WO2023123212A1 - 通信方法及通信装置 - Google Patents

通信方法及通信装置 Download PDF

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Publication number
WO2023123212A1
WO2023123212A1 PCT/CN2021/143100 CN2021143100W WO2023123212A1 WO 2023123212 A1 WO2023123212 A1 WO 2023123212A1 CN 2021143100 W CN2021143100 W CN 2021143100W WO 2023123212 A1 WO2023123212 A1 WO 2023123212A1
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WO
WIPO (PCT)
Prior art keywords
entity
target
terminal device
pdcp
layer
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PCT/CN2021/143100
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English (en)
French (fr)
Inventor
张博源
卢前溪
付喆
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Oppo广东移动通信有限公司
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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 PCT/CN2021/143100 priority Critical patent/WO2023123212A1/zh
Publication of WO2023123212A1 publication Critical patent/WO2023123212A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received

Definitions

  • the present application relates to the technical field of communication, and more specifically, to a communication method and a communication device.
  • NC network coding
  • the present application provides a communication method and a communication device capable of realizing NC functions in a communication system.
  • a communication method including: a network coding layer preset in a terminal device receives a first request message from an upper layer of the network coding layer, and the first request message is used to request to establish a network encoding an NC entity; the network encoding layer of the terminal device establishing the target NC entity based on the first request message.
  • a communication method including: the terminal device establishes a network coding NC entity in the PDCP entity based on the reception of a user plane bearer DRB in the PDCP entity.
  • a communication device including: a receiving unit, configured to receive a first request message from an upper layer of the network coding layer, where the first request message is used to request establishment of a network coding NC entity; An establishing unit, configured to establish the target NC entity based on the first request message.
  • a communication device including: an establishment unit configured to establish a network coding NC entity in the PDCP entity based on the reception of a user plane bearer DRB in the PDCP entity.
  • a communication device including a memory and a processor, the memory is used to store a program, and the processor is used to invoke the program in the memory to execute the method according to the first aspect.
  • a communication device including a memory and a processor, the memory is used to store a program, and the processor is used to invoke the program in the memory to execute the method described in the second aspect.
  • a communication device including a processor, configured to call a program from a memory to execute the method described in the first aspect.
  • a communication device including a processor, configured to call a program from a memory to execute the method described in the second aspect.
  • a ninth aspect provides a chip, including a processor, configured to call a program from a memory, so that a device installed with the chip executes the method described in the first aspect.
  • a chip including a processor, configured to call a program from a memory, so that a device installed with the chip executes the method described in the second aspect.
  • a computer-readable storage medium on which a program is stored, and the program causes a computer to execute the method described in the first aspect.
  • a computer-readable storage medium on which a program is stored, and the program causes a computer to execute the method described in the second aspect.
  • a thirteenth aspect provides a computer program product, including a program, the program causes a computer to execute the method described in the first aspect.
  • a fourteenth aspect provides a computer program product, including a program, the program causes a computer to execute the method described in the second aspect.
  • a fifteenth aspect provides a computer program, the computer program causes a computer to execute the method described in the first aspect.
  • a sixteenth aspect provides a computer program, the computer program causes a computer to execute the method described in the second aspect.
  • the network coding layer preset in the terminal device receives the first request message from the upper layer of the network coding layer, and establishes the target NC entity based on the first request message, which can be Realize NC function in the communication system.
  • FIG. 1 is an exemplary diagram of a wireless communication system applied in an embodiment of the present application.
  • FIG. 2 is an example diagram of a protocol stack applied in an embodiment of the present application.
  • Fig. 3 is a schematic flowchart of a communication method provided by an embodiment of the present application.
  • Fig. 4 is a schematic flowchart of a communication method provided by another embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of a communication device provided by another embodiment of the present application.
  • Fig. 7 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • FIG. 1 is a wireless communication system 100 applied in an embodiment of the present application.
  • the wireless communication system 100 may include a network device 110 and a user equipment (user equipment, UE) 120.
  • Network device 110 may communicate with UE 120 .
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with UEs 120 located within the coverage area.
  • the UE 120 can access a network (such as a wireless network) through the network device 110 .
  • FIG. 1 exemplarily shows one network device and two UEs.
  • the wireless communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the wireless communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems, for example: the fifth generation (5th generation, 5G) system or new radio (new radio, NR), long term evolution (long term evolution, LTE) system , LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD), etc.
  • the technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system, and satellite communication systems, and so on.
  • the UE in the embodiment of the present application may also be referred to as a terminal device, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station (mobile station, MS), a mobile terminal (mobile Terminal, MT), a remote station, and a remote terminal.
  • a terminal device an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station (mobile station, MS), a mobile terminal (mobile Terminal, MT), a remote station, and a remote terminal.
  • mobile device, user terminal, terminal, wireless communication device, user agent, or user device may be a device that provides voice and/or data connectivity to users, and may be used to connect people, objects and machines, such as handheld devices with wireless connection functions, vehicle-mounted devices, and the like.
  • the UE in the embodiment of the present application can be a mobile phone (mobile phone), a tablet computer (Pad), a notebook computer, a palmtop computer, a mobile internet device (mobile internet device, MID), a wearable device, a virtual reality (virtual reality, VR ) equipment, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control (industrial control), wireless terminals in self driving (self driving), wireless terminals in remote medical surgery (remote medical surgery), smart grid Wireless terminals in (smart grid), wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home, etc.
  • UE can be used to act as a base station.
  • a UE may act as a scheduling entity that provides sidelink signals between UEs in V2X or D2D, etc.
  • a cell phone and an automobile communicate with each other using sidelink signals. Communication between cellular phones and smart home devices without relaying communication signals through base stations.
  • the network device in the embodiment of the present application may be a device for communicating with UE, and the network device may also be called an access network device or a wireless access network device, for example, the network device may be a base station.
  • the network device in this embodiment of the present application may refer to a radio access network (radio access network, RAN) node (or device) that connects the UE to the wireless network.
  • radio access network radio access network, RAN
  • the base station can broadly cover various names in the following, or replace with the following names, such as: Node B (NodeB), evolved base station (evolved NodeB, eNB), next generation base station (next generation NodeB, gNB), relay station, Access point, transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP), primary station MeNB, secondary station SeNB, multi-standard wireless (MSR) node, home base station, network controller, access node , wireless node, access point (access piont, AP), transmission node, transceiver node, base band unit (base band unit, BBU), remote radio unit (Remote Radio Unit, RRU), active antenna unit (active antenna unit) , AAU), radio head (remote radio head, RRH), central unit (central unit, CU), distributed unit (distributed unit, DU), positioning nodes, etc.
  • a base station may be a macro base station, a micro base station, a relay node,
  • network devices may be fixed or mobile.
  • a helicopter or drone may be configured to act as a mobile network device, and one or more cells may move according to the location of the mobile network device.
  • a helicopter or drone may be configured to act as a device communicating with another network device.
  • the network device may refer to a CU or a DU, or the network device may include a CU and a DU, or the network device may also include an AAU.
  • network devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on airplanes, balloons and satellites in the air.
  • network devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on airplanes, balloons and satellites in the air.
  • network device there is no limitation on the network device and the scenarios in the embodiment of the present application.
  • NC network coding
  • the present application proposes a communication method and a communication device, capable of realizing NC functions in a communication system.
  • the method in the embodiment of the present application is applicable to the network device 110 and the terminal device 120 in FIG. 1 .
  • FIG. 3 is a schematic flowchart of a communication method according to an embodiment of the present application. It should be understood that FIG. 3 shows the steps or operations of the communication method, but these steps or operations are only examples. In this embodiment of the present application, other operations or variations of the operations in FIG. 3 may be performed, or not all steps are need to be performed, alternatively, the steps can be performed in another order.
  • the method 300 shown in FIG. 3 may include steps S310 and S320, specifically as follows:
  • a network coding layer preset in the terminal device receives a first request message from a layer above the network coding layer.
  • the preset network coding layer may refer to: (in the protocol stack) a layer newly added for establishing the NC entity.
  • Fig. 2 is a schematic diagram of a protocol stack in a communication system, which includes a radio resource control (radio resource control, RRC) layer, a packet data convergence protocol (packet data convergence protocol, PDCP) layer, a radio link control (radio link control, RLC) layer, media access control (media access control, MAC) layer and physical (physical, PHY) layer.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • RLC radio link control
  • media access control media access control
  • MAC media access control
  • PHY physical
  • the preset network coding layer can be located between the PDCP layer and the RLC layer; or, the preset network coding layer can be located between the RLC layer and the MAC layer; or, the preset network coding layer can also be located in other The location is not limited in this embodiment of the present application.
  • the first request message may be used to request to establish a network coding NC entity.
  • the first request message may be used to request to establish an NC entity whose coding granularity is the target granularity.
  • the target NC entity may be an NC entity whose coding granularity includes the target granularity.
  • the first request message may be a radio resource control (radio resource control, RRC) reestablishment (reestablishment) message, or the first request message may be carried in an RRC reestablishment message; or, the first request message It may also be a message for indicating data transmission (for example, the first request message may indicate that the terminal device has a new air interface (Uu) user plane bearer ((user) data radio bearer, DRB) data transmission).
  • RRC radio resource control
  • the target granularity may include at least one of the following granularities: bearer, bearer list, terminal device, quality of service (quality of service, QoS) flow (flow), and quality of service flow list.
  • taking the bearer as the granularity may refer to establishing an NC entity for the target bearer; taking the bearer list as the granularity may refer to establishing an NC entity for one or more target bearers in the bearer list; taking the terminal device as the granularity may refer to establishing an NC entity for the terminal device ; Taking the quality of service flow as the granularity may refer to establishing an NC entity for the target quality of service flow; taking the quality of service flow list as the granularity may refer to establishing an NC entity for one or more target quality of service flows in the quality of service flow list.
  • the network coding layer of the terminal device establishes the target NC entity based on the first request message.
  • the terminal device may establish an NC entity based on the first request message when performing RRC re-establishment; or, the terminal device may transmit data when there is a new air interface (Uu) user plane bearer ((user) data radio bearer, DRB)
  • a new air interface User plane bearer ((user) data radio bearer, DRB)
  • an NC entity is established based on the first request message (for example, an NC entity is established for a DRB).
  • the RRC re-establishment message may include NC parameters corresponding to the RRC configuration, and the terminal device may establish an NC entity according to the NC parameters.
  • the network coding layer in the terminal device may also initialize configuration parameters pre-associated with the target NC entity. For example, before establishing the target NC entity, the terminal device may initialize configuration parameters pre-associated with the target NC entity.
  • the configuration parameters may include at least one parameter in the following parameters: serial number (for example, secondary node (secondary node, SN) number), code profile (code profile), routing segment (segment) length, routing segment packet processing number.
  • serial number for example, secondary node (secondary node, SN) number
  • code profile code profile
  • routing segment segment length
  • routing segment packet processing number for example, routing segment packet processing number
  • the network coding layer in the terminal device may clear the buffer pre-allocated for the target NC entity in the terminal device. For example, before establishing the target NC entity, the terminal device may clear the buffer pre-allocated for the target NC entity in the terminal device.
