WO2024093729A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

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Publication number
WO2024093729A1
WO2024093729A1 PCT/CN2023/126197 CN2023126197W WO2024093729A1 WO 2024093729 A1 WO2024093729 A1 WO 2024093729A1 CN 2023126197 W CN2023126197 W CN 2023126197W WO 2024093729 A1 WO2024093729 A1 WO 2024093729A1
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Prior art keywords
data
entity
logical channel
logical channels
indication information
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PCT/CN2023/126197
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English (en)
Chinese (zh)
Inventor
郭英昊
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华为技术有限公司
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Publication of WO2024093729A1 publication Critical patent/WO2024093729A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows

Definitions

  • the present application relates to the field of communication technology, and in particular to a communication method and device.
  • a network device may configure a split radio bearer (split RB) for a terminal device.
  • split RB a packet data convergence protocol (PDCP) entity of the terminal device may be associated with a primary radio link control (RLC) entity and one or more secondary RLC entities.
  • PDCP packet data convergence protocol
  • RLC primary radio link control
  • the PDCP entity of the terminal device can save the data received successively in a cache because the uplink (UL) packet delay budget (PDB) is usually longer than the period of generating data.
  • the terminal device is configured with split RB, when the data volume is large, the PDCP entity can deliver the data to the primary RLC entity or the secondary RLC entity, and when the data volume is small, the PDCP entity can deliver the data to the primary RLC entity.
  • the embodiments of the present application provide a communication method and apparatus, which can meet the packet delay budget (PDB) requirements of a data set when a packet data convergence protocol (PDC) entity of a terminal device delivers a data set to a radio link control (RLC) entity, thereby reducing data transmission delay and improving data transmission reliability.
  • PDB packet delay budget
  • PDC packet data convergence protocol
  • RLC radio link control
  • an embodiment of the present application provides a communication method, which may include: a first packet data convergence protocol (PDCP) entity of a terminal device obtains one or more data sets, and submits the data sets to a radio link control (RLC) entity associated with the data sets; wherein the terminal device includes multiple PDCP entities, the multiple PDCP entities include a first PDCP entity, and different PDCP entities obtain data sets of different importance levels; the first PDCP entity is associated with multiple RLC entities, and different data sets are associated with different RLC entities.
  • PDCP packet data convergence protocol
  • RLC radio link control
  • data sets of different importance levels can be submitted to different PDCP entities to achieve different processing of data sets of different importance levels.
  • each PDCP entity processes the acquired data set, it can also submit different data sets to different RLC entities/logical channels to achieve different processing of different data sets, thereby meeting the packet delay budget PDB requirements of the data set, reducing data transmission delay, and improving data transmission reliability.
  • the data set is a data set of extended reality (XR) business.
  • XR extended reality
  • the method before the first PDCP entity of the terminal device obtains one or more data sets, the method also includes: the terminal device receives configuration information from the network device; wherein the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information; wherein the first indication information is used to indicate that the PDCP entity of the terminal device is configured as a split radio bearer RB; the second indication information is used to indicate the configured number of logical channels associated with the split RB, and the configured number of logical channels is equal to the maximum value of the data sets sent by the terminal device in the protocol data unit set delay budget PSDB; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; and the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information;
  • the network device can send configuration information to the terminal device through RRC signaling.
  • the RRC layer of the terminal device receives the configuration information, it can submit the configuration information to the PDCP layer, RLC layer and MAC layer of the terminal device to complete the configuration of the PDCP entity, RLC entity, logical channel and MAC entity according to the configuration information.
  • the fifth indication information is used to indicate the identification information of the first logical channel associated with each MAC entity; the difference between the identification information of two consecutive logical channels associated with the same MAC entity is the first difference; or, the fifth indication information is used to indicate the identification information of each logical channel associated with each MAC entity.
  • the network device can indicate the identification information of the first logical channel associated with each MAC entity to the terminal device, and the terminal device can determine the identification information of the remaining logical channels in the MAC entity based on the identification information of the first logical channel and the first difference.
  • the network device can indicate the identification information of each logical channel associated with each MAC entity through the fifth indication information; when the multiple logical channels associated with each MAC entity are not continuous logical channels, the network device can also indicate the identification information of each logical channel associated with each MAC entity through the fifth indication information without restriction.
