WO2019148369A1 - 一种终端设备触发数据停止传输的方法及终端设备 - Google Patents

一种终端设备触发数据停止传输的方法及终端设备 Download PDF

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Publication number
WO2019148369A1
WO2019148369A1 PCT/CN2018/074760 CN2018074760W WO2019148369A1 WO 2019148369 A1 WO2019148369 A1 WO 2019148369A1 CN 2018074760 W CN2018074760 W CN 2018074760W WO 2019148369 A1 WO2019148369 A1 WO 2019148369A1
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rlc entity
secondary cell
data transmission
terminal device
rlc
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PCT/CN2018/074760
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English (en)
French (fr)
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石聪
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Oppo广东移动通信有限公司
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Priority to PCT/CN2018/074760 priority Critical patent/WO2019148369A1/zh
Priority to CN201880036879.1A priority patent/CN110710255B/zh
Publication of WO2019148369A1 publication Critical patent/WO2019148369A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/04Error control

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  • the present invention relates to the field of information processing technologies, and in particular, to a method, a terminal device, and a computer storage medium for triggering data transmission of a terminal device.
  • NR For data replication transmission, in the current discussion of NR, data replication transmission based on PDCP duplication mode has been simultaneously improved to improve data transmission reliability.
  • NR currently defines data replication transmission: for carrier aggregation (CA: carrier aggregation), the scheme supporting data duplication uses the PDCP replication data function to transmit the replicated PDCP PDUs to two RLC entities (two Different logical channels), and finally ensure that the copied PDCP PDUs can be transmitted on different physical layer aggregate carriers to achieve frequency diversity gain to improve data transmission reliability.
  • CA carrier aggregation
  • an embodiment of the present invention provides a method, a terminal device, and a computer storage medium for triggering data transmission of a terminal device.
  • An embodiment of the present invention provides a method for triggering data transmission of a terminal device, where the method includes:
  • the terminal device suspends data transmission of the first RLC entity.
  • the embodiment of the invention provides a terminal device, including:
  • the processing unit suspends data transmission of the first RLC entity when the data transmitted on the first radio bearer reaches the maximum number of retransmissions on the first RLC entity.
  • a terminal device provided by an embodiment of the present invention includes: a processor and a memory for storing a computer program capable of running on a processor,
  • processor is configured to perform the steps of the foregoing method when the computer program is run.
  • a computer storage medium is provided by the embodiment of the present invention.
  • the computer storage medium stores computer executable instructions, and the foregoing method steps are implemented when the computer executable instructions are executed.
  • the terminal device suspends data transmission of the first RLC entity based on the maximum number of retransmissions. Therefore, for the RLC entity, if all the cell groups configured by the corresponding logical channel are secondary cells, the RRC reconfiguration is not triggered, but only the retransmission to the maximum number of events is required, thereby reducing the impact of reconfiguration on the terminal device.
  • FIG. 1 is a schematic flowchart of a method for stopping transmission of trigger data of a terminal device according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a dual connectivity network structure
  • FIG. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a hardware architecture according to an embodiment of the present invention.
  • An embodiment of the present invention provides a method for stopping data transmission of a terminal device, including:
  • the terminal device suspends data transmission of the first RLC entity.
  • the method provided in this embodiment includes the following steps:
  • Step 101 When the data transmitted on the first radio bearer reaches the maximum number of retransmissions on the first RLC entity, the terminal device suspends data transmission of the first RLC entity.
  • Step 102 The terminal device reports a radio link failure RLF message to the network side.
  • the terminal device may be a terminal device in a mobile communication system, such as a smart terminal, a mobile phone, or the like.
  • the first radio bearer is a signaling radio bearer SRB or a data radio bearer DRB.
  • the associated first RLC entity triggers the SCell-RLF, and the UE suspends the RLC entity.
  • the first radio bearer is: a radio bearer configured with a data replication transmission function, or a radio bearer not configured with a data replication transmission function.
  • the data replication transmission of the first radio bearer is an activated state or a deactivated state.
  • first radio bearer and the first RLC entity have mutually corresponding relationships.
  • the first RLC entity is an RLC entity in an Acknowledge Mode (AM), and the data carrying the logical channel of the first RLC entity is transmitted only on the secondary cell or the secondary cell group.
  • AM Acknowledge Mode
  • This embodiment may be a carrier aggregation CA architecture.
  • CA architecture For a form of the CA architecture, refer to FIG. 2, where each RLC entity corresponds to one wireless carrier.
  • the logical channel corresponding to the RLC entity may be configured with one or a group of cells (groups), and the cells (groups) configured by the two logical channels under the CA duplication are different, so that the copied PDCP PDUs may be different.
  • the p-leg is a transmission path corresponding to the primary RLC entity (for example, the RLC entity a in the figure), and the s-leg corresponds to the transmission path corresponding to the secondary RLC entity (such as the RLC entity b in the figure).
  • P-leg means that after CA duplication is deactivated, PDCP uses leg by default.
  • p-leg and s-leg belong to non-primary cell or non-primary cell group; p-leg corresponds to PCell/PSCell, s- Leg does not correspond to Pcell; p-leg does not belong to Pcell/PScell, and s-leg belongs to PCell/PSCell.
  • the terminal device suspends data transmission of the first RLC entity, including:
  • the data transmission of the first RLC entity is suspended.
  • the suspending data transmission of the first RLC entity includes: suspending data transmission of a PDCP entity related to the first RLC entity.
  • the data transmission for suspending the first RLC entity may include data transmission between the suspension and the PDCP entity.
  • the suspending the data transmission of the first RLC entity may further include: deactivating the secondary cell or the secondary cell group corresponding to the first RLC entity.
  • the method further includes: suspending data transmission of the second RLC entity.
  • the second RLC entity and the first RLC entity are both RLCs under the radio bearer configured to replicate data transmission, and the first RLC entity and the second RLC entity all correspond to the first PDCP. That is, the second RLC entity and the first RLC entity may be one primary RLC entity, one secondary RLC entity, that is, the RLC entity a and the RLC entity b in FIG. 2, and both entities correspond to the same one of the PDCP entities.
