WO2019061037A1 - 用于数据处理的方法和终端设备 - Google Patents

用于数据处理的方法和终端设备 Download PDF

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Publication number
WO2019061037A1
WO2019061037A1 PCT/CN2017/103526 CN2017103526W WO2019061037A1 WO 2019061037 A1 WO2019061037 A1 WO 2019061037A1 CN 2017103526 W CN2017103526 W CN 2017103526W WO 2019061037 A1 WO2019061037 A1 WO 2019061037A1
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WIPO (PCT)
Prior art keywords
terminal device
cell group
data
radio bearer
rlc layer
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PCT/CN2017/103526
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English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201780049133.XA priority Critical patent/CN109644392B/zh
Priority to PCT/CN2017/103526 priority patent/WO2019061037A1/zh
Publication of WO2019061037A1 publication Critical patent/WO2019061037A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management

Definitions

  • the embodiments of the present application relate to the field of communications, and, more particularly, to a method and a terminal device for data processing.
  • RLC Radio Link Control
  • PDCP Packet Data Convergence Protocol
  • An RLC corresponds to a cell group.
  • the embodiment of the present application provides a method and a terminal device for data processing, which are advantageous for improving flexibility of data transmission.
  • a method for data processing comprising: acquiring, by a terminal device, identifier information preconfigured by a PDCP layer of a packet data convergence protocol of a first split radio bearer of the terminal device; And identifying information, determining, from the plurality of cell groups corresponding to the first split radio bearer, a target cell group for processing the to-be-transmitted data of the first split radio bearer.
  • Determining the cell group used to process the data according to the identification information of the PDCP configuration of the split radio bearer by the network device is beneficial to improving the flexibility of data transmission.
  • the PDCP layer of the first split radio bearer is connected to two RLC layers, the cell group corresponding to one RLC layer may be a primary cell group, and the cell group corresponding to another RLC layer may be a secondary cell group, where the PDCP may be located.
  • the primary cell group may also be located in the secondary cell group.
  • the first split radio bearer includes a default first RLC layer configured for transmitting data configured by the network side, and the terminal device corresponds to the first split radio bearer according to the identifier information. Determining, by the plurality of cell groups, the target cell group for processing the data to be sent of the terminal device, if the identifier information is the first value, the terminal device determines the cell group corresponding to the first RLC layer as the target Community group.
  • the terminal device determines, according to the identifier information, a target cell group for processing data to be sent of the first split radio bearer from a plurality of cell groups corresponding to the first split radio bearer.
  • the terminal device determines, as the second value, the at least two cell groups corresponding to the at least two RLC layers of the first split radio bearer as the target cell group.
  • the at least two RLC layers include a default first RLC layer configured to transmit data configured by the network side.
  • the method further includes: acquiring, by the terminal device, a threshold value of each RLC layer in the at least one RLC layer of the first split radio bearer corresponding to the target cell group, where each RLC The threshold value of the layer is used to indicate an upper limit of the data pre-processing amount of the corresponding RLC layer; before the terminal device receives the uplink grant for transmitting the data to be sent, the terminal device according to the threshold value of each RLC layer, Pre-processing at least part of the data in the to-be-sent data.
  • the threshold of the second RLC layer in the at least one RLC layer is non-zero
  • the method further includes: the terminal device corresponding to the second RLC layer in the target cell group
  • the first cell group sends a buffer status report BSR, where the BSR is used to indicate the sum of the data volume of the PDCP layer and the data amount preprocessed by the second RLC layer.
  • the method further includes: when the terminal device receives an uplink grant sent by the target cell group for transmitting data to be sent, the terminal device sends the to-be-targeted group to the target cell group. send data.
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a computer storage medium for storing computer software instructions for performing the method of any of the above first aspect or any of the possible implementations of the first aspect, comprising program.
  • a computer program product comprising instructions is provided for transporting on a computer In a row, the computer is caused to perform the method of any of the above-described first aspect or any of the alternative implementations of the first aspect.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • Figure 2 shows the protocol architecture diagram of the split bearer in the dual connectivity scenario.
  • FIG. 3 shows a schematic block diagram of a method for data processing of an embodiment of the present application.
  • FIG. 4 shows a schematic block diagram of a terminal device of an embodiment of the present application.
  • FIG. 5 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • Time Time Division Duplex
  • UMT S Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • NR New Radio
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing
  • GFDM Filter Bank Multi-Carrier
  • Filter Bank Multi-Carrier OFDM
  • Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the network device around the terminal device 130 in FIG. 1 includes a primary network device 110 and at least one secondary network device 120.
  • the at least one secondary network device 120 is respectively connected to the primary network device 110 to form a multi-connection, and is respectively connected to the terminal device 130 to provide services thereto.
  • the terminal device 130 can establish a connection through the primary network device 110 and the secondary network device 120 at the same time.
  • the connection established between the terminal device 130 and the primary network device 110 is a primary connection
  • the connection established between the terminal device 130 and the secondary network device 120 is a secondary connection.
  • the control signaling of the terminal device 130 can be transmitted through the primary connection, and the data of the terminal device can be transmitted simultaneously through the primary connection and the secondary connection, or can be transmitted only through the secondary connection.