  • the first PDCP entity when the first PDCP entity receives a data set or the sixth indication information, the first PDCP entity determines the logical channel associated with the data set based on the first count value; wherein the initial value of the first count value is 0; the first PDCP entity determines the RLC entity associated with the data set based on the logical channel associated with the data set and the association relationship between the RLC entity and the logical channel; the first PDCP entity delivers the data set to the RLC entity associated with the data set.
  • the first PDCP entity when the first PDCP entity delivers a data set to the RLC entity, it can first determine the logical channel associated with the data set, and then deliver the data set to the RLC entity according to the association relationship between the RLC entity and the logical channel. This provides a feasible solution for the first PDCP entity to deliver a data set to the RLC entity.
  • the method after the first PDCP entity submits the data set to the RLC entity associated with the data set, the method also includes: the first PDCP entity increases the first count value by one, and determines the updated first count value as the modulus of the first count value after the increase by one and the configured number of logical channels associated with the split RB.
  • the first count value may be updated once, so that the first count value associated with each subsequent data set can determine the logical channel associated with each data set.
  • the first PDCP entity determines the i+1th logical channel associated with the split RB as the logical channel associated with the data set; where i is greater than or equal to 0.
  • the first PDCP entity determines the logical channel associated with each data set according to the first count value associated with each data set.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with the MAC entity, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i+1th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i-th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the MAC entities and the identification information of the logical channels.
  • the logical channels associated with the split RB include m logical channels associated with the first MAC entity and n logical channels associated with the second MAC entity
  • the i+1th logical channel is the i+1th logical channel among the m logical channels associated with the first MAC entity; or, if i+1 is greater than m, the i+1th logical channel is the i+1-mth logical channels among the n logical channels associated with the second MAC entity.
  • an embodiment of the present application provides a communication method, which may include: a network device determines configuration information and sends the configuration information to a terminal device; wherein the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information; the first indication information is used to indicate that a packet data convergence protocol PDCP entity of the terminal device is configured as a split radio bearer RB; the second indication information is used to indicate the configured number of logical channels associated with the split RB, and the configured number of logical channels is equal to the maximum value of the data set sent by the terminal device in the protocol data unit set delay budget PSDB; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information;
  • the network device can send configuration information to the terminal device through RRC signaling.
  • the RRC layer of the terminal device receives the configuration information, it can submit the configuration information to the PDCP layer, RLC layer and MAC layer of the terminal device to complete the configuration of the PDCP entity, RLC entity, logical channel and MAC entity according to the configuration information.
  • an embodiment of the present application provides a communication method, which may include: a packet data convergence protocol (PDCP) entity of a terminal device obtains one or more data sets and submits data to an RLC entity associated with the data; wherein, one or more data sets are associated with one or more importance levels; a data set includes one or more data; the PDCP entity is associated with multiple RLC entities; data with the same importance level in the same data set are associated with the same radio link control (RLC) entity; data with different importance levels in the same data set are associated with different RLC entities; data in different data sets are associated with different RLC entities.
  • PDCP packet data convergence protocol
  • RLC radio link control
  • the PDCP entity when the PDCP entity processes the acquired data set, it can not only deliver data sets of different importance levels to different logical channels/RLC entities, but also deliver data of different importance levels in the same data set to different logical channels/RLC entities.
  • Channel/RLC entity Differentiate between different data sets or different data to meet the packet delay budget (PDB) requirements of data sets or data, reduce data transmission delay, and improve data transmission reliability.
  • PDB packet delay budget
  • the data set is a data set of extended reality (XR) business.
  • XR extended reality
  • the method before the PDCP entity of the terminal device obtains one or more data sets, the method also includes: the terminal device receives configuration information from the network device; wherein the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication information; wherein the first indication information is used to indicate that the PDCP entity of the terminal device is configured as a split radio bearer RB; the seventh indication information is used to indicate the configured number of logical channels associated with the split RB, and the configured number of logical channels is determined according to the maximum value and the number of importance levels of the data sets sent by the terminal device in the protocol data unit set delay budget PSDB; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; and the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information
  • the network device can send configuration information to the terminal device through RRC signaling.
