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WO2018059587A1 - Procédés et dispositifs de transmission et de réception de données, station de base et terminal - Google Patents

Procédés et dispositifs de transmission et de réception de données, station de base et terminal Download PDF

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Publication number
WO2018059587A1
WO2018059587A1 PCT/CN2017/104878 CN2017104878W WO2018059587A1 WO 2018059587 A1 WO2018059587 A1 WO 2018059587A1 CN 2017104878 W CN2017104878 W CN 2017104878W WO 2018059587 A1 WO2018059587 A1 WO 2018059587A1
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Prior art keywords
cell
data
terminal
base station
transport channel
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PCT/CN2017/104878
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English (en)
Chinese (zh)
Inventor
张银成
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a data transmission and reception method and apparatus, a base station, and a terminal.
  • 5G will conduct further technical research on greater throughput, more user connections, lower latency, higher reliability, lower power consumption, including network-side devices and user terminals.
  • 5G technology goals to achieve 1000 times of mobile data traffic growth per region by 2020, 10 to 100 times throughput per user equipment (User Equipment, UE for short), number of connected devices 10 to 100 Double the growth, low power equipment 10 times longer battery life, and end-to-end 5 times delay.
  • User Equipment User Equipment
  • 5G will adopt a unified technology architecture to support enhanced mobile broadband (eMBB) services, massive machine type communication (MMTC) services and high reliability and low latency. (Ultra Reliable and Low Latency) business. Moreover, based on the above-mentioned business requirements, compared with the related 4G technology, some higher performance requirements are proposed for the 5G system, including:
  • Lower control plane delay 10ms from the transition from a low power state (such as Idle) to a continuous data transfer state (such as Active);
  • the data packet arrives at the wireless protocol layer 2/3 access of the mobile terminal in the form of a Session Data Unit (SDU).
  • SDU Session Data Unit
  • the battery supporting the mobile terminal has a life of about 15 years without charging, and is usually for a terminal supporting MTC service;
  • Energy consumption efficiency of the mobile terminal minimize the energy consumption of the mobile terminal in all application scenarios
  • Signaling load for infrequent small data packet transmission Minimize the signaling overhead caused by terminal state transition when infrequent small data transmission, including the signaling overhead of mobility management in the connection state.
  • FIG. 1 is an architectural diagram of a mobile communication system in the related art.
  • the mobile communication system function is divided into three logical functional entities, including a core network (Core Network, referred to as CN), and a base station (BS).
  • CN Core Network
  • BS base station
  • MS mobile station
  • the CN supports a network-side non-access stratum-related function
  • the BS supports a network-side radio access network function
  • the MS supports a peer-to-peer function corresponding to the CN and the BS; further
  • the CN and the BS are connected by a logical interface (including various wired networks and possibly wireless networks), which is called a CN-BS connection.
  • the BS and the BS are connected by a logical interface (including various wired networks and possibly wireless networks), which is called a BS-BS connection; the BS and the MS are connected by a wireless interface, which is called a BS-MS connection.
  • the logical function entities may be implemented by one or more actual functional entities.
  • the logical interfaces are connected by multiple physical interfaces, for example, multiple CN functional entities form a core network, and multiple BS functional entities form a wireless connection.
  • the CN includes two functional entities: an MME (control plane) and an SGW (user plane).
  • the BS corresponds to an eNB functional entity
  • the MS corresponds to the UE function. entity.
  • the eNB and the MME and the SGW are respectively connected through an S1-C (control plane connection) and an S1-U (user plane connection) interface
  • the eNB and the eNB are connected through an X2 interface
  • the eNB and the UE are connected through the Uu interface.
  • These interface connections usually correspond to some resource configuration and management related information.
  • the Uu interface connection is managed and maintained by the eNB and the UE
  • the X2 interface is managed and maintained by two related eNBs
  • the S1-C and S1-U connections are managed and maintained by the eNB and the MME.
  • FIG. 3 is a schematic diagram of a conversion relationship between two states of RRC idle and RRC connected in the related art. As shown in FIG. 3, it defines two states of RRC idle and RRC connected and transition between two states. Relationship, where:
  • the main features of the UE in the RRC idle state include:
  • the network side of the radio access network that is, the eNB does not have any information of the UE, nor does it establish any dedicated connection and allocate any dedicated resources for the UE on the S1-C, S1-U and Uu interfaces;
  • the UE autonomously performs mobility management between cells according to configuration information in the eNB system information
  • the CN needs to initiate a paging procedure for the UE.
  • the UE After receiving the paging message, the UE initiates a series of processes and messages are switched to the RRC connected state to establish Uu, S1- C, S1-U, etc. are connected, and then can receive downlink data; if the UE needs to send a little bit of uplink data, it initiates a series of processes and messages to the RRC connected state, and establishes Uu, S1-C, S1-U and other connections. , then you can send upstream data.
  • the main functional features of the UE in the RRC connected state include:
  • the network side of the radio access network that is, the eNB establishes a dedicated connection for the UE on the S1-C, S1-U, and Uu interfaces and allocates dedicated resources.
  • These dedicated connections and their associated resource configuration information are used by the eNB with the UE context (UE).
  • the context is preserved, managed, and maintained.
  • the mobility management of the UE between cells is controlled by the eNB;
  • the UE may receive the point-to-point downlink data or send the uplink data through a dedicated resource;
  • the UE Due to the above-mentioned functional features of the two states of RRC idle and RRC connected, the UE has the following performance characteristics in the two states and in the state transition:
  • the UE In the RRC idle state, the UE can maintain the energy-saving state most of the time because it only needs to listen to signals sent by few eNBs.
  • the UE In the RRC connected state, the UE needs to relatively monitor the signal sent by the eNB because of the need to maintain the Uu interface connection, and the power consumption is relatively large;
  • the UE switches between the RRC idle and RRC connected states under the control of the eNB;
  • the transition between the RRC idle and RRC connected states needs to be completed through a series of S1-C, S1-U, and Uu interfaces and their messages, so there is a relatively large state transition delay. At the same time, more signaling overhead is generated.
  • the functional characteristics and performance characteristics of the two RRC idle and RRC connected UE states defined in the LTE system, especially the large state transition time and large signaling overhead, are in the 5G wireless access system.
  • a new RRC state may be introduced, which is between the RRC idle and RRC connected states, and may be referred to as an RRC inactive state (but does not exclude other supported functions and resource configurations having the same or similar names).
  • the status will have some characteristics of RRC idle and RRC connected, including: (Note: The following description refers to the 5G core network as CN, the radio access network functional entity as eNB, and the mobile terminal as UE, but does not exclude other Functionally the same or similar name)
  • the network side of the radio access network that is, the eNB retains (or stores) all or part of the resource configuration information of the S1-C, S1-U interface dedicated connection established by the UE in the UE context (UE context) in the RRC connected state, Or retain the S1-C, S1-U interface dedicated connection (including the relevant resources and corresponding configuration information in the UE context); release some resources of the dedicated connection of the Uu interface and configuration information in the UE context, especially the dedicated wireless of the Uu interface Resources and their configuration information, other Uu interface dedicated connection related resources and configuration information in the UE context are reserved;
  • the UE autonomously performs inter-cell mobility management according to configuration information (from system information or other RRC messages) in a predefined or pre-configured area; when the UE moves out of the predefined or pre-configured area, it may be referred to as a paging area.
  • Paging area (not excluding other similar names), the UE needs to notify the radio access network side in some way; wherein the paging area may include one or more cells, and multiple cells may belong to one eNB, or may belong to different eNB.
  • RRC connected, RRC inactive, and RRC idle states these states may be set and released due to RRC connection setup, specific timers are set to expire, dedicated RRC commands, data reception or transmission, etc.
  • a state transition occurs because of a series of process and information interactions.
  • the base station can only reach the terminal at the paging occasion, that is, if there is data to be sent from the network side to the UE, the CN directly sends the data to the eNB, and the eNB initiates a paging procedure for the UE, and the UE After receiving the paging message, the process initiates a series of processes and the message is switched to the RRC connected state, and the Uu, S1-C, and S1-U connections are established or restored, and then the downlink data can be received; and in the uplink direction, the terminal can only receive the random connection.
  • the UE needs to send a series of processes and messages to the RRC connected state through the random access procedure, and establish or restore the Uu, S1-C, S1-U, and the like. Then you can send upstream data.
  • the UE in the RRC inactive state in the related art cannot directly receive downlink data or send uplink data, but can receive downlink data or send uplink only when transitioning to the RRC connected state.
  • Data in the current and subsequent predictable mobile Internet services, non-frequent small data packet services will account for a relatively large proportion. In the above-mentioned manner, there is a problem of large transmission delay and large signaling overhead of infrequent small data packet services.
  • the UE in the RRC inactive state in the related art cannot directly receive downlink data or send uplink data. Currently, no effective solution has been proposed.
  • the embodiments of the present disclosure provide a data transmission and reception method and apparatus, a base station, and a terminal, so as to solve at least the problem that the UE in the RRC inactive state in the related art cannot directly receive downlink data or send uplink data.
  • a data transmission method including: mapping downlink data to a first downlink common transmission channel pre-configured for a cell, obtaining first downlink common transmission channel data, and then A downlink common transport channel data is mapped to the downlink shared physical channel PDSCH to obtain PDSCH data, and the PDSCH data is transmitted to the terminal in a paging occasion corresponding to the terminal.
  • the terminal is a terminal in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the downlink data is dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the method before mapping the downlink data to the first downlink common transport channel pre-configured for the cell, the method further includes at least one of: retaining or storing the radio interface between the base station and the terminal established when the RRC connection state is established. Resource and configuration information of the DTCH and/or DCCH associated with the terminal-specific connection; retaining or storing the first identifier of the terminal; reassigning the first identifier of the terminal and transmitting the first identifier of the terminal to the terminal Configuring a first downlink common transport channel for the cell, and transmitting configuration information of the first downlink common transport channel to the terminal, where the configuration information of the first downlink common transport channel includes: DTCH and/or DCCH and downlink common The mapping relationship of the transport channels.
  • mapping the downlink data to the first downlink common transport channel pre-configured for the cell includes: the anchor cell passing the downlink data through the second downlink common transport channel and/or The second downlink common transport channel bearer is sent to the camping cell and carries the first identifier of the terminal; the camped cell maps the received downlink data to the first downlink public transport channel;
  • the first downlink common transport channel is a downlink common transport channel configured for the camped cell; the second downlink common transport channel and/or the second downlink common transport channel bearer is used in the anchor cell and Transmitting the downlink data between the camping cells.
  • the second downlink common transport channel and/or the second downlink common transport channel bearer is the anchor base station where the anchor cell is located.