  • the primary network device may be, for example, a macro base station (Macrocell), and the secondary network device may be, for example, a microcell base station (Microcell), a picocell base station (Picocell), or a femtocell base station (Femtocell), but the present invention The embodiment is not limited to this.
  • a bearer can be referred to as a split bearer, that is, a split bearer.
  • a split bearer that is, a split bearer.
  • the knot Figure 2 briefly introduces the protocol architecture of the split bearer in a dual connectivity scenario.
  • the PDCP is located in a cell group (Cell Group, CG), which is an anchor CG.
  • the CG includes a primary cell group and a secondary cell group
  • the PDCP can be a PDCP protocol data unit
  • the Protocol Data Unit (PDU) is sent to the RLC in the primary cell group and the secondary cell group, so that two connections can be used for data transmission, and the data passes through RLC of different cell groups, Media Access Control (MAC), and then After the air interface reaches the terminal (downlink) or the corresponding MAC of the base station (uplink), the RLC layer, and finally aggregates to the PDCP, and finally the data is delivered to the upper layer.
  • PDU Protocol Data Unit
  • MAC Media Access Control
  • a split radio bearer can connect multiple RLCs, and each RLC corresponds to one cell group, when a split radio bearer has data to be transmitted, how the terminal device selects a cell group for processing data to be transmitted is a problem to be solved.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • split radio bearer is used for one PDCP to connect two RLCs as an example, but the embodiment of the present application is not limited thereto.
  • FIG. 3 shows a schematic block diagram of a method 200 for data processing in accordance with an embodiment of the present application. As shown in FIG. 3, the method 200 includes the following parts or all of the contents:
  • the terminal device acquires, as the identifier information pre-configured by the PDCP layer of the packet data convergence protocol of the first split radio bearer of the terminal device;
  • the terminal device determines, according to the identifier information, a target cell group for processing data to be sent of the first split radio bearer from a plurality of cell groups corresponding to the first split radio bearer.
  • the network device may configure an identifier information for the PDCP of each split radio bearer of the terminal device, and the network device may pre-agreed the role of the identifier information with the terminal device, for example, the identifier information may be one bit, the network device It can be agreed that if it is 0, it can be determined that a plurality of cell groups corresponding to a split radio bearer are determined as a target cell group, and if it is 1, it indicates that one cell group corresponding to a split radio bearer can be determined as a target cell group. .
  • the method for data processing in the embodiment of the present application determines the cell group used to process data according to the identification information of the PDCP configuration of the split radio bearer of the network device, which is beneficial to improving the flexibility of data transmission.
  • the target cell group may be a cell group or a plurality of cell groups, which is not limited in this embodiment of the present application.
  • the first split radio bearer includes a default first RLC layer configured for transmitting data configured by the network side, and the terminal device obtains the first split wireless according to the identifier information. And determining, by the terminal device group, the target cell group for processing the to-be-transmitted data of the terminal device, if the identifier information is the first value, the terminal device determines the cell group corresponding to the first RLC layer as The target cell group.
  • the terminal device determines, according to the identifier information, a target for processing the data to be sent of the first split radio bearer from multiple cell groups corresponding to the first split radio bearer.
  • the cell group includes: if the identifier information is the second value, the terminal device determines the at least two cell groups corresponding to the at least two RLC layers of the first split radio bearer as the target cell group.
  • the terminal device may determine, according to the identification information of the PDCP that is pre-configured by the split radio bearer, the data of the split radio bearer, where the terminal device and the network device agree on the indication content of the identifier information in advance, when the terminal device obtains
  • the terminal device may select one cell group corresponding to the RLC as the target cell group among the multiple RLCs of the split radio bearer, and the terminal device may also directly use the split radio bearer.
  • the cell group corresponding to the default RLC is determined as the target cell group.
  • the network device may configure one RLC as the default RLC in advance for the split radio bearer.
  • the terminal device selects the cell group corresponding to the at least two RLC layers of the first split radio bearer as the target cell group
  • the at least two RLC layers may include a default configuration for transmitting data configured by the network side.
  • the first RLC layer may include a default configuration for transmitting data configured by the network side.
  • the method further includes: acquiring, by the terminal device, a threshold of each RLC layer in at least one RLC layer of the first split radio bearer corresponding to the target cell group a value, the threshold value of each RLC layer is used to indicate an upper limit of the data pre-processing amount of the corresponding RLC layer; before the terminal device receives the uplink authorization for transmitting the to-be-sent data, the terminal device is configured according to the a threshold value of each of the RLC layers, in the data to be sent At least part of the data is preprocessed.
  • the terminal device may receive the data of the split radio bearer according to the threshold value of the RLC corresponding to the target cell group before receiving the uplink grant for the split radio bearer. Pretreatment is performed.
  • the split bearer 1 of the terminal device connects 2 RLCs: RLC1 and RLC2.
  • the terminal device determines that the cell group corresponding to each of the RLC1 and the RLC2 is the target cell group, that is, the terminal device may pre-send the data in the PDCP to the RLC1 and the RLC2 before receiving the uplink grant for the split radio bearer.
  • the amount of data sent to RLC1 and RLC2 in advance cannot exceed the respective threshold.
  • the terminal device does not pre-send the data of PDCP to RLC2.
  • the terminal device determines that the cell group corresponding to the RLC1 is the target cell group, that is, the terminal device can pre-send the data in the PDCP to the RLC1 before receiving the uplink grant for the split radio bearer.