  • the RRC layer of the terminal device receives the configuration information, it can submit the configuration information to the PDCP layer, RLC layer and MAC layer of the terminal device to complete the configuration of the PDCP entity, RLC entity, logical channel and MAC entity according to the configuration information.
  • the fifth indication information is used to indicate the identification information of the first logical channel associated with each MAC entity; the difference between the identification information of two consecutive logical channels associated with the same MAC entity is the first difference; or, the fifth indication information is used to indicate the identification information of each logical channel associated with each MAC entity.
  • the network device can indicate the identification information of the first logical channel associated with each MAC entity to the terminal device, and the terminal device can determine the identification information of the remaining logical channels in the MAC entity based on the identification information of the first logical channel and the first difference.
  • the network device can indicate the identification information of each logical channel associated with each MAC entity through the fifth indication information; when the multiple logical channels associated with each MAC entity are not continuous logical channels, the network device can also indicate the identification information of each logical channel associated with each MAC entity through the fifth indication information without restriction.
  • the PDCP entity when the PDCP entity receives a data set or the sixth indication information, the PDCP entity determines the logical channel associated with the data based on a first count value; wherein the initial value of the first count value is 0; the PDCP entity determines the RLC entity associated with the data based on the logical channel associated with the data and the association relationship between the RLC entity and the logical channel; the PDCP entity delivers data to the RLC entity associated with the data.
  • the PDCP entity when the PDCP entity delivers data to the RLC entity, it can first determine the logical channel associated with the data, and then deliver the data to the RLC entity according to the association relationship between the RLC entity and the logical channel, providing a feasible solution for the PDCP entity to deliver data to the RLC entity.
  • the method after the PDCP entity submits data to the data-associated RLC entity, the method also includes: the PDCP entity increases the first count value by one, and determines the updated first count value by the modulus of the configured number of logical channels associated with the split RB.
  • the first count value may be updated to facilitate the determination of the logical channel associated with each subsequent data using the first count value associated with each data.
  • the PDCP entity determines the i+1th logical channel associated with the split RB as the logical channel associated with the data; wherein, i is greater than or equal to 0, and data with the same importance level in the same data set are associated with the same first count value; and data with different importance levels in the same data set are associated with different first count values.
  • a feasible solution is provided for the PDCP entity to determine the logical channel of each data association according to the first count value of each data association.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with the MAC entity, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i+1th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i-th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the MAC entities and the identification information of the logical channels.
  • the logical channels associated with the split RB include m logical channels associated with the first MAC entity and n logical channels associated with the second MAC entity
  • the i+1th logical channel is the first MAC entity associated with n logical channels.
  • the i+1th logical channel among the m logical channels associated with the second MAC entity; or, if i+1 is greater than m, the i+1th logical channel is the i+1-mth logical channel among the n logical channels associated with the second MAC entity.
  • an embodiment of the present application provides a communication method, which may include: a network device determines configuration information and sends the configuration information to a terminal device; wherein the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication information; the first indication information is used to indicate that the PDCP entity of the terminal device is configured as a split radio bearer RB; the seventh indication information is used to indicate the configured number of logical channels associated with the split RB, and the configured number of logical channels is determined according to the maximum value and the number of importance levels of the data set sent by the terminal device in the protocol data unit set delay budget PSDB; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication
  • the network device can send configuration information to the terminal device through RRC signaling.
  • the RRC layer of the terminal device receives the configuration information, it can submit the configuration information to the PDCP layer, RLC layer and MAC layer of the terminal device to complete the configuration of the PDCP entity, RLC entity, logical channel and MAC entity according to the configuration information.
  • an embodiment of the present application provides a communication device, which can be applied to the first PDCP entity of a terminal device in the first aspect or a possible design of the first aspect to implement the functions performed by the first PDCP entity of the terminal device.
  • the communication device can be the first PDCP entity of the terminal device, or a chip or system on chip used to implement the functions of the first PDCP entity of the terminal device.
  • the communication device can implement the functions performed by the first PDCP entity of the terminal device by executing corresponding software through hardware.
  • the hardware or software includes one or more modules corresponding to the above functions. For example, a transceiver module and a processing module.