  • the network coding layer in the terminal device may receive the second request message from the upper layer.
  • the second request message may be used to request the target NC entity to perform reconstruction.
  • the upper layer here may refer to the layer above the network coding layer in the protocol stack.
  • the upper layer when the preset network coding layer is located between the PDCP layer and the RLC layer, the upper layer may refer to the PDCP layer; or, when the preset network coding layer is located between the RLC layer and the MAC layer In the case between, the upper layer may refer to the RLC layer.
  • the terminal device may perform reconstruction of the target NC entity according to the second request message.
  • the network coding layer in the terminal device may perform reconstruction of the target NC entity based on the second request message.
  • the terminal device can rebuild the NC entity in various ways.
  • the reconstruction of the target NC entity can be performed in the following ways, specifically as follows:
  • the network coding layer of the terminal device may configure the target configuration parameter for the target NC entity.
  • the target configuration parameter may include a coding mode of the terminal device, a coding mode of a user plane bearer DRB of the terminal device, or a coding mode of a DRB list of the terminal device.
  • the encoding manner of the DRB list of the terminal device may refer to an encoding manner of one or more DRBs in the DRB list.
  • the terminal device may use the target configuration parameters to perform NC through the target NC entity.
  • Mode 3 If there is an NC packet that has been assigned an NC SN number and has not been transmitted to the next layer of the network coding layer in the target NC entity, then the network coding layer can transmit the NC packet to the next layer or, the network coding layer may reallocate the NC secondary node SN for the NC package, and send the NC package for reallocating the NC SN to the lower layer.
  • Mode 4 If there is a data packet in the target NC entity that has already executed a routing segment and is not assigned an NC SN, the network coding layer may discard the data packet.
  • the reconstruction of the target NC entity can be performed in the following ways, specifically as follows:
  • the network coding layer of the terminal device may discard the data packets in the buffer pre-allocated for the target NC entity.
  • the network coding layer of the terminal device may configure the target configuration parameter for the target NC entity.
  • the target configuration parameter may include a coding mode of the terminal device, a coding mode of a user plane bearer DRB of the terminal device, or a coding mode of a DRB list of the terminal device.
  • the network coding layer of the terminal device can process the NC packet data unit PDU re-established by the entity of the lower layer.
  • the processing of the re-established NC PDU of the entity of the next layer mentioned here may refer to operations such as decoding and concatenating the PDU.
  • the upper layer here may refer to the layer below the network coding layer in the protocol stack.
  • the next layer may refer to the RLC layer; or, the preset network coding layer is located between the RLC layer and the MAC layer In the case between, the next layer may refer to the MAC layer.
  • the network coding layer in the terminal device may receive the third request message from the upper layer.
  • the third request message may be used to request release of the target NC entity.
  • the terminal device may release the target NC entity based on the third request message.
  • the network coding layer in the terminal device may release the target NC entity based on the third request message.
  • the terminal device can release the NC entity in various ways.
  • the terminal device may release the target NC entity in the following ways, specifically as follows:
  • the terminal device may delete the data packets in the buffer allocated by the terminal device for the target NC entity.
  • the terminal device may also delete the target NC entity at the same time.
  • Method 2 In the case that the terminal device is the receiving end of data transmission, the terminal device may delete data packets in the network coding layer that have not been transmitted to the upper layer. Optionally, the terminal device may also delete the target NC entity at the same time.
  • the terminal device may perform NC on the data packets in the network coding layer that have not been transmitted to the upper layer to obtain coded data packets.
  • the terminal device may also transmit the encoded data packet to the upper layer at the same time.
  • the terminal device may also delete the target NC entity at the same time.
  • the terminal device may receive the fourth request message from the upper layer.
  • the fourth request message may be used to request to resume (supend) the NC entity.
  • the terminal device may delete the data packets in the buffer allocated by the terminal device to the target NC entity based on the fourth request message.
  • the terminal device may perform at least one of the following one or more operations based on the fourth request message: delete the For data packets that have not been transmitted to the upper layer, perform NC on the data packets in the network coding layer that have not been transmitted to the upper layer to obtain encoded data packets and transmit the encoded data packets to the upper layer , initializing the value of the configuration parameter associated with the target NC entity or setting the configuration parameter associated with the target NC entity as a default value.
  • the network coding layer preset in the terminal device receives the first request message from the upper layer of the network coding layer, and establishes the target NC entity based on the first request message, which can be Realize NC function in the communication system.
  • FIG. 4 is a schematic flowchart of a communication method according to an embodiment of the present application. It should be understood that FIG. 4 shows the steps or operations of the communication method, but these steps or operations are only examples. In this embodiment of the present application, other operations or variations of the operations in FIG. 4 may also be performed, or not all steps are need to be performed, alternatively, the steps can be performed in another order.
  • the method 400 shown in FIG. 4 may include step S410, specifically as follows:
  • the terminal device establishes a network coding NC entity in the PDCP entity based on the reception of the user plane bearer DRB in the PDCP entity.
  • the establishment of the NC entity in the PDCP entity mentioned here may refer to: embedding the NC function into the PDCP entity.
  • the terminal device may An NC entity is established for the DRB entity in the PDCP entity.
  • PDU packet data unit
  • the terminal device may establish an NC entity for the bearer list in the PDCP entity.
  • the terminal device may establish an NC entity for the bearer list in the PDCP entity.
  • the terminal device may activate the NC entity.
  • the activation of the NC entity mentioned here may refer to: enabling the NC function (of the NC entity).
  • the terminal device may activate the NC function of the PDCP entity.
  • the NC function in the PDCP entity is enabled, the two or more DRBs are enabled by the configured NC, the two or more DRBs belong to the same bearer list, and the two or more In the case that multiple DRBs simultaneously transmit uplink data, the terminal device may activate the NC function of the PDCP entity.
  • the NC function in the PDCP entity is enabled, two or more DRBs in the terminal device belong to the same bearer list, and the initial PDCP PDU of each DRB in the two or more DRBs
  • the terminal device may activate the NC function of the PDCP entity.
  • the terminal device may deactivate the NC entity.
  • the deactivation of the NC entity mentioned here may refer to: closing the NC function (of the NC entity).
  • the terminal device may deactivate the NC function of the PDCP entity.
  • the terminal device may deactivate the NC function of the PDCP entity.
  • the terminal device may deactivate the NC function of the PDCP entity.
  • the PDPC layer in the terminal device may receive the second request message from the upper layer.
  • the second request message may be used to request to release the PDCP layer.
  • the terminal device may release the PDCP layer based on the second request message.
  • the terminal device can release the NC entity in various ways.
  • the terminal device may release the PDCP layer in the following ways, specifically as follows:
  • the terminal device may delete the data packets in the cache allocated by the terminal device to the NC entity.
  • the terminal device may also delete the PDCP entity at the same time.
  • the terminal device may delete data packets in the PDCP layer that have not been transmitted to the upper layer.
  • the terminal device may also delete the PDCP entity at the same time.
  • the terminal device may perform NC on the data packets in the PDCP layer that have not been transmitted to the upper layer to obtain encoded data packets.
  • the terminal device may also transmit the encoded data packet to the upper layer at the same time.
  • the terminal device may also delete the PDCP entity at the same time.
  • the terminal device may receive the second request message from a layer above the PDCP layer.
  • the second request message may be used to request recovery of the PDCP layer;
  • the terminal device may delete the data packets in the buffer allocated by the terminal device for the NC entity based on the two request messages.
  • the terminal device may perform at least one of the following one or more operations based on the second request message: delete the For the transmitted data packets, NC performs NC on the data packets in the PDCP layer that have not been transmitted to the upper layer to obtain encoded data packets and transmits the encoded data packets to the upper layer, and the associated NC entity
  • the value of the configuration parameter is initialized or the configuration parameter associated with the NC entity is set as a default value.
  • the terminal device establishes an NC entity in the PDCP entity based on the receiving situation of the DRB in the PDCP entity, so as to realize the NC function in the communication system.
  • Fig. 5 is a schematic structural diagram of a communication device provided by an embodiment of the present application. As shown in FIG. 5, the device 500 includes a receiving unit 510 and an establishing unit 520, specifically as follows:
  • a receiving unit 510 configured to receive a first request message from an upper layer of the network coding layer, where the first request message is used to request establishment of a network coding NC entity;
  • the establishing unit 520 is configured to establish the target NC entity based on the first request message.
  • the first request message is specifically used to request to establish an NC entity whose encoding granularity is the target granularity; correspondingly, the target NC entity is an NC entity whose encoding granularity includes the target granularity.
  • the target granularity includes at least one of the following granularities: bearer, bearer list, device, quality of service flow, quality of service flow list
  • the apparatus 500 further includes an initialization unit 530, configured to: initialize configuration parameters pre-associated with the target NC entity.
  • the configuration parameters include at least one of the following parameters: serial number, encoding mode, length of routing segment, and number of processed routing segment packets.
  • the apparatus 500 further includes a clearing unit 540, configured to: clear the buffer pre-allocated for the target NC entity in the apparatus.
  • the receiving unit 510 is further configured to: receive a second request message from the upper layer, where the second request message is used to request the target NC entity to perform reconstruction;
  • the apparatus 500 further includes a rebuilding unit 550, configured to rebuild the target NC entity based on the second request message.
  • the apparatus 500 is a sending end, and correspondingly, the rebuilding unit 550 is specifically configured to: configure the target NC entity with the target configuration parameter if no target configuration parameter is configured for the target NC entity , the target configuration parameters include the encoding mode of the device, the encoding mode of the DRB carried by the user plane of the device, or the encoding mode of the DRB list of the device.
  • the apparatus 500 is a sending end, and correspondingly, the rebuilding unit 550 is specifically configured to: if the target NC entity has configured target configuration parameters, use the target NC entity to use the target configuration parameters Carry out NC.
  • the apparatus 500 is the sending end, and accordingly, the rebuilding unit 550 is specifically configured to: if the target NC entity has an assigned NC SN number and has not been transmitted to the network coding layer, NC packets of one layer, then transmit the NC packets to the next layer, or, the network coding layer redistributes the NC secondary node SN for the NC packets, and sends the redistributed NC SN to the next layer of the NC package.
  • the apparatus 500 is the sending end, and correspondingly, the reconstruction unit 550 is specifically configured to: if there is a data packet in the target NC entity that has already executed a routing segment and is not assigned an NC SN, then discard the data pack.
  • the apparatus 500 is a receiving end, and correspondingly, the rebuilding unit 550 is specifically configured to: discard data packets in a buffer pre-allocated for the target NC entity.
  • the apparatus 500 is a receiving end, and correspondingly, the reconstruction unit 550 is specifically configured to: configure the target NC entity with the target configuration parameter if no target configuration parameter is configured for the target NC entity , the target configuration parameters include the encoding mode of the device, the encoding mode of the DRB carried by the user plane of the device, or the encoding mode of the DRB list of the device.
  • the apparatus 500 is a receiving end, and correspondingly, the reconstruction unit 550 is specifically configured to: use the target configuration parameters for decoding if no target configuration parameters are configured for the target NC entity.