  • the anchor base station where the camping cell is located Pre-established on the interface with the camping base station where the camping cell is located; in the case where the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second downlink common transport channel and/or the The two downlink public transport channel bearers are anchored Pre-established inside the base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is when the terminal transitions from the RRC connected state to the RRC inactive state.
  • the cell in which the anchor cell belongs is the anchor base station
  • the camped cell is the cell currently camped by the terminal
  • the base station to which the camped cell belongs is the camping base station; mapping the downlink data to the first pre-configured cell
  • the public transport channel includes: the anchor base station and/or the anchor cell transmitting the downlink data to the camping base station and/or the camping cell by using a signaling message, and carrying the terminal An identifier; the camping base station and/or the camping cell mapping the received downlink data to the first downlink common transport channel of the camped cell; wherein the signaling message is Transmitted by a pre-established signaling connection on the interface between the anchor base station and the resident base station.
  • the first identifier is an anchor cell allocated for the terminal.
  • the method before sending the downlink data to the terminal by using the PDSCH in the paging occasion corresponding to the terminal, the method further includes: determining a paging occasion according to the first identifier of the terminal or the second identifier of the terminal; The PDSCH resource is dynamically scheduled to the terminal through the physical downlink control channel PDCCH by using the first identifier.
  • the method further includes: receiving PUSCH data by using an uplink shared physical channel (PUSCH); and inversely mapping the PUSCH data to a first uplink common transport channel that is pre-configured for the cell, to obtain first uplink common transport channel data;
  • the uplink common transport channel data is inversely mapped to the DTCH and/or DCCH to obtain uplink data.
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the method further includes: configuring a first uplink common transport channel for the cell, and configuring the first uplink common transport channel The information is sent to the terminal; where the configuration information of the first uplink common transport channel includes: a mapping relationship between the DTCH and/or the DCCH and the uplink common transport channel.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is a cell in which the terminal transits from the RRC connected state to the RRC inactive state,
  • the camping cell is a cell in which the terminal is currently camped; after the first uplink common transport channel data is inversely mapped to the DTCH and/or the DCCH to obtain the uplink data, the method further includes: the camping cell is configured to: Transmitting to the anchor cell by using a second uplink common transport channel and/or a second uplink common transport channel bearer, and carrying the first identifier of the terminal; the anchor cell receiving the uplink data; wherein, the second An uplink common transport channel and/or a second uplink common transport channel bearer is used to transmit the uplink data between the anchor cell and the camped cell.
  • the second uplink common transport channel and/or the second uplink common transport channel bearer is the anchor base station where the anchor cell is located. And pre-established on an interface between the camping base station where the camping cell is located; in the case that the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second uplink common transport channel and/or the The two uplink common transport channel bearers are established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells of the same base station.
  • the anchor cell is a cell in which the terminal transits from the RRC connection state to the RRC inactive state
  • the base station to which the anchor cell belongs is the anchor base station
  • the resident cell is the cell currently camped by the terminal.
  • the base station to which the camping cell belongs is a camping base station; before inversely mapping the first uplink common transport channel data to the DTCH and/or the DCCH to obtain uplink data, the method further includes: the camping base station and/or the The camping cell sends the uplink data to the anchor base station and/or the anchor cell by using a signaling message, and carries the first identifier of the terminal; the anchor base station and/or the anchor cell receiving station The uplink data is described; wherein the signaling message is sent by a pre-established signaling connection on an interface between the anchor base station and the resident base station.
  • the PUSCH data or the first uplink transmission channel data or the uplink data includes: a first identifier of the terminal.
  • receiving the PUSCH data sent by the terminal by using the PUSCH includes: receiving the PUSCH data sent by the terminal by using the PUSCH according to the third message in the random access procedure.
  • the first identifier of the terminal is sent to the terminal by using the following manner, and/or the configuration information of the first downlink common transport channel is sent to the terminal: RRC signaling or a system message.
  • the configuration information of the first uplink common transport channel is sent to the terminal by using RRC signaling or a system message.
  • a data receiving method comprising: receiving PDSCH data through a downlink shared physical channel PDSCH in a paging occasion corresponding to a terminal; and inversely mapping PDSCH data to a downlink common transport channel, and The downlink data transmitted by the base station is obtained on the dedicated traffic channel DTCH and/or the dedicated control channel DCCH.
  • the downlink data is downlink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the terminal is a terminal in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the method further includes: mapping uplink data to the uplink common transport channel to obtain uplink common transport channel data; mapping uplink common transport channel data to the uplink shared physical channel PUSCH to obtain PUSCH data; and performing a random access procedure
  • the third message transmits the PUSCH data to the base station.
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the method before receiving the downlink data by using the downlink shared physical channel PDSCH in the paging occasion corresponding to the terminal, the method further includes at least one of the following: the reserved or stored wireless between the base station and the terminal established in the RRC connected state. Resource and configuration information of the DTCH and/or DCCH related to the terminal-specific connection on the interface; retaining or storing the first identifier of the terminal; acquiring the first identifier of the terminal re-allocated by the base station to the terminal; acquiring the downlink common transmission channel and/or Or the configuration information of the uplink common transport channel; wherein the configuration information includes: a downlink common transport channel and/or an uplink common transport channel configured by the base station for the cell, and/or a DTCH and/or DCCH of the terminal and a downlink common transport channel and/or The mapping relationship of the uplink common transport channel.
  • the configuration information includes: a downlink common transport channel and/or an uplink common transport channel configured by the base station for the cell, and/or
  • receiving the PDSCH data by using the downlink shared physical channel PDSCH in the paging occasion corresponding to the terminal includes: determining a paging occasion according to the first identifier or the second identifier of the terminal; and monitoring the uplink by using the first identifier in the paging occasion Controlling the physical channel PUCCH; determining the PDSCH according to the PDSCH resources scheduled on the PUCCH; receiving the PDSCH data through the PDSCH.
  • the terminal first identifier that is re-allocated by the base station and/or the configuration information of the downlink common transport channel and/or the uplink common transport channel is obtained by: RRC signaling or a system message.
  • the method is applied to the following scenario: the anchor cell is the same cell as the camping cell, where the anchor cell is a cell where the terminal transits from the RRC connection state to the RRC inactive state, and the camped cell is the terminal currently camped on.
  • the cell of the anchor cell and the camping cell are different base stations in the same paging area or different cells of the same base station.
  • a data transmitting apparatus including: a first mapping module, configured to sequentially map downlink data to a first downlink common transport channel and a downlink shared physical channel PDSCH that are pre-configured for a cell. And obtaining PDSCH data; the first sending module is configured to send the PDSCH data to the terminal in a paging occasion corresponding to the terminal.
  • the terminal is a terminal in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the downlink data is dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the apparatus further includes at least one of: a first configuration module configured to configure a first downlink common transport channel for the cell, and/or to reconfigure the first identifier of the terminal for the terminal;
  • the first downlink common transport channel has a mapping relationship with the DTCH and/or the DCCH;
  • the storage module is configured to reserve or store the DTCH associated with the terminal-specific connection on the radio interface between the base station and the terminal established in the RRC connected state / or DCCH resources and configuration information; and retain or store the first identity.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is a cell in which the terminal transits from the RRC connected state to the RRC inactive state
  • the camping cell is a cell that the terminal currently camps on;
  • the first mapping module includes: a first sending unit, configured to send the downlink data to the resident by using the second downlink common transport channel and/or the second downlink common transport channel bearer And the first mapping unit is configured to map the received downlink data to the first downlink public transmission channel, where the first downlink public transmission is performed.
  • the channel is a downlink common transport channel configured for the camped cell; the second downlink common transport channel and/or the second downlink common transport channel bearer is configured to transmit the between the anchor cell and the camped cell Downlink data, wherein the first sending unit is located in the anchor cell, and the first mapping unit is located in the camping cell.
  • the second downlink common transport channel and/or the second downlink common transport channel bearer is the anchor base station where the anchor cell is located.
  • the anchor base station where the camping cell is located Pre-established on the interface with the camping base station where the camping cell is located; in the case where the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second downlink common transport channel and/or the The two downlink public transport channel bearers are anchored Pre-established inside the base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is when the terminal transitions from the RRC connected state to the RRC inactive state.
  • the cell in which the anchor cell belongs is an anchor base station
  • the camped cell is a cell in which the terminal is currently camped
  • the base station to which the camping cell belongs is a camping base station
  • the first mapping module includes: a second sending unit, And sending the downlink data to the camping base station and/or the camping cell by using a signaling message, and carrying the first identifier of the terminal
  • the second mapping unit is configured to receive the following Row data is mapped onto the first downlink common transport channel of the camped cell; wherein the signaling message is pre-established signaling over an interface between the anchor base station and the camping base station And transmitting, wherein the second sending unit is located in the anchor base station and/or the anchor cell, and the second mapping unit is located in the camping base station and/or the camping cell.
  • the first identifier is an anchor cell allocated for the terminal.
  • the device further includes: a determining module, configured to determine a paging occasion according to the first identifier of the terminal or the second identifier of the terminal; and the scheduling module, configured to use the first identifier to pass the physical downlink control channel PDCCH in the paging occasion
  • the PDSCH resources are dynamically scheduled to the terminal.
  • the device further includes: a second receiving module, configured to receive PUSCH data by using an uplink shared physical channel PUSCH; and a second mapping module, configured to inversely map the PUSCH data to a first uplink common transport channel pre-configured for the cell, Obtaining first uplink common transmission channel data; and inversely mapping the first uplink common transmission channel data to the DTCH and/or DCCH to obtain uplink data.
  • a second receiving module configured to receive PUSCH data by using an uplink shared physical channel PUSCH
  • a second mapping module configured to inversely map the PUSCH data to a first uplink common transport channel pre-configured for the cell, Obtaining first uplink common transmission channel data; and inversely mapping the first uplink common transmission channel data to the DTCH and/or DCCH to obtain uplink data.
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the apparatus further includes: a second configuration unit, configured to configure a first uplink common transport channel for the cell; wherein the configured first uplink common transport channel has a mapping relationship with the DTCH and/or the DCCH.
  • a second configuration unit configured to configure a first uplink common transport channel for the cell; wherein the configured first uplink common transport channel has a mapping relationship with the DTCH and/or the DCCH.
  • the device further includes: a second sending module, configured to send the uplink data to the bearer by using a second uplink common transport channel and/or a second uplink common transport channel bearer
  • the anchor cell carries the first identifier of the terminal
  • the third receiving module is configured to receive the uplink data; wherein the second uplink common transport channel and/or the second uplink common transport channel bearer is used in the Transmitting the uplink data between the anchor cell and the camping cell; wherein the second sending module is located in the camping cell, and the first receiving module is located in the anchor cell.