  • the amount of data sent to RLC1 in advance cannot exceed its threshold. If the threshold of RLC1 is non-zero, the terminal device sends the value of PDCP to RLC1 in advance. If the threshold of RLC1 is 0, the terminal device The data of the split radio bearer is not preprocessed.
  • the threshold of the second RLC layer in the at least one RLC layer is non-zero
  • the method further includes: the terminal device is in the target cell group and the second RLC layer
  • the corresponding first cell group sends a Buffer Status Report (BSR), which is used to indicate the sum of the data volume of the PDCP layer and the data amount preprocessed by the second RLC layer.
  • BSR Buffer Status Report
  • the BSR is used to provide the serviced network with information about how much data the UE has in the uplink buffer.
  • the terminal device After the terminal device determines the target cell group, the terminal device can access the target cell group.
  • the network reports a BSR for a split bearer. If the target cell group determined by the terminal device is a plurality of cell groups, the terminal device may report the respective BSRs to the plurality of cell groups.
  • the split bearer 1 of the terminal device is connected to two RLCs: RLC1 and RLC2, and the threshold values of RLC1 and RLC2 are both non-zero, and the terminal device receives the uplink grant for the data to be sent of the split bearer 1 before the terminal device receives the uplink grant for the split bearer 1
  • the terminal device has previously transmitted the data 1 and the data 2 in the split bearer 1 to the RLC1 and the RLC2, respectively.
  • the terminal device assumes that the target cell group includes the cell group corresponding to the RLC1 and the cell group corresponding to the RLC2, and the terminal device can correspond to the RLC1.
  • the cell group reports the BSR, and indicates the sum of the current data volume of the PDCP and the amount of data pre-processed in the RLC1.
  • the terminal device may also report the BSR to the cell group corresponding to the RLC2, indicating the current data volume of the PDCP and the pre-processed number in the RLC2. According to the sum of the quantities.
  • the terminal device may send the BSR to the target cell group by using MAC layer signaling.
  • the method further includes: when the terminal device receives the uplink authorization sent by the target cell group for transmitting the to-be-transmitted data, the terminal device sends the uplink cell authorization to the target cell group. Send the data to be sent.
  • the terminal device may send data to the target cell group for the uplink grant of the target cell group.
  • the target cell group determined by the terminal device is the cell group corresponding to the RLC1 of the split bearer 1
  • the terminal device may send data to the cell group corresponding to the RLC1 only for the uplink grant sent by the cell group corresponding to the RLC1.
  • the terminal device does not send data to the cell group corresponding to the other RLCs of the split bearer 1, even if the terminal receives the uplink grant sent by the cell group corresponding to the other RLC.
  • the terminal device may perform some subsequent operations, including but not limited to the following:
  • the data is delivered to the target cell group for the uplink grant of the target cell group.
  • the first split radio bearer includes two RLC layers, and the cell group corresponding to the two RCL layers includes a primary cell group and a secondary cell group. That is, the first split radio bearer is a dual-connection, where one RLC corresponds to the primary cell group, and the other RLC corresponds to the secondary cell group, and the PDCP of the first split radio bearer may be located in the primary cell group, or may be located in the auxiliary cell group. Community group.
  • a threshold value of each RLC layer in the first split radio bearer is semi-statically configured.
  • the network side may configure, by using Radio Resource Control (RRC) signaling, a threshold value of each RLC layer of a split radio bearer to the terminal device.
  • RRC Radio Resource Control
  • FIG. 4 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes:
  • the first obtaining unit 310 is configured to acquire, according to the packet data convergence protocol PDCP layer pre-configured identifier information of the first split radio bearer of the terminal device,
  • the determining unit 320 is configured to determine, according to the identifier information, a target cell group for processing data to be sent of the first split radio bearer from a plurality of cell groups corresponding to the first split radio bearer.
  • the terminal device in the embodiment of the present application determines the cell group used to process the data according to the identification information of the PDCP configuration of the split radio bearer of the network device, which is beneficial to improving the flexibility of data transmission.
  • the first split radio bearer includes a default first RLC layer configured to transmit data configured by the network side, where the determining unit is specifically configured to: if the identifier information is And determining, by the first value, a cell group corresponding to the first RLC layer as the target cell group.
  • the determining unit is specifically configured to: if the identifier information is a second value, at least two cell groups corresponding to at least two RLC layers of the first split radio bearer Determined as the target cell group.
  • the at least two RLC layers include a default first RLC layer configured to transmit data configured by the network side.
  • the terminal device further includes: a second acquiring unit, configured to acquire, in the at least one RLC layer of the first split radio bearer corresponding to the target cell group, each RLC a threshold value of the layer, the threshold value of each RLC layer is used to indicate an upper limit of the data pre-processing amount of the corresponding RLC layer, and the first sending unit is configured to receive, at the terminal device, the to-be-transmitted Before the uplink authorization of the data, at least part of the data to be sent is pre-processed according to the threshold value of each RLC layer.