  • the apparatus 500 is a receiving end, and accordingly, the reconstruction unit 550 is specifically configured to: process the NC packet data unit PDU re-established by the entity of the lower layer.
  • the receiving unit 510 is further configured to: receive a third request message from the upper layer, where the third request message is used to request release of the target NC entity;
  • the apparatus 500 further includes a releasing unit 560, configured to release the target NC entity based on the third request message.
  • the apparatus 500 is a sending end, and correspondingly, the release unit 560 is specifically configured to: delete the data packets in the buffer allocated by the apparatus for the target NC entity; delete the target NC entity.
  • the apparatus 500 is a receiving end, and correspondingly, the release unit 560 is specifically configured to: delete data packets in the network coding layer that have not been transmitted to the upper layer; delete the target NC entity .
  • the apparatus 500 is a receiving end, and correspondingly, the release unit 560 is specifically configured to: perform NC on data packets in the network coding layer that have not been transmitted to the upper layer to obtain encoded data packets ; Transmit the encoded data packet to the upper layer; delete the target NC entity.
  • the apparatus 500 is a sending end, and correspondingly, the receiving unit 510 is further configured to: receive a fourth request message from the upper layer, where the fourth request message is used to request recovery of the NC entity;
  • the apparatus 500 further includes a deletion unit 570, configured to delete the data packets in the cache allocated by the apparatus to the target NC entity based on the fourth request message.
  • the apparatus 500 is a receiving end, and correspondingly, the receiving unit 510 is further configured to: receive a fourth request message from the upper layer, where the fourth request message is used to request recovery of the NC entity;
  • the apparatus 500 further includes an execution unit 580, configured to: perform at least one of the following one or more operations based on the fourth request message: delete the network coding layer that has not been transmitted to the upper layer data packets, perform NC on the data packets in the network coding layer that have not been transmitted to the upper layer to obtain encoded data packets and transmit the encoded data packets to the upper layer, and associate the target NC entity
  • the value of the configuration parameter is initialized or the configuration parameter associated with the target NC entity is set as a default value.
  • Fig. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the communication device 600 in FIG. 6 includes an establishment unit 610, specifically as follows:
  • the establishment unit 610 is configured to establish a network coding NC entity in the PDCP entity based on the reception of the user plane bearer DRB in the PDCP entity.
  • the establishing unit 610 is specifically configured to: in the case where a PDCP packet data unit PDU of a DRB configured with NC enabling is received and an NC entity is not established for the DRB, in the PDCP entity for the The DRB entity establishes the NC entity.
  • the apparatus 600 further includes an activation unit 620, configured to: activate the NC of the PDCP entity when the NC function in the PDCP entity is enabled and the DRB is configured with NC enabled Function.
  • an activation unit 620 configured to: activate the NC of the PDCP entity when the NC function in the PDCP entity is enabled and the DRB is configured with NC enabled Function.
  • the apparatus 600 further includes a deactivation unit 630, configured to: deactivate the PDCP when the NC function in the PDCP entity is enabled and the DRB is configured to disable the NC The NC function of the entity.
  • a deactivation unit 630 configured to: deactivate the PDCP when the NC function in the PDCP entity is enabled and the DRB is configured to disable the NC The NC function of the entity.
  • the establishing unit 610 is specifically configured to: when the PDCP entity receives two or more DRBs enabled by the configured NC, the two or more DRBs belong to the same bearer list, and the two If there is uplink data transmission on one or more DRBs at the same time, and no NC entity is established for the bearer list, an NC entity is established for the bearer list in the PDCP entity.
  • the apparatus 600 further includes an activation unit 620, configured to: enable the NC function in the PDCP entity, enable the two or more DRBs by configuring the NC, and enable the two or more DRBs When the DRBs belong to the same bearer list and the two or more DRBs transmit uplink data at the same time, activate the NC function of the PDCP entity.
  • an activation unit 620 configured to: enable the NC function in the PDCP entity, enable the two or more DRBs by configuring the NC, and enable the two or more DRBs When the DRBs belong to the same bearer list and the two or more DRBs transmit uplink data at the same time, activate the NC function of the PDCP entity.
  • the apparatus 600 further includes a deactivation unit 630, configured to: when the NC function in the PDCP entity is enabled and the two or more DRBs belong to the same bearer list, the When the PDCP PDU of each DRB in two or more DRBs is initially transmitted, the NC function of the PDCP entity is deactivated.
  • a deactivation unit 630 configured to: when the NC function in the PDCP entity is enabled and the two or more DRBs belong to the same bearer list, the When the PDCP PDU of each DRB in two or more DRBs is initially transmitted, the NC function of the PDCP entity is deactivated.
  • the establishing unit 610 is specifically configured to: when the PDCP entity receives two or more DRBs enabled by the configured NC, the two or more DRBs belong to the same bearer list, and the bearer When the number of retransmissions of the list is greater than or equal to the preset number of times threshold or the channel quality of the bearer list reaches the preset quality threshold, and no NC entity is established for the bearer list, the bearer in the PDCP entity List builds NC entities.
  • the apparatus 600 further includes an activation unit 620, configured to: enable the NC function in the PDCP entity, two or more DRBs in the apparatus belong to the same bearer list, and the two or when the initial transmission of the PDCP PDU of each DRB in the multiple DRBs is successfully completed, when retransmitting the PDCP PDU of each DRB in the two or more DRBs, activate the NC function of the PDCP entity.
  • an activation unit 620 configured to: enable the NC function in the PDCP entity, two or more DRBs in the apparatus belong to the same bearer list, and the two or when the initial transmission of the PDCP PDU of each DRB in the multiple DRBs is successfully completed, when retransmitting the PDCP PDU of each DRB in the two or more DRBs, activate the NC function of the PDCP entity.
  • the apparatus 600 further includes a deactivation unit 630, configured to: when the two or more DRBs belong to the same bearer list, and the number of retransmissions of the bearer list is less than the preset threshold or the set If the channel quality of the bearer list is less than the preset quality threshold, deactivate the NC function of the PDCP entity.
  • a deactivation unit 630 configured to: when the two or more DRBs belong to the same bearer list, and the number of retransmissions of the bearer list is less than the preset threshold or the set If the channel quality of the bearer list is less than the preset quality threshold, deactivate the NC function of the PDCP entity.
  • the device 600 further includes a receiving unit 640 and a releasing unit 650:
  • the receiving unit 640 is configured to receive a second request message from an upper layer, where the second request message is used to request to release the PDCP layer;
  • the releasing unit 650 is configured to release the PDCP layer based on the second request message.
  • the apparatus 600 is a sending end, and correspondingly, the release unit 650 is specifically configured to: delete the data packets in the buffer allocated by the apparatus for the NC entity; delete the PDCP entity.
  • the apparatus 600 is a receiving end, and accordingly, the release unit 650 is specifically configured to: delete data packets in the PDCP layer that have not been transmitted to the upper layer; delete the PDCP entity.
  • the apparatus 600 is a receiving end, and correspondingly, the releasing unit 650 is specifically configured to: perform NC on a data packet in the PDCP layer that has not been transmitted to the upper layer to obtain an encoded data packet; Transmit the encoded data packet to the upper layer; delete the PDCP entity.
  • the device 600 is the sending end, and accordingly, the device 600 further includes a receiving unit 640 and a deleting unit 660:
  • the receiving unit 640 is configured to receive a second request message from a layer above the PDCP layer, where the second request message is used to request recovery of the PDCP layer;
  • the deleting unit 660 is configured to delete the data packets in the buffer allocated by the device for the NC entity based on the two request messages.
  • the apparatus 600 is a receiving end, and accordingly, the apparatus 600 further includes a receiving unit 640 and an execution unit 670:
  • the receiving unit 640 is configured to receive a second request message from the upper layer, where the second request message is used to request recovery of the PDCP layer;
  • the execution unit 670 is configured to perform at least one of the following one or more operations based on the second request message: delete data packets in the PDCP layer that have not been transmitted to the upper layer, and perform the PDCP layer In the data packet that has not been transmitted to the upper layer, the NC obtains the encoded data packet and transmits the encoded data packet to the upper layer, and initializes the value of the configuration parameter associated with the NC entity or sets the Configuration parameters for NC entity associations are set to default values.
  • Fig. 7 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • the dotted line in Figure 7 indicates that the unit or module is optional.
  • the apparatus 700 may be used to implement the methods described in the foregoing method embodiments.
  • Device 700 may be a chip or a communication device.
  • Apparatus 700 may include one or more processors 710 .
  • the processor 710 may support the device 700 to implement the methods described in the foregoing method embodiments.
  • the processor 710 may be a general purpose processor or a special purpose processor.
  • the processor may be a central processing unit (central processing unit, CPU).
  • the processor can also be other general-purpose processors, digital signal processors (digital signal processors, DSPs), application specific integrated circuits (application specific integrated circuits, ASICs), off-the-shelf programmable gate arrays (field programmable gate arrays, FPGAs) Or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • Apparatus 700 may also include one or more memories 720 .
  • a program is stored in the memory 720, and the program can be executed by the processor 710, so that the processor 710 executes the methods described in the foregoing method embodiments.
  • the memory 720 may be independent from the processor 710 or may be integrated in the processor 710 .
  • Apparatus 700 may also include a transceiver 730 .
  • the processor 710 can communicate with other devices or chips through the transceiver 730 .
  • the processor 710 may send and receive data with other devices or chips through the transceiver 730 .
  • the embodiment of the present application also provides a computer-readable storage medium for storing programs.
  • the computer-readable storage medium can be applied to the communication device provided in the embodiments of the present application, and the program enables the computer to execute the methods performed by the communication device in the various embodiments of the present application.
  • the embodiment of the present application also provides a computer program product.
  • the computer program product includes programs.
  • the computer program product can be applied to the communication device provided in the embodiments of the present application, and the program enables the computer to execute the methods performed by the communication device in the various embodiments of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the communication device provided in the embodiments of the present application, and the computer program enables the computer to execute the methods performed by the communication device in the various embodiments of the present application.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean determining B only according to A, and B may also be determined according to A and/or other information.