  • the second uplink common transport channel and/or the second uplink common transport channel bearer is the anchor base station where the anchor cell is located. And pre-established on an interface between the camping base station where the camping cell is located; in the case that the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second uplink common transport channel and/or the The two uplink common transport channel bearers are established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is when the terminal transitions from the RRC connected state to the RRC inactive state.
  • the cell in which the anchor cell belongs is the anchor base station
  • the camped cell is the cell currently camped by the terminal
  • the base station to which the camping cell belongs is the camping base station;
  • the device further includes: a third sending module, configured to Transmitting the uplink data to the anchor base station and/or the anchor cell by using a signaling message, and carrying a first identifier of the terminal; and receiving, by the fourth receiving module, the anchor base station and/or the anchor Receiving, by the cell, the uplink data, where the signaling message is sent by using a pre-established signaling connection on an interface between the anchor base station and the resident base station; wherein the third sending module is located at the In the camping base station and/or the camping cell, the second receiving module is located in the anchor base station and/or the anchor cell.
  • the second receiving module is further configured to receive, by using the PUSCH, the PUSCH data sent by the terminal according to the third message in the random access procedure.
  • a data receiving apparatus including: a receiving module, configured to receive PDSCH data by using a downlink shared physical channel PDSCH in a paging occasion corresponding to a terminal; a first mapping module, setting In order to inversely map the PDSCH data to the downlink common transport channel, and the dedicated traffic channel DTCH and/or the dedicated control channel DCCH, downlink data transmitted by the base station is obtained.
  • the terminal is a terminal in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the downlink data is downlink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the device further includes: a second mapping module, configured to map uplink data to the uplink common transport channel to obtain uplink common transport channel data; and map the uplink common transport channel data to the uplink shared physical channel PUSCH, to obtain PUSCH data; a sending module, configured to send PUSCH data to the base station according to a third message of the random access procedure.
  • a second mapping module configured to map uplink data to the uplink common transport channel to obtain uplink common transport channel data
  • PUSCH uplink shared physical channel
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the apparatus further includes at least one of: a storage module configured to reserve or store resources of the DTCH and/or DCCH related to the terminal-specific connection on the base station and the inter-terminal wireless interface established in the RRC connection state. And the configuration information; the first identifier of the terminal is reserved or stored; the acquiring module is configured to acquire the first identifier of the terminal that the base station reassigns for the terminal, and/or to obtain the downlink common transport channel and/or the uplink common transport channel.
  • a storage module configured to reserve or store resources of the DTCH and/or DCCH related to the terminal-specific connection on the base station and the inter-terminal wireless interface established in the RRC connection state.
  • the configuration information the first identifier of the terminal is reserved or stored
  • the acquiring module is configured to acquire the first identifier of the terminal that the base station reassigns for the terminal, and/or to obtain the downlink common transport channel and/or the uplink common transport channel.
  • Configuration information where the configuration information includes: a downlink common transport channel and/or an uplink common transport channel configured by the base station for the cell, and/or a DTCH and/or DCCH of the terminal and a downlink common transport channel and/or an uplink common transport channel. Mapping relations.
  • the receiving module is further configured to: determine a paging occasion according to the first identifier or the second identifier of the terminal; monitor the uplink control physical channel PUCCH with the first identifier in the paging occasion; and determine the PDSCH according to the PDSCH resource scheduled on the PUCCH; And receiving PDSCH data through the PDSCH.
  • the acquiring module is configured to: acquire, by using, the first identifier of the terminal that the base station reassigns for the terminal, and/or obtain configuration information of the downlink common transport channel and/or the uplink common transport channel: Order or system message.
  • a base station including: a processor, configured to sequentially map downlink data to a first downlink common transport channel and a downlink shared physical channel PDSCH that are pre-configured for a cell, to obtain PDSCH data. And a transmission unit configured to transmit the PDSCH data to the terminal within a paging occasion corresponding to the terminal.
  • the terminal is a terminal in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the downlink data is dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the base station further includes at least one of: a configuration unit configured to configure a first downlink common transport channel for the cell, and/or to reconfigure the first identifier of the terminal for the terminal;
  • a downlink common transport channel has a mapping relationship with the DTCH and/or the DCCH;
  • the memory is configured to reserve or store the DTCH and/or DCCH associated with the terminal-specific connection on the radio interface between the base station and the inter-terminal established in the RRC connected state Resources and configuration information; and retain or store the first identity.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is a cell in which the terminal transits from the RRC connected state to the RRC inactive state
  • the camping cell is a cell that the terminal currently camps on;
  • the processor includes: a first radio frequency module, configured to send the downlink data to the camping cell by using a second downlink common transport channel and/or a second downlink common transport channel bearer, And carrying the first identifier of the terminal;
  • the first processor is configured to map the received downlink data to the first downlink public transport channel; wherein, the first downlink public transport channel is a downlink common transport channel configured for the camped cell; the second downlink common transport channel and/or the second downlink common transport channel bearer used to transmit the downlink data between the anchor cell and the camped cell
  • the first radio frequency module is located in the anchor cell, and the first processor is located in the camping cell.
  • the second downlink common transport channel and/or the second downlink common transport channel bearer is the anchor base station where the anchor cell is located.
  • the second downlink common transport channel and/or the The two downlink common transport channel bearers are pre-established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is when the terminal transitions from the RRC connected state to the RRC inactive state.
  • the cell in which the anchor cell belongs is the anchor base station
  • the camped cell is the cell currently camped by the terminal
  • the base station to which the camping cell belongs is the camping base station;
  • the processor includes: a second radio frequency module, which is set to Transmitting, by the signaling message, the downlink data to the camping base station and/or the camping cell, and carrying the first identifier of the terminal; the second processor is configured to receive the received line data.
  • the signaling message is sent by a pre-established signaling connection on an interface between the anchor base station and the resident base station; wherein the second radio frequency module is located at the anchor base station and/or the In the anchor cell, the second processor is located in the camping base station and/or the camping cell.
  • the base station further includes: a transmitting unit, configured to receive the PUSCH data by using the uplink shared physical channel (PUSCH); the processor is further configured to inversely map the PUSCH data to the first uplink common transport channel that is pre-configured for the cell, to obtain the first An uplink common transmission channel data; and inverse mapping the first uplink common transmission channel data to the DTCH and/or the DCCH to obtain uplink data.
  • a transmitting unit configured to receive the PUSCH data by using the uplink shared physical channel (PUSCH)
  • the processor is further configured to inversely map the PUSCH data to the first uplink common transport channel that is pre-configured for the cell, to obtain the first An uplink common transmission channel data
  • inverse mapping the first uplink common transmission channel data to the DTCH and/or the DCCH to obtain uplink data.
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the processor is further configured to configure a first uplink common transport channel for the cell, where the configured first uplink common transport channel has a mapping relationship with the DTCH and/or the DCCH.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is a cell in which the terminal transits from the RRC connected state to the RRC inactive state,
  • the camping cell is a cell in which the terminal is currently camped;
  • the base station further includes: a third radio frequency module, configured to send the uplink data to the bearer by using a second uplink common transport channel and/or a second uplink common transport channel bearer
  • the anchor cell carries the first identifier of the terminal;
  • the fourth radio frequency module is configured to receive the uplink data; wherein the second uplink common transport channel and/or the second uplink common transport channel bearer are used in the Transmitting the uplink data between the anchor cell and the camping cell; wherein the third radio frequency module is located in the camping cell, and the fourth radio frequency module is located in the anchor cell.
  • the second uplink common transport channel and/or the second uplink common transport channel bearer is the anchor base station where the anchor cell is located.
  • the second uplink common transport channel and/or the second uplink The common transport channel bearer is established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is when the terminal transitions from the RRC connected state to the RRC inactive state.
  • the cell in which the anchor cell belongs is the anchor base station
  • the camped cell is the cell currently camped by the terminal
  • the base station to which the camping cell belongs is the camping base station;
  • the base station further includes: a fifth radio frequency module, which is set to Transmitting the uplink data to the anchor base station and/or the anchor cell by using a signaling message, and carrying a first identifier of the terminal;
  • a sixth radio frequency module configured as the anchor base station and/or the anchor Receiving, by the cell, the uplink data, where the signaling message is sent by using a pre-established signaling connection on an interface between the anchor base station and the resident base station; wherein the fifth radio frequency module is located at the In the camping base station and/or the camping cell, the sixth radio frequency module is located in the anchor base station and/
  • a terminal comprising: a transmission unit configured to receive PDSCH data through a downlink shared physical channel PDSCH in a paging occasion corresponding to the terminal; and a processor configured to set the PDSCH
  • the data is inversely mapped to the downlink common transport channel, and the dedicated traffic channel DTCH and/or the dedicated control channel DCCH, and the downlink data transmitted by the base station is obtained.
  • the terminal is a terminal in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the downlink data is downlink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the processor is further configured to map the uplink data to the uplink common transport channel to obtain uplink common transport channel data; and map the uplink common transport channel data to the uplink shared physical channel PUSCH to obtain PUSCH data; And setting a third message based on the random access procedure to transmit the PUSCH data to the base station.
  • the terminal further includes at least one of: a memory, configured to reserve or store resources of the DTCH and/or DCCH related to the terminal-specific connection on the radio interface between the base station and the inter-terminal established in the RRC connection state, and Configuring information; retaining or storing the first identifier of the terminal; the transmitting unit is further configured to acquire a first identifier of the terminal that the base station reassigns for the terminal, and/or to obtain a downlink common transport channel and/or an uplink common transport channel.
  • a memory configured to reserve or store resources of the DTCH and/or DCCH related to the terminal-specific connection on the radio interface between the base station and the inter-terminal established in the RRC connection state, and Configuring information
  • the transmitting unit is further configured to acquire a first identifier of the terminal that the base station reassigns for the terminal, and/or to obtain a downlink common transport channel and/or an uplink common transport channel.
  • Configuration information where the configuration information includes: a downlink common transport channel and/or an uplink common transport channel configured by the base station for the cell, and/or mapping of the DTCH and/or DCCH of the terminal to the downlink common transport channel and/or the uplink common transport channel relationship.
  • the transmitting unit is configured to acquire, by using, the first identifier of the terminal that the base station re-allocates for the terminal, and/or obtain configuration information of the downlink common transport channel and/or the uplink common transport channel: Order or system message.
  • a storage medium is also provided.
  • the storage medium is configured to store program code configured to perform the following steps: mapping the downlink data to the first downlink common transmission channel pre-configured for the cell, obtaining the first downlink common transmission channel data, and then from the first downlink
  • the common transport channel data is mapped to the downlink shared physical channel PDSCH to obtain PDSCH data, and the PDSCH data is transmitted to the terminal in a paging occasion corresponding to the terminal.
  • a storage medium is also provided.