  • the second PDCP is different from the first PDCP corresponding to the first RLC; the second PDCP is configured with a duplicate data transmission function or an unconfigured duplicate data transmission function;
  • the secondary cell or the secondary cell group corresponding to the second RLC entity there is at least one secondary cell or secondary cell group that is the same as the secondary cell or the secondary cell group corresponding to the first RLC; wherein the first RLC entity and the second RLC entities belong to MCG, SCG, or belong to different CGs. That is to say, there may be a case where two RLC entities belong to different PDCPs respectively; correspondingly, two RLC entities may belong to the same MCG, SCG, or belong to different CGs respectively, for example, one belongs to MCG and belong to SCG.
  • the suspending data transmission of the second RLC entity includes at least one of the following:
  • the method further includes: deactivating a secondary cell that has an intersection with a secondary cell or a secondary cell group corresponding to the first RLC entity; and after deactivating the secondary cell, the second RLC entity suspends the data transmission. Or keep the data transfer.
  • the secondary cell group corresponding to the second RLC entity is ⁇ 1234 ⁇
  • the secondary cell group corresponding to the first RLC entity is ⁇ 456 ⁇ .
  • the second RLC entity may deactivate the secondary cell 4 and may select Data transmission is suspended and data transmission can also be maintained.
  • the method also includes at least one of the following:
  • the identifier ID of the logical channel including the suspended RLC entity
  • the identifier index of the deactivated secondary cell is included;
  • the bearer identifier ID corresponding to the PDCP that stops the data transmission is included.
  • Suspending the RLC entity by the UE means stopping data transmission or reception of the RLC, that is, the PDCP stops submitting new data to the RLC.
  • the method further includes:
  • the UE suspends the RLC entity, and confirms that the SCells in the active state are in one or a group of SCells configured by the logical channel corresponding to the RLC entity, and finds the configuration (partial or full configuration) The logical channels (if any) of these active SCells, the UE suspends the RLC entities corresponding to these logical channels.
  • the UE suspends the RLC entities corresponding to these logical channels.
  • the SCells corresponding to the logical channel configuration of the RLC entity that triggers the SCell-RLF are ⁇ 1, 2, 3, 4, 5 ⁇ , where ⁇ 3, 4 ⁇ is in an active state, and there are two other RLC entities corresponding to the logical channel configuration.
  • the SCell is ⁇ 3, 4 ⁇ and ⁇ 1, 3, 6 ⁇ , then the two RLC entities also need to hang;
  • radio bearer corresponding to the RLC entity may be a bearer configured with a data replication transmission function, or may be a bearer without a data replication transmission function.
  • the first RLC entity or the second RLC entity is a primary RLC or a secondary RLC entity of a PDCP replication function radio bearer in a carrier aggregation architecture.
  • the RLC entity may be a primary RLC corresponding to a CA-based PDCP duplication radio bearer, or may be a secondary RLC: the primary RLC refers to an RLC to which the PDCP delivers new data after the duplication is deactivated, and the RLC is a primary RLC.
  • the secondary RLC means that when the duplication is deactivated, the PDCP stops delivering new data to the RLC, which is a secondary RLC.
  • the action of the UE to suspend the RLC entity is triggered by the SCell-RLF.
  • the data transmitted on the first radio bearer reaches the maximum number of retransmissions on the first RLC entity, and includes:
  • the retransmission counter corresponding to the RLC SDU of the first RLC entity reaches the configured threshold, it is determined that the maximum number of retransmissions is reached on the first RLC entity.
  • the triggering of the SCell-RLF is when the retransmission counter RETX_COUNT corresponding to one RLC SDU of the RLC entity reaches the configured threshold value maxRetxThreshold.
  • the method further includes: setting a retransmission counter corresponding to the first RLC entity to zero.
  • a retransmission counter corresponding to the first RLC entity For the suspended RLC entity, its corresponding UE suspends the RLC entity RETX_COUNT to zero:
  • the retransmission counter corresponding to the first RLC entity is set to zero;
  • the retransmission counter corresponding to the first RLC entity is set to zero.
  • the UE deactivates all active SCells that have a mapping relationship with the RLC entity, and when the first RLC entity is suspended or the second RLC entity is suspended, the mapping with the first RLC entity or the second RLC entity is deactivated.
  • An embodiment of the present invention provides a terminal device, as shown in FIG. 3, including:
  • the processing unit 31 suspends data transmission of the first RLC entity when the data transmitted on the first radio bearer reaches the maximum number of retransmissions on the first RLC entity.
  • the communication unit 32 reports the radio link failure RLF message to the network side.
  • the terminal device may be a terminal device in a mobile communication system, such as a smart terminal, a mobile phone, or the like.
  • the first radio bearer is a signaling radio bearer SRB or a data radio bearer DRB.
  • the associated first RLC entity triggers the SCell-RLF, and the UE suspends the RLC entity.
  • the first radio bearer is: a radio bearer configured with a data replication transmission function, or a radio bearer not configured with a data replication transmission function.
  • the data replication transmission of the first radio bearer is an activated state or a deactivated state.
  • first radio bearer and the first RLC entity have mutually corresponding relationships.
  • the first RLC entity is an RLC entity in an Acknowledge Mode (AM), and the data carrying the logical channel of the first RLC entity is transmitted only on the secondary cell or the secondary cell group.
  • AM Acknowledge Mode
  • This embodiment may be a carrier aggregation CA architecture.
  • CA architecture For a form of the CA architecture, refer to FIG. 2, where each RLC entity corresponds to one wireless carrier.
  • the logical channel corresponding to the RLC entity may be configured with one or a group of cells (groups), and the cells (groups) configured by the two logical channels under the CA duplication are different, so that the copied PDCP PDUs may be different.
  • the p-leg is a transmission path corresponding to the primary RLC entity (for example, the RLC entity a in the figure), and the s-leg corresponds to the transmission path corresponding to the secondary RLC entity (such as the RLC entity b in the figure).
  • the p-leg means that after the CA duplication is deactivated, the PDCP uses the leg by default.
  • the p-leg and the s-leg belong to the non-primary cell or the non-primary cell group; the p-leg corresponds to the PCell/PSCell, s- Leg does not correspond to Pcell; p-leg does not belong to Pcell/PScell, and s-leg belongs to PCell/PSCell.
  • the foregoing communication unit 32 suspends data transmission of the first RLC entity after the first RLC entity is reconstructed.
  • the suspending data transmission of the first RLC entity includes: suspending data transmission of a PDCP entity related to the first RLC entity.
