As a subsidiary embodiment of this sub-embodiment, the two different frequency band resources respectively correspond to two CCs (Component Carrier, component carrier) that are orthogonal in the frequency domain.

As a subsidiary embodiment of this sub-embodiment, the two different frequency band resources respectively correspond to two BWPs (Bandwidth Part, bandwidth regions) that are orthogonal in the frequency domain.

As an example of the above two subsidiary embodiments, the orthogonality in the frequency domain refers to non-overlapping in the frequency domain.

As a sub-embodiment, the second signaling is a DCI (Downlink Control Information, downlink control information).

As a sub-embodiment, the operation is receiving, and the second signaling is a downlink grant (Grant).

As a sub-embodiment, the operation is sending, and the second signaling is an uplink grant (Grant).

As a sub-embodiment, the multi-carrier symbols in this application are OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbols, SC-FDMA (Single-Carrier Frequency Division Multiple Access, single-carrier frequency division multiplexing access) symbols ) symbol, FBMC (Filter Bank MultiCarrier, filter bank multi-carrier) symbol, OFDM symbol containing CP (Cyclic Prefix, cyclic prefix), DFT-s-OFDM (Discrete Fourier Transform Spreading Orthogonal Frequency Division Multiplexing) containing CP, discrete Fourier One of the Orthogonal Frequency Division Multiplexing (OFDM) symbols of leaf transform spread spectrum.

As a sub-embodiment, the monitoring in this application refers to energy detection; the energy detection refers to that when the received energy is greater than a given threshold, the user equipment considers it to be monitored, and when the received energy is not greater than a given threshold The user equipment considers that the threshold is not detected.

As a subsidiary embodiment of this sub-embodiment, the monitoring is directed to the second signaling in this application.

As a sub-embodiment, the monitoring in this application refers to CRC check; the CRC check means that when the CRC included in the received wireless signal passes the check, the user equipment considers the wireless signal to be It is monitored that the wireless signal of the user equipment U2 is not monitored when the CRC included in the received wireless signal fails to pass the check.

As a subsidiary embodiment of this sub-embodiment, the monitoring is directed to the second signaling in this application.

As a sub-embodiment, the Q first-type time-frequency resource pools form a positive integer CORESET (Control Resource Set, control resource group) of the user equipment.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture, as shown in FIG. 2 .

Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in FIG. 2 . FIG. 2 is a diagram illustrating a network architecture 200 of NR5G, LTE (Long-Term Evolution) and LTE-A (Long-Term Evolution Advanced) systems. The NR 5G or LTE network architecture 200 may be referred to as EPS (Evolved Packet System) 200 by some other suitable term. The EPS 200 may include one or more UE (User Equipment, User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, 5G-CN (5G-Core Network, 5G Core Network)/EPC (Evolved Packet Core, Evolved Packet Core) 210, HSS (Home Subscriber Server, Home Subscriber Server) 220 and Internet Service 230. The EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet-switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks that provide circuit-switched services or other cellular networks. The NG-RAN includes NR Node Bs (gNBs) 203 and other gNBs 204. gNB203 provides user and control plane protocol termination for UE201. gNBs 203 may connect to other gNBs 204 via an Xn interface (eg, backhaul). The gNB 203 may also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, Basic Service Set (BSS), Extended Service Set (ESS), TRP (Transmit Receive Point) or some other suitable terminology. gNB203 provides UE201 with an access point to 5G-CN/EPC210. 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 (eg, MP3 players), cameras, game consoles, drones, aircraft, narrowband physical network devices, machine type communication devices, land vehicles, automobiles, wearable devices, or any other similar functional devices. 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. gNB203 is connected to 5G-CN/EPC210 through S1/NG interface. 5G-CN/EPC210 includes MME/AMF/UPF 211, other MME (MobilityManagement Entity, mobility management entity)/AMF (Authentication Management Field, authentication management domain) /UPF (User Plane Function, user plane function) 214 , S-GW (Service Gateway, service gateway) 212 and P-GW (Packet Date Network Gateway, packet data network gateway) 213 . MME/AMF/UPF 211 is a control node that handles signaling between UE 201 and 5G-CN/EPC 210 . In general, MME/AMF/UPF 211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through the S-GW212, which itself is connected to the P-GW213. The P-GW 213 provides UE IP address allocation and other functions. The P-GW 213 is connected to the Internet service 230 . The Internet service 230 includes Internet protocol services corresponding to the operator, and may specifically include Internet, intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and PS Streaming Service (PSS).

As a sub-embodiment, the UE 201 corresponds to the user equipment in this application.

As a sub-embodiment, the gNB 203 corresponds to the base station in this application.

As a sub-embodiment, the UE 201 supports wireless communication for data transmission on an unlicensed spectrum.

As a sub-embodiment, the gNB 203 supports wireless communication for data transmission on an unlicensed spectrum.

As a sub-embodiment, the UE 201 supports wireless communication in which multiple frequency band resources are aggregated.

As a sub-embodiment, the gNB 203 supports wireless communication in which multiple frequency band resources are aggregated.

As a subsidiary embodiment of the above two sub-embodiments, the aggregation in this application refers to Aggregation.

As an auxiliary embodiment of the above two sub-embodiments, the frequency band resource in this application is a carrier.