  • a second acquiring unit configured to acquire, in the at least one RLC layer of the first split radio bearer corresponding to the target cell group, each RLC a threshold value of the layer, the threshold value of each RLC layer is used to indicate an upper limit of the data pre-processing amount of the corresponding RLC layer
  • the first sending unit is configured to receive, at the terminal device, the to-be-transmitted Before the uplink authorization of the data, at least part of the data to
  • the threshold value of the second RLC layer in the at least one RLC layer is non-zero
  • the terminal device further includes: a second sending unit, configured to the target cell a first cell group corresponding to the second RLC layer in the group, a buffer status report BSR,
  • the BSR is used to indicate the sum of the data amount of the PDCP layer and the data amount of the second RLC layer pre-processing.
  • the terminal device further includes: a third sending unit, configured to: when the terminal device receives the uplink authorization sent by the target cell group for transmitting data to be sent And sending the to-be-sent data to the target cell group.
  • a third sending unit configured to: when the terminal device receives the uplink authorization sent by the target cell group for transmitting data to be sent And sending the to-be-sent data to the target cell group.
  • the first split radio bearer includes two RLC layers, and the cell group corresponding to the two RCL layers includes a primary cell group and a secondary cell group.
  • terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 300 respectively implement the terminal in the method of FIG.
  • the corresponding process of the device is not described here for brevity.
  • the embodiment of the present application further provides a terminal device 400, which may be the terminal device 300 in FIG. 4, which can be used to execute the content of the terminal device corresponding to the method 200 of FIG.
  • the terminal device 400 includes an input interface 410, an output interface 420, a processor 430, and a memory 440.
  • the input interface 410, the output interface 420, the processor 430, and the memory 440 can be connected by a bus system.
  • the memory 440 is for storing programs, instructions or code.
  • the processor 430 is configured to execute a program, an instruction or a code in the memory 440 to control the input interface 410 to receive a signal, control the output interface 420 to send a signal, and complete the operations in the foregoing method embodiments.
  • the terminal device in the embodiment of the present application determines the cell group used to process the data according to the identification information of the PDCP configuration of the split radio bearer of the network device, which is beneficial to improving the flexibility of data transmission.