  • the data transmission for suspending the first RLC entity may include data transmission between the suspension and the PDCP entity.
  • the suspending the data transmission of the first RLC entity may further include: deactivating the secondary cell or the secondary cell group corresponding to the first RLC entity.
  • the method further includes: suspending data transmission of the second RLC entity.
  • the second RLC entity and the first RLC entity are both RLCs under the radio bearer configured to replicate data transmission, and the first RLC entity and the second RLC entity all correspond to the first PDCP. That is, the second RLC entity and the first RLC entity may be one primary RLC entity, one secondary RLC entity, that is, the RLC entity a and the RLC entity b in FIG. 2, and both entities correspond to the same one of the PDCP entities.
  • the second PDCP is different from the first PDCP corresponding to the first RLC; the second PDCP is configured with a duplicate data transmission function or an unconfigured duplicate data transmission function;
  • the secondary cell or the secondary cell group corresponding to the second RLC entity there is at least one secondary cell or secondary cell group that is the same as the secondary cell or the secondary cell group corresponding to the first RLC; wherein the first RLC entity and the second RLC entities belong to MCG, SCG, or belong to different CGs. That is to say, there may be a case where two RLC entities belong to different PDCPs respectively; correspondingly, two RLC entities may belong to the same MCG, SCG, or belong to different CGs respectively, for example, one belongs to MCG and belong to SCG.
  • the processing unit 31 includes at least one of the following:
  • the processing unit 31 further includes: a deactivated secondary cell that has an intersection with a secondary cell or a secondary cell group corresponding to the first RLC entity; and after deactivating the secondary cell, the second RLC The entity suspends data transfer or maintains data transfer.
  • the secondary cell group corresponding to the second RLC entity is ⁇ 1234 ⁇
  • the secondary cell group corresponding to the first RLC entity is ⁇ 456 ⁇ .
  • the second RLC entity may deactivate the secondary cell 4 and may select Data transmission is suspended and data transmission can also be maintained.
  • the communication unit 32 includes at least one of the following:
  • the identifier ID of the logical channel including the suspended RLC entity
  • the identifier index of the deactivated secondary cell is included;
  • the bearer identifier ID corresponding to the PDCP that stops the data transmission is included.
  • Suspending the RLC entity by the UE means stopping data transmission or reception of the RLC, that is, the PDCP stops submitting new data to the RLC.
  • the processing unit 31 determines a secondary cell or a secondary cell group configured by a logical channel corresponding to the first RLC entity or the second RLC entity, and determines a secondary cell that is in an active state from the secondary cell or the secondary cell group. Or the auxiliary cell group; suspending the at least one RLC entity corresponding to the auxiliary cell or the auxiliary cell group in the activated state.
  • the UE suspends the RLC entity, and confirms that the SCells in the active state are in one or a group of SCells configured by the logical channel corresponding to the RLC entity, and finds the configuration (partial or full configuration) The logical channels (if any) of these active SCells, the UE suspends the RLC entities corresponding to these logical channels.
  • the UE suspends the RLC entities corresponding to these logical channels.
  • the SCells corresponding to the logical channel configuration of the RLC entity that triggers the SCell-RLF are ⁇ 1, 2, 3, 4, 5 ⁇ , where ⁇ 3, 4 ⁇ is in an active state, and there are two other RLC entities corresponding to the logical channel configuration.
  • the SCell is ⁇ 3, 4 ⁇ and ⁇ 1, 3, 6 ⁇ , then the two RLC entities also need to hang;
  • radio bearer corresponding to the RLC entity may be a bearer configured with a data replication transmission function, or may be a bearer without a data replication transmission function.
  • the first RLC entity or the second RLC entity is a primary RLC or a secondary RLC entity of a PDCP replication function radio bearer in a carrier aggregation architecture.
  • the RLC entity may be a primary RLC corresponding to a CA-based PDCP duplication radio bearer, or may be a secondary RLC: the primary RLC refers to an RLC to which the PDCP delivers new data after the duplication is deactivated, and the RLC is a primary RLC.
  • the secondary RLC means that when the duplication is deactivated, the PDCP stops delivering new data to the RLC, which is a secondary RLC.
  • the action of the UE to suspend the RLC entity is triggered by the SCell-RLF.
  • the data transmitted on the first radio bearer reaches the maximum number of retransmissions on the first RLC entity, and includes:
  • the processing unit 31 determines that the maximum number of retransmissions is reached on the first RLC entity when the retransmission counter corresponding to the RLC SDU of the first RLC entity reaches the configured threshold.
  • the triggering of the SCell-RLF is when the retransmission counter RETX_COUNT corresponding to one RLC SDU of the RLC entity reaches the configured threshold value maxRetxThreshold.
  • the method further includes: setting a retransmission counter corresponding to the first RLC entity to zero.
  • a retransmission counter corresponding to the first RLC entity For the suspended RLC entity, its corresponding UE suspends the RLC entity RETX_COUNT to zero:
  • the processing unit 31 when the first RLC entity is suspended, resets the retransmission counter corresponding to the first RLC entity to zero;
  • the processing unit 31 resets the retransmission counter corresponding to the first RLC entity to zero when the first RLC entity is suspended.
  • the UE deactivates all active SCells that have a mapping relationship with the RLC entity, and when the first RLC entity is suspended or the second RLC entity is suspended, the mapping with the first RLC entity or the second RLC entity is deactivated.
  • the embodiment of the present invention further provides a hardware component architecture of the user equipment or the receiver device.
  • the method includes at least one processor 41, a memory 42, and at least one network interface 43.
  • the various components are coupled together by a bus system 44.
  • bus system 44 is used to implement connection communication between these components.
  • the bus system 44 includes, in addition to the data bus, a power bus, a control bus, and a status signal bus.
  • various buses are labeled as bus system 44 in FIG.
  • the memory 42 in the embodiments of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • memory 42 stores elements, executable modules or data structures, or a subset thereof, or their extension set:
  • the processor 41 is configured to be able to process the method steps of the foregoing first embodiment, and details are not described herein.
  • the embodiment of the present invention provides a computer storage medium, where the computer storage medium stores computer executable instructions, and when the computer executable instructions are executed, the method steps of the foregoing first embodiment are implemented.
  • Embodiments of the Invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • embodiments of the invention are not limited to any specific combination of hardware and software.