As a subsidiary embodiment of the above two sub-embodiments, the frequency band resource in this application is BWP (Bandwidth Part, bandwidth area).

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 .

Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for the user plane and control plane, Figure 3 shows the radio protocol architecture for user equipment (UE) and base station equipment (gNB or eNB) with three layers: Layers 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 PHY301. Layer 2 (L2 layer) 305 is above the PHY 301 and is responsible for the link between the UE and the gNB through the PHY 301 . In the user plane, the L2 layer 305 includes a MAC (Medium Access Control, medium access control) sublayer 302, an RLC (Radio Link Control, radio link layer control protocol) sublayer 303 and a PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 303 protocol) sublayers 304 which terminate at the gNB on the network side. Although not shown, the UE may have several upper layers above the L2 layer 305, including a network layer (eg, IP layer) terminating at the P-GW on the network side and terminating at the other end of the connection (eg, The application layer at the remote UE, server, etc.). The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides header compression for upper layer packets to reduce radio transmission overhead, security by encrypting packets, and handover support for UEs between gNBs. 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 (Hybrid Automatic Repeat reQuest). 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 among UEs. The MAC sublayer 302 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for the UE and gNB is generally the same for the physical layer 301 and the L2 layer 305, but without the header compression function for the control plane. The control plane further includes an RRC (Radio Resource Control, Radio Resource Control) sublayer 306 in layer 3 (L3 layer). The RRC sublayer 306 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower layers using RRC signaling between the gNB and the UE.

As a sub-embodiment, the radio protocol architecture in FIG. 3 is applicable to the user equipment in this application.

As a sub-embodiment, the radio protocol architecture in FIG. 3 is applicable to the base station in this application.

As a sub-embodiment, the first signaling in this application is generated in the RRC sublayer 306 .

As a sub-embodiment, the first signaling in this application is generated in the MAC sublayer 302 .

As a sub-embodiment, the second signaling in this application is generated in the PHY 301 .

As a sub-embodiment, the Q1 third signaling in this application is generated in the PHY 301 .

As a sub-embodiment, the first type of wireless signal in this application is generated in the PHY 301 .

Example 4

Embodiment 4 shows a schematic diagram of a base station device and user equipment according to the present application, as shown in FIG. 4 . 4 is a block diagram of gNB 410 in communication with UE 450 in an access network.

The base station equipment ( 410 ) includes a controller/processor 440 , a memory 430 , a receive processor 412 , a transmit processor 415 , a transmitter/receiver 416 and an antenna 420 .

User equipment ( 450 ) includes controller/processor 490 , memory 480 , data source 467 , transmit processor 455 , receive processor 452 , transmitter/receiver 456 and antenna 460 .

In UL (Uplink, uplink), the processing related to the base station equipment (410) includes:

- a receiver 416, which receives the radio frequency signal through its corresponding antenna 420, converts the received radio frequency signal into a baseband signal, and provides the baseband signal to the receiving processor 412;

- a receive processor 412 that implements various signal receive processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction;

- a controller/processor 440 that implements L2 layer functions and is associated with a memory 430 storing program codes and data;

- Controller/processor 440 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer packets from UE 450; from controller/processor 440 The upper-layer data packets of can be provided to the core network;

- a controller/processor 440, for determining Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only in the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools One of the first type of time-frequency resource pools sends the second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

In UL (Uplink, uplink), the processing related to the user equipment (450) includes:

- Data source 467, providing upper layer data packets to controller/processor 490. Data source 467 represents all protocol layers above the L2 layer;

- a transmitter 456, which transmits radio frequency signals through its corresponding antennas 460, converts the baseband signals into radio frequency signals, and supplies the radio frequency signals to the corresponding antennas 460;

- a transmit processor 455 that implements various signal reception processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction;

- Controller/processor 490 implements header compression, ciphering, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation of gNB 410, implements L2 for user plane and control plane layer function;

- the controller/processor 490 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the gNB 410;

- a controller/processor 490, for determining Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only in the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools The second signaling is monitored in a first-type time-frequency resource pool, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

In downlink transmission, the processing related to the base station equipment (410) includes:

- Controller/processor 440, upper layer packets arrive, controller/processor 440 provides packet header compression, encryption, packet segmentation concatenation and reordering, and multiplexing and demultiplexing between logical and transport channels to implement the L2 layer protocol for user plane and control plane; upper layer packets may include data or control information, such as DL-SCH (Downlink Shared Channel, downlink shared channel);

- a controller/processor 440, associated with a memory 430 storing program codes and data, the memory 430 may be a computer readable medium;

- a controller/processor 440, comprising a scheduling unit to transmit demand, and the scheduling unit is used to schedule air interface resources corresponding to the transmission demand;

- a controller/processor 440, for determining Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only in the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools One of the first type of time-frequency resource pools sends the second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

- a transmit processor 415, receiving the output bitstream of the controller/processor 440, implementing various signal transmit processing functions for the L1 layer (ie physical layer) including encoding, interleaving, scrambling, modulation, power control/distribution and Physical layer control signaling (including PBCH, PDCCH, PHICH, PCFICH, reference signal) generation, etc.;

- The transmitter 416 is used to convert the baseband signal provided by the transmit processor 415 into a radio frequency signal and transmit it through the antenna 420; each transmitter 416 samples the respective input symbol stream to obtain the respective sampled signal stream. Each transmitter 416 further processes (such as digital-to-analog conversion, amplification, filtering, up-conversion, etc.) the respective sample stream to obtain a downstream signal.