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • 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, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be read by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital versatile disc (digital video disc, DVD)) or a semiconductor medium (for example, a solid state disk (solid state disk, SSD) )wait.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a digital versatile disc (digital video disc, DVD)
  • a semiconductor medium for example, a solid state disk (solid state disk, SSD)

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Abstract

本发明提供了一种通信方法及通信装置,该方法包括:终端设备中预设的网络编码层接收来自所述网络编码层的上一层的第一请求消息,所述第一请求消息用于请求建立网络编码NC实体;所述终端设备的所述网络编码层基于所述第一请求消息建立目标NC实体。本申请实施例中的方法,能够在通信系统中实现NC功能。

Description

通信方法及通信装置 技术领域
本申请涉及通信技术领域,并且更为具体地,涉及一种通信方法及通信装置。
背景技术
随着通信技术的发展,某些通信系统希望引入网络编码(network coding,NC)功能,以提高传输效率。但是,目前尚不清楚如何实现NC功能。
发明内容
本申请提供一种通信方法及通信装置,能够在通信系统中实现NC功能。
第一方面,提供了一种通信方法,包括:终端设备中预设的网络编码层接收来自所述网络编码层的上一层的第一请求消息,所述第一请求消息用于请求建立网络编码NC实体;所述终端设备的所述网络编码层基于所述第一请求消息建立所述目标NC实体。
第二方面,提供了一种通信方法,包括:所述终端设备基于分组数据汇聚协议PDCP实体中的用户面承载DRB的接收情况在所述PDCP实体中建立网络编码NC实体。
第三方面,提供了一种通信装置,包括:接收单元,用于接收来自所述网络编码层的上一层的第一请求消息,所述第一请求消息用于请求建立网络编码NC实体;建立单元,用于基于所述第一请求消息建立所述目标NC实体。
第四方面,提供了一种通信装置,包括:建立单元,用于基于分组数据汇聚协议PDCP实体中的用户面承载DRB的接收情况在所述PDCP实体中建立网络编码NC实体。
第五方面,提供一种通信装置,包括存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,以执行如第一方面所述的方法。
第六方面,提供一种通信装置,包括存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,以执行第二方面所述的方法。
第七方面,提供一种通信装置,包括处理器,用于从存储器中调用程序,以执行第一方面所述的方法。
第八方面,提供一种通信装置,包括处理器,用于从存储器中调用程序,以执行第二方面所述的方法。
第九方面,提供一种芯片,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行第一方面所述的方法。
第十方面,提供一种芯片,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行第二方面所述的方法。
第十一方面,提供一种计算机可读存储介质,其上存储有程序,所述程序使得计算机执行第一方面所述的方法。
第十二方面,提供一种计算机可读存储介质,其上存储有程序,所述程序使得计算机执行第二方面所述的方法。
第十三方面,提供一种计算机程序产品,包括程序,所述程序使得计算机执行第一方面所述的方法。
第十四方面,提供一种计算机程序产品,包括程序,所述程序使得计算机执行第二方面所述的方法。
第十五方面,提供一种计算机程序,所述计算机程序使得计算机执行第一方面所述的方法。
第十六方面,提供一种计算机程序,所述计算机程序使得计算机执行第二方面所述的方法。
在本申请实施例中,终端设备中预设的网络编码层接收来自所述网络编码层的上一层的第一请求消息,并基于所述第一请求消息建立所述目标NC实体,能够在通信系统中实现NC功能。
附图说明
图1为本申请实施例应用的无线通信系统的示例图。
图2为本申请实施例应用的协议栈的示例图。
图3是本申请一个实施例提供的通信方法的示意性流程图。
图4是本申请另一个实施例提供的通信方法的示意性流程图。
图5是本申请一个实施例提供的通信装置的示意性结构图。
图6是本申请另一实施例提供的通信装置的示意性结构图。
图7是本申请一实施例提供的装置的示意性结构图。
具体实施方式
下面将结合附图,对本申请中的技术方案进行描述。
图1是本申请实施例应用的无线通信系统100。该无线通信系统100可以包括网络设备110和用户设备(user equipment,UE)120。网络设备110可以与UE120进行通信。网络设备110可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的UE120进行通信。UE120可以通过网络设备110接入网络(如无线网络)。
图1示例性地示出了一个网络设备和两个UE,可选地,该无线通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备,本申请实施例对此不做限定。可选地,该无线通信系统100还可以包括网络控制器、移动管理实体等其他网络实体,本申请实施例对此不作限定。
应理解,本申请实施例的技术方案可以应用于各种通信系统,例如:第五代(5th generation,5G)系统或新无线(new radio,NR)、长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)等。本申请提供的技术方案还可以应用于未来的通信系统,如第六代移动通信系统,又如卫星通信系统,等等。
本申请实施例中的UE也可称为终端设备、接入终端、用户单元、用户站、移动站、移动台(mobile station,MS)、移动终端(mobile Terminal,MT)、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。本申请实施例中的UE可以是指向用户提供语音和/或数据连通性的设备,可以用于连接人、物和机,例如具有无线连接功能的手持式设备、车载设备等。本申请的实施例中的UE可以是手机(mobile phone)、平板电脑(Pad)、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device,MID)、可穿戴设备,虚拟现实(virtual reality,VR)设备、增强现实(augmented reality,AR)设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。可选地,UE可以用于充当基站。例如,UE可以充当调度实体,其在V2X或D2D等中的UE之间提供侧行链路信号。比如,蜂窝电话和汽车利用侧行链路信号彼此通信。蜂窝电话和智能家居设备之间通信,而无需通过基站中继通信信号。
本申请实施例中的网络设备可以是用于与UE通信的设备,该网络设备也可以称为接 入网设备或无线接入网设备,如网络设备可以是基站。本申请实施例中的网络设备可以是指将UE接入到无线网络的无线接入网(radio access network,RAN)节点(或设备)。基站可以广义的覆盖如下中的各种名称,或与如下名称进行替换,比如:节点B(NodeB)、演进型基站(evolved NodeB,eNB)、下一代基站(next generation NodeB,gNB)、中继站、接入点、传输点(transmitting and receiving point,TRP)、发射点(transmitting point,TP)、主站MeNB、辅站SeNB、多制式无线(MSR)节点、家庭基站、网络控制器、接入节点、无线节点、接入点(access piont,AP)、传输节点、收发节点、基带单元(base band unit,BBU)、射频拉远单元(Remote Radio Unit,RRU)、有源天线单元(active antenna unit,AAU)、射频头(remote radio head,RRH)、中心单元(central unit,CU)、分布式单元(distributed unit,DU)、定位节点等。基站可以是宏基站、微基站、中继节点、施主节点或类似物,或其组合。
在一些实施例中,网络设备可以是固定的,也可以是移动的。例如,直升机或无人机可以被配置成充当移动网络设备,一个或多个小区可以根据该移动网络设备的位置移动。在其他示例中,直升机或无人机可以被配置成用作与另一网络设备进行通信的设备。在一些实施例中,网络设备可以是指CU或者DU,或者,网络设备可以包括CU和DU,或者,网络设备还可以包括AAU。
应理解,网络设备可以部署在陆地上,包括室内或室外、手持或车载;也可以部署在水面上;还可以部署在空中的飞机、气球和卫星上。本申请实施例中对网络设备和在本申请实施例中所处的场景不做限定。
还应理解,本申请中的网络设备和UE的全部或部分功能也可以通过在硬件上运行的软件功能来实现,或者通过平台(例如云平台)上实例化的虚拟化功能来实现。
随着通信技术的发展,某些通信系统希望引入网络编码(network coding,NC)功能,以在利用更少的传输资源的情况下,提高数据传输的可靠性,从而提高传输效率。但是,目前尚不清楚如何在通信系统中实现NC功能。
为了解决上述技术问题中的一个或多个,本申请提出一种通信方法及通信装置,能够在通信系统中实现NC功能。
本申请实施例中的方法适用于图1中的网络设备110及终端设备120,下面结合图3及图4,以终端设备为例对本申请实施例进行详细地举例说明。
图3是本申请实施例的通信方法的一个示意性流程图。应理解,图3示出了通信方法的步骤或操作,但这些步骤或操作仅是示例,本申请实施例还可以执行其他操作或者图3中的各个操作的变形,或者,并不是所有步骤都需要执行,或者,这些步骤可以按照其他顺序执行。图3所示的方法300可以包括步骤S310及S320,具体如下:
S310,终端设备中预设的网络编码层接收来自所述网络编码层的上一层的第一请求消息。
其中,预设的网络编码层可以指:(协议栈中)为建立NC实体而新加入的层。例如,图2为通信系统中协议栈的示意图,图2中包括无线资源控制(radio resource control,RRC)层、分组数据汇聚协议(packet data convergence protocol,PDCP)层、无线链路控制(radio link control,RLC)层、媒体接入控制(media access control,MAC)层及物理(physical,PHY)层。预设的网络编码层可以位于PDCP层与RLC层之间;或者,预设的网络编码层可以位于RLC层与MAC层之间;或者,预设的网络编码层也可以位于协议栈中的其他位置,本申请实施例中对此并不限定。
所述第一请求消息可以用于请求建立网络编码NC实体。
可选地,所述第一请求消息可以用于请求建立编码粒度为目标粒度的NC实体。相应地,所述目标NC实体可以为编码粒度包括所述目标粒度的NC实体。例如,所述第一请求消息可以为无线资源控制(radio resource control,RRC)重建(reestablishment)消息,或者,所述第一请求消息可以携带于RRC重建消息中;或者,所述第一请求消息也可以 为用于指示数据传输的消息(例如,所述第一请求消息可以指示终端设备有新的空口(Uu)用户面承载((user)data radio bearer,DRB)数据发送)。
可选地,所述目标粒度可以包括以下粒度中至少一种粒度:承载、承载列表、终端设备、服务质量(quality of service,QoS)流(flow),服务质量流列表。
例如,以承载为粒度可以指为目标承载建立NC实体;以承载列表为粒度可以指为承载列表中的一个或多个目标承载建立NC实体;以终端设备为粒度可以指为终端设备建立NC实体;以服务质量流为粒度可以指为目标服务质量流建立NC实体;以服务质量流列表为粒度可以指为服务质量流列表中的一个或多个目标服务质量流建立NC实体。