  • an embodiment of the present invention further provides a computer storage medium, wherein a computer program is stored, the computer program being configured to execute the data scheduling method of the embodiment of the present invention.

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Abstract

本发明公开了一种终端设备触发数据停止传输的方法、终端设备及计算机存储介质,所述方法包括:当第一无线承载上传输的数据在第一RLC实体上达到最大重传次数时,所述终端设备暂停第一RLC实体的数据传输。

Description

一种终端设备触发数据停止传输的方法及终端设备 技术领域
本发明涉及信息处理技术领域,尤其涉及一种终端设备触发数据停止传输的方法、终端设备及计算机存储介质。
背景技术
对于数据复制传输,在NR目前的讨论中,已经同时基于PDCP duplication方式进行数据复制传输提高数据传输可靠性。NR目前定义了数据复制传输:对于载波聚合情况(CA:carrier aggregation),支持数据复制传输(data duplication)的方案利用PDCP的复制数据功能,使复制的PDCP PDU分别传输到两个RLC entity(两个不同的逻辑信道),并最终保证复制的PDCP PDU能够在不同物理层聚合载波上传输,从而达到频率分集增益以提高数据传输可靠性。
但是,目前并没有讨论如何配置primary RLC实体的小区组配置。
发明内容
为解决上述技术问题,本发明实施例提供了一种终端设备触发数据停止传输的方法、终端设备及计算机存储介质。
本发明实施例提供一种终端设备触发数据停止传输的方法,所述方法包括:
当第一无线承载上传输的数据在第一RLC实体上达到最大重传次数时,所述终端设备暂停第一RLC实体的数据传输。
本发明实施例提供一种终端设备,包括:
处理单元,当第一无线承载上传输的数据在第一RLC实体上达到最大 重传次数时,暂停第一RLC实体的数据传输。
本发明实施例提供的一种终端设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,
其中,所述处理器用于运行所述计算机程序时,执行前述方法的步骤。
本发明实施例提供的一种计算机存储介质,所述计算机存储介质存储有计算机可执行指令,所述计算机可执行指令被执行时实现前述方法步骤。
本发明实施例的技术方案,就能够基于最大重传次数来控制终端设备是否暂停第一RLC实体的数据传输。从而,对于RLC实体,如果对应的逻辑信道配置的小区组全部是辅小区,则不用触发RRC重配置,而只需要报告重传达到最大次数事件,从而减少重配置给终端设备造成的影响。
附图说明
图1为本发明实施例提供的一种终端设备触发数据停止传输的方法流程示意图;
图2为一种双连接网络结构示意图;
图3为本发明实施例终端设备组成结构示意图;
图4为本发明实施例的一种硬件架构示意图。
具体实施方式
为了能够更加详尽地了解本发明实施例的特点与技术内容,下面结合附图对本发明实施例的实现进行详细阐述,所附附图仅供参考说明之用,并非用来限定本发明实施例。
实施例一、
本发明实施例提供了一种终端设备触发数据停止传输的方法,包括:
当第一无线承载上传输的数据在第一RLC实体上达到最大重传次数时,所述终端设备暂停第一RLC实体的数据传输。
具体的,如图1所示,本实施例提供的方法包括以下步骤:
步骤101:当第一无线承载上传输的数据在第一RLC实体上达到最大重传次数时,所述终端设备暂停第一RLC实体的数据传输。
步骤102:所述终端设备向网络侧上报无线链路失败RLF消息。
这里,所述终端设备可以为移动通信系统中的终端设备,比如智能终端,手机等等。
其中,所述第一无线承载为信令无线承载SRB,或者为数据无线承载DRB。通过采用上述方案,对于某个采用CA架构进行PDCP duplication的无线承载(DRB或者SRB),其关联的第一RLC实体触发SCell-RLF,UE挂起(suspend)所述RLC实体。
进一步地,所述第一无线承载为:配置数据复制传输功能的无线承载、或者、未配置数据复制传输功能的无线承载。
并且,当所述第一无线承载为配置数据复制传输功能的无线承载时,所述第一无线承载的数据复制传输为激活状态、或者去激活状态。
还需要理解的是,第一无线承载与第一RLC实体为相互对应的关系。
其中,所述第一RLC实体为确认模式(AM,Acknowledge Mode)的RLC实体,且承载所述第一RLC实体的逻辑信道的数据仅在辅小区、或者辅小区组上传输。
本实施例可以为针对载波聚合CA架构,所述CA架构的一种组成形式可以参见图2,每一个RLC实体对应一个无线载波。基于图2提供的架构,RLC实体对应的逻辑信道可以配置一个或者一组小区(组),CA duplication下的两个逻辑信道所配置的小区(组)不同,这样可以使得复制的PDCP PDU在不同的载波传输,还可以定义p-leg是主RLC实体(比如,图中的RLC实体a)对应的传输路径,s-leg对应辅RLC实体(比如图中的RLC实体b)对应的传输路径。其中p-leg指的是当CA duplication去激活以后,PDCP 默认使用leg,比如:p-leg和s-leg均属于非主小区或非主小区组;p-leg与PCell/PSCell对应,s-leg不与Pcell对应;p-leg不属于Pcell/PScell,s-leg属于PCell/PSCell。
前述步骤102中,所述终端设备暂停第一RLC实体的数据传输,包括:
重建所述第一RLC实体之后,暂停所述第一RLC实体的数据传输。
其中,所述暂停第一RLC实体的数据传输,包括:暂停与所述第一RLC实体相关的PDCP实体的数据传输。结合图2中所述的架构,可以看出RLC实体与PDCP具备相互传输数据的关系,因此,暂停第一RLC实体的数据传输中可以包括有暂停与PDCP实体之间的数据传输。
另外,所述暂停第一RLC实体的数据传输,还可以包括:去激活第一RLC实体对应的辅小区、或者辅小区组。
此外,所述暂停第一RLC实体的数据传输时,还包括:暂停第二RLC实体的数据传输。