  • the storage medium is configured to store program code configured to perform the following steps: receiving PDSCH data through a downlink shared physical channel PDSCH in a paging occasion corresponding to the terminal; sequentially inversely mapping PDSCH data to a downlink common transport channel, and a dedicated traffic channel On the DTCH and/or the dedicated control channel DCCH, downlink data transmitted by the base station is obtained.
  • the data can be directly sent to the terminal based on the common transmission channel and the paging occasion, the data is transmitted through the state transition, and the UE in the RRC inactive state in the related art can be solved, and the downlink data cannot be directly received or sent.
  • the problem of uplink data saves signaling overhead and reduces transmission delay.
  • FIG. 1 is an architectural diagram of a mobile communication system in the related art
  • FIG. 3 is a schematic diagram of a conversion relationship between two states of RRC idle and RRC connected in the related art
  • FIG. 4 is a schematic flowchart of a data sending method according to an embodiment of the present disclosure.
  • FIG. 5 is a block diagram showing a hardware structure of a mobile terminal according to a data receiving method according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart diagram of a data receiving method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of logical channels, transport channels, and physical channels, and MAC (Medium Access Control) and PHY (Physical) protocol layer entities in an LTE system in the related art;
  • FIG. 8 is a schematic diagram of a mapping relationship between a logical channel, a transport channel, and a physical channel used by an eNB to transmit downlink data according to a preferred embodiment 1 of the present disclosure
  • FIG. 9 is a schematic diagram of a mapping relationship between a logical channel, a transport channel, and a physical channel used by a UE to transmit uplink data according to a preferred embodiment 1 of the present disclosure
  • Figure 10 is a block diagram 1 provided in accordance with a preferred embodiment 2 of the present disclosure.
  • FIG. 11 is a second structural diagram provided in accordance with a preferred embodiment 2 of the present disclosure.
  • Figure 12 is a block diagram 1 provided in accordance with a preferred embodiment 3 of the present disclosure.
  • Figure 13 is a second diagram of the architecture provided in accordance with a preferred embodiment 3 of the present disclosure.
  • FIG. 14 is a schematic diagram of state transitions between an RRC idle state, an RRC connected state, and an RRC inactive state, according to an embodiment of the present disclosure
  • 15 is a block diagram showing the structure of a data transmitting apparatus according to an embodiment of the present disclosure.
  • 16 is a block diagram showing the structure of a data receiving apparatus according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart of a data transmission method according to an embodiment of the present disclosure. As shown in FIG. :
  • Step S402 mapping the downlink data to the first downlink common transport channel pre-configured for the cell, obtaining the first downlink common transport channel data, and mapping from the first downlink common transport channel data to the downlink shared physical channel PDSCH. , obtaining PDSCH data;
  • Step S404 transmitting PDSCH data to the terminal in a paging occasion corresponding to the terminal.
  • the data can be directly sent to the terminal based on the downlink common transmission channel and the paging occasion, the data is transmitted through the state transition, and the UE in the RRC inactive state in the related art can be solved, and the downlink data cannot be directly received or
  • the problem of sending uplink data saves signaling overhead and reduces transmission delay.
  • the foregoing terminal is a terminal that is in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state. It should be noted that, for the characteristics of the RRC inactive state, reference may be made to the content described in the background art.
  • the downlink data is dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the foregoing method may further include at least one of: retaining or storing the base station and the terminal established when the RRC connection state is established. Resource and configuration information of the DTCH and/or DCCH associated with the terminal-specific connection on the inter-radio interface; retaining or storing the first identifier of the terminal; or re-allocating the first identifier of the terminal and transmitting the first identifier of the terminal Configuring the first downlink common transport channel for the cell, and transmitting the configuration information of the first downlink common transport channel to the terminal; wherein, the configuration information of the first downlink common transport channel includes: DTCH and/or The mapping relationship between the DCCH and the downlink common transport channel.
  • first identifier may be a scheduling identifier of the terminal, but is not limited thereto.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is the terminal transitioning from the RRC connected state to the RRC inactive state.
  • the cell in which the cell is located the camping cell is the cell in which the terminal is currently camped;
  • the mapping of the downlink data to the first downlink common transport channel pre-configured for the cell in step S402 may be performed as follows:
  • the downlink data is sent to the camping cell through the second downlink common transport channel and/or the second downlink common transport channel bearer, and carries the first identifier of the terminal;
  • the camped cell maps the received downlink data to And the first downlink common transport channel is a downlink common transport channel configured for the camped cell;
  • a common transport channel bearer is used to transmit the downlink data between the anchor cell and the camped cell.
  • the second downlink common transport channel and/or the second downlink common transport channel bearer is anchored at the anchor cell. Pre-established on the interface between the base station and the camping base station where the camping cell is located; in the case that the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second downlink common transport channel and/or The second downlink common transport channel bearer is pre-established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is converted from the RRC connection state by the terminal
  • the public transport channel includes: the anchor base station and/or the anchor cell transmitting the downlink data to the camping base station and/or the camping cell by using a signaling message, and carrying the first of the terminal Identifying; the camping base station and/or the camping cell mapping received downlink data to the first downlink common transport channel of the camped cell; wherein the signaling message is A pre-established signaling connection is sent on the interface between the anchor base station and the resident base station.
  • the foregoing first identifier may be that the anchor cell is allocated for the terminal.
  • the method may further include: determining a paging occasion according to the first identifier of the terminal or the second identifier of the terminal; and using the first identifier to perform physical downlink in the paging occasion
  • the control channel PDCCH dynamically schedules PDSCH resources to the terminal.
  • the first identifier may be a scheduling identifier of the terminal
  • the second identifier may be a paging identifier of the terminal, but is not limited thereto.
  • the method may further include: receiving PUSCH data by using an uplink shared physical channel (PUSCH); and inversely mapping the PUSCH data to a first uplink common transport channel that is pre-configured for a cell, to obtain a first uplink common transport channel. Data; inversely mapping the first uplink common transmission channel data to the DTCH and/or the DCCH to obtain uplink data.
  • PUSCH uplink shared physical channel
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • step S404 may occur after step S404, or inversely mapping the PUSCH data to the first uplink common transport channel pre-configured for the cell, to obtain the first uplink common transport channel data. It may occur simultaneously with step S402 and step S404 before the occurrence of step S402, but is not limited thereto.
  • the method may further include: configuring a first uplink common transport channel for the cell, and The configuration information of an uplink common transport channel is sent to the terminal, where the configuration information of the first uplink common transport channel includes: a mapping relationship between the DTCH and/or the DCCH and the uplink common transport channel.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is the cell where the terminal transits from the RRC connected state to the RRC inactive state.
  • the camping cell is a cell in which the terminal is currently camped; after the first uplink common transport channel data is inversely mapped to the DTCH and/or the DCCH to obtain the uplink data, the method further includes: the camping cell is configured to perform the uplink The data is sent to the anchor cell by using a second uplink common transport channel and/or a second uplink common transport channel bearer, and carries the first identifier of the terminal; the anchor cell receives the uplink data; The two uplink common transport channels and/or the second uplink common transport channel bearers are used to transmit the uplink data between the anchor cell and the camped cell.
  • the second uplink common transport channel and/or the second uplink common transport channel bearer is anchored at the anchor cell. Pre-established on the interface between the base station and the camping base station where the camping cell is located; in the same paging area as the anchor cell and the camping cell. In the case of different cells of the same base station, the second uplink common transport channel and/or the second uplink common transport channel bearer are established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is converted from the RRC connection state by the terminal
  • the method further includes: the camping base station and/or the camping cell transmitting the uplink data to the anchor by using a signaling message
  • the base station and/or the anchor cell simultaneously carrying the first identifier of the terminal; the anchor base station and/or the anchor cell receiving the uplink data; wherein the signaling message is indicated by the anchor base station and The pre-established signaling connection is sent on the interface between the camping base stations.
  • the PUSCH data or the first uplink transmission channel data or the uplink data includes: a first identifier of the terminal.
  • the foregoing PUSCH data and the first identifier may be sent by the terminal together, or may be separately sent at the same time, and is not limited thereto.
  • the PUSCH data sent by the terminal by the PUSCH includes: PUSCH data that is sent by the PUSCH receiving terminal according to the third message in the random access procedure.
  • the first identifier of the terminal is sent to the terminal by using the following manner, and/or the configuration information of the first downlink common transport channel is sent to the terminal: RRC signaling or system message. .
  • the configuration information of the first uplink common transport channel is sent to the terminal by using RRC signaling or a system message.
  • execution body of the foregoing steps may be a base station, but is not limited thereto.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present disclosure which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present disclosure.
  • FIG. 5 is a hardware structural block diagram of a mobile terminal of a data receiving method according to an embodiment of the present disclosure.
  • mobile terminal 50 may include one or more (only one shown) processor 502 (processor 502 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA)
  • a memory 504 configured to store data
  • a transmission device 506 configured as a communication function.
  • the structure shown in FIG. 5 is merely illustrative, and does not limit the structure of the above electronic device.
  • the mobile terminal 50 may also include more or fewer components than shown in FIG. 5, or have the same as FIG. Show different configurations.
  • the memory 504 can be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the data receiving method in the embodiment of the present disclosure, and the processor 502 executes each by executing a software program and a module stored in the memory 504.
  • a functional application and data processing, that is, the above method is implemented.
  • Memory 504 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 504 can further include memory remotely located relative to processor 502, which can be connected to mobile terminal 50 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 506 is arranged to receive or transmit data via a network.
  • the network example described above may include a wireless network provided by a communication provider of the mobile terminal 50.
  • transmission device 506 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • NIC Network Interface Controller
  • the transmission device 506 can be a Radio Frequency (RF) module configured to communicate with the Internet wirelessly.
  • RF Radio Frequency
  • FIG. 6 is a schematic flowchart of a data receiving method according to an embodiment of the present disclosure. As shown in FIG. 6, the method may include:
  • Step S602 receiving PDSCH data by using a downlink shared physical channel PDSCH in a paging occasion corresponding to the terminal;
  • Step S604 the PDSCH data is inversely mapped to the downlink common transport channel, and the dedicated traffic channel DTCH and/or the dedicated control channel DCCH, to obtain downlink data sent by the base station.
  • the data can be directly received based on the downlink common transmission channel and the paging occasion, the data is received by the state transition, and the UE in the RRC inactive state in the related art can be solved, and the downlink data cannot be directly received or sent.
  • the problem of data saves signaling overhead and reduces transmission delay.
  • the downlink data is downlink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the foregoing terminal may be a terminal that is in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the foregoing method may further include: mapping uplink data to an uplink common transport channel to obtain uplink common transport channel data; mapping the uplink common transport channel data to the uplink shared physical channel PUSCH to obtain PUSCH data;
  • the third message of the access procedure transmits the PUSCH data to the base station.