  • the processor 430 may be a central processing unit (CPU), and the processor 430 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 440 can include read only memory and random access memory and provides instructions and data to the processor 430. A portion of the memory 440 may also include a non-volatile random access memory. For example, the memory 440 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 430 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 440, and the processor 430 reads the information in the memory 440 and combines its hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the first obtaining unit, the second obtaining unit, and the determining unit of the terminal device 300 may be implemented by the processor 430 in FIG. 5, where the first sending unit, the second sending unit, and the third unit of the terminal device 300
  • the transmitting unit can be implemented by the output interface 420 in FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in various embodiments of the present application may be integrated in one processing unit
  • each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

一种用于数据处理的方法和终端设备，该方法包括：终端设备获取为该终端设备的第一***无线承载的分组数据汇聚协议PDCP层预配置的标识信息；终端设备根据该标识信息，从与该第一***无线承载对应的多个小区组中确定用于处理该第一***无线承载的待发送数据的目标小区组。上述方法和终端设备，有利于提高数据传输的灵活性。

Description

用于数据处理的方法和终端设备 技术领域
本申请实施例涉及通信领域，并且更具体地，涉及一种用于数据处理的方法和终端设备。
背景技术
当数据承载采用***承载(split bearer)的协议架构时，一个分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)下面分别连接两个或者更多的无线链路控制(Radio Link Control，RLC)，每一个RLC对应一个小区组，当某一个***无线承载有上行数据需要传输时，终端设备如何选择小区组进行数据处理是需要解决的问题。
发明内容
有鉴于此，本申请实施例提供了一种用于数据处理的方法和终端设备，有利于提高数据传输的灵活性。
第一方面，提供了一种用于数据处理的方法，该方法包括：终端设备获取为该终端设备的第一***无线承载的分组数据汇聚协议PDCP层预配置的标识信息；该终端设备根据该标识信息，从与该第一***无线承载对应的多个小区组中确定用于处理该第一***无线承载的待发送数据的目标小区组。
根据网络设备对***无线承载的PDCP配置的标识信息确定用来处理数据的小区组，有利于提高数据传输的灵活性。
可选地，该第一***无线承载的PDCP层连接两个RLC层，一个RLC层对应的小区组可以是主小区组，另一个RLC层对应的小区组可以是辅小区组，该PDCP可以位于主小区组，也可以位于辅小区组。
在一种可能的实现方式中，该第一***无线承载包括由网络侧配置的默认的用于传输数据的第一RLC层，该终端设备根据该标识信息，从与该第一***无线承载对应的多个小区组中确定用于处理该终端设备的待发送数据的目标小区组，包括：若该标识信息为第一值，该终端设备将该第一RLC层对应的小区组确定为该目标小区组。
在一种可能的实现方式中，该终端设备根据该标识信息，从与该第一***无线承载对应的多个小区组中确定用于处理该第一***无线承载的待发送数据的目标小区组，包括：若该标识信息为第二值，该终端设备将该第一***无线承载的至少两个RLC层对应的至少两个小区组确定为该目标小区组。
在一种可能的实现方式中，该至少两个RLC层包括由网络侧配置的默认的用于传输数据的第一RLC层。
在一种可能的实现方式中，该方法还包括：该终端设备获取与该目标小区组对应的该第一***无线承载的至少一个RLC层中每个RLC层的门限值，该每个RLC层的门限值用于指示相应RLC层的数据预处理量上限；在该终端设备接收到用于传输该待发送数据的上行授权之前，该终端设备根据该每个RLC层的门限值，对该待发送数据中的至少部分数据进行预处理。
在一种可能的实现方式中，该至少一个RLC层中的第二RLC层的门限值为非0，该方法还包括：该终端设备向该目标小区组中与该第二RLC层对应的第一小区组发送缓冲区状态报告BSR，该BSR用于指示该PDCP层的数据量与该第二RLC层预处理的数据量之和。
在一种可能的实现方式中，该方法还包括：在该终端设备接收到该目标小区组发送的用于传输待发送数据的上行授权的情况下，该终端设备向该目标小区组发送该待发送数据。
第二方面，提供了一种终端设备，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该终端设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第三方面，提供了一种终端设备，该终端设备包括：存储器、处理器、输入接口和输出接口。其中，存储器、处理器、输入接口和输出接口通过总线***相连。该存储器用于存储指令，该处理器用于执行该存储器存储的指令，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第四方面，提供了一种计算机存储介质，用于储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法所用的计算机软件指令，其包含用于执行上述方面所设计的程序。
第五方面，提供了一种包括指令的计算机程序产品，当其在计算机上运 行时，使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例一个应用场景的示意图。
图2示出了双连接场景下的split bearer的协议架构图。
图3示出了本申请实施例的用于数据处理的方法的示意性框图。
图4示出了本申请实施例的终端设备的示意性框图。
图5示出了本申请实施例的终端设备的另一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