其中,所述第二RLC实体与第一RLC实体均为配置复制数据传输的无线承载下的RLC,且所述第一RLC实体以及所述第二RLC实体均对应第一PDCP。也就是说,第二RLC实体与第一RLC实体可以为一个主RLC实体一个辅RLC实体,即图2中的RLC实体a以及RLC实体b,两个实体均对应相同的一个PDCP实体。
或者,第二RLC实体对应第二PDCP、且所述第二PDCP与所述第一RLC所对应的第一PDCP不同;所述第二PDCP配置复制数据传输功能或未配置复制数据传输功能;所述第二RLC实体对应的辅小区或者辅小区组中,至少存在一个与第一RLC对应的辅小区或者辅小区组相同的辅小区或者辅小区组;其中,所述第一RLC实体与第二RLC实体均属于MCG、SCG、或者分别属于不同的CG。也就是说,还可以存在一种情况,就是两个RLC实体分别属于不同的PDCP;相应的,两个RLC实体也可以分别属于相同 的MCG、SCG,或者分别属于不同的CG,比如,一个属于MCG以及属于SCG。
具体来说,所述暂停第二RLC实体的数据传输包括以下至少之一:
重建所述第二RLC实体之后,暂停所述第二RLC实体的数据传输;
暂停与所述第二RLC实体相关的第二PDCP实体的数据传输;
去激活第二RLC实体对应的辅小区、或者辅小区组。
其中,暂停第二RLC实体数据传输时,还包括:去激活与第一RLC实体所对应辅小区或者辅小区组有交集的辅小区;去激活所述辅小区后,第二RLC实体暂停数据传输或者保持数据传输。比如,第二RLC实体对应的辅小区组为{1234},第一RLC实体对应的辅小区组为{456},在这种情况下,第二RLC实体可以去激活辅小区4,同时可以选择暂停数据传输,也可以保持数据传输。
所述方法还包括以下至少之一:
在所述上报RLF的消息中,包含挂起的RLC实体的逻辑信道的标识ID;
在所述上报RLF的消息中,包含去激活的辅小区的标识index;
在所述上报RLF的消息中,包含停止数据传输的PDCP所对应的承载标识ID。
所述UE挂起所述RLC实体,是指停止该RLC的数据发送或者接收,也就是PDCP停止往该RLC递交新数据。
所述方法还包括:
确定与所述第一RLC实体或第二RLC实体对应的逻辑信道所配置的辅助小区或辅助小区组;从所述辅助小区或辅助小区组中确定处于激活状态的辅助小区或者辅助小区组;将所述处于激活状态的辅助小区或者辅助小区组所对应的至少一个RLC实体挂起。
也就是说,所述UE挂起所述RLC实体,跟所述RLC实体对应的逻辑信道所配置的一个或一组SCells中,确认其中处于激活状态的SCells,同时找到配置了(部分或者全部配置)这些处于激活状态的SCells的逻辑信道(如果有),UE挂起跟这些逻辑信道对应的RLC实体。比如:
所述触发SCell-RLF的RLC实体对应逻辑信道配置的SCells为{1,2,3,4,5},其中{3,4}处于激活状态,有另外两个RLC实体,其对应逻辑信道配置的SCell为{3,4}和{1,3,6},那么这两个RLC实体也需要挂起;
以及,所述RLC实体所对应的的无线承载可以是配置了数据复制传输功能的承载,也可以是没有配置数据复制传输功能的承载。
所述第一RLC实体或第二RLC实体为载波聚合架构中的PDCP复制功能无线承载的主RLC或者辅RLC实体。所述RLC实体可以是对应该CA架构PDCP duplication无线承载的primary RLC,也可以是secondary RLC:所述primary RLC是指当duplication去激活以后,PDCP将新数据递交给的RLC,该RLC为primary RLC;所述secondary RLC是指当duplication去激活以后,PDCP停止将新数据递交给RLC,该RLC为secondary RLC。
所述UE挂起RLC实体的动作是由SCell-RLF触发的,具体的,所述第一无线承载上传输的数据在第一RLC实体上达到最大重传次数,还包括:
当所述第一RLC实体的RLC SDU所对应的重传计数器达到配置的门限值时,确定第一RLC实体上达到最大重传次数。
也就是说,所述SCell-RLF的触发是当所述RLC实体的某一个RLC SDU所对应的重传计数器RETX_COUNT达到配置的门限值maxRetxThreshold。
然后还可以包括,将所述第一RLC实体对应的重传计数器置零。对于所述挂起的RLC实体,其对应的UE挂起RLC实体RETX_COUNT置零:
当挂起所述第一RLC实体时,将所述第一RLC实体对应的重传计数器 置零;
或者,当挂起所述第一RLC实体之后重新恢复时,将所述第一RLC实体对应的重传计数器置零。
所述UE去激活跟该RLC实体有映射关系的所有处于激活状态的SCells,暂停第一RLC实体或者暂停第二RLC实体时,去激活与第一RLC实体或者第二RLC实体具备映射关系的处于激活状态的辅助小区、或者辅助小区组所对应的无线承载的数据复制传输功能。也就是说,UE可以去激活对应承载的数据复制传输功能。
可见,通过采用上述方案,就能够基于最大重传次数来控制终端设备是否暂停第一RLC实体的数据传输。从而,对于RLC实体,如果对应的逻辑信道配置的小区组全部是辅小区,则不用触发RRC重配置,而只需要报告重传达到最大次数事件,从而减少重配置给终端设备造成的影响。
实施例二、
本发明实施例提供了一种终端设备,如图3所示,包括:
处理单元31,当第一无线承载上传输的数据在第一RLC实体上达到最大重传次数时,所述终端设备暂停第一RLC实体的数据传输。
通信单元32,向网络侧上报无线链路失败RLF消息。
这里,所述终端设备可以为移动通信系统中的终端设备,比如智能终端,手机等等。
其中,所述第一无线承载为信令无线承载SRB,或者为数据无线承载DRB。通过采用上述方案,对于某个采用CA架构进行PDCP duplication的无线承载(DRB或者SRB),其关联的第一RLC实体触发SCell-RLF,UE挂起(suspend)所述RLC实体。
进一步地,所述第一无线承载为:配置数据复制传输功能的无线承载、或者、未配置数据复制传输功能的无线承载。
并且,当所述第一无线承载为配置数据复制传输功能的无线承载时,所述第一无线承载的数据复制传输为激活状态、或者去激活状态。
还需要理解的是,第一无线承载与第一RLC实体为相互对应的关系。
其中,所述第一RLC实体为确认模式(AM,Acknowledge Mode)的RLC实体,且承载所述第一RLC实体的逻辑信道的数据仅在辅小区、或者辅小区组上传输。