In downlink transmission, processing related to the user equipment (450) may include:

- a receiver 456 for converting the radio frequency signal received by the antenna 460 into a baseband signal and providing it to the receiving processor 452;

- a receive processor 452 that implements various signal receive processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction;

- a controller/processor 490 that receives the bitstream output from the receive processor 452, provides packet header decompression, decryption, packet segment concatenation and reordering, and demultiplexing between logical and transport channels to implement L2 layer protocols for user plane and control plane;

- a controller/processor 490, for determining Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only in the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools The second signaling is monitored in a first-type time-frequency resource pool, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

- A controller/processor 490 is associated with a memory 480 that stores program codes and data. Memory 480 may be a computer-readable medium.

As a sub-embodiment, the UE450 device includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to interact with the at least one memory When used together with the processor, the UE450 device at least: receives a first signaling, where the first signaling is used to indicate Q first type time-frequency resource pools, and the Q first type time-frequency resource pools are preset; reserved for downlink control information; and determining Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only in the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools Monitoring the second signaling in the first type of time-frequency resource pool, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q; and operating the first wireless signal in the target time-frequency resource; the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; the operation is receiving or the operation is sending.

As a sub-embodiment, the UE 450 includes: a memory for storing a program of computer-readable instructions, the program of computer-readable instructions generating an action when executed by at least one processor, the action comprising: receiving a first signaling , the first signaling is used to indicate Q first-type time-frequency resource pools, the Q first-type time-frequency resource pools are reserved for downlink control information; and from the Q first-type time-frequency resource pools Q1 first-type time-frequency resource pools are determined in the frequency resource pool, and the second signaling is only monitored in the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools, and the Q is a positive integer greater than 1, the Q1 is a positive integer less than the Q; and operating a first wireless signal in a target time-frequency resource; the second signaling is used to determine the target time-frequency resource; Any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; the operation is reception or the operation is transmission.

As a sub-embodiment, the gNB410 device includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to interact with the at least one used with the processor. The gNB410 device at least: sends first signaling, where the first signaling is used to indicate Q first type time-frequency resource pools, and the Q first type time-frequency resource pools are reserved for downlink control information and determine Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, only in the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools one of the resource pools sends second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q; and executing the first wireless signal in the target time-frequency resource; the first Two signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; the execution is to send , or the execution is a receive.

As a sub-embodiment, the gNB 410 includes: a memory for storing a program of computer-readable instructions, the program of computer-readable instructions generating an action when executed by at least one processor, the action comprising: sending a first signaling , the first signaling is used to indicate Q first-type time-frequency resource pools, the Q first-type time-frequency resource pools are reserved for downlink control information; and from the Q first-type time-frequency resource pools Determine Q1 first-type time-frequency resource pools in the frequency resource pool, and send the second signaling only in one of the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools , the Q is a positive integer greater than 1, the Q1 is a positive integer less than the Q; and the first wireless signal is performed in the target time-frequency resource; the second signaling is used to determine the target time and frequency resources; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; the execution is transmission, or the execution is reception.

As a sub-embodiment, UE450 corresponds to the user equipment in this application.

As a sub-embodiment, the gNB 410 corresponds to the base station in this application.

As a sub-embodiment, at least the first two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive first signaling that is used to indicate the Q first A class time-frequency resource pool, the Q first class time-frequency resource pools are reserved for downlink control information.

As a sub-embodiment, at least the first two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are used to transmit the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive Q1 third signaling that is the same as the Q1 third signaling The first type of time-frequency resource pools are in one-to-one correspondence.

As a sub-embodiment, at least the first two of receiver 456, receive processor 452, and controller/processor 490 are used to perform channel detection in the K candidate time units, respectively.

As a sub-embodiment, at least the first two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to send first signaling that is used to indicate the Q first A class time-frequency resource pool, the Q first class time-frequency resource pools are reserved for downlink control information.

As a sub-embodiment, at least the first two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to receive the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to send Q1 third signaling that is the same as the Q1 third signaling The first type of time-frequency resource pools are in one-to-one correspondence.

As a sub-embodiment, at least the first two of receiver 416, receive processor 412, and controller/processor 440 are used to perform channel detection in Q target time units, respectively.

As a sub-embodiment, at least the first two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to monitor the first wireless signal in the K candidate time-frequency resources, respectively.

Example 5

Embodiment 5 illustrates a flowchart of a first wireless signal, as shown in FIG. 5 . In FIG. 5, the base station N1 is the maintenance base station of the serving cell of the user equipment U2. In the figure, the steps in the box identified as F0 are optional.

For the base station N1 , the first signaling is sent in step S10; in step S11, channel detection is performed in Q target time units respectively, and Q1 first-type time-frequency resources are determined from the Q first-type time-frequency resource pools frequency resource pool, send Q1 third signaling, and send second signaling in one of the Q1 first-type time-frequency resource pools; in step S12, send the first wireless signal in the target time-frequency resource .