应理解，本申请实施例的技术方案可以应用于各种通信***，例如：全球移动通讯(Global System of Mobile communication，GSM)***、码分多址(Code Division Multiple Access，CDMA)***、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)***、通用分组无线业务(General Packet Radio Service，GPRS)、LTE***、LTE频分双工(Frequency Division Duplex，FDD)***、LTE时分双工(Time Division Duplex，TDD)、通用移动通信***(Universal Mobile Telecommunication System，UMT S)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信***、新无线(New Radio，NR)或未来的5G***等。
特别地，本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信***，例如稀疏码多址接入(Sparse Code Multiple Access，SCMA)***、低密度签名(Low Density Signature，LDS)***等，当然SCMA***和LDS***在通信领域也可以被称为其他名称；进一步地，本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输***，例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)、滤波器组多载波(Filter Bank Multi-Carrier，FBMC)、通用频分复用(Generalized Frequency Division Multiplexing，GFDM)、滤波 正交频分复用(Filtered-OFDM，F-OFDM)***等。
本申请实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA***中的基站(NodeB，NB)，还可以是LTE***中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例并不限定。
图1是本申请实施例的一个应用场景的示意图。图1中的终端设备130周围的网络设备包括主网络设备110和至少一个辅网络设备120。该至少一个辅网络设备120分别与主网络设备110相连，构成多连接，并分别与终端设备130连接为其提供服务。终端设备130可以通过主网络设备110和辅网络设备120同时建立连接。终端设备130和主网络设备110建立的连接为主连接，终端设备130与辅网络设备120建立的连接为辅连接。终端设备130的控制信令可以通过主连接进行传输，而终端设备的数据可以通过主连接和辅连接同时传输，也可以只通过辅连接进行传输。
在本申请实施例中，主网络设备例如可以是宏基站(Macrocell)，辅网络设备例如可以为微蜂窝基站(Microcell)、微微蜂窝基站(Picocell)、毫微微蜂窝基站(Femtocell)，但本发明实施例不限于此。
本领域技术人员理解，可以将一个PDCP下面分别连接两个或者更多RLC，这样的一个承载可以称为是***承载，也就是split bearer。下面将结 合图2简单介绍在双连接场景下的split bearer的协议架构。对于上下行来讲，PDCP位于某一个小区组(Cell Group，CG)，该CG即为锚小区组(anchor CG)，其中CG包括主小区组和辅小区组，PDCP可以将PDCP协议数据单元(Protocol Data Unit，PDU)发送到主小区组和辅小区组中的RLC，从而可以利用两个连接进行数据传输，数据经过不同小区组的RLC，媒体接入控制(Media Access Control，MAC)，再经过空口到达终端(下行)或者基站(上行)相应的MAC，RLC层，最后再汇聚到PDCP，从而最终将数据递交到高层。
由于一个***无线承载可以连接多个RLC，并且每一个RLC对应一个小区组，当一个***无线承载有数据需要发送时，终端设备如何选择处理待发送数据的小区组是需要解决的问题。
应理解，本文中术语“***”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
还应理解，本申请中多处以一个***无线承载为一个PDCP连接两个RLC为例进行描述，但本申请实施例并不限于此。
图3示出了本申请实施例的用于数据处理的方法200的示意性框图。如图3所示，该方法200包括以下部分内容或全部内容：
S210，终端设备获取为该终端设备的第一***无线承载的分组数据汇聚协议PDCP层预配置的标识信息；
S220，该终端设备根据该标识信息，从与该第一***无线承载对应的多个小区组中确定用于处理该第一***无线承载的待发送数据的目标小区组。
具体地，网络设备可以为终端设备的每一个***无线承载的PDCP配置一个标识信息，网络设备可以与终端设备提前约定好该标识信息的作用，例如，该标识信息可以是一个比特位，网络设备可以约定如果为0，则表示可以将某一***无线承载对应的多个小区组确定为目标小区组，如果为1，则表示可以将某一***无线承载对应的一个小区组确定为目标小区组。
应理解，上述标识信息仅仅用来示意性说明，对本申请的范围不构成限定。
因此，本申请实施例的用于数据处理的方法，根据网络设备对***无线承载的PDCP配置的标识信息确定用来处理数据的小区组，有利于提高数据传输的灵活性。
应理解，同一个***无线承载下的不同RLC可以对应不同的小区组。该目标小区组可以是一个小区组，也可以是多个小区组，本申请实施例对此不构成限定。
可选地，在本申请实施例中，该第一***无线承载包括由网络侧配置的默认的用于传输数据的第一RLC层，该终端设备根据该标识信息，从与该第一***无线承载对应的多个小区组中确定用于处理该终端设备的待发送数据的目标小区组，包括：若该标识信息为第一值，该终端设备将该第一RLC层对应的小区组确定为该目标小区组。
可选地，在本申请实施例中，该终端设备根据该标识信息，从与该第一***无线承载对应的多个小区组中确定用于处理该第一***无线承载的待发送数据的目标小区组，包括：若该标识信息为第二值，该终端设备将该第一***无线承载的至少两个RLC层对应的至少两个小区组确定为该目标小区组。
上述提及，终端设备可以根据某一个***无线承载预配置的PDCP的标识信息确定处理该***无线承载的数据，可以是终端设备和网络设备提前约定好该标识信息的指示内容，当终端设备获取到的标识信息指示目标小区组为一个小区组时，终端设备可以在该***无线承载的多个RLC中选择一个RLC对应的小区组为目标小区组，终端设备也可以直接将该***无线承载中默认的RLC对应的小区组确定为目标小区组。可选地，网络设备可以为该***无线承载提前配置一个RLC作为默认RLC。
可选地，当终端设备选择了第一***无线承载的至少两个RLC层对应的小区组为目标小区组时，该至少两个RLC层可以包括由网络侧配置的默认的用于传输数据的第一RLC层。
可选地，在本申请实施例中，所述方法还包括：所述终端设备获取与所述目标小区组对应的所述第一***无线承载的至少一个RLC层中每个RLC层的门限值，所述每个RLC层的门限值用于指示相应RLC层的数据预处理量上限；在所述终端设备接收到用于传输所述待发送数据的上行授权之前，所述终端设备根据所述每个RLC层的门限值，对所述待发送数据中的 至少部分数据进行预处理。