本实施例可以为针对载波聚合CA架构,所述CA架构的一种组成形式可以参见图2,每一个RLC实体对应一个无线载波。基于图2提供的架构,RLC实体对应的逻辑信道可以配置一个或者一组小区(组),CA duplication下的两个逻辑信道所配置的小区(组)不同,这样可以使得复制的PDCP PDU在不同的载波传输,还可以定义p-leg是主RLC实体(比如,图中的RLC实体a)对应的传输路径,s-leg对应辅RLC实体(比如图中的RLC实体b)对应的传输路径。其中p-leg指的是当CA duplication去激活以后,PDCP默认使用leg,比如:p-leg和s-leg均属于非主小区或非主小区组;p-leg与PCell/PSCell对应,s-leg不与Pcell对应;p-leg不属于Pcell/PScell,s-leg属于PCell/PSCell。
前述通信单元32,重建所述第一RLC实体之后,暂停所述第一RLC实体的数据传输。
其中,所述暂停第一RLC实体的数据传输,包括:暂停与所述第一RLC实体相关的PDCP实体的数据传输。结合图2中所述的架构,可以看出RLC实体与PDCP具备相互传输数据的关系,因此,暂停第一RLC实体的数据传输中可以包括有暂停与PDCP实体之间的数据传输。
另外,所述暂停第一RLC实体的数据传输,还可以包括:去激活第一RLC实体对应的辅小区、或者辅小区组。
此外,所述暂停第一RLC实体的数据传输时,还包括:暂停第二RLC 实体的数据传输。
其中,所述第二RLC实体与第一RLC实体均为配置复制数据传输的无线承载下的RLC,且所述第一RLC实体以及所述第二RLC实体均对应第一PDCP。也就是说,第二RLC实体与第一RLC实体可以为一个主RLC实体一个辅RLC实体,即图2中的RLC实体a以及RLC实体b,两个实体均对应相同的一个PDCP实体。
或者,第二RLC实体对应第二PDCP、且所述第二PDCP与所述第一RLC所对应的第一PDCP不同;所述第二PDCP配置复制数据传输功能或未配置复制数据传输功能;所述第二RLC实体对应的辅小区或者辅小区组中,至少存在一个与第一RLC对应的辅小区或者辅小区组相同的辅小区或者辅小区组;其中,所述第一RLC实体与第二RLC实体均属于MCG、SCG、或者分别属于不同的CG。也就是说,还可以存在一种情况,就是两个RLC实体分别属于不同的PDCP;相应的,两个RLC实体也可以分别属于相同的MCG、SCG,或者分别属于不同的CG,比如,一个属于MCG以及属于SCG。
具体来说,所述处理单元31,包括以下至少之一:
重建所述第二RLC实体之后,暂停所述第二RLC实体的数据传输;
暂停与所述第二RLC实体相关的第二PDCP实体的数据传输;
去激活第二RLC实体对应的辅小区、或者辅小区组。
其中,暂停第二RLC实体数据传输时,还包括:处理单元31,去激活与第一RLC实体所对应辅小区或者辅小区组有交集的辅小区;去激活所述辅小区后,第二RLC实体暂停数据传输或者保持数据传输。比如,第二RLC实体对应的辅小区组为{1234},第一RLC实体对应的辅小区组为{456},在这种情况下,第二RLC实体可以去激活辅小区4,同时可以选择暂停数据传输,也可以保持数据传输。
所述通信单元32,包括以下至少之一:
在所述上报RLF的消息中,包含挂起的RLC实体的逻辑信道的标识ID;
在所述上报RLF的消息中,包含去激活的辅小区的标识index;
在所述上报RLF的消息中,包含停止数据传输的PDCP所对应的承载标识ID。
所述UE挂起所述RLC实体,是指停止该RLC的数据发送或者接收,也就是PDCP停止往该RLC递交新数据。
所述处理单元31,确定与所述第一RLC实体或第二RLC实体对应的逻辑信道所配置的辅助小区或辅助小区组;从所述辅助小区或辅助小区组中确定处于激活状态的辅助小区或者辅助小区组;将所述处于激活状态的辅助小区或者辅助小区组所对应的至少一个RLC实体挂起。
也就是说,所述UE挂起所述RLC实体,跟所述RLC实体对应的逻辑信道所配置的一个或一组SCells中,确认其中处于激活状态的SCells,同时找到配置了(部分或者全部配置)这些处于激活状态的SCells的逻辑信道(如果有),UE挂起跟这些逻辑信道对应的RLC实体。比如:
所述触发SCell-RLF的RLC实体对应逻辑信道配置的SCells为{1,2,3,4,5},其中{3,4}处于激活状态,有另外两个RLC实体,其对应逻辑信道配置的SCell为{3,4}和{1,3,6},那么这两个RLC实体也需要挂起;
以及,所述RLC实体所对应的的无线承载可以是配置了数据复制传输功能的承载,也可以是没有配置数据复制传输功能的承载。
所述第一RLC实体或第二RLC实体为载波聚合架构中的PDCP复制功能无线承载的主RLC或者辅RLC实体。所述RLC实体可以是对应该CA架构PDCP duplication无线承载的primary RLC,也可以是secondary RLC:所述primary RLC是指当duplication去激活以后,PDCP将新数据递交给的 RLC,该RLC为primary RLC;所述secondary RLC是指当duplication去激活以后,PDCP停止将新数据递交给RLC,该RLC为secondary RLC。
所述UE挂起RLC实体的动作是由SCell-RLF触发的,具体的,所述第一无线承载上传输的数据在第一RLC实体上达到最大重传次数,还包括:
处理单元31,当所述第一RLC实体的RLC SDU所对应的重传计数器达到配置的门限值时,确定第一RLC实体上达到最大重传次数。
也就是说,所述SCell-RLF的触发是当所述RLC实体的某一个RLC SDU所对应的重传计数器RETX_COUNT达到配置的门限值maxRetxThreshold。
然后还可以包括,将所述第一RLC实体对应的重传计数器置零。对于所述挂起的RLC实体,其对应的UE挂起RLC实体RETX_COUNT置零:
处理单元31,当挂起所述第一RLC实体时,将所述第一RLC实体对应的重传计数器置零;
或者,处理单元31,当挂起所述第一RLC实体之后重新恢复时,将所述第一RLC实体对应的重传计数器置零。
所述UE去激活跟该RLC实体有映射关系的所有处于激活状态的SCells,暂停第一RLC实体或者暂停第二RLC实体时,去激活与第一RLC实体或者第二RLC实体具备映射关系的处于激活状态的辅助小区、或者辅助小区组所对应的无线承载的数据复制传输功能。也就是说,UE可以去激活对应承载的数据复制传输功能。