S320,所述终端设备的所述网络编码层基于所述第一请求消息建立所述目标NC实体。
例如,终端设备可以在进行RRC重建时,基于所述第一请求消息建立NC实体;或者,终端设备可以在有新的空口(Uu)用户面承载((user)data radio bearer,DRB)数据发送时,基于所述第一请求消息建立NC实体(例如,为DRB建立NC实体)。可选地,RRC重建消息中可以包括RRC配置对应的NC参数,终端设备可以根据NC参数建立NC实体。
在一些可能的实现方式中,在所述方法300中,所述终端设备中的所述网络编码层还可以对所述目标NC实体预先关联的配置参数进行初始化。例如,在建立所述目标NC实体之前,终端设备可以对所述目标NC实体预先关联的配置参数进行初始化。
其中,所述配置参数可以包括以下参数中至少一种参数:序列号(例如,辅节点(secondary node,SN)号)、编码方式(code profile)、路由段(segment)长度、路由段包处理个数。
在一些可能的实现方式中,在所述方法300中,所述终端设备中的所述网络编码层可以清理所述终端设备中预先为所述目标NC实体分配的缓存。例如,在建立所述目标NC实体之前,终端设备可以清理所述终端设备中预先为所述目标NC实体分配的缓存。
在一些可能的实现方式中,在所述方法300中,终端设备中的所述网络编码层可以接收来自所述上一层的第二请求消息。可选地,所述第二请求消息可以用于请求所述目标NC实体进行重建。这里的上一层可以指协议栈中位于网络编码层之上的层。例如,如图2所示,在预设的网络编码层位于PDCP层与RLC层之间的情况下,上一层可以指PDCP层;或者,在预设的网络编码层位于RLC层与MAC层之间的情况下,上一层可以指RLC层。
相应地,终端设备可以根据所述第二请求消息进行所述目标NC实体的重建。例如,所述终端设备中的所述网络编码层可以基于所述第二请求消息进行所述目标NC实体的重建。
在本申请中,终端设备可以通过多种方式进行NC实体的重建。例如,在所述终端设备为数据传输的发送端的情况下,可以通过以下几种方式进行目标NC实体的重建,具体如下:
方式一:若未为所述目标NC实体配置目标配置参数,则所述终端设备的所述网络编码层可以为所述目标NC实体配置所述目标配置参数。可选地,所述目标配置参数可以包括所述终端设备的编码方式、所述终端设备的用户面承载DRB的编码方式或所述终端设备的DRB列表的编码方式。其中,所述终端设备的DRB列表的编码方式可以指DRB列表中的一个或多个DRB的编码方式。
方式二:若已为所述目标NC实体配置目标配置参数,则所述终端设备可以通过所述目标NC实体使用所述目标配置参数进行NC。
方式三:若所述目标NC实体中存在已经被分配NC SN号且未被传输至所述网络编码层的下一层的NC包,则所述网络编码层可以向所述下一层传输所述NC包;或者,所述网络编码层可以为所述NC包重新分配NC辅节点SN,并向所述下一层发送重新分配NC SN的所述NC包。
方式四:若所述目标NC实体中存在已经执行路由段且未分配有NC SN的数据包,则所述网络编码层可以丢弃所述数据包。
例如,在所述终端设备为数据传输的接收端的情况下,可以通过以下几种方式进行目标NC实体的重建,具体如下:
方式一:所述终端设备的所述网络编码层可以丢弃预先为所述目标NC实体分配的缓存中的数据包。
方式二:若未为所述目标NC实体配置目标配置参数,则所述终端设备的所述网络编码层可以为所述目标NC实体配置所述目标配置参数。可选地,所述目标配置参数可以包括所述终端设备的编码方式、所述终端设备的用户面承载DRB的编码方式或所述终端设备的DRB列表的编码方式。
方式三:若未为所述目标NC实体配置目标配置参数,则所述终端设备的所述目标NC实体可以使用所述目标配置参数进行解码。
方式四:所述终端设备的所述网络编码层可以处理所述下一层的实体重建立的NC分组数据单元PDU。这里提到的处理所述下一层的实体重建立的NC PDU可以指对PDU进行解码、级联等操作。这里的上一层可以指协议栈中位于网络编码层之下的层。例如,如图2所示,在预设的网络编码层位于PDCP层与RLC层之间的情况下,下一层可以指RLC层;或者,在预设的网络编码层位于RLC层与MAC层之间的情况下,下一层可以指MAC层。
在一些可能的实现方式中,在所述方法300中,所述终端设备中的所述网络编码层可以接收来自所述上一层的第三请求消息。可选地,所述第三请求消息可以用于请求释放所述目标NC实体。
相应地,所述终端设备可以基于所述第三请求消息进行所述目标NC实体的释放。例如,所述终端设备中的所述网络编码层可以基于所述第三请求消息进行所述目标NC实体的释放。
在本申请中,终端设备可以通过多种方式进行NC实体的释放。例如,所述终端设备可以通过以下几种方式进行目标NC实体的释放,具体如下:
方式一:在所述终端设备为数据传输的发送端的情况下,终端设备可以删除所述终端设备为所述目标NC实体分配的缓存中的数据包。可选地,终端设备还可以同时删除所述目标NC实体。
方式二:在所述终端设备为数据传输的接收端的情况下,终端设备可以删除所述网络编码层中还未向所述上一层传输的数据包。可选地,终端设备还可以同时删除所述目标NC实体。
方式三:在所述终端设备为数据传输的接收端的情况下,终端设备可以对所述网络编码层中还未向所述上一层传输的数据包进行NC,得到编码数据包。可选地,终端设备还可以同时向所述上一层传输所述编码数据包。可选地,终端设备还可以同时删除所述目标NC实体。
在一些可能的实现方式中,所述终端设备可以接收来自所述上一层的第四请求消息。可选地,所述第四请求消息可以用于请求恢复(supend)所述NC实体。
相应地,在所述终端设备为数据传输的发送端的情况下,所述终端设备可以基于所述第四请求消息删除所述终端设备为所述目标NC实体分配的缓存中的数据包。
或者,在所述终端设备为数据传输的接收端的情况下,所述终端设备可以基于所述第四请求消息执行以下一种或多种操作中至少一种操作:删除所述网络编码层中还未向所述上一层传输的数据包,对所述网络编码层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述目标NC实体关联的配置参数的值进行初始化或将所述目标NC实体关联的配置参数设置为默认值。
在本申请实施例中,终端设备中预设的网络编码层接收来自所述网络编码层的上一层 的第一请求消息,并基于所述第一请求消息建立所述目标NC实体,能够在通信系统中实现NC功能。
图4是本申请实施例的通信方法的一个示意性流程图。应理解,图4示出了通信方法的步骤或操作,但这些步骤或操作仅是示例,本申请实施例还可以执行其他操作或者图4中的各个操作的变形,或者,并不是所有步骤都需要执行,或者,这些步骤可以按照其他顺序执行。图4所示的方法400可以包括步骤S410,具体如下:
S410,所述终端设备基于分组数据汇聚协议PDCP实体中的用户面承载DRB的接收情况在所述PDCP实体中建立网络编码NC实体。
这里提到的在PDCP实体中建立NC实体可以指:将NC功能嵌入PDCP实体。
可选地,在所述PDCP实体接收到被配置NC使能的DRB的PDCP分组数据单元(packet data unit,PDU)且未为所述DRB建立NC实体的情况下,所述终端设备可以在所述PDCP实体中为所述DRB实体建立NC实体。
例如,在所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述两个或多个DRB上同时存在上行数据传输,且未为所述承载列表建立NC实体的情况下,所述终端设备可以在所述PDCP实体内为所述承载列表建立NC实体。
再例如,在所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数大于或等于预设次数阈值或所述承载列表的信道质量达到预设质量阈值,且未为所述承载列表建立NC实体的情况下,所述终端设备可以在所述PDCP实体内为所述承载列表建立NC实体。
在一些可能的实现方式中,终端设备可以激活所述NC实体。这里提到的激活NC实体可以指:开启(NC实体的)NC功能。
例如,在所述PDCP实体中的NC功能被使能,且所述DRB被配置NC使能的情况下,所述终端设备可以激活所述PDCP实体的NC功能。
再例如,在所述PDCP实体中的NC功能被使能,所述两个或多个DRB被配置NC使能,所述两个或多个DRB属于同一个承载列表,且所述两个或多个DRB同时存在上行数据传输的情况下,所述终端设备可以激活所述PDCP实体的NC功能。
又例如,在所述PDCP实体中的NC功能被使能,所述终端设备中两个或多个DRB属于同一个承载列表,所述两个或多个DRB中每个DRB的PDCP PDU的初传成功完成的情况下,在重传所述两个或多个DRB中每个DRB的PDCP PDU时,所述终端设备可以激活所述PDCP实体的NC功能。
在一些可能的实现方式中,终端设备可以去激活所述NC实体。这里提到的去激活NC实体可以指:关闭(NC实体的)NC功能。
例如,在所述PDCP实体中的NC功能被使能,且所述DRB被配置NC去使能的情况下,所述终端设备可以去激活所述PDCP实体的NC功能。
再例如,在所述PDCP实体中的NC功能被使能且所述两个或多个DRB属于同一个承载列表的情况下,所述两个或多个DRB中每个DRB的PDCP PDU初传时,所述终端设备可以去激活所述PDCP实体的NC功能。
又例如,在所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数小于所述预设次数阈值或所述承载列表的信道质量小于所述预设质量阈值的情况下,所述终端设备可以去激活所述PDCP实体的NC功能。
在一些可能的实现方式中,在所述方法400中,所述终端设备中的PDPC层可以接收来自上一层的第二请求消息。可选地,所述第二请求消息可以用于请求释放所述PDCP层。
相应地,所述终端设备可以基于所述第二请求消息进行所述PDCP层的释放。
在本申请中,终端设备可以通过多种方式进行NC实体的释放。例如,所述终端设备可以通过以下几种方式进行PDCP层的释放,具体如下:
方式一:在所述终端设备为发送端的情况下,终端设备可以删除所述终端设备为所述NC实体分配的缓存中的数据包。可选地,终端设备还可以同时删除所述PDCP实体。
方式二:在所述终端设备为接收端的情况下,终端设备可以删除所述PDCP层中还未向所述上一层传输的数据包。可选地,终端设备还可以同时删除所述PDCP实体。
方式三:在所述终端设备为接收端的情况下,终端设备可以对所述PDCP层中还未向所述上一层传输的数据包进行NC,得到编码数据包。可选地,终端设备还可以同时向所述上一层传输所述编码数据包。可选地,终端设备还可以同时删除所述PDCP实体。
在一些可能的实现方式中,所述终端设备可以接收来自所述PDCP层的上一层的第二请求消息。可选地,所述第二请求消息可以用于请求恢复所述PDCP层;
相应地,在所述终端设备为发送端的情况下,所述终端设备可以基于所述二请求消息删除所述终端设备为所述NC实体分配的缓存中的数据包。
或者,在所述终端设备为接收端的情况下,所述终端设备可以基于所述第二请求消息执行以下一种或多种操作中至少一种操作:删除所述PDCP层中还未向上一层传输的数据包,对所述PDCP层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述NC实体关联的配置参数的值进行初始化或将所述NC实体关联的配置参数设置为默认值。
在本申请实施例中,终端设备基于PDCP实体中的DRB的接收情况在所述PDCP实体中建立NC实体,从而能够在通信系统中实现NC功能。
上文结合图1至图4,详细描述了本申请的方法实施例,下面结合图5至图7,详细描述本申请的装置实施例。应理解,方法实施例的描述与装置实施例的描述相互对应,因此,未详细描述的部分可以参见前面方法实施例。
图5是本申请一实施例提供的通信装置的示意性结构图。如图5所示,所述装置500包括接收单元510和建立单元520,具体如下:
接收单元510,用于接收来自所述网络编码层的上一层的第一请求消息,所述第一请求消息用于请求建立网络编码NC实体;
建立单元520,用于基于所述第一请求消息建立所述目标NC实体。
可选地,所述第一请求消息具体用于请求建立编码粒度为目标粒度的NC实体;相应地,所述目标NC实体为编码粒度包括所述目标粒度的NC实体。
可选地,所述目标粒度包括以下粒度中至少一种粒度:承载、承载列表、装置、服务质量流,服务质量流列表
可选地,所述装置500还包括初始化单元530,用于:对所述目标NC实体预先关联的配置参数进行初始化。
可选地,所述配置参数包括以下参数中至少一种参数:序列号、编码方式、路由段长度、路由段包处理个数。