  • the step may occur simultaneously with the above step S602 and the above step S604, or may occur before step S602 and step S604, or may occur after step S602 and step S604, but is not limited thereto.
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the foregoing method may further include at least one of: the reserved or stored terminal-specific connection between the base station and the inter-terminal wireless interface established in the RRC connection state.
  • Resource and configuration information of the DTCH and/or DCCH retaining or storing the first identifier of the terminal; or acquiring the first identifier of the terminal re-allocated by the base station for the terminal; acquiring the configuration of the downlink common transport channel and/or the uplink common transport channel Information; wherein the configuration information includes: a downlink common transport channel and/or an uplink common transport channel configured by the base station for the cell, and/or a mapping relationship between the DTCH and/or the DCCH of the terminal and the downlink common transport channel and/or the uplink common transport channel.
  • the foregoing step S602 may be performed to: determine a paging occasion according to the first identifier or the second identifier of the terminal; and monitor, by using the first identifier, the uplink control physical channel PUCCH in the paging occasion; according to the PUCCH
  • the scheduled PDSCH resources determine the PDSCH; the PDSCH data is received through the PDSCH.
  • the first identifier of the terminal re-allocated by the base station and/or the configuration information of the downlink common transport channel and/or the uplink common transport channel may be acquired by: RRC signaling or system message.
  • the first identifier may be a scheduling identifier of the terminal
  • the second identifier may be a paging identifier of the terminal, but is not limited thereto.
  • the anchor cell and the camping cell are the same cell, where the anchor cell is the cell where the terminal transits from the RRC connected state to the RRC inactive state, and the resident cell is the terminal.
  • the currently camped cell; the anchor cell and the camping cell are different base stations in the same paging area or different cells of the same base station.
  • the execution body of the foregoing steps may be a terminal, but is not limited thereto.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present disclosure which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present disclosure.
  • a preferred embodiment of the present disclosure provides a method for directly performing downlink receipt reception and uplink data transmission in a RRC inactive state or a supported RRC state, and the method includes:
  • the eNB For the UE in the RRC inactive state, in order for the UE to perform state transition without performing state transition, and directly performing downlink data reception and uplink data transmission in the state, the eNB performs the following operations:
  • the common transport channel for transmitting downlink data is a downlink common transport channel, and the common transport channel for transmitting uplink data may be an uplink common transport channel;
  • the downlink common transmission channel is used to transmit data and the downlink common transmission channel data is mapped to the downlink shared physical channel, and the paging occasion corresponding to the specific identifier in the cell dynamically schedules the downlink shared physical channel by using the specific identifier.
  • the resource sends downlink data to the UE;
  • a paging area is configured for the UE in the RRC inactive state, the paging area including one or more cells of one or more eNBs.
  • the eNB and the cell when the UE transitions from the RRC connected state to the RRC inactive state are anchor eNBs, and the eNB and the cell currently camped by the UE are the camping eNB and the camping cell;
  • the anchor cell of the anchor eNB and the cell of the other eNBs in the paging area establish a bearer of the downlink common transport channel and/or the uplink common transport channel on the interface between the eNBs, respectively Data of a downlink common transport channel and/or an uplink common transport channel is carried between cells of different eNBs;
  • the process of establishing a downlink common transmission bearer and/or an uplink common transmission bearer between the anchor cell of the anchor eNB and other cells is implemented inside the anchor eNB;
  • the anchor eNB transmits the downlink common transport channel data to the cell in another eNB of the paging area by using the downlink common transport channel bearer on the inter-eNB interface;
  • the uplink common transport channel data received by the cell of the other eNB is carried by the uplink common transport channel on the inter-eNB interface, and the uplink common transport channel is inversely mapped to the dedicated service and/or the control logical channel, thereby transmitting the data to the core network.
  • the paging message is sent by the PDCCH scheduling with the paging identifier at the paging occasion corresponding to the UE specific identifier.
  • the eNB may perform the following steps:
  • the uplink shared physical channel Receiving, by the uplink shared physical channel, the uplink data sent by the UE in the third message according to the random process, and inversely mapping the uplink shared physical channel data to the uplink common transport channel, and transmitting the uplink common transport channel data through the eNB.
  • the uplink common transport channel bearer on the interface is sent to the cell in another eNB;
  • a paging area is configured for the UE in the RRC inactive state, the paging area including one or more cells of one or more eNBs.
  • the eNB and the cell when the UE transitions from the RRC connected state to the RRC inactive state are anchor eNBs, and the eNB and the cell currently camped by the UE are the camping eNB and the camping cell;
  • the anchor cell of the anchor eNB and all the cells of other eNBs in the paging area establish a bearer of the downlink common transport channel and/or the uplink common transport channel on the interface between the eNBs, respectively Carrying data of a downlink common transport channel and/or an uplink common transport channel between cells of different eNBs;
  • the paging message is sent by the PDCCH scheduling with the paging identifier at the paging occasion corresponding to the UE specific identifier.
  • the UE in order for the UE to perform state transition without performing state transition, and directly performing downlink data reception and uplink data transmission in the state, performs the following steps:
  • Receiving configuration information related to the common transport channel sent by the eNB including: a common transport channel for downlink data transmission and uplink data reception configured by the eNB; mapping the dedicated service and/or control logical channel of the UE to the downlink common transport channel and/or Receiving on the uplink common transmission channel; receiving the UE specific identifier in the RRC inactive state;
  • the UE uses the uplink common transmission channel data to transmit data and maps the uplink common transmission channel data to the uplink shared physical channel, and sends uplink data to the eNB in the third message based on the random process;
  • a paging area is configured for a UE in a RRC inactive state, the paging area comprising one or more cells of one or more eNBs.
  • the eNB and the cell when the UE transitions from the RRC connected state to the RRC inactive state are anchor eNBs, and the eNB and the cell currently camped by the UE are the camping eNB and the camping cell;
  • the configuration information related to the common transport channel in the cell is obtained through the system message.
  • the UE monitors the PDCCH with a paging identifier to receive a paging message at a paging occasion corresponding to the specific identifier.
  • a UE in a RRC inactive state can directly receive and transmit data based on a common transport channel and a paging occasion, thereby avoiding signaling overhead and transmission delay caused by receiving and transmitting data through state transition.
  • the power consumption of the UE is reduced, especially for the infrequent packet service, thereby significantly improving system performance.
  • the RRC management state of the UE in the radio access system includes three states of RRC idle, RRC inactive, and RRC connected, wherein the RRC idle, RRC inactive, and RRC connected states will have at least background Functional and performance characteristics described in the technology.
  • a preferred embodiment of the present disclosure will provide a UE directly in an RRC inactive state or an RRC state in which the supported functions and resource configurations are similar.
  • FIG. 7 is a schematic diagram of a logical channel, a transport channel, and a physical channel, and a MAC (Medium Access Control) and PHY (Physical) protocol layer entity in the LTE system in the related art. As shown in FIG.
  • the MAC entity receives Logical channel data, processed by MAC, and then mapped to the corresponding transport channel; the PHY entity receives the transport channel data, processes it through the PHY, and then maps the data to the corresponding physical channel; on the receiving side, the physical entity receives the physical The channel data is inversely mapped by the PHY to map the data to the transmission channel; the MAC entity receives the transmission channel data, and inversely maps the data to the logical channel through MAC inverse processing.
  • mapping/inverse mapping or transmitting/receiving logical channels, transport channels or physical channels and mapping/inverse mapping or transmitting/receiving logical channel data, transport channel data or physical channel data is expressed.
  • the preferred embodiment is applied to the case where the UE stays in the same cell after a cell transitions from the RRC connected state to the RRC inactive state.
  • the eNB releases the configuration information of the UE's dedicated connection of the Uu interface of the UE and the UE context, especially for the Uu interface.
  • the radio resource and its configuration information, other Uu interface dedicated connection related resources and configuration information in the UE context are reserved; correspondingly, on the UE side, part of the dedicated connection of the UE's Uu interface and the UE context are also released.
  • the configuration information, especially the dedicated radio resource of the Uu interface and its configuration information, and other Uu interface dedicated connection related resources and configuration information in the UE context are reserved.
  • the eNB and the UE reserve the first identifier allocated by the eNB for the UE, or the eNB re-allocates the first identifier to the UE, and locally stores and sends the identifier to the UE.
  • the CN When there is data to be sent to the UE from the network side point to point, the CN sends the data to the eNB.
  • the eNB When the UE is in the RRC inactive state, the eNB completely or selectively reserves the resources of the DTCH (Dedicated Traffic Channel) and the DCCH (Dedicated Control Channel) logical channel established when the UE is in the RRC connected state. / or configuration information, the characteristics of these logical channels are the same or similar to the DTCH and DCCH in the LTE system. Therefore, the eNB will transmit the data using reserved DTCH or DCCH logical channel resources and/or configuration information.
  • DTCH Dedicated Traffic Channel
  • DCCH Dedicated Control Channel
  • the eNB establishes one or more downlink common transport channels DL-TCH (DonLink Common Channel) in a cell (also referred to as a certain shared channel in the name), and allocates corresponding resources and configurations.
  • DL-TCH DonLink Common Channel
  • Information when the UE is in the RRC inactive state, the eNB maps the downlink DTCH and DCCH logical channel data of the UE to the DL-TCH transport channel for transmission.
  • the eNB maps the DL-TCH transport channel data to a Physical Downlink Shared Channel (PDSCH), which is the same or similar to the PDSCH channel characteristics in the LTE system.
  • PDSCH Physical Downlink Shared Channel
  • the UE When the UE is in the RRC inactive state, it will listen to the downlink control at the paging occasion corresponding to the UE.
  • a physical channel PDCCH Physical Downlink Control Channel
  • the PDCCH channel has the same or similar PDCCH channel characteristics in the LTE system, so the eNB may determine a paging occasion based on the first identifier or the UE third identifier, and use the paging occasion at the paging occasion.
  • An identifier dynamically allocates a PDSCH channel to a resource UE on a downlink control physical channel PDCCH, and sends data to the UE through the downlink service physical channel.
  • the eNB may use the blind retransmission mechanism to transmit data multiple times, that is, use the first identifier to dynamically allocate the downlink service physical channel PDSCH transmission data through the PDCCH dynamic scheduling.
  • the third identifier is the UE identifier used in the paging process.
  • FIG. 8 is a schematic diagram of a mapping relationship between a logical channel, a transport channel, and a physical channel used by an eNB to transmit downlink data according to a preferred embodiment of the present disclosure. As shown in FIG. 8, where DTCH and DCCH logical channels are mapped to a DL-TCH transport channel, The DL-TCH transport channel is mapped to the PDSCH physical channel.