For the user equipment U2 , receive the first signaling in step S20; receive Q1 third signaling in step S21, and monitor the second signaling in the Q1 first-type time-frequency resource pool; in step S22 In the middle, the first wireless signal is received in the target time-frequency resource.

In Embodiment 5, for the base station N1: the first signaling is used by the base station N1 to indicate Q first-type time-frequency resource pools, and the Q first-type time-frequency resource pools are reserved for downlink control information; the base station N1 determines Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only in the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools One of a type of time-frequency resource pools sends the second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q; the Q1 third signaling is the same as the Q1 The first type time-frequency resource pools are in one-to-one correspondence; the Q1 third signalings are respectively used by the base station to indicate that the Q1 first type time-frequency resource pools are occupied; the second signaling is used by the base station N1 is used to indicate the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are orthogonal in the time domain; the Q target time units are respectively associated with the The Q first-type time-frequency resource pools correspond; the channel detection in the Q target time units is used by the base station N1 to determine the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools The time-frequency resource pool is free.

In Embodiment 5, for the user equipment U2: the first signaling indicates Q first-type time-frequency resource pools, and the Q first-type time-frequency resource pools are reserved for downlink control information; the Q1 The third signaling is respectively used by the user equipment U2 to determine that the Q1 first-type time-frequency resource pools are occupied by the base station N1; Q1 first-type time-frequency resource pools are determined from the first-type time-frequency resource pools, and only the Q1 first-type time-frequency resource pools are monitored in the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools. Second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer smaller than the Q; the user equipment U2 monitors the second type of time-frequency resource pools in the Q1 first-type time-frequency resource pools signaling, the user equipment U2 stops monitoring the second type of time-frequency resource pools in the Q first-type time-frequency resource pools and in the first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools signaling.

As a sub-embodiment, the Q1 third signalings are respectively used to determine that the Q1 first type time-frequency resource pools are occupied by the base station N1.

As a sub-embodiment, the Q1 third signalings respectively indicate that Q1 time-domain resources are occupied, and the Q1 first-type time-frequency resource pools respectively belong to the Q1 time-domain resources in the time domain.

As a subsidiary embodiment of this sub-embodiment, any one of the Q1 time-domain resources occupies the duration of a positive integer number of multi-carrier symbols, and the positive integer number of multi-carrier symbols are consecutive in the time domain.

As a sub-embodiment, the Q1 first-type time-frequency resource pools are first-type time-frequency resource pools that are occupied earliest by Q1 among the Q first-type time-frequency resource pools.

As a sub-embodiment, any one of the Q1 third signalings is DCI.

As a sub-embodiment, any one of the Q1 third signalings is given an identity.

As a subsidiary embodiment of this sub-embodiment, the given identity is used to generate an RS (Reference Signal, reference signal) sequence of a DMRS (Demodulation Reference Signal, demodulation reference signal) corresponding to the third signaling.

As a subsidiary embodiment of this sub-embodiment, the identification of the third signaling is given refers to: a CRC (Cycl ic Redundancy Check, cyclic redundancy check) included in the third signaling scrambled by the given identity.

As an adjunct to this sub-embodiment, the given identity is 16 binary bits.

As a subsidiary embodiment of this sub-embodiment, the given identities are all used for scrambling of the third signaling.

As a subsidiary embodiment of this sub-embodiment, the given identity is a CC-RNTI.

As a subsidiary embodiment of this sub-embodiment, the given identity is common to the cell.

As a subsidiary embodiment of this sub-embodiment, the given identity is specific to a terminal group, and the user equipment U2 is a terminal in the terminal group.

As a sub-embodiment, the fact that the Q1 first-type time-frequency resource pools are idle means that the Q1 first-type time-frequency resource pools are not occupied by other transmitters other than the base station N1.

As a sub-embodiment, Q1 target time units in the Q target time units are in one-to-one correspondence with the Q1 first-type time-frequency resource pools, and the base station N1 performs the processing in the Q1 target time units. The result of the channel detection confirms that the Q1 first-type time-frequency resource pools are idle.

Example 6

Embodiment 6 illustrates another flow chart of the first wireless signal, as shown in FIG. 6 . In FIG. 6, the base station N3 is the maintenance base station of the serving cell of the user equipment U4.

For the base station N3 , in step S30, the first wireless signal is respectively monitored in the K candidate time-frequency resources; in step S31, the first wireless signal is received in the target time-frequency resource.

For the user equipment U4 , in step S40, channel detection is performed in the K candidate time units respectively; in step S42, the first wireless signal is sent in the target time-frequency resource.

In Embodiment 6, the K candidate time-frequency resources correspond to K candidate time units respectively; the channel detection performed by the user equipment U4 in the target candidate time unit determines that the target time-frequency resources are idle; the target The candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling in this application indicates the K candidate time-frequency resources.

As a sub-embodiment, the channel detection is energy detection.

As a sub-embodiment, the channel detection is LBT.

As a sub-embodiment, the channel detection is CCA (Channel Clear Access, channel idle assessment).