具体地，终端设备一旦确定了目标小区组后，终端设备在接收到针对***无线承载的上行授权之前，终端设备可以根据该目标小区组对应的RLC的门限值，对该***无线承载的数据进行预处理。例如，终端设备的split bearer 1连接了2个RLC：RLC1和RLC2。终端设备确定RLC1和RLC2分别对应的小区组为目标小区组，也就是说，终端设备在接收到针对***无线承载的上行授权之前，终端设备可以将PDCP中的数据预先发送到RLC1和RLC2，其中预先发送到RLC1和RLC2中的数据量不能超过各自的门限值，如果RLC1的门限值为非0，RLC2的门限值为0，终端设备将PDCP的数据不预先发送到RLC2中，而是预先发送到RLC1中；终端设备确定RLC1对应的小区组为目标小区组，也就是说，终端设备在接收到针对***无线承载的上行授权之前，终端设备可以将PDCP中的数据预先发送到RLC1，其中预先发送到RLC1的数据量不能超过其门限值，如果RLC1的门限值为非0，终端设备将PDCP的值预先发送到RLC1中，如果RLC1的门限值为0，那么终端设备对该***无线承载的数据不进行预处理。
可选地，在本申请实施例中，该至少一个RLC层中的第二RLC层的门限值为非0，该方法还包括：该终端设备向该目标小区组中与该第二RLC层对应的第一小区组发送缓冲区状态报告(Buffer Status Report，BSR)，该BSR用于指示该PDCP层的数据量与该第二RLC层预处理的数据量之和。
本领域技术人员理解，BSR用于给服务的网络提供UE有共有多少数据存在上行的缓冲区里需要发送的信息，终端设备一旦确定了目标小区组之后，终端设备就可以向该目标小区组内的网络上报针对某个split bearer的BSR。如果终端设备确定的目标小区组为多个小区组，终端设备可以分别向多个小区组上报各自相应的BSR。例如，终端设备的split bearer 1连接了2个RLC：RLC1和RLC2，并且RLC1和RLC2的门限值均为非0，终端设备在接收到针对该split bearer 1的待发送数据的上行授权之前，终端设备已经将该split bearer 1中的数据1和数据2分别预先发送到RLC1和RLC2，终端设备假设确定目标小区组包括RLC1对应的小区组和RLC2对应的小区组，终端设备可以向RLC1对应的小区组上报BSR，指示PDCP当前数据量与该RLC1中预处理的数据量之和，终端设备也可以向RLC2对应的小区组上报BSR，指示PDCP当前数据量与该RLC2中预处理的数 据量之和。
可选地，终端设备可以通过MAC层信令向目标小区组发送BSR。
可选地，在本申请实施例中，该方法还包括：在该终端设备接收到该目标小区组发送的用于传输该待发送数据的上行授权的情况下，该终端设备向该目标小区组发送该待发送数据。
具体地，再终端设备确定了目标小区组后，终端设备只要接收到目标小区组发送的上行授权之后，终端设备可以针对该目标小区组的上行授权，向目标小区组发送数据。举例来说，终端设备确定的目标小区组为上述split bearer 1的RLC1对应的小区组，终端设备可以只针对RLC1对应的小区组发送的上行授权向该RLC1对应的小区组发送数据，换句话说，终端设备不向split bearer 1的其他RLC对应的小区组发送数据，即便终端接收到了其他RLC对应的小区组发送的上行授权。
终端设备一旦确定了目标小区组之后，终端设备可以进行后续的一些操作，包括但不限于以下内容：
向目标小区组所在的连接进行数据预处理；
向目标小区组进行BSR上报；
针对目标小区组的上行授权向目标小区组进行数据递交。
可选地，在本申请实施例中，该第一***无线承载包括两个RLC层，与该两个RCL层对应的小区组包括主小区组和辅小区组。也就是说，该第一***无线承载为双连接，其中一个RLC对应主小区组，另外一个RLC对应辅小区组，该第一***无线承载的PDCP可以位于该主小区组，也可以位于该辅小区组。
可选地，在本申请实施例中，所述第一***无线承载中每个RLC层的门限值是半静态配置的。例如，网络侧可以通过无线资源控制(Radio Resource Control，RRC)信令向终端设备配置某一个***无线承载的每个RLC层的门限值。
应理解，网络设备描述的网络设备与终端设备之间的交互及相关特性、功能等与终端设备的相关特性、功能相应。并且相关内容在上述方法100中已经作了详尽描述，为了简洁，在此不再赘述。
还应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而 不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的用于数据处理的方法，下面将结合图4和图5，描述根据本申请实施例的用于数据处理的装置，方法实施例所描述的技术特征适用于以下装置实施例。
图4示出了本申请实施例的终端设备300的示意性框图。如图4所示，该终端设备300包括：
第一获取单元310，用于获取为所述终端设备的第一***无线承载的分组数据汇聚协议PDCP层预配置的标识信息；
确定单元320，用于根据所述标识信息，从与所述第一***无线承载对应的多个小区组中确定用于处理所述第一***无线承载的待发送数据的目标小区组。
因此，本申请实施例的终端设备，根据网络设备对***无线承载的PDCP配置的标识信息确定用来处理数据的小区组，有利于提高数据传输的灵活性。
可选地，在本申请实施例中，所述第一***无线承载包括由网络侧配置的默认的用于传输数据的第一RLC层，所述确定单元具体用于：若所述标识信息为第一值，将所述第一RLC层对应的小区组确定为所述目标小区组。
可选地，在本申请实施例中，所述确定单元具体用于：若所述标识信息为第二值，将所述第一***无线承载的至少两个RLC层对应的至少两个小区组确定为所述目标小区组。
可选地，在本申请实施例中，所述至少两个RLC层包括由网络侧配置的默认的用于传输数据的第一RLC层。
可选地，在本申请实施例中，所述终端设备还包括：第二获取单元，用于获取与所述目标小区组对应的所述第一***无线承载的至少一个RLC层中每个RLC层的门限值，所述每个RLC层的门限值用于指示相应RLC层的数据预处理量上限；第一发送单元，用于在所述终端设备接收到用于传输所述待发送数据的上行授权之前，根据所述每个RLC层的门限值，对所述待发送数据中的至少部分数据进行预处理。
可选地，在本申请实施例中，所述至少一个RLC层中的第二RLC层的门限值为非0，所述终端设备还包括：第二发送单元，用于向所述目标小区组中与所述第二RLC层对应的第一小区组发送缓冲区状态报告BSR，所述 BSR用于指示所述PDCP层的数据量与所述第二RLC层预处理的数据量之和。
可选地，在本申请实施例中，所述终端设备还包括：第三发送单元，用于在所述终端设备接收到所述目标小区组发送的用于传输待发送数据的上行授权的情况下，向所述目标小区组发送所述待发送数据。
可选地，在本申请实施例中，所述第一***无线承载包括两个RLC层，与所述两个RCL层对应的小区组包括主小区组和辅小区组。
应理解，根据本申请实施例的终端设备300可对应于本申请方法实施例中的终端设备，并且终端设备300中的各个单元的上述和其它操作和/或功能分别为了实现图3方法中终端设备的相应流程，为了简洁，在此不再赘述。