  • the UE in the RRC inactive state has previously obtained the resource and configuration information of the downlink common channel DL-TCH allocated by the eNB for the UE through the cell system information or the specific RRC signaling message, and the logic corresponding to the network side eNB.
  • the mapping relationship between the channel, the transport channel, and/or the physical channel configures the information, and the UE retains all or selectively the resources and/or configuration information of the DTCH and DCCH logical channels established by the UE in the RRC connected state.
  • the UE monitors the downlink control physical channel PDCCH with the first identifier according to the paging occasion corresponding to the first identifier or the third identifier, and receives the PDSCH channel according to the allocation information on the PDCCH channel, thereby receiving the DL-TCH transmission channel data, and receiving the DTCH or the DCCH.
  • the UE When the UE needs to transmit a little bit of uplink data, since the UE in the RRC inactive state all or selectively retains the resources and/or configuration information of the DTCH and DCCH logical channels established when the UE is in the RRC connected state, the UE will The data is transmitted using reserved DTCH or DCCH logical channel resources and/or configuration information.
  • the eNB establishes one or more uplink common transport channels UL-TCH (UpLink Common Channel) in a cell (also referred to as a certain shared channel in the name), and allocates corresponding resources and configurations.
  • UL-TCH UpLink Common Channel
  • Information when the UE is in the RRC inactive state, the eNB will configure the UE to map the uplink DTCH and DCCH logical channel data to the UL-TCH transport channel for transmission.
  • the UE will initiate a random access procedure for uplink data transmission, which is similar to the random access procedure of the LTE system.
  • the UE maps the UL-TCH transport channel data to the PUSCH (Physical Uplink Shared Channel), and uses the MSG3 to transmit the uplink data to the eNB through the PUSCH channel, and carries the first identifier, where the PUSCH channel and the PUSCH in the LTE system are used.
  • the channel characteristics are the same or similar.
  • the UE may transmit data multiple times by using a blind retransmission mechanism, that is, using multiple identical or different PUSCH channel resources to transmit data.
  • FIG. 9 is a schematic diagram of a mapping relationship between a logical channel, a transport channel, and a physical channel used by a UE to transmit uplink data according to a preferred embodiment of the present disclosure, as shown in FIG. 9, where DTCH and DCCH logical channels are mapped to UL-TCH.
  • the transport channel, the UL-TCH transport channel is mapped to the PUSCH physical channel.
  • the UE obtains the resource and configuration information of the uplink common transport channel UL-TCH allocated by the eNB for the UE by using the cell system information or the specific RRC signaling message, and the logical channel, the transmission channel, and/or Physical channel mapping relationship configuration information.
  • the eNB will map the data to the UL-TCH transport channel, map the UL-TCH transport channel data to the DTCH or DCCH logical channel, and according to the The DTCH or DCCH logical channel configuration information of the UE transmits data to the CN.
  • the preferred embodiment is applied to the case where the UE moves to another cell eNB after the cell 1 of one eNB transitions from the RRC connected state to the RRC inactive state, but the two cells belong to the same paging area.
  • the cell 1 is referred to as an anchor cell
  • the eNB in which it is located is referred to as an anchor eNB
  • the cell 2 is referred to as a camping cell
  • the eNB to which it belongs is referred to as a camping eNB.
  • the UE autonomous control in the RRC inactive state moves from the anchor cell of the anchor eNB to the camped cell of the camping eNB.
  • the anchor eNB and the anchor cell are the same as the first embodiment.
  • the eNB releases the partial resources of the dedicated connection of the Uu interface of the UE and the configuration information in the UE context, especially the dedicated radio resource of the Uu interface and
  • the configuration information, the resources related to the other connection of the Uu interface, and the configuration information in the UE context are reserved; correspondingly, on the UE side, part of the resources of the dedicated connection of the Uu interface of the UE and the configuration information in the UE context are also released.
  • the dedicated radio resources of the Uu interface and their configuration information, other Uu interface dedicated connection related resources and configuration information in the UE context are reserved.
  • the eNB and the UE reserve the first identifier allocated by the eNB for the UE; the eNB and the UE all or selectively reserve the DTCH (Dedicated Traffic Channel) and the DCCH (Dedicated Traffic Channel) established by the UE in the RRC connected state.
  • Channel, dedicated control channel The resource and/or configuration information of the logical channel, which is the same or similar to the DTCH and DCCH in the LTE system.
  • FIG. 10 is an architectural diagram 1 provided according to a preferred embodiment 2 of the present disclosure. As shown in FIG.
  • an anchor eNB is established on the Xn interface between the eNB and all other eNBs in the paging area.
  • One or more DL-TCH transport channels and/or transport channel bearers from the anchor cell to other paging area cells are referred to as downlink common transport bearers, which will transmit downlink data of the UE from the anchor cell of the anchor eNB to The cells of all other eNBs included in the paging area.
  • the anchor eNB sends the downlink data of the UE to the other one or more eNBs and cells of the paging area through the downlink public transmission bearer, together with the data, in the same manner as in the first embodiment, while the anchor cell transmits the downlink data of the UE.
  • the sending includes at least a second identifier of the UE, and the second identifier may be the same as or different from the first identifier.
  • the downlink data includes one or more downlink dedicated control logical channel DCCH data or dedicated service logical channel DCCH data.
  • the other eNBs in the paging area also establish one or more downlink common transmission channels DL-TCH in each cell, and allocate corresponding resources and configuration information.
  • the downlink data of the UE is mapped to the DL-TCH of the cell. The transmission is performed on the transmission channel.
  • the anchor eNB and/or the anchor cell may also send downlink data to other eNBs and cells through a pre-established signaling connection on the Xn interface, and other eNBs and cells map the received downlink data to the DL of the cell. Transmission on the -TCH transport channel.
  • the eNB maps the DL-TCH transport channel data onto the physical downlink shared channel PDSCH. And the eNB and the cell allocate the downlink service physical channel PDSCH resource to the UE on the downlink control physical channel PDCCH by using the second identifier at the paging occasion corresponding to the second identifier or the third identifier of the UE, and by using the DL-TCH of the UE.
  • the downlink data on the transport channel is mapped to the PDSCH channel to transmit data to the UE.
  • the third identifier is the UE identifier used in the paging process.
  • the UE in the RRC inactive state has previously obtained the resource and configuration information of the downlink common channel DL-TCH allocated by the eNB for the UE through the cell system information or the specific RRC signaling message, and the logic corresponding to the network side eNB.
  • the mapping relationship between the channel, the transport channel, and/or the physical channel configures the information, and the UE retains all or selectively the resources and/or configuration information of the DTCH and DCCH logical channels established by the UE in the RRC connected state.
  • the UE monitors the downlink control physical channel PDCCH with the second identifier according to the second identifier or the paging occasion corresponding to the third identifier of the UE, and receives the PDSCH channel according to the allocation information on the PDCCH channel, thereby receiving the DL-TCH transmission channel data, and receiving the DTCH or DCCH logical channel to receive downlink data.
  • the UE in the RRC inactive state completely or selectively reserves the resources of the DTCH and DCCH logical channels established when the UE is in the RRC connected state. / or configuration information, therefore, the UE will transmit the data using reserved DTCH or DCCH logical channel resources and/or configuration information.
  • the eNB establishes one or more uplink common transport channels UL-TCH (UpLink Common Channel) in a cell (also referred to as a certain shared channel in the name), and allocates corresponding resources and configurations.
  • UL-TCH UpLink Common Channel
  • Information when the UE is in the RRC inactive state, the eNB will configure the UE to map the uplink DTCH and DCCH logical channel data to the UL-TCH transport channel for transmission.
  • the UE will initiate a random access procedure for uplink data transmission, which is similar to the random access procedure of the LTE system.
  • the UE maps the UL-TCH transport channel data to the PUSCH (Physical Uplink Shared Channel), and uses the MSG3 to transmit the uplink data to the eNB through the PUSCH channel, and carries the second identifier, where the PUSCH channel and the PUSCH in the LTE system are used.
  • the channel characteristics are the same or similar.
  • the UE may transmit data multiple times by using a blind retransmission mechanism, that is, using multiple identical or different PUSCH channel resources to transmit data.
  • the anchor eNB establishes one or more anchor cells to other paging area cells on the Xn interface between the eNBs and all other eNBs in the paging area.
  • the UL-TCH transport channel and/or transport channel bearer will transmit the data received by the UE from the UL-TCH transport channel from the cell of one eNB in the paging area to the anchor eNB.
  • the anchor cell therefore, the camping eNB and the cell transmit data received from the UL-TCH transport channel to the anchor eNB and the anchor cell through the uplink common transport bearer, while carrying the second specific identifier of the UE.
  • the uplink data includes one or more uplink dedicated control logical channel DCCH data or dedicated service logical channel DCCH data.
  • the anchor eNB and the anchor cell When the anchor eNB and the anchor cell receive the uplink data sent by the UE in the RRC inactive state from the other eNB and the cell in the uplink common transmission bearer, the data is inversely mapped to the DTCH or DCCH logical channel, and according to the DTCH of the UE. And DCCH logical channel configuration information, the data is sent to the CN.
  • the camping eNB and/or the camping cell may also send uplink data to the anchor eNB and/or the anchor cell through a pre-established signaling connection on the Xn interface, and the anchor eNB and/or the anchor cell will receive The uplink data is inversely mapped to the DTCH or DCCH logical channel.
  • the preferred embodiment is applied to the case where the UE moves to another cell 2 after the cell 1 of one eNB transitions from the RRC connected state to the RRC inactive state, but the two cells belong to the same eNB and paging area.
  • the cell 1 is called an anchor cell
  • the eNB where it is located is called an anchor eNB
  • the cell 2 is called a camping cell.
  • FIG. 12 is an architectural diagram 1 provided in accordance with a preferred embodiment 3 of the present disclosure
  • FIG. 13 is an architectural diagram 2 provided in accordance with a preferred embodiment 3 of the present disclosure, as shown in FIGS. 12 and 13, and preferably implemented.
  • the difference between the example 2 is that the establishment process of the downlink common transmission bearer and/or the uplink common transmission bearer between the anchor cell and other cells is implemented inside the anchor eNB.
  • the other processing procedure is the same as that of the preferred embodiment 2.
  • the eNB sends a paging message to the UE by using a paging identifier (common paging identifier) in the paging occasion corresponding to the third identifier, and correspondingly, the UE corresponds to the third specific identifier.
  • the paging occasion monitors the PDCCH channel with a paging identifier to receive the paging message.
  • the third specific identifier is the same as or different from the first specific identifier; when the UE receives the paging message, the UE performs corresponding operations according to the content of the paging message, and the process is called a paging process, and the paging process of the LTE system.
  • an RRC connection setup procedure is initiated, an RRC connected state is entered, or a system message update is received.