As a sub-embodiment, the given candidate time-frequency resource is the earliest candidate time-frequency resource in the time domain among the K candidate time-frequency resources, and the candidate first-type time-frequency resource pool is occupied by the second signaling The first type of time-frequency resource pool of , the start moment of the given candidate time-frequency resource in the time domain is related to the end moment of the candidate first type of time-frequency resource pool in the time domain.

As a subsidiary embodiment of this sub-embodiment, the candidate first-type time-frequency resource pool is located in time slot #M, the given candidate time-frequency resource is located in time slot #(M+M1), and M is non-negative Integer, the M1 is a positive integer greater than 1, the second signaling explicitly indicates the M1, or the second signaling indicates the M1 implicitly.

As a subsidiary embodiment of this sub-embodiment, the candidate first-type time-frequency resource pool is the last first-type time-frequency resource pool in the time domain among the Q1 first-type time-frequency resource pools.

As a sub-embodiment, the interval between any two candidate time-frequency resources adjacent in the time domain between the K candidate time-frequency resources is M2 time slots, and the M2 is a positive integer; the M2 is fixed, or the second signaling explicitly indicates the M2, or the M2 is configured through RRC signaling.

As a sub-embodiment, there are at least two candidate time-frequency resources in the K candidate time-frequency resources, and the two candidate time-frequency resources belong to two different frequency band resources respectively.

As a subsidiary embodiment of this sub-embodiment, the two different frequency band resources respectively correspond to two CCs that are orthogonal in the frequency domain.

As a subsidiary embodiment of this sub-embodiment, the two different frequency band resources respectively correspond to two BWPs that are orthogonal in the frequency domain.

As an example of the above two subsidiary embodiments, the orthogonality in the frequency domain refers to non-overlapping in the frequency domain.

As a sub-embodiment, the target time-frequency resource is the earliest candidate time-frequency resource that is determined to be idle by the user equipment in the time domain among the K candidate time-frequency resources.

Example 7

Embodiment 7 illustrates a schematic diagram of Q first-type time-frequency resource pools, as shown in FIG. 7; in FIG. 7, any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools The time-frequency resource pools are orthogonal in the time domain, and the Q target time units correspond to the Q first-type time-frequency resource pools respectively; channel detection in the Q target time units is used to determine The Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools are idle; the first target time unit set shown in the figure includes Q1 target time units; the Q1 The target time units respectively include Q1 third signalings, and the Q1 third signalings are used to determine that the Q1 first-type time-frequency resource pools are idle.

As a sub-embodiment, any one of the Q first-type time-frequency resource pools occupies a positive integer number of consecutive multi-carrier symbols in the time domain.

As a sub-embodiment, there are a positive integer number of multi-carrier symbols not occupied by the base station in the present application between any two time-frequency resource pools of the first type in the Q first-type time-frequency resource pools.

As a sub-embodiment, any one of the Q target time units occupies a positive integer number of consecutive multi-carrier symbols in the time domain.

As a sub-embodiment, there is a positive integer number of multi-carrier symbols not occupied by the base station in the present application between any two target time units in the Q target time units.

As a sub-embodiment, the first target time unit set includes Q1 target time units in the Q target time units, and the Q1 target time units included in the first target time unit set are respectively related to the Q1 target time units. The time-frequency resource pools of the first type are in one-to-one correspondence, and the base station determines in the first target time unit set that the Q1 time-frequency resource pools of the first type are idle.

Example 8

Embodiment 8 illustrates a schematic diagram of K candidate time-frequency resources, as shown in FIG. 8 ; any candidate time-frequency resource in the K candidate time-frequency resources occupies a positive integer number of multi-carrier symbols in the time domain.

As a sub-embodiment, the time interval between any two adjacent candidate time-frequency resources in the time domain among the K candidate time-frequency resources is the same.

As a sub-embodiment, any two candidate time-frequency resources in the K candidate time-frequency resources have the same duration in the time domain.

As a sub-embodiment, the K candidate time-frequency resources all belong to the same CC in the frequency domain.

As a sub-embodiment, the K candidate time-frequency resources all belong to the same BWP in the frequency domain.

Example 9

Embodiment 9 illustrates a schematic diagram of K candidate time-frequency resources, as shown in FIG. 8; any candidate time-frequency resource in the K candidate time-frequency resources occupies a positive integer number of PRBs (Physical Resource Blocks) in the frequency domain. , the frequency bandwidth corresponding to the physical resource block); the K candidate time-frequency resources belong to K frequency band resources respectively in the frequency domain, and the K frequency band resources correspond to frequency band resource #1 to frequency band resource #K in the figure respectively; The part shown in the figure filled with oblique lines corresponds to the frequency domain resources occupied by the K candidate time-frequency resources.

As a sub-embodiment, the K frequency band resources correspond to K different CCs respectively.

As a subsidiary embodiment of this sub-embodiment, the K different CCs are orthogonal in the frequency domain.

As a sub-embodiment, the K frequency band resources respectively correspond to K different BWPs.

As a subsidiary embodiment of this sub-embodiment, the K different BWPs are orthogonal in the frequency domain.

As a sub-embodiment, the starting positions of the K candidate time-frequency resources in the time domain are the same.

As a sub-embodiment, the K candidate time-frequency resources occupy the same positive integer number of multi-carrier symbols in the time domain.