可见,通过采用上述方案,就能够基于最大重传次数来控制终端设备是否暂停第一RLC实体的数据传输。从而,对于RLC实体,如果对应的逻辑信道配置的小区组全部是辅小区,则不用触发RRC重配置,而只需要报告重传达到最大次数事件,从而减少重配置给终端设备造成的影响。
本发明实施例还提供了一种用户设备、或接收方设备的硬件组成架构, 如图4所示,包括:至少一个处理器41、存储器42、至少一个网络接口43。各个组件通过总线系统44耦合在一起。可理解,总线系统44用于实现这些组件之间的连接通信。总线系统44除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见,在图4中将各种总线都标为总线系统44。
可以理解,本发明实施例中的存储器42可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。
在一些实施方式中,存储器42存储了如下的元素,可执行模块或者数据结构,或者他们的子集,或者他们的扩展集:
操作系统421和应用程序422。
其中,所述处理器41配置为:能够处理前述实施例一的方法步骤,这里不再进行赘述。
本发明实施例提供的一种计算机存储介质,所述计算机存储介质存储有计算机可执行指令,所述计算机可执行指令被执行时实施前述实施例一的方法步骤。
本发明实施例上述装置如果以软件功能模块的形式实现并作为独立的产品销售或使用时,也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,本发明实施例的技术方案本质上或者说对现有技术做出贡献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)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read Only Memory)、磁碟或者光盘等各种可以存储程序代码的介质。这样,本发明实施例不限制于任何特定的硬件和软件结合。
相应地,本发明实施例还提供一种计算机存储介质,其中存储有计算 机程序,该计算机程序配置为执行本发明实施例的数据调度方法。
尽管为示例目的,已经公开了本发明的优选实施例,本领域的技术人员将意识到各种改进、增加和取代也是可能的,因此,本发明的范围应当不限于上述实施例。

Claims (44)

  1. 一种终端设备触发数据停止传输的方法,所述方法包括:
    当第一无线承载上传输的数据在第一RLC实体上达到最大重传次数时,所述终端设备暂停第一RLC实体的数据传输。
  2. 根据权利要求1所述的方法,其中,所述方法还包括:
    所述终端设备向网络侧上报无线链路失败RLF消息。
  3. 根据权利要求1所述的方法,其中,所述第一无线承载为信令无线承载SRB,或者为数据无线承载DRB。
  4. 根据权利要求1所述的方法,其中,所述第一无线承载为:配置数据复制传输功能的无线承载、或者、未配置数据复制传输功能的无线承载。
  5. 根据权利要求4所述的方法,其中,所述方法还包括:
    当所述第一无线承载为配置数据复制传输功能的无线承载时,所述第一无线承载的数据复制传输为激活状态、或者去激活状态。
  6. 根据权利要求1所述的方法,其中,
    所述第一RLC实体为AM模式的RLC实体,且承载所述第一RLC实体的逻辑信道的数据仅在辅小区、或者辅小区组上传输。
  7. 根据权利要求1所述的方法,其中,所述终端设备暂停第一RLC实体的数据传输,包括:
    重建所述第一RLC实体之后,暂停所述第一RLC实体的数据传输。
  8. 根据权利要求7所述的方法,其中,所述暂停第一RLC实体的数据传输,包括:
    暂停与所述第一RLC实体相关的PDCP实体的数据传输。
  9. 根据权利要求1所述的方法,其中,所述暂停第一RLC实体的数据传输,包括:
    去激活第一RLC实体对应的辅小区、或者辅小区组。
  10. 根据权利要求1所述的方法,其中,所述暂停第一RLC实体的数据传输时,所述方法还包括:
    暂停第二RLC实体的数据传输。
  11. 根据权利要求10所述的方法,其中,所述第二RLC实体与第一RLC实体均为配置复制数据传输的无线承载下的RLC,且所述第一RLC实体以及所述第二RLC实体均对应第一PDCP。
  12. 根据权利要求10所述的方法,其中,
    第二RLC实体对应第二PDCP、且所述第二PDCP与所述第一RLC所对应的第一PDCP不同;所述第二PDCP配置复制数据传输功能或未配置复制数据传输功能;
    所述第二RLC实体对应的辅小区或者辅小区组中,至少存在一个与第一RLC对应的辅小区或者辅小区组相同的辅小区或者辅小区组;
    其中,所述第一RLC实体与第二RLC实体均属于MCG、SCG、或者分别属于不同的CG。
  13. 根据权利要求10所述的方法,其中,所述暂停第二RLC实体的数据传输包括以下至少之一:
    重建所述第二RLC实体之后,暂停所述第二RLC实体的数据传输;
    暂停与所述第二RLC实体相关的第二PDCP实体的数据传输;
    去激活第二RLC实体对应的辅小区、或者辅小区组。
  14. 根据权利要求13所述的方法,其中,所述暂停第二RLC实体数据传输时,还包括:
    去激活与第一RLC实体所对应辅小区或者辅小区组有交集的辅小区;
    去激活所述辅小区后,第二RLC实体暂停数据传输或者保持数据传输。
  15. 根据权利要求2所述的方法,其中,所述方法还包括以下至少之一:
    在所述上报RLF的消息中,包含挂起的RLC实体的逻辑信道的标识ID;
    在所述上报RLF的消息中,包含去激活的辅小区的标识index;
    在所述上报RLF的消息中,包含停止数据传输的PDCP所对应的承载标识ID。
  16. 根据权利要求10所述的方法,其中,所述方法还包括:
    确定与所述第一RLC实体或第二RLC实体对应的逻辑信道所配置的辅助小区或辅助小区组;
    从所述辅助小区或辅助小区组中确定处于激活状态的辅助小区或者辅助小区组;
    将所述处于激活状态的辅助小区或者辅助小区组所对应的至少一个RLC实体挂起。