  • the UE may also listen to the first or second on the PDCCH channel of the paging occasion corresponding to the third paging identifier, in addition to listening to the paging identifier and correspondingly receiving the paging message on the PDSCH. The identity and corresponding downlink receipt on the PDSCH are received accordingly.
  • first identifier and the second identifier in the preferred embodiments 1 to 3 are similar to the first identifier of the terminal in the foregoing embodiment and/or the claim, and are used for scheduling of the terminal, and the preferred embodiment.
  • the third identifier of 1 to 3 is similar to the second identifier of the terminal in the above embodiment and/or the claims, and is used to determine the paging occasion for transmitting the paging message, but is not limited thereto.
  • FIG. 14 is an RRC idle state, an RRC connection state, and an RRC inactive state according to an embodiment of the present disclosure.
  • a data transmitting apparatus is further provided, and the apparatus is configured to implement the foregoing embodiments and preferred embodiments, and the description thereof has been omitted.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the apparatus includes:
  • the first mapping module 1502 is configured to sequentially map the downlink data to the first downlink common transport channel and the downlink shared physical channel PDSCH that are pre-configured for the cell, to obtain PDSCH data.
  • the first sending module 1504 is connected to the first mapping module 1502, and is configured to send PDSCH data to the terminal in a paging occasion corresponding to the terminal.
  • the device can directly send data to the terminal based on the downlink common transmission channel and the paging occasion, and avoids transmitting data through state transition, thereby solving the UE in the RRC inactive state in the related art, and cannot directly receive downlink data or send.
  • the problem of uplink data saves signaling overhead and reduces transmission delay.
  • the foregoing terminal is a terminal that is in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state. It should be noted that, for the characteristics of the RRC inactive state, reference may be made to the content described in the background art.
  • the downlink data is dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the apparatus further includes at least one of the following: a first configuration module configured to configure a first downlink common transport channel for the cell, and/or to reconfigure the terminal for the terminal An identifier; wherein the configured first downlink common transport channel has a mapping relationship with the DTCH and/or the DCCH; and the storage module is configured to reserve or store the terminal and the terminal-to-terminal wireless interface established in the RRC connected state
  • a first configuration module configured to configure a first downlink common transport channel for the cell, and/or to reconfigure the terminal for the terminal An identifier
  • the configured first downlink common transport channel has a mapping relationship with the DTCH and/or the DCCH
  • the storage module is configured to reserve or store the terminal and the terminal-to-terminal wireless interface established in the RRC connected state
  • the resources and configuration information of the DTCH and/or DCCH associated with the dedicated connection; and the first identity is reserved or stored.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is the cell where the terminal transits from the RRC connected state to the RRC inactive state.
  • the camping cell is a cell that the terminal currently camps on;
  • the first mapping module includes: a first sending unit, configured to send the downlink data to the host by using the second downlink common transport channel and/or the second downlink common transport channel bearer And the first mapping unit is configured to map the received downlink data to the first downlink public transmission channel; wherein the first downlink public The transport channel is a downlink common transport channel configured for the camped cell; the second downlink common transport channel and/or the second downlink common transport channel bearer is used to transmit between the anchor cell and the camped cell
  • the downlink data is, where the first sending unit is located in the anchor cell, and the first mapping unit is located in the camping cell.
  • the second downlink common transport channel and/or the second downlink common transport channel bearer is anchored at the anchor cell. Pre-established on the interface between the base station and the camping base station where the camping cell is located; in the case that the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second downlink common transport channel and/or The second downlink common transport channel bearer is pre-established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is converted from the RRC connection state by the terminal
  • the first mapping module includes: a second sending unit, configured to send the downlink data to the camping base station and/or the camping cell by using a signaling message, and carrying the first identifier of the terminal;
  • the second mapping unit is configured to Receiving the next row of data mapped onto the first downlink common transport channel of the camped cell; wherein the signaling message is indicated by an interface between the anchor base station and the camping base station Transmitted by a pre-established signaling connection; wherein the second transmitting unit is located in the anchor base station and/or the anchor cell, the second mapping unit is located in the resident base
  • the foregoing first identifier is that the anchor cell is allocated by the terminal.
  • the apparatus further includes: a determining module, configured to determine a paging occasion according to the first identifier of the terminal or the second identifier of the terminal; the scheduling module is connected to the determining module, and is set to be in a paging occasion
  • the PDSCH resource is dynamically scheduled to the terminal through the physical downlink control channel PDCCH by using the first identifier.
  • the foregoing apparatus may further include: a second receiving module configured to receive PUSCH data by using an uplink shared physical channel PUSCH; and a second mapping module, connected to the second receiving module, configured to set PUSCH data
  • the first uplink common transport channel data is obtained by inverse mapping to the first uplink common transport channel pre-configured for the cell; and the first uplink common transport channel data is inversely mapped to the DTCH and/or the DCCH to obtain uplink data.
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the apparatus may further include: a second configuration unit configured to configure a first uplink common transport channel for the cell; wherein the configured first uplink common transport channel has a mapping with the DTCH and/or the DCCH relationship.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is the cell where the terminal transits from the RRC connected state to the RRC inactive state.
  • the camping cell is a cell that the terminal currently camps on; the device further includes: a second sending module, configured to send the uplink data to the second uplink common transport channel and/or the second uplink common transport channel bearer
  • the anchor cell carries the first identifier of the terminal;
  • the third receiving module is configured to receive the uplink data; wherein the second uplink common transport channel and/or the second uplink common transport channel bearer is used to Transmitting the uplink data between the anchor cell and the camping cell; wherein the second sending module is located in the camping cell, the first receiving module Located in the anchor cell.
  • the second uplink common transport channel and/or the second uplink common transport channel bearer is anchored at the anchor cell. Pre-established on the interface between the base station and the camping base station where the camping cell is located; in the case that the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second uplink common transport channel and/or The second uplink common transport channel bearer is established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is converted from the RRC connection state by the terminal
  • the device further includes: a sending module, configured to send the uplink data to the anchor base station and/or the anchor cell by using a signaling message, and carrying a first identifier of the terminal; and a fourth receiving module, configured as the anchor base station / or the anchor cell receives the uplink data; wherein the signaling message is sent by a pre-established signaling connection on an interface between the anchor base station and the resident base station;
  • a three transmitting module is located in the camping base station and/or the camping cell, and the second receiving module is located in the anchor base station and/or the anchor cell.
  • the foregoing second receiving module may be further configured to receive PUSCH data sent by the PUSCH based on the third message in the random access procedure.
  • the apparatus further includes: a second sending module, configured to send the first identifier of the terminal to the terminal, and/or configure the first downlink common transport channel by: The information is sent to the terminal: RRC signaling or system message; or is configured to send configuration information of the first uplink common transport channel to the terminal by using RRC signaling or a system message.
  • a second sending module configured to send the first identifier of the terminal to the terminal, and/or configure the first downlink common transport channel by: The information is sent to the terminal: RRC signaling or system message; or is configured to send configuration information of the first uplink common transport channel to the terminal by using RRC signaling or a system message.
  • the foregoing apparatus may be a base station, but is not limited thereto.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • a data receiving device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and will not be described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 16 is a structural block diagram of a data receiving apparatus according to an embodiment of the present disclosure. As shown in FIG. 16, the apparatus includes:
  • the receiving module 1602 is configured to receive PDSCH data by using a downlink shared physical channel PDSCH in a paging occasion corresponding to the terminal;
  • the first mapping module 1604 is connected to the receiving module 1602, and is configured to inversely map the PDSCH data to the downlink common transport channel, and the dedicated traffic channel DTCH and/or the dedicated control channel DCCH, to obtain the base station. Downstream data sent.
  • the above-mentioned device can directly receive data based on the downlink common transmission channel and the paging occasion, and avoids receiving data through state transition, thereby solving the UE in the RRC inactive state in the related art, and cannot directly receive downlink data or send uplink.
  • the problem of data saves signaling overhead and reduces transmission delay.
  • the foregoing terminal may be a terminal that is in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the downlink data is downlink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the foregoing apparatus may further include: a second mapping module configured to map uplink data to an uplink common transport channel to obtain uplink common transport channel data; and map uplink common transport channel data to an uplink shared physical channel PUSCH
  • the PUSCH data is obtained, and the sending module is connected to the second mapping module, and is configured to send the PUSCH data to the base station according to the third message of the random access procedure.
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the foregoing apparatus may further include at least one of: a storage module configured to reserve or store a terminal-specific connection between the base station and the inter-terminal wireless interface established in an RRC connection state.
  • the resource and configuration information of the DTCH and/or the DCCH is reserved or stored;
  • the obtaining module is configured to acquire the first identifier of the terminal that the base station reassigns for the terminal, and/or to obtain the downlink common transmission channel and And configuration information of the uplink common transmission channel;
  • the configuration information includes: a downlink common transport channel and/or an uplink common transport channel configured by the base station for the cell, and/or a DTCH and/or DCCH and a downlink common transport channel of the terminal and/or Or the mapping relationship of the uplink common transport channel.
  • the receiving module 1602 may be further configured to determine a paging occasion according to the first identifier or the second identifier of the terminal, and monitor the uplink control physical channel PUCCH by using the first identifier in the paging occasion; and according to the PDSCH scheduled on the PUCCH.
  • the resource determines the PDSCH; and receives the PDSCH data through the PDSCH.
  • the acquiring module is configured to acquire, by using the following manner, a first identifier of a terminal that is re-allocated by the base station for the terminal, and/or obtain configuration information of the downlink common transport channel and/or an uplink common transport channel: Order or system message.
  • the first identifier may be a scheduling identifier of the terminal
  • the second identifier may be a paging identifier of the terminal, but is not limited thereto.
  • the anchor cell and the camping cell are the same cell, where the anchor cell is a cell where the terminal transits from the RRC connected state to the RRC inactive state, and the resident cell is the terminal.
  • the currently camped cell; the anchor cell and the camping cell are different base stations in the same paging area or different cells of the same base station.
  • each of the above modules can be implemented by software or hardware, and for the latter, The following manners are implemented, but are not limited thereto: the above modules are all located in the same processor; or, the above modules are respectively located in different processors in any combination.
  • FIG. 17 is a schematic structural diagram of a base station according to an embodiment of the present disclosure. As shown in FIG. 17, the base station includes:
  • the processor 1702 is configured to sequentially map the downlink data to the first downlink common transport channel and the downlink shared physical channel PDSCH that are pre-configured for the cell, to obtain PDSCH data.
  • the transmitting unit 1704 is connected to the processor 1702 and configured to transmit the PDSCH data to the terminal within a paging occasion corresponding to the terminal.