As a sub-embodiment, the K candidate time-frequency resources occupy the same number of PRBs in the frequency domain.

As a sub-embodiment, any two adjacent frequency band resources in the frequency domain among the K frequency band resources are continuous in the frequency domain.

Example 10

Embodiment 10 illustrates a schematic diagram of a Q1 first-type time-frequency resource pool and the K candidate time-frequency resources, as shown in FIG. 10 . In FIG. 10 , the user equipment monitors the second signaling in the last first-type time-frequency resource pool in the Q1 first-type time-frequency resource pools, and the second signaling indicates that the K candidate time-frequency resources; the K candidate time-frequency resources correspond to K candidate time units respectively; the user equipment performs channel detection in the K candidate time units respectively; the target in this application The time-frequency resource is the first idle candidate time-frequency resource detected by the user equipment in the time domain among the K candidate time-frequency resources. Perform channel detection to determine that the target time-frequency resource is idle; the user equipment sends the first wireless signal in the present application in the target time-frequency resource.

As a sub-embodiment, the user equipment does not detect the second signaling in the first (Q1-1) first-type time-frequency resource pools in the Q1 first-type time-frequency resource pools.

As a sub-embodiment, the given candidate time-frequency resource is the earliest candidate time-frequency resource in the time domain among the K candidate time-frequency resources, and the candidate first-type time-frequency resource pool is occupied by the second signaling The first type of time-frequency resource pool of , the candidate first type of time-frequency resource pool is located in time slot #M, the given candidate time-frequency resource is located in time slot #(M+M1), and M is a non-negative integer, The M1 is a positive integer greater than 1, the second signaling explicitly indicates the M1, or the second signaling indicates the M1 implicitly.

Example 11

Embodiment 11 illustrates a schematic diagram of a given target time unit, a given time window, and a given first-type time-frequency resource pool, as shown in FIG. 11 . In FIG. 11 , the time resources occupied by the given first-type time-frequency resource pool include the given time window, and the given target time unit is one of the Q target time units in this application. Any target time unit of Whether the given first type of time-frequency resource pool is free.

As a sub-embodiment, the base station performs channel detection in the given target time unit to determine that the given first-type time-frequency resource pool is idle, and the given first-type time-frequency resource pool belongs to Any one of the Q1 first-type time-frequency resource pools.

As a subsidiary embodiment of this sub-embodiment, the given first-type time-frequency resource pool is any first-type time-frequency resource pool in the Q1 first-type time-frequency resource pools.

As a subsidiary embodiment of this sub-embodiment, the base station sends a given third signaling in the given time window, and the given third signaling is the Q1 third signaling in this application in the third signaling indicating that the given first type of time-frequency resource pool is occupied.

As a sub-embodiment, the base station performs channel detection in the given target time unit to determine that the given first-type time-frequency resource pool is not idle, and the given first-type time-frequency resource pool belongs to A first-type time-frequency resource pool in the Q first-type time-frequency resource pools and other than the Q1 first-type time-frequency resource pools.

As a subsidiary embodiment of this sub-embodiment, the given first-type time-frequency resource pool is any one of the Q first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools A first-class time-frequency resource pool.

As a subsidiary embodiment of this sub-embodiment, the given first-type time-frequency resource pool is any one of the Q first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools A first-class time-frequency resource pool.

As a subsidiary embodiment of this sub-embodiment, the base station does not transmit wireless signals during the given time window.

Example 12

Embodiment 12 illustrates a structural block diagram of a processing apparatus in a UE, as shown in FIG. 12 . In FIG. 12 , the UE processing apparatus 1200 is mainly composed of a first receiver module 1201 , a second receiver module 1202 and a first transceiver module 1203 .

The first receiver module 1201 receives first signaling, where the first signaling is used to indicate Q first-type time-frequency resource pools, and the Q first-type time-frequency resource pools are reserved for downlink control information;

The second receiver module 1202 determines Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools Monitoring the second signaling in the first type of time-frequency resource pool, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

The first transceiver module 1203, operates the first wireless signal in the target time-frequency resource;

In Embodiment 12, the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are positive in the time domain. Posted; the operation is a receive or the operation is a send.

As a sub-embodiment, the second receiver module 1202 receives Q1 third signalings, and the Q1 third signalings are in one-to-one correspondence with the Q1 first-type time-frequency resource pools; the Q1 third signaling corresponds to the Q1 first-type time-frequency resource pools; The third signaling is respectively used to determine that the Q1 first-type time-frequency resource pools are occupied.

As a sub-embodiment, the first transceiver module 1203 performs channel detection in K candidate time units respectively; the operation is sending, and the K candidate time units correspond to K candidate time-frequency resources respectively; the Channel detection performed by the user equipment in the target candidate time unit determines that the target time-frequency resource is free; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource among the K candidate time units ; the second signaling indicates the K candidate time-frequency resources.

As a sub-embodiment, the user equipment monitors the second signaling in the Q1 first-type time-frequency resource pools, and the user equipment is in the Q first-type time-frequency resource pools and Stop monitoring the downlink control information in the first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools.

As a sub-embodiment, the first receiver module 1201 includes at least the first two of the receiver 456, the receiving processor 452, and the controller/processor 490 in the fourth embodiment.