  17. 根据权利要求10所述的方法,其中,所述第一RLC实体或第二RLC实体为载波聚合架构中的PDCP复制功能无线承载的主RLC或者辅RLC实体。
  18. 根据权利要求1所述的方法,其中,所述第一无线承载上传输的数据在第一RLC实体上达到最大重传次数,还包括:
    当所述第一RLC实体的RLC SDU所对应的重传计数器达到配置的门限值时,确定第一RLC实体上达到最大重传次数。
  19. 根据权利要求18所述的方法,其中,所述方法还包括:
    将所述第一RLC实体对应的重传计数器置零。
  20. 根据权利要求19所述的方法,其中,所述将所述第一RLC实体对应的重传计数器置零,包括:
    当挂起所述第一RLC实体时,将所述第一RLC实体对应的重传计数器置零;
    或者,当挂起所述第一RLC实体之后重新恢复时,将所述第一RLC实体对应的重传计数器置零。
  21. 根据权利要求10所述的方法,其中,所述方法还包括:
    暂停第一RLC实体或者暂停第二RLC实体时,去激活与第一RLC实体或者第二RLC实体具备映射关系的处于激活状态的辅助小区、或者辅助小区组所对应的无线承载的数据复制传输功能。
  22. 一种终端设备,包括:
    处理单元,当第一无线承载上传输的数据在第一RLC实体上达到最大重传次数时,暂停第一RLC实体的数据传输。
  23. 根据权利要求22所述的终端设备,其中,所述终端设备还包括:
    通信单元,向网络侧上报无线链路失败RLF消息。
  24. 根据权利要求22所述的终端设备,其中,所述第一无线承载为信令无线承载SRB,或者为数据无线承载DRB。
  25. 根据权利要求22所述的终端设备,其中,所述第一无线承载为:配置数据复制传输功能的无线承载、或者、未配置数据复制传输功能的无线承载。
  26. 根据权利要求25所述的终端设备,其中,所述处理单元,当所述第一无线承载为配置数据复制传输功能的无线承载时,所述第一无线承载的数据复制传输为激活状态、或者去激活状态。
  27. 根据权利要求22所述的终端设备,其中,所述第一RLC实体为AM模式的RLC实体,且承载所述第一RLC实体的逻辑信道的数据仅在辅小区、或者辅小区组上传输。
  28. 根据权利要求22所述的终端设备,其中,所述处理单元,重建所述第一RLC实体之后,暂停所述第一RLC实体的数据传输。
  29. 根据权利要求28所述的终端设备,其中,所述处理单元,暂停与 所述第一RLC实体相关的PDCP实体的数据传输。
  30. 根据权利要求22所述的终端设备,其中,所述处理单元,去激活第一RLC实体对应的辅小区、或者辅小区组。
  31. 根据权利要求22所述的终端设备,其中,所述处理单元,暂停第二RLC实体的数据传输。
  32. 根据权利要求31所述的终端设备,其中,所述第二RLC实体与第一RLC实体均为配置复制数据传输的无线承载下的RLC,且所述第一RLC实体以及所述第二RLC实体均对应第一PDCP。
  33. 根据权利要求31所述的终端设备,其中,
    第二RLC实体对应第二PDCP、且所述第二PDCP与所述第一RLC所对应的第一PDCP不同;所述第二PDCP配置复制数据传输功能或未配置复制数据传输功能;
    所述第二RLC实体对应的辅小区或者辅小区组中,至少存在一个与第一RLC对应的辅小区或者辅小区组相同的辅小区或者辅小区组;
    其中,所述第一RLC实体与第二RLC实体均属于MCG、SCG、或者分别属于不同的CG。
  34. 根据权利要求31所述的终端设备,其中,所述处理单元,执行以下至少之一:
    重建所述第二RLC实体之后,暂停所述第二RLC实体的数据传输;
    暂停与所述第二RLC实体相关的第二PDCP实体的数据传输;
    去激活第二RLC实体对应的辅小区、或者辅小区组。
  35. 根据权利要求34所述的终端设备,其中,所述处理单元,去激活与第一RLC实体所对应辅小区或者辅小区组有交集的辅小区;
    去激活所述辅小区后,第二RLC实体暂停数据传输或者保持数据传输。
  36. 根据权利要求23所述的终端设备,其中,所述通信单元,执行以 下至少之一:
    在所述上报RLF的消息中,包含挂起的RLC实体的逻辑信道的标识ID;
    在所述上报RLF的消息中,包含去激活的辅小区的标识index;
    在所述上报RLF的消息中,包含停止数据传输的PDCP所对应的承载标识ID。
  37. 根据权利要求31所述的终端设备,其中,所述处理单元,确定与所述第一RLC实体或第二RLC实体对应的逻辑信道所配置的辅助小区或辅助小区组;从所述辅助小区或辅助小区组中确定处于激活状态的辅助小区或者辅助小区组;将所述处于激活状态的辅助小区或者辅助小区组所对应的至少一个RLC实体挂起。
  38. 根据权利要求31所述的终端设备,其中,所述第一RLC实体或第二RLC实体为载波聚合架构中的PDCP复制功能无线承载的主RLC或者辅RLC实体。
  39. 根据权利要求22所述的终端设备,其中,所述处理单元,当所述第一RLC实体的RLC SDU所对应的重传计数器达到配置的门限值时,确定第一RLC实体上达到最大重传次数。
  40. 根据权利要求39所述的终端设备,其中,所述处理单元,将所述第一RLC实体对应的重传计数器置零。
  41. 根据权利要求40所述的终端设备,其中,所述处理单元,当挂起所述第一RLC实体时,将所述第一RLC实体对应的重传计数器置零;
    或者,当挂起所述第一RLC实体之后重新恢复时,将所述第一RLC实体对应的重传计数器置零。
  42. 根据权利要求31所述的终端设备,其中,所述处理单元,暂停第一RLC实体或者暂停第二RLC实体时,去激活与第一RLC实体或者第二 RLC实体具备映射关系的处于激活状态的辅助小区、或者辅助小区组所对应的无线承载的数据复制传输功能。
  43. 一种终端设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,
    其中,所述处理器用于运行所述计算机程序时,执行权利要求1-21任一项所述方法的步骤。
  44. 一种计算机存储介质,所述计算机存储介质存储有计算机可执行指令,所述计算机可执行指令被执行时实现权利要求1-21任一项所述方法的步骤。
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