  • the base station can directly send data to the terminal based on the downlink common transmission channel and the paging occasion, and avoids transmitting data through state transition, thereby solving the UE in the RRC inactive state in the related art, and cannot directly receive downlink data or send.
  • the problem of uplink data saves signaling overhead and reduces transmission delay.
  • the foregoing terminal is a terminal that is in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state. It should be noted that, for the characteristics of the RRC inactive state, reference may be made to the content described in the background art.
  • the downlink data is dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the foregoing base station may further include at least one of: a configuration unit configured to configure a first downlink common transport channel for the cell, and/or to reconfigure the first of the terminal for the terminal An identifier; wherein the configured first downlink common transport channel has a mapping relationship with the DTCH and/or the DCCH; and the memory is configured to reserve or store the terminal-specific connection between the base station and the inter-terminal wireless interface established in the RRC connected state Resource and configuration information of the associated DTCH and/or DCCH; and retaining or storing the first identity.
  • a configuration unit configured to configure a first downlink common transport channel for the cell, and/or to reconfigure the first of the terminal for the terminal An identifier
  • the configured first downlink common transport channel has a mapping relationship with the DTCH and/or the DCCH
  • the memory is configured to reserve or store the terminal-specific connection between the base station and the inter-terminal wireless interface established in the RRC connected state Resource and configuration information of the associated DTCH and/or DCCH
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is the cell where the terminal transits from the RRC connected state to the RRC inactive state.
  • the camping cell is a cell in which the terminal is currently camped;
  • the processor 1702 includes: a first radio frequency module, configured to send the downlink data to the host by using the second downlink common transport channel and/or the second downlink common transport channel bearer And the first processor is configured to map the received downlink data to the first downlink public transmission channel; wherein the first downlink public The transport channel is a downlink common transport channel configured for the camped cell; the second downlink common transport channel and/or the second downlink common transport channel bearer is used to transmit between the anchor cell and the camped cell
  • the downlink data is, where the first radio frequency module is located in the anchor cell, and the first processor is located in the camping cell.
  • the second downlink common transport channel and/or the second downlink common transport channel bearer is anchored at the anchor cell.
  • the second downlink common transport channel and/or Second downlink common transmission channel bearer It is pre-established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is the terminal transitioning from the RRC connected state to the RRC inactive state.
  • the cell in which the anchor cell belongs is the anchor base station
  • the camped cell is the cell currently camped by the terminal
  • the base station to which the camping cell belongs is the camping base station;
  • the processor 1702 includes: a second radio frequency module, And configured to send the downlink data to the camping base station and/or the camping cell by using a signaling message, and carrying the first identifier of the terminal;
  • the second processor is configured to receive the following Field data is mapped onto the first downlink common transport channel of the camped cell; wherein the signaling message is pre-established signaling over an interface between the anchor base station and the camping base station And transmitting, wherein the second radio frequency module is located in the anchor base station and/or the anchor cell, and the second processor is located in the camping base station and/or the camping cell.
  • the foregoing first identifier is that the anchor cell is allocated by the terminal.
  • the foregoing base station may further include: a scheduling unit, configured to determine a paging occasion according to the first identifier of the terminal or the second identifier of the terminal; and use the first identifier to be physically down in the paging occasion
  • the PDSCH resource is dynamically scheduled on the control channel PDCCH to the terminal.
  • the foregoing transmission unit 1704 may be further configured to receive PUSCH data by using an uplink shared physical channel (PUSCH).
  • the processor 1702 may further be configured to inversely map the PUSCH data to a first uplink that is pre-configured for the cell. a common transport channel, the first uplink common transport channel data is obtained; and the first uplink common transport channel data is inversely mapped to the DTCH and/or the DCCH to obtain uplink data.
  • PUSCH uplink shared physical channel
  • the uplink data is uplink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the processor 1702 may be further configured to configure a first uplink common transport channel for the cell, where the configured first uplink common transport channel has a mapping relationship with the DTCH and/or the DCCH.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is the cell where the terminal transits from the RRC connected state to the RRC inactive state.
  • the camping cell is a cell in which the terminal is currently camped; the base station further includes: a third radio frequency module, configured to send the uplink data to the bearer by using a second uplink common transport channel and/or a second uplink common transport channel bearer
  • the anchor cell carries the first identifier of the terminal; the fourth radio frequency module is configured to receive the uplink data; wherein the second uplink common transport channel and/or the second uplink common transport channel bearer are used in the Transmitting the uplink data between the anchor cell and the camping cell; wherein the third radio frequency module is located in the camping cell, and the fourth radio frequency module is located in the anchor cell.
  • the second uplink common transport channel and/or the second uplink common transport channel bearer is anchored at the anchor cell. a pre-established on the interface between the base station and the camping base station where the camping cell is located; in the case that the anchor cell and the camping cell are different cells of the same base station in the same paging area, the second uplink common transport channel and/or the second The uplink common transport channel bearer is established inside the anchor base station.
  • the anchor cell and the camping cell are different base stations in the same paging area or different cells in the same base station, where the anchor cell is converted from the RRC connection state by the terminal
  • the base station further includes: the fifth radio frequency a module, configured to send the uplink data to the anchor base station and/or the anchor cell by using a signaling message, and carrying a first identifier of the terminal; a sixth radio frequency module, configured for the anchor base station and/or Or the anchor cell receives the uplink data; wherein the signaling message is sent by a pre-established signaling connection on an interface between the anchor base station and the camping base station; wherein the fifth A radio frequency module is located in the camping base station and/or the camping cell, and the sixth radio frequency module is located in the anchor
  • the foregoing transmission unit 1704 may be further configured to receive PUSCH data sent by the terminal through the PUSCH according to the third message in the random access procedure.
  • FIG. 18 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure. As shown in FIG. 18, the terminal includes:
  • the transmitting unit 1802 is configured to receive the PDSCH data by using the downlink shared physical channel PDSCH in a paging occasion corresponding to the terminal;
  • the processor 1804 is connected to the foregoing transmission unit 1802, and is configured to sequentially reverse-map the PDSCH data to the downlink common transmission channel, and the dedicated traffic channel DTCH and/or the dedicated control channel DCCH to obtain downlink data sent by the base station.
  • the above-mentioned terminal can directly receive data based on the downlink common transmission channel and the paging occasion, and avoids receiving data through state transition, thereby solving the UE in the RRC inactive state in the related art, and cannot directly receive downlink data or send uplink.
  • the problem of data saves signaling overhead and reduces transmission delay.
  • the foregoing terminal may be a terminal that is in a radio resource control inactive RRC inactive state; wherein the RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • RRC inactive state is a state different from the RRC idle state and the RRC connected state.
  • the downlink data is downlink dedicated service logical channel DTCH data and/or dedicated control logical channel DCCH data.
  • the processor 1804 is further configured to map uplink data to an uplink common transport channel to obtain uplink common transport channel data; and map the uplink common transport channel data to the uplink shared physical channel PUSCH.
  • Obtaining PUSCH data; the foregoing transmitting unit 1704 is further configured to send the PUSCH data to the base station according to the third message of the random access procedure.
  • the foregoing terminal may further include at least one of: a memory configured to reserve or store a DTCH associated with the terminal-specific connection on the radio interface between the base station and the inter-terminal established in the RRC connection state. And/or DCCH resource and configuration information; retaining or storing the first identifier of the terminal; the transmitting unit is further configured to acquire a first identifier of the terminal that the base station reassigns for the terminal, and/or set to acquire a downlink public transport channel and / Or the configuration information of the uplink common transport channel; wherein the configuration information includes: a downlink common transport channel and/or an uplink common transport channel configured by the base station for the cell, and/or a DTCH and/or DCCH of the terminal and a downlink common transport channel and/or The mapping relationship of the uplink common transport channel.
  • a memory configured to reserve or store a DTCH associated with the terminal-specific connection on the radio interface between the base station and the inter-terminal established in the RRC connection state.
  • the transmitting unit 1802 is configured to acquire, by using the following manner, the first identifier of the terminal that the base station re-allocates for the terminal and/or obtain configuration information of the downlink common transport channel and/or the uplink common transport channel: RRC signaling or system message.
  • the foregoing transmission unit 1802 may be further configured to determine a paging occasion according to the first identifier or the second identifier of the terminal; monitor the uplink control physical channel PUCCH with the first identifier in the paging occasion; and according to the PDSCH scheduled on the PUCCH The resource determines the PDSCH; and receives the PDSCH data through the PDSCH.
  • the first identifier may be a scheduling identifier of the terminal
  • the second identifier may be a paging identifier of the terminal, but is not limited thereto.
  • the foregoing terminal may be configured as one of the following scenarios: the anchor cell and the camping cell are the same cell, where the anchor cell is a cell where the terminal transits from the RRC connected state to the RRC inactive state, and the camped cell is The cell currently camped by the terminal; the anchor cell and the camping cell are different base stations in the same paging area or different cells of the same base station.
  • Embodiments of the present disclosure also provide a storage medium.
  • the above storage medium may be set to store program code for executing the steps of the method in Embodiment 1.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor executes the method in Embodiment 1 according to the stored program code in the storage medium.
  • modules or steps of the present disclosure described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. As such, the disclosure is not limited to any specific combination of hardware and software.
  • the data transmitting and receiving method and device, the base station, and the terminal provided by the present disclosure directly transmit data to the terminal by using a common transmission channel and a paging occasion, thereby avoiding sending data through state transition, thereby solving the RRC inactive state in the related art.
  • the UE cannot directly receive downlink data or send uplink data, which saves signaling overhead and reduces transmission delay.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne des procédés et des dispositifs de transmission et de réception de données, une station de base et un terminal. Le procédé de transmission de données consiste à : mapper, dans un premier canal de transport commun de liaison descendante préconfiguré dans une cellule, des données de liaison descendante, pour obtenir des données de premier canal de transport commun de liaison descendante, et mapper, dans un canal partagé de liaison descendante physique (PDSCH), les données de premier canal de transport commun de liaison descendante, pour obtenir des données de PDSCH; et transmettre, dans une occasion de radiomessagerie correspondant à un terminal, et au terminal, les données de PDSCH. L'invention résout un problème de l'état de la technique dans lequel un équipement utilisateur (UE), dans un état inactif RRC (commande de ressources radio), est incapable de recevoir directement des données de liaison descendante ou de transmettre des données de liaison montante.
PCT/CN2017/104878 2016-09-30 2017-09-30 Procédés et dispositifs de transmission et de réception de données, station de base et terminal Ceased WO2018059587A1 (fr)

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CN114982365B (zh) * 2020-01-22 2025-02-14 日本电气株式会社 用于通信的方法、设备和计算机存储介质
CN111727614B (zh) * 2020-04-30 2023-10-03 北京小米移动软件有限公司 终端状态切换处理、控制方法及装置、通信设备及存储介质
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