As a sub-embodiment, the second receiver module 1202 includes at least the first two of the receiver 456, the receiving processor 452, and the controller/processor 490 in the fourth embodiment.

As a sub-embodiment, the first transceiver module 1203 includes at least the first three of the receiver/transmitter 456, the receive processor 452, the transmit processor 455, and the controller/processor 490 in Embodiment 4.

Example 13

Embodiment 13 illustrates a structural block diagram of a processing apparatus in a base station device, as shown in FIG. 13 . In FIG. 13 , the base station equipment processing apparatus 1300 is mainly composed of a first transmitter module 1301 , a second transceiver module 1302 and a third transceiver module 1303 .

The first transmitter module 1301 sends first signaling, where the first signaling is used to indicate Q first-type time-frequency resource pools, and the Q first-type time-frequency resource pools are reserved for downlink control information;

The second transceiver module 1302 determines Q1 first-type time-frequency resource pools from the Q first-type time-frequency resource pools, and only the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools One of the first type of time-frequency resource pools sends the second signaling, the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q;

The third transceiver module 1303, executes the first wireless signal in the target time-frequency resource;

In Embodiment 13, the second signaling is used to determine the target time-frequency resource; any two first-type time-frequency resource pools in the Q first-type time-frequency resource pools are positive in the time domain. Posted; the execution is to send, or the execution is to receive.

As a sub-embodiment, the second transceiver module 1302 sends Q1 third signalings, and the Q1 third signalings are in one-to-one correspondence with the Q1 first-type time-frequency resource pools; the Q1 third signalings correspond to the Q1 first-type time-frequency resource pools; The third signaling is respectively used to determine that the Q1 first-type time-frequency resource pools are occupied.

As a sub-embodiment, the second transceiver module 1302 performs channel detection in Q target time units respectively; the Q target time units respectively correspond to the Q first-type time-frequency resource pools; The channel detection in the Q target time units is used to determine that the Q1 first-type time-frequency resource pools in the Q first-type time-frequency resource pools are idle.

As a sub-embodiment, the third transceiver module 1303 monitors the first wireless signal in K candidate time-frequency resources respectively; the execution is receiving, and the K candidate time-frequency resources correspond to K candidate time units respectively ; Channel detection performed in the target candidate time unit by the sender of the first wireless signal determines that the target time-frequency resource is free; The candidate time unit corresponding to the time-frequency resource; the second signaling indicates the K candidate time-frequency resources.

As a sub-embodiment, the receiver of the first signaling includes a first terminal, and the first terminal monitors the second signaling in the Q1 first-type time-frequency resource pools, and the first terminal A terminal stops monitoring the downlink control information in the Q first-type time-frequency resource pools and in the first-type time-frequency resource pools other than the Q1 first-type time-frequency resource pools.

As a sub-embodiment, the first transmitter module 1301 includes at least the first two of the transmitter 416, the transmit processor 415, and the controller/processor 440 in the fourth embodiment.

As a sub-embodiment, the second transceiver module 1302 includes at least the first three of the transmitter/receiver 416, the transmit processor 415, the receive processor 412, and the controller/processor 440 in Embodiment 4.

As a sub-embodiment, the third transceiver module 1303 includes at least the first three of the transmitter/receiver 416 , the transmit processor 415 , the receive processor 412 , and the controller/processor 440 in Embodiment 4.

Those skilled in the art can understand that all or part of the steps in the above method can be completed by instructing relevant 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 form of the combination of software and hardware. User equipment, terminals and UEs in this application include, but are not limited to, drones, communication modules on drones, remote-controlled aircraft, aircraft, small aircraft, mobile phones, tablet computers, notebooks, in-vehicle communication equipment, wireless sensors, network cards, IoT terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication, machine type communication) terminals, eMTC (enhanced MTC, enhanced MTC) terminals, data cards, network cards, vehicle communication equipment, low-cost mobile phones, low Costs tablets and other devices. The base stations in this application include, but are not limited to, macro cell base stations, micro cell base stations, home base stations, relay base stations, gNB (NR Node B), TRP (Transmitter Receiver Point, Transmitter Receiver Node) and other wireless communication devices.

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 modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims (11)

1. a kind of method in user equipment that be used to wirelessly communicate, characterized by comprising:

The first signaling is received, first signaling is used to indicate that Q first kind running time-frequency resource pond, the Q first kind time-frequency Resource pool is reserved for Downlink Control Information；

Q1 first kind running time-frequency resource pond is determined from the Q first kind running time-frequency resource pond, only in the Q first kind time-frequency The second signaling is monitored in the Q1 first kind running time-frequency resource pond in resource pool, the Q is greater than 1 positive integer, the Q1 It is less than the positive integer of the Q；

The first wireless signal is operated in target running time-frequency resource；

Wherein, second signaling is used for determining the target running time-frequency resource；Appointing in the Q first kind running time-frequency resource pond Two first kind running time-frequency resource ponds of anticipating in time domain are orthogonal；The operation is reception or the operation is to send.