如图5所示，本申请实施例还提供了一种终端设备400，该终端设备400可以是图4中的终端设备300，其能够用于执行与图3方法200对应的终端设备的内容。该终端设备400包括：输入接口410、输出接口420、处理器430以及存储器440，该输入接口410、输出接口420、处理器430和存储器440可以通过总线***相连。该存储器440用于存储包括程序、指令或代码。该处理器430，用于执行该存储器440中的程序、指令或代码，以控制输入接口410接收信号、控制输出接口420发送信号以及完成前述方法实施例中的操作。
因此，本申请实施例的终端设备，根据网络设备对***无线承载的PDCP配置的标识信息确定用来处理数据的小区组，有利于提高数据传输的灵活性。
应理解，在本申请实施例中，该处理器430可以是中央处理单元(Central Processing Unit，CPU)，该处理器430还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器440可以包括只读存储器和随机存取存储器，并向处理器430提供指令和数据。存储器440的一部分还可以包括非易失性随机存取存储器。 例如，存储器440还可以存储设备类型的信息。
在实现过程中，上述方法的各内容可以通过处理器430中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器440，处理器430读取存储器440中的信息，结合其硬件完成上述方法的内容。为避免重复，这里不再详细描述。
一个具体的实施方式中，终端设备300的第一获取单元、第二获取单元和确定单元可以由图5中的处理器430实现，终端设备300的第一发送单元、第二发送单元和第三发送单元可以由图5中的输出接口420实现。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的***、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的***、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元 中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应该以权利要求的保护范围为准。

Claims (16)

  1. 一种用于数据处理的方法，其特征在于，包括：
    终端设备获取为所述终端设备的第一***无线承载的分组数据汇聚协议PDCP层预配置的标识信息；
    所述终端设备根据所述标识信息，从与所述第一***无线承载对应的多个小区组中确定用于处理所述第一***无线承载的待发送数据的目标小区组。
  2. 根据权利要求1所述的方法，其特征在于，所述第一***无线承载包括由网络侧配置的默认的用于传输数据的第一RLC层，所述终端设备根据所述标识信息，从与所述第一***无线承载对应的多个小区组中确定用于处理所述终端设备的待发送数据的目标小区组，包括：
    若所述标识信息为第一值，所述终端设备将所述第一RLC层对应的小区组确定为所述目标小区组。
  3. 根据权利要求1或2所述的方法，其特征在于，所述终端设备根据所述标识信息，从与所述第一***无线承载对应的多个小区组中确定用于处理所述第一***无线承载的待发送数据的目标小区组，包括：
    若所述标识信息为第二值，所述终端设备将所述第一***无线承载的至少两个RLC层对应的至少两个小区组确定为所述目标小区组。
  4. 根据权利要求3所述的方法，其特征在于，所述至少两个RLC层包括由网络侧配置的默认的用于传输数据的第一RLC层。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备获取与所述目标小区组对应的所述第一***无线承载的至少一个RLC层中每个RLC层的门限值，所述每个RLC层的门限值用于指示相应RLC层的数据预处理量上限；
    在所述终端设备接收到用于传输所述待发送数据的上行授权之前，所述终端设备根据所述每个RLC层的门限值，对所述待发送数据中的至少部分数据进行预处理。
  6. 根据权利要求5所述的方法，其特征在于，所述至少一个RLC层中的第二RLC层的门限值为非0，所述方法还包括：
    所述终端设备向所述目标小区组中与所述第二RLC层对应的第一小区 组发送缓冲区状态报告BSR，所述BSR用于指示所述PDCP层的数据量与所述第二RLC层预处理的数据量之和。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，所述方法还包括：
    在所述终端设备接收到所述目标小区组发送的用于传输待发送数据的上行授权的情况下，所述终端设备向所述目标小区组发送所述待发送数据。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述第一***无线承载包括两个RLC层，与所述两个RCL层对应的小区组包括主小区组和辅小区组。
  9. 一种终端设备，其特征在于，所述终端设备包括：
    第一获取单元，用于获取为所述终端设备的第一***无线承载的分组数据汇聚协议PDCP层预配置的标识信息；
    确定单元，用于根据所述标识信息，从与所述第一***无线承载对应的多个小区组中确定用于处理所述第一***无线承载的待发送数据的目标小区组。
  10. 根据权利要求9所述的终端设备，其特征在于，所述第一***无线承载包括由网络侧配置的默认的用于传输数据的第一RLC层，所述确定单元具体用于：
    若所述标识信息为第一值，将所述第一RLC层对应的小区组确定为所述目标小区组。
  11. 根据权利要求9或10所述的终端设备，其特征在于，所述确定单元具体用于：
    若所述标识信息为第二值，将所述第一***无线承载的至少两个RLC层对应的至少两个小区组确定为所述目标小区组。
  12. 根据权利要求11所述的终端设备，其特征在于，所述至少两个RLC层包括由网络侧配置的默认的用于传输数据的第一RLC层。
  13. 根据权利要求9至12中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    第二获取单元，用于获取与所述目标小区组对应的所述第一***无线承载的至少一个RLC层中每个RLC层的门限值，所述每个RLC层的门限值用于指示相应RLC层的数据预处理量上限；
    第一发送单元，用于在所述终端设备接收到用于传输所述待发送数据的上行授权之前，根据所述每个RLC层的门限值，对所述待发送数据中的至少部分数据进行预处理。
  14. 根据权利要求13所述的终端设备，其特征在于，所述至少一个RLC层中的第二RLC层的门限值为非0，所述终端设备还包括：
    第二发送单元，用于向所述目标小区组中与所述第二RLC层对应的第一小区组发送缓冲区状态报告BSR，所述BSR用于指示所述PDCP层的数据量与所述第二RLC层预处理的数据量之和。
  15. 根据权利要求9至14中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    第三发送单元，用于在所述终端设备接收到所述目标小区组发送的用于传输待发送数据的上行授权的情况下，向所述目标小区组发送所述待发送数据。
  16. 根据权利要求9至15中任一项所述的终端设备，其特征在于，所述第一***无线承载包括两个RLC层，与所述两个RCL层对应的小区组包括主小区组和辅小区组。
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