可选地,所述装置500还包括清理单元540,用于:清理所述装置中预先为所述目标NC实体分配的缓存。
可选地,所述接收单元510还用于:接收来自所述上一层的第二请求消息,所述第二请求消息用于请求所述目标NC实体进行重建;
所述装置500还包括重建单元550,用于基于所述第二请求消息进行所述目标NC实体的重建。
可选地,所述装置500为发送端,相应地,所述重建单元550具体用于:若未为所述目标NC实体配置目标配置参数,则为所述目标NC实体配置所述目标配置参数,所述目标配置参数包括所述装置的编码方式、所述装置的用户面承载DRB的编码方式或所述装置的DRB列表的编码方式。
可选地,所述装置500为发送端,相应地,所述重建单元550具体用于:若已为所述目标NC实体配置目标配置参数,则通过所述目标NC实体使用所述目标配置参数进行 NC。
可选地,所述装置500为发送端,相应地,所述重建单元550具体用于:若所述目标NC实体中存在已经被分配NC SN号且未被传输至所述网络编码层的下一层的NC包,则向所述下一层传输所述NC包,或,所述网络编码层为所述NC包重新分配NC辅节点SN,并向所述下一层发送重新分配NC SN的所述NC包。
可选地,所述装置500为发送端,相应地,所述重建单元550具体用于:若所述目标NC实体中存在已经执行路由段且未分配有NC SN的数据包,则丢弃所述数据包。
可选地,所述装置500为接收端,相应地,所述重建单元550具体用于:丢弃预先为所述目标NC实体分配的缓存中的数据包。
可选地,所述装置500为接收端,相应地,所述重建单元550具体用于:若未为所述目标NC实体配置目标配置参数,则为所述目标NC实体配置所述目标配置参数,所述目标配置参数包括所述装置的编码方式、所述装置的用户面承载DRB的编码方式或所述装置的DRB列表的编码方式。
可选地,所述装置500为接收端,相应地,所述重建单元550具体用于:若未为所述目标NC实体配置目标配置参数,则使用所述目标配置参数进行解码。
可选地,所述装置500为接收端,相应地,所述重建单元550具体用于:处理所述下一层的实体重建立的NC分组数据单元PDU。
可选地,所述接收单元510还用于:接收来自所述上一层的第三请求消息,所述第三请求消息用于请求释放所述目标NC实体;
所述装置500还包括释放单元560,用于基于所述第三请求消息进行所述目标NC实体的释放。
可选地,所述装置500为发送端,相应地,所述释放单元560具体用于:删除所述装置为所述目标NC实体分配的缓存中的数据包;删除所述目标NC实体。
可选地,所述装置500为接收端,相应地,所述释放单元560具体用于:删除所述网络编码层中还未向所述上一层传输的数据包;删除所述目标NC实体。
可选地,所述装置500为接收端,相应地,所述释放单元560具体用于:对所述网络编码层中还未向所述上一层传输的数据包进行NC,得到编码数据包;向所述上一层传输所述编码数据包;删除所述目标NC实体。
可选地,所述装置500为发送端,相应地,所述接收单元510还用于:接收来自所述上一层的第四请求消息,所述第四请求消息用于请求恢复所述NC实体;
所述装置500还包括删除单元570,用于基于所述第四请求消息删除所述装置为所述目标NC实体分配的缓存中的数据包。
可选地,所述装置500为接收端,相应地,所述接收单元510还用于:接收来自所述上一层的第四请求消息,所述第四请求消息用于请求恢复所述NC实体;
所述装置500还包括执行单元580,用于:基于所述第四请求消息执行以下一种或多种操作中至少一种操作:删除所述网络编码层中还未向所述上一层传输的数据包,对所述网络编码层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述目标NC实体关联的配置参数的值进行初始化或将所述目标NC实体关联的配置参数设置为默认值。
图6是本申请一实施例提供的通信装置的示意性结构图。图6中的通信装置600包括建立单元610,具体如下:
建立单元610,用于基于分组数据汇聚协议PDCP实体中的用户面承载DRB的接收情况在所述PDCP实体中建立网络编码NC实体。
可选地,所述建立单元610具体用于:在接收到被配置NC使能的DRB的PDCP分组数据单元PDU且未为所述DRB建立NC实体的情况下,在所述PDCP实体中为所述DRB实体建立NC实体。
可选地,所述装置600还包括激活单元620,用于:在所述PDCP实体中的NC功能被使能,且所述DRB被配置NC使能的情况下,激活所述PDCP实体的NC功能。
可选地,所述装置600还包括去激活单元630,用于:在所述PDCP实体中的NC功能被使能,且所述DRB被配置NC去使能的情况下,去激活所述PDCP实体的NC功能。
可选地,所述建立单元610具体用于:在所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述两个或多个DRB上同时存在上行数据传输,且未为所述承载列表建立NC实体的情况下,在所述PDCP实体内为所述承载列表建立NC实体。
可选地,所述装置600还包括激活单元620,用于:在所述PDCP实体中的NC功能被使能,所述两个或多个DRB被配置NC使能,所述两个或多个DRB属于同一个承载列表,且所述两个或多个DRB同时存在上行数据传输的情况下,激活所述PDCP实体的NC功能。
可选地,所述装置600还包括去激活单元630,用于:在所述PDCP实体中的NC功能被使能且所述两个或多个DRB属于同一个承载列表的情况下,所述两个或多个DRB中每个DRB的PDCP PDU初传时,去激活所述PDCP实体的NC功能。
可选地,所述建立单元610具体用于:在所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数大于或等于预设次数阈值或所述承载列表的信道质量达到预设质量阈值,且未为所述承载列表建立NC实体的情况下,在所述PDCP实体内为所述承载列表建立NC实体。
可选地,所述装置600还包括激活单元620,用于:在所述PDCP实体中的NC功能被使能,所述装置中两个或多个DRB属于同一个承载列表,所述两个或多个DRB中每个DRB的PDCP PDU的初传成功完成的情况下,在重传所述两个或多个DRB中每个DRB的PDCP PDU时,激活所述PDCP实体的NC功能。
可选地,所述装置600还包括去激活单元630,用于:在所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数小于所述预设次数阈值或所述承载列表的信道质量小于所述预设质量阈值的情况下,去激活所述PDCP实体的NC功能。
可选地,所述装置600还包括接收单元640和释放单元650:
所述接收单元640,用于接收来自上一层的第二请求消息,所述第二请求消息用于请求释放所述PDCP层;
所述释放单元650,用于基于所述第二请求消息进行所述PDCP层的释放。
可选地,所述装置600为发送端,相应地,所述释放单元650具体用于:删除所述装置为所述NC实体分配的缓存中的数据包;删除所述PDCP实体。
可选地,所述装置600为接收端,相应地,所述释放单元650具体用于:删除所述PDCP层中还未向所述上一层传输的数据包;删除所述PDCP实体。
可选地,所述装置600为接收端,相应地,所述释放单元650具体用于:对所述PDCP层中还未向所述上一层传输的数据包进行NC,得到编码数据包;向所述上一层传输所述编码数据包;删除所述PDCP实体。
可选地,所述装置600为发送端,相应地,所述装置600还包括接收单元640和删除单元660:
所述接收单元640,用于接收来自所述PDCP层的上一层的第二请求消息,所述第二请求消息用于请求恢复所述PDCP层;
所述删除单元660,用于基于所述二请求消息删除所述装置为所述NC实体分配的缓存中的数据包。
可选地,所述装置600为接收端,相应地,所述装置600还包括接收单元640和执行单元670:
所述接收单元640,用于接收来自所述上一层的第二请求消息,所述第二请求消息用 于请求恢复所述PDCP层;
所述执行单元670,用于基于所述第二请求消息执行以下一种或多种操作中至少一种操作:删除所述PDCP层中还未向上一层传输的数据包,对所述PDCP层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述NC实体关联的配置参数的值进行初始化或将所述NC实体关联的配置参数设置为默认值。
图7是本申请一实施例提供的装置的示意性结构图。图7中的虚线表示该单元或模块为可选的。该装置700可用于实现上述方法实施例中描述的方法。装置700可以是芯片或通信装置。
装置700可以包括一个或多个处理器710。该处理器710可支持装置700实现前文方法实施例所描述的方法。该处理器710可以是通用处理器或者专用处理器。例如,该处理器可以为中央处理单元(central processing unit,CPU)。或者,该处理器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)、现成可编程门阵列(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。
装置700还可以包括一个或多个存储器720。存储器720上存储有程序,该程序可以被处理器710执行,使得处理器710执行前文方法实施例所描述的方法。存储器720可以独立于处理器710也可以集成在处理器710中。
装置700还可以包括收发器730。处理器710可以通过收发器730与其他设备或芯片进行通信。例如,处理器710可以通过收发器730与其他设备或芯片进行数据收发。
本申请实施例还提供一种计算机可读存储介质,用于存储程序。该计算机可读存储介质可应用于本申请实施例提供的通信装置中,并且该程序使得计算机执行本申请各个实施例中的由通信装置执行的方法。
本申请实施例还提供一种计算机程序产品。该计算机程序产品包括程序。该计算机程序产品可应用于本申请实施例提供的通信装置中,并且该程序使得计算机执行本申请各个实施例中的由通信装置执行的方法。
本申请实施例还提供一种计算机程序。该计算机程序可应用于本申请实施例提供的通信装置中,并且该计算机程序使得计算机执行本申请各个实施例中的由通信装置执行的方法。
应理解,在本申请实施例中,“与A相应的B”表示B与A相关联,根据A可以确定B。但还应理解,根据A确定B并不意味着仅仅根据A确定B,还可以根据A和/或其它信息确定B。
应理解,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。
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。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、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,所述单元的划分,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系统,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。
所述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。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够读取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,数字通用光盘(digital video disc,DVD))或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
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以所述权利要求的保护范围为准。

Claims (80)

  1. 一种通信方法,其特征在于,包括:
    终端设备中预设的网络编码层接收来自所述网络编码层的上一层的第一请求消息,所述第一请求消息用于请求建立网络编码NC实体;
    所述终端设备的所述网络编码层基于所述第一请求消息建立所述目标NC实体。
  2. 根据权利要求1所述的方法,其特征在于,所述第一请求消息具体用于请求建立编码粒度为目标粒度的NC实体;
    相应地,所述目标NC实体为编码粒度包括所述目标粒度的NC实体。
  3. 根据权利要求2所述的方法,其特征在于,所述目标粒度包括以下粒度中至少一种粒度:承载、承载列表、终端设备、服务质量流,服务质量流列表。
  4. 根据权利要求1至3中任一项所述的方法,其特征在于,所述方法还包括:
    所述终端设备中的所述网络编码层对所述目标NC实体预先关联的配置参数进行初始化。
  5. 根据权利要求4所述的方法,其特征在于,所述配置参数包括以下参数中至少一种参数:序列号、编码方式、路由段长度、路由段包处理个数。
  6. 根据权利要求1至3中任一项所述的方法,其特征在于,所述方法还包括:
    所述终端设备中的所述网络编码层清理所述终端设备中预先为所述目标NC实体分配的缓存。
  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:
    所述终端设备中的所述网络编码层接收来自所述上一层的第二请求消息,所述第二请求消息用于请求所述目标NC实体进行重建;
    所述终端设备中的所述网络编码层基于所述第二请求消息进行所述目标NC实体的重建。
  8. 根据权利要求7所述的方法,其特征在于,所述终端设备为发送端,相应地,所述目标NC实体的重建,包括:
    若未为所述目标NC实体配置目标配置参数,则所述终端设备的所述网络编码层为所述目标NC实体配置所述目标配置参数,所述目标配置参数包括所述终端设备的编码方式、所述终端设备的用户面承载DRB的编码方式或所述终端设备的DRB列表的编码方式。
  9. 根据权利要求7或8所述的方法,其特征在于,所述终端设备为发送端,相应地,所述目标NC实体的重建,包括:
    若已为所述目标NC实体配置目标配置参数,则所述终端设备通过所述目标NC实体使用所述目标配置参数进行NC。
  10. 根据权利要求7至9中任一项所述的方法,其特征在于,所述终端设备为发送端,相应地,所述目标NC实体的重建,包括:
    若所述目标NC实体中存在已经被分配NC SN号且未被传输至所述网络编码层的下一层的NC包,则所述网络编码层向所述下一层传输所述NC包,或,所述网络编码层为所述NC包重新分配NC辅节点SN,并向所述下一层发送重新分配NC SN的所述NC包。
  11. 根据权利要求7至10中任一项所述的方法,其特征在于,所述终端设备为发送端,相应地,所述目标NC实体的重建,包括:
    若所述目标NC实体中存在已经执行路由段且未分配有NC SN的数据包,则所述网络编码层丢弃所述数据包。
  12. 根据权利要求7所述的方法,其特征在于,所述终端设备为接收端,相应地,所述目标NC实体的重建,包括:
    丢弃预先为所述目标NC实体分配的缓存中的数据包。
  13. 根据权利要求7或12所述的方法,其特征在于,所述终端设备为接收端,相应 地,所述目标NC实体的重建,包括:
    若未为所述目标NC实体配置目标配置参数,则所述终端设备的所述网络编码层为所述目标NC实体配置所述目标配置参数,所述目标配置参数包括所述终端设备的编码方式、所述终端设备的用户面承载DRB的编码方式或所述终端设备的DRB列表的编码方式。
  14. 根据权利要求7至13中任一项所述的方法,其特征在于,所述终端设备为接收端,相应地,所述目标NC实体的重建,包括:
    若未为所述目标NC实体配置目标配置参数,则所述终端设备的所述目标NC实体使用所述目标配置参数进行解码。
  15. 根据权利要求7至14中任一项所述的方法,其特征在于,所述终端设备为接收端,相应地,所述目标NC实体的重建,包括:
    处理所述下一层的实体重建立的NC分组数据单元PDU。
  16. 根据权利要求1至7中任一项所述的方法,其特征在于,所述方法还包括:
    所述终端设备中的所述网络编码层接收来自所述上一层的第三请求消息,所述第三请求消息用于请求释放所述目标NC实体;
    所述终端设备中的所述网络编码层基于所述第三请求消息进行所述目标NC实体的释放。
  17. 根据权利要求16所述的方法,其特征在于,所述终端设备为发送端,相应地,所述目标NC实体的释放,包括:
    删除所述终端设备为所述目标NC实体分配的缓存中的数据包;
    删除所述目标NC实体。
  18. 根据权利要求16所述的方法,其特征在于,所述终端设备为接收端,相应地,所述目标NC实体的释放,包括:
    删除所述网络编码层中还未向所述上一层传输的数据包;
    删除所述目标NC实体。
  19. 根据权利要求16所述的方法,其特征在于,所述终端设备为接收端,相应地,所述目标NC实体的释放,包括:
    对所述网络编码层中还未向所述上一层传输的数据包进行NC,得到编码数据包;
    向所述上一层传输所述编码数据包;
    删除所述目标NC实体。
  20. 根据权利要求1至7中任一项所述的方法,其特征在于,所述终端设备为发送端,相应地,所述方法还包括:
    所述终端设备接收来自所述上一层的第四请求消息,所述第四请求消息用于请求恢复所述NC实体;
    所述终端设备基于所述第四请求消息删除所述终端设备为所述目标NC实体分配的缓存中的数据包。
  21. 根据权利要求1至7中任一项所述的方法,其特征在于,所述终端设备为接收端,相应地,所述方法还包括:
    所述终端设备接收来自所述上一层的第四请求消息,所述第四请求消息用于请求恢复所述NC实体;
    所述终端设备基于所述第四请求消息执行以下一种或多种操作中至少一种操作:删除所述网络编码层中还未向所述上一层传输的数据包,对所述网络编码层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述目标NC实体关联的配置参数的值进行初始化或将所述目标NC实体关联的配置参数设置为默认值。
  22. 一种通信方法,其特征在于,包括:
    所述终端设备基于分组数据汇聚协议PDCP实体中的用户面承载DRB的接收情况在 所述PDCP实体中建立网络编码NC实体。
  23. 根据权利要求22所述的方法,其特征在于,所述终端设备基于PDCP实体中的DRB的接收情况在所述PDCP实体中建立NC实体,包括:
    所述PDCP实体接收到被配置NC使能的DRB的PDCP分组数据单元PDU且未为所述DRB建立NC实体的情况下,所述终端设备在所述PDCP实体中为所述DRB实体建立NC实体。
  24. 根据权利要求23所述的方法,其特征在于,所述方法还包括:
    所述PDCP实体中的NC功能被使能,且所述DRB被配置NC使能的情况下,所述终端设备激活所述PDCP实体的NC功能。
  25. 根据权利要求23或24所述的方法,其特征在于,所述方法还包括:
    所述PDCP实体中的NC功能被使能,且所述DRB被配置NC去使能的情况下,所述终端设备去激活所述PDCP实体的NC功能。
  26. 根据权利要求22至25中任一项所述的方法,其特征在于,所述终端设备基于PDCP实体中的DRB的接收情况在所述PDCP实体中建立NC实体,包括:
    所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述两个或多个DRB上同时存在上行数据传输,且未为所述承载列表建立NC实体的情况下,所述终端设备在所述PDCP实体内为所述承载列表建立NC实体。
  27. 根据权利要求26所述的方法,其特征在于,所述方法还包括:
    所述PDCP实体中的NC功能被使能,所述两个或多个DRB被配置NC使能,所述两个或多个DRB属于同一个承载列表,且所述两个或多个DRB同时存在上行数据传输的情况下,所述终端设备激活所述PDCP实体的NC功能。
  28. 根据权利要求26或27所述的方法,其特征在于,所述方法还包括:
    所述PDCP实体中的NC功能被使能且所述两个或多个DRB属于同一个承载列表的情况下,所述两个或多个DRB中每个DRB的PDCP PDU初传时,所述终端设备去激活所述PDCP实体的NC功能。
  29. 根据权利要求22至28中任一项所述的方法,其特征在于,所述终端设备基于PDCP实体中的DRB的接收情况在所述PDCP实体中建立NC实体,包括:
    所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数大于或等于预设次数阈值或所述承载列表的信道质量达到预设质量阈值,且未为所述承载列表建立NC实体的情况下,所述终端设备在所述PDCP实体内为所述承载列表建立NC实体。
  30. 根据权利要求29所述的方法,其特征在于,所述方法还包括:
    所述PDCP实体中的NC功能被使能,所述终端设备中两个或多个DRB属于同一个承载列表,所述两个或多个DRB中每个DRB的PDCP PDU的初传成功完成的情况下,在重传所述两个或多个DRB中每个DRB的PDCP PDU时,所述终端设备激活所述PDCP实体的NC功能。
  31. 根据权利要求29或30所述的方法,其特征在于,所述方法还包括:
    所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数小于所述预设次数阈值或所述承载列表的信道质量小于所述预设质量阈值的情况下,所述终端设备去激活所述PDCP实体的NC功能。
  32. 根据权利要求22至31中任一项所述的方法,其特征在于,所述方法还包括:
    所述终端设备中的PDPC层接收来自上一层的第二请求消息,所述第二请求消息用于请求释放所述PDCP层;
    所述终端设备基于所述第二请求消息进行所述PDCP层的释放。
  33. 根据权利要求32所述的方法,其特征在于,所述终端设备为发送端,相应地, 所述PDCP层的释放,包括:
    删除所述终端设备为所述NC实体分配的缓存中的数据包;
    删除所述PDCP实体。
  34. 根据权利要求32所述的方法,其特征在于,所述终端设备为接收端,相应地,所述PDCP层的释放,包括:
    删除所述PDCP层中还未向所述上一层传输的数据包;
    删除所述PDCP实体。
  35. 根据权利要求32所述的方法,其特征在于,所述终端设备为接收端,相应地,所述PDCP层的释放,包括:
    对所述PDCP层中还未向所述上一层传输的数据包进行NC,得到编码数据包;
    向所述上一层传输所述编码数据包;
    删除所述PDCP实体。
  36. 根据权利要求22至31中任一项所述的方法,其特征在于,所述终端设备为发送端,相应地,所述方法还包括:
    所述终端设备接收来自所述PDCP层的上一层的第二请求消息,所述第二请求消息用于请求恢复所述PDCP层;
    所述终端设备基于所述二请求消息删除所述终端设备为所述NC实体分配的缓存中的数据包。
  37. 根据权利要求22至31中任一项所述的方法,其特征在于,所述终端设备为接收端,相应地,所述方法还包括:
    所述终端设备接收来自所述上一层的第二请求消息,所述第二请求消息用于请求恢复所述PDCP层;
    所述终端设备基于所述第二请求消息执行以下一种或多种操作中至少一种操作:删除所述PDCP层中还未向上一层传输的数据包,对所述PDCP层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述NC实体关联的配置参数的值进行初始化或将所述NC实体关联的配置参数设置为默认值。
  38. 一种通信装置,其特征在于,包括:
    接收单元,用于接收来自所述网络编码层的上一层的第一请求消息,所述第一请求消息用于请求建立网络编码NC实体;
    建立单元,用于基于所述第一请求消息建立所述目标NC实体。
  39. 根据权利要求38所述的装置,其特征在于,所述第一请求消息具体用于请求建立编码粒度为目标粒度的NC实体;
    相应地,所述目标NC实体为编码粒度包括所述目标粒度的NC实体。
  40. 根据权利要求39所述的装置,其特征在于,所述目标粒度包括以下粒度中至少一种粒度:承载、承载列表、装置、服务质量流,服务质量流列表。
  41. 根据权利要求38至40中任一项所述的装置,其特征在于,所述装置还包括初始化单元,用于:对所述目标NC实体预先关联的配置参数进行初始化。
  42. 根据权利要求41所述的装置,其特征在于,所述配置参数包括以下参数中至少一种参数:序列号、编码方式、路由段长度、路由段包处理个数。
  43. 根据权利要求38至40中任一项所述的装置,其特征在于,所述装置还包括清理单元,用于:清理所述装置中预先为所述目标NC实体分配的缓存。
  44. 根据权利要求38至43中任一项所述的装置,其特征在于,所述接收单元还用于:接收来自所述上一层的第二请求消息,所述第二请求消息用于请求所述目标NC实体进行重建;
    所述装置还包括重建单元,用于基于所述第二请求消息进行所述目标NC实体的重建。
  45. 根据权利要求44所述的装置,其特征在于,所述装置为发送端,相应地,所述 重建单元具体用于:若未为所述目标NC实体配置目标配置参数,则为所述目标NC实体配置所述目标配置参数,所述目标配置参数包括所述装置的编码方式、所述装置的用户面承载DRB的编码方式或所述装置的DRB列表的编码方式。