2. according to the method described in claim 1, it is characterised by comprising:

Q1 third signaling is received, the Q1 third signaling and the Q1 first kind running time-frequency resource pond correspond；

Wherein, the Q1 third signaling is respectively used to determine that the Q1 first kind running time-frequency resource pond is occupied.

3. method according to claim 1 or 2, characterized by comprising:

Channel Detection is carried out in K candidate time unit respectively；

Wherein, the operation is to send, and the K candidate time unit respectively corresponds K candidate running time-frequency resource；The user sets The standby Channel Detection carried out in target candidate time quantum determines that the target running time-frequency resource is idle；The target candidate Time quantum is candidate time unit corresponding with the target running time-frequency resource in the K candidate time unit；Described second Signaling instruction described K candidate running time-frequency resource.

4. according to claim 1 to method described in any claim in 3, which is characterized in that the user equipment is described Second signaling is monitored in Q1 first kind running time-frequency resource pond, the user equipment is in the Q first kind running time-frequency resource Stop monitoring the downlink control in pond and in the first kind running time-frequency resource pond except the Q1 first kind running time-frequency resource pond Information.

5. a kind of method in base station that be used to wirelessly communicate, characterized by comprising:

The first signaling is sent, first signaling is used to indicate that Q first kind running time-frequency resource pond, the Q first kind time-frequency Resource pool is reserved for Downlink Control Information；

Q1 first kind running time-frequency resource pond is determined from the Q first kind running time-frequency resource pond, only in the Q first kind time-frequency In the Q1 first kind running time-frequency resource pond in resource pool one of send the second signaling, the Q is greater than 1 positive integer, The Q1 is less than the positive integer of the Q；

The first wireless signal is executed in target running time-frequency resource；

Wherein, second signaling is used for determining the target running time-frequency resource；Appointing in the Q first kind running time-frequency resource pond Two first kind running time-frequency resource ponds of anticipating in time domain are orthogonal；The execution is transmission or the execution is to receive.

6. according to the method described in claim 5, it is characterised by comprising:

Q1 third signaling is sent, the Q1 third signaling and the Q1 first kind running time-frequency resource pond correspond；

Wherein, the Q1 third signaling is respectively used to determine that the Q1 first kind running time-frequency resource pond is occupied.

7. the method according to claim 5 or 6, characterized by comprising:

Channel Detection is carried out in Q object time unit respectively；

Wherein, the Q object time unit is corresponding with the Q first kind running time-frequency resource pond respectively；For the Q target Channel Detection in time quantum is used for determining that the Q1 first kind time-frequency in the Q first kind running time-frequency resource pond provides Source pond is idle.

8. the method according to any claim in claim 5 to 7, characterized by comprising:

The first wireless signal is monitored in K candidate running time-frequency resource respectively；

Wherein, the execution is to receive, and described K candidate running time-frequency resource respectively corresponds K candidate time unit；First nothing The Channel Detection that the sender of line signal carries out in target candidate time quantum determines that the target running time-frequency resource is idle； The target candidate time quantum is candidate time list corresponding with the target running time-frequency resource in the K candidate time unit Member；The instruction of the second signaling described K candidate running time-frequency resource.

9. the method according to any claim in claim 5 to 8, which is characterized in that the reception of first signaling Person includes first terminal, and the first terminal monitors second signaling, institute in the Q1 first kind running time-frequency resource pond State the first kind of the first terminal in the Q first kind running time-frequency resource pond and except the Q1 first kind running time-frequency resource pond Stop monitoring the Downlink Control Information in running time-frequency resource pond.

10. a kind of user equipment that be used to wirelessly communicate, characterized by comprising:

First receiver module, receives the first signaling, and first signaling is used to indicate that Q first kind running time-frequency resource pond, institute It states Q first kind running time-frequency resource pond and is reserved for Downlink Control Information；

Second receiver module determines Q1 first kind running time-frequency resource pond, only in institute from the Q first kind running time-frequency resource pond It states in the Q1 first kind running time-frequency resource pond in Q first kind running time-frequency resource pond and monitors the second signaling, the Q is greater than 1 Positive integer, the Q1 is less than the positive integer of the Q；

First transceiver module operates the first wireless signal in target running time-frequency resource；

Wherein, second signaling is used for determining the target running time-frequency resource；Appointing in the Q first kind running time-frequency resource pond Two first kind running time-frequency resource ponds of anticipating in time domain are orthogonal；The operation is reception or the operation is to send.

11. a kind of base station equipment that be used to wirelessly communicate, characterized by comprising:

First transmitter module, sends the first signaling, and first signaling is used to indicate that Q first kind running time-frequency resource pond, institute It states Q first kind running time-frequency resource pond and is reserved for Downlink Control Information；

Second transceiver module determines Q1 first kind running time-frequency resource pond, only in institute from the Q first kind running time-frequency resource pond State in the Q1 first kind running time-frequency resource pond in Q first kind running time-frequency resource pond one of send the second signaling, the Q is Positive integer greater than 1, the Q1 are less than the positive integer of the Q；

Third transceiver module executes the first wireless signal in target running time-frequency resource；

Wherein, second signaling is used for determining the target running time-frequency resource；Appointing in the Q first kind running time-frequency resource pond Two first kind running time-frequency resource ponds of anticipating in time domain are orthogonal；The execution is transmission or the execution is to receive.