  46. 根据权利要求44或45所述的装置,其特征在于,所述装置为发送端,相应地,所述重建单元具体用于:若已为所述目标NC实体配置目标配置参数,则通过所述目标NC实体使用所述目标配置参数进行NC。
  47. 根据权利要求44至46中任一项所述的装置,其特征在于,所述装置为发送端,相应地,所述重建单元具体用于:若所述目标NC实体中存在已经被分配NC SN号且未被传输至所述网络编码层的下一层的NC包,则向所述下一层传输所述NC包,或,所述网络编码层为所述NC包重新分配NC辅节点SN,并向所述下一层发送重新分配NC SN的所述NC包。
  48. 根据权利要求44至47中任一项所述的装置,其特征在于,所述装置为发送端,相应地,所述重建单元具体用于:若所述目标NC实体中存在已经执行路由段且未分配有NC SN的数据包,则丢弃所述数据包。
  49. 根据权利要求44所述的装置,其特征在于,所述装置为接收端,相应地,所述重建单元具体用于:丢弃预先为所述目标NC实体分配的缓存中的数据包。
  50. 根据权利要求44或49所述的装置,其特征在于,所述装置为接收端,相应地,所述重建单元具体用于:若未为所述目标NC实体配置目标配置参数,则为所述目标NC实体配置所述目标配置参数,所述目标配置参数包括所述装置的编码方式、所述装置的用户面承载DRB的编码方式或所述装置的DRB列表的编码方式。
  51. 根据权利要求44至50中任一项所述的装置,其特征在于,所述装置为接收端,相应地,所述重建单元具体用于:若未为所述目标NC实体配置目标配置参数,则使用所述目标配置参数进行解码。
  52. 根据权利要求44至51中任一项所述的装置,其特征在于,所述装置为接收端,相应地,所述重建单元具体用于:处理所述下一层的实体重建立的NC分组数据单元PDU。
  53. 根据权利要求38至44中任一项所述的装置,其特征在于,所述接收单元还用于:接收来自所述上一层的第三请求消息,所述第三请求消息用于请求释放所述目标NC实体;
    所述装置还包括释放单元,用于基于所述第三请求消息进行所述目标NC实体的释放。
  54. 根据权利要求53所述的装置,其特征在于,所述装置为发送端,相应地,所述释放单元具体用于:删除所述装置为所述目标NC实体分配的缓存中的数据包;删除所述目标NC实体。
  55. 根据权利要求53所述的装置,其特征在于,所述装置为接收端,相应地,所述释放单元具体用于:删除所述网络编码层中还未向所述上一层传输的数据包;删除所述目标NC实体。
  56. 根据权利要求53所述的装置,其特征在于,所述装置为接收端,相应地,所述释放单元具体用于:对所述网络编码层中还未向所述上一层传输的数据包进行NC,得到编码数据包;向所述上一层传输所述编码数据包;删除所述目标NC实体。
  57. 根据权利要求38至44中任一项所述的装置,其特征在于,所述装置为发送端,相应地,所述接收单元还用于:接收来自所述上一层的第四请求消息,所述第四请求消息用于请求恢复所述NC实体;
    所述装置还包括删除单元,用于基于所述第四请求消息删除所述装置为所述目标NC实体分配的缓存中的数据包。
  58. 根据权利要求38至44中任一项所述的装置,其特征在于,所述装置为接收端,相应地,所述接收单元还用于:接收来自所述上一层的第四请求消息,所述第四请求消息用于请求恢复所述NC实体;
    所述装置还包括执行单元,用于:基于所述第四请求消息执行以下一种或多种操作中 至少一种操作:删除所述网络编码层中还未向所述上一层传输的数据包,对所述网络编码层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述目标NC实体关联的配置参数的值进行初始化或将所述目标NC实体关联的配置参数设置为默认值。
  59. 一种通信装置,其特征在于,包括:
    建立单元,用于基于分组数据汇聚协议PDCP实体中的用户面承载DRB的接收情况在所述PDCP实体中建立网络编码NC实体。
  60. 根据权利要求59所述的装置,其特征在于,所述建立单元具体用于:在接收到被配置NC使能的DRB的PDCP分组数据单元PDU且未为所述DRB建立NC实体的情况下,在所述PDCP实体中为所述DRB实体建立NC实体。
  61. 根据权利要求60所述的装置,其特征在于,所述装置还包括激活单元,用于:在所述PDCP实体中的NC功能被使能,且所述DRB被配置NC使能的情况下,激活所述PDCP实体的NC功能。
  62. 根据权利要求60或61所述的装置,其特征在于,所述装置还包括去激活单元,用于:在所述PDCP实体中的NC功能被使能,且所述DRB被配置NC去使能的情况下,去激活所述PDCP实体的NC功能。
  63. 根据权利要求59至62中任一项所述的装置,其特征在于,所述建立单元具体用于:在所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述两个或多个DRB上同时存在上行数据传输,且未为所述承载列表建立NC实体的情况下,在所述PDCP实体内为所述承载列表建立NC实体。
  64. 根据权利要求63所述的装置,其特征在于,所述装置还包括激活单元,用于:在所述PDCP实体中的NC功能被使能,所述两个或多个DRB被配置NC使能,所述两个或多个DRB属于同一个承载列表,且所述两个或多个DRB同时存在上行数据传输的情况下,激活所述PDCP实体的NC功能。
  65. 根据权利要求63或64所述的装置,其特征在于,所述装置还包括去激活单元,用于:在所述PDCP实体中的NC功能被使能且所述两个或多个DRB属于同一个承载列表的情况下,所述两个或多个DRB中每个DRB的PDCP PDU初传时,去激活所述PDCP实体的NC功能。
  66. 根据权利要求59至65中任一项所述的装置,其特征在于,所述建立单元具体用于:在所述PDCP实体接收到被配置NC使能的两个或多个DRB,所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数大于或等于预设次数阈值或所述承载列表的信道质量达到预设质量阈值,且未为所述承载列表建立NC实体的情况下,在所述PDCP实体内为所述承载列表建立NC实体。
  67. 根据权利要求66所述的装置,其特征在于,所述装置还包括激活单元,用于:在所述PDCP实体中的NC功能被使能,所述装置中两个或多个DRB属于同一个承载列表,所述两个或多个DRB中每个DRB的PDCP PDU的初传成功完成的情况下,在重传所述两个或多个DRB中每个DRB的PDCP PDU时,激活所述PDCP实体的NC功能。
  68. 根据权利要求66或67所述的装置,其特征在于,所述装置还包括去激活单元,用于:在所述两个或多个DRB属于同一个承载列表,所述承载列表的重传次数小于所述预设次数阈值或所述承载列表的信道质量小于所述预设质量阈值的情况下,去激活所述PDCP实体的NC功能。
  69. 根据权利要求59至68中任一项所述的装置,其特征在于,所述装置还包括接收单元和释放单元:
    所述接收单元,用于接收来自上一层的第二请求消息,所述第二请求消息用于请求释放所述PDCP层;
    所述释放单元,用于基于所述第二请求消息进行所述PDCP层的释放。
  70. 根据权利要求69所述的装置,其特征在于,所述装置为发送端,相应地,所述释放单元具体用于:删除所述装置为所述NC实体分配的缓存中的数据包;删除所述PDCP实体。
  71. 根据权利要求69所述的装置,其特征在于,所述装置为接收端,相应地,所述释放单元具体用于:删除所述PDCP层中还未向所述上一层传输的数据包;删除所述PDCP实体。
  72. 根据权利要求69所述的装置,其特征在于,所述装置为接收端,相应地,所述释放单元具体用于:对所述PDCP层中还未向所述上一层传输的数据包进行NC,得到编码数据包;向所述上一层传输所述编码数据包;删除所述PDCP实体。
  73. 根据权利要求59至68中任一项所述的装置,其特征在于,所述装置为发送端,相应地,所述装置还包括接收单元和删除单元:
    所述接收单元,用于接收来自所述PDCP层的上一层的第二请求消息,所述第二请求消息用于请求恢复所述PDCP层;
    所述删除单元,用于基于所述二请求消息删除所述装置为所述NC实体分配的缓存中的数据包。
  74. 根据权利要求59至68中任一项所述的装置,其特征在于,所述装置为接收端,相应地,所述装置还包括接收单元和执行单元:
    所述接收单元,用于接收来自所述上一层的第二请求消息,所述第二请求消息用于请求恢复所述PDCP层;
    所述执行单元,用于基于所述第二请求消息执行以下一种或多种操作中至少一种操作:删除所述PDCP层中还未向上一层传输的数据包,对所述PDCP层中还未向所述上一层传输的数据包进行NC得到编码数据包以及向所述上一层传输所述编码数据包,对所述NC实体关联的配置参数的值进行初始化或将所述NC实体关联的配置参数设置为默认值。
  75. 一种通信装置,其特征在于,包括存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,以执行如权利要求1至74中任一项所述的方法。
  76. 一种通信装置,其特征在于,包括处理器,用于从存储器中调用程序,以执行如权利要求1至74中任一项所述的方法。
  77. 一种芯片,其特征在于,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行如权利要求1至74中任一项所述的方法。
  78. 一种计算机可读存储介质,其特征在于,其上存储有程序,所述程序使得计算机执行如权利要求1至74中任一项所述的方法。
  79. 一种计算机程序产品,其特征在于,包括程序,所述程序使得计算机执行如权利要求1至74中任一项所述的方法。
  80. 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至74中任一项所述的方法。
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Citations (4)

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Publication number Priority date Publication date Assignee Title
CN113114410A (zh) * 2020-01-10 2021-07-13 维沃移动通信有限公司 数据处理方法、配置方法及通信设备
CN113395130A (zh) * 2020-03-11 2021-09-14 华为技术有限公司 一种通信的方法及装置
WO2021234044A1 (en) * 2020-05-20 2021-11-25 Canon Kabushiki Kaisha Method and apparatus for signaling suspension and resumption of network coding operation
WO2021233689A1 (en) * 2020-05-20 2021-11-25 Canon Kabushiki Kaisha Method and apparatus for signalling network coding capabilities

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113114410A (zh) * 2020-01-10 2021-07-13 维沃移动通信有限公司 数据处理方法、配置方法及通信设备
CN113395130A (zh) * 2020-03-11 2021-09-14 华为技术有限公司 一种通信的方法及装置
WO2021234044A1 (en) * 2020-05-20 2021-11-25 Canon Kabushiki Kaisha Method and apparatus for signaling suspension and resumption of network coding operation
WO2021233689A1 (en) * 2020-05-20 2021-11-25 Canon Kabushiki Kaisha Method and apparatus for signalling network coding capabilities

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