  • the transceiver module is used to obtain one or more data sets, and is also used to submit a data set to a radio link control RLC entity associated with the data set; wherein the terminal device includes multiple PDCP entities, the multiple PDCP entities include a first PDCP entity, and different PDCP entities obtain data sets of different importance levels; the first PDCP entity is associated with multiple RLC entities, and different data sets are associated with different RLC entities.
  • the data set is a data set of extended reality (XR) business.
  • XR extended reality
  • the transceiver module before it obtains one or more data sets, it also receives configuration information from the network device; wherein the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information; wherein the first indication information is used to indicate that the PDCP entity of the terminal device is configured as a split radio bearer RB; the second indication information is used to indicate the configured number of logical channels associated with the split RB, and the configured number of logical channels is equal to the maximum value of the data sets sent by the terminal device in the protocol data unit set delay budget PSDB; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; and the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information; wherein the first indication information is used to indicate that
  • the fifth indication information is used to indicate the identification information of the first logical channel associated with each MAC entity; the difference between the identification information of two consecutive logical channels associated with the same MAC entity is the first difference; or, the fifth indication information is used to indicate the identification information of each logical channel associated with each MAC entity.
  • the processing module determines the logical channel associated with the data set based on the first count value; wherein the initial value of the first count value is 0; the processing module is also used to determine the RLC entity associated with the data set based on the logical channel associated with the data set and the association relationship between the RLC entity and the logical channel; the transceiver module is also used to submit the data set to the RLC entity associated with the data set.
  • the processing module is also used to add one to the first count value, and determine the updated first count value by the modulus of the first count value after adding one and the configured number of logical channels associated with the split RB.
  • the processing module is also used to determine the i+1th logical channel associated with the split RB as the logical channel associated with the data set when the first count value associated with the data set is i; wherein i is greater than or equal to 0.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with the MAC entity, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i+1th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i-th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the MAC entities and the identification information of the logical channels.
  • the logical channels associated with the split RB include m logical channels associated with the first MAC entity and n logical channels associated with the second MAC entity
  • the i+1th logical channel is the i+1th logical channel among the m logical channels associated with the first MAC entity; or, if i+1 is greater than m, the i+1th logical channel is the i+1-mth logical channels among the n logical channels associated with the second MAC entity.
  • the specific implementation method of the communication device in the fifth aspect can refer to the behavior function of the first PDCP entity of the terminal device in the communication method provided by the first aspect or any possible design of the first aspect.
  • an embodiment of the present application provides a communication device, which can be applied to a network device in the above-mentioned second aspect or a possible design of the second aspect to implement the functions performed by the above-mentioned network device.
  • the communication device can be a network device, or a chip or system on chip for implementing the functions of the network device, and the communication device can implement the functions performed by the PDCP entity of the above-mentioned terminal device by executing corresponding software through hardware.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions. For example, a transceiver module and a processing module.
  • the processing module is used to determine configuration information, and the transceiver module is used to send configuration information to the terminal device; wherein the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information; the first indication information is used to indicate that the packet data convergence protocol PDCP entity of the terminal device is configured as a split radio bearer RB; the second indication information is used to indicate the configuration number of logical channels associated with the split RB, and the configuration number of logical channels is equal to the maximum value of the data set sent by the terminal device in the protocol data unit set delay budget PSDB; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information; the first indication information is used to indicate that
  • the specific implementation method of the communication device in the sixth aspect can refer to the behavioral function of the network device in the communication method provided by the second aspect or any possible design of the second aspect.
  • an embodiment of the present application provides a communication device, which can be applied to the PDCP entity of the terminal device in the third aspect or the possible design of the third aspect to implement the functions performed by the PDCP entity of the terminal device.
  • the communication device can be the PDCP entity of the terminal device, or it can be a chip or system on chip used to implement the PDCP entity function of the terminal device.
  • the communication device can implement the functions performed by the PDCP entity of the terminal device by executing corresponding software through hardware.
  • the hardware or software includes one or more modules corresponding to the above functions. For example, a transceiver module and a processing module.
  • the transceiver module is used to obtain one or more data sets, and is also used to submit data to the RLC entity associated with the data; wherein one or more data sets are associated with one or more importance levels; the data set includes one or more data; the PDCP entity is associated with multiple RLC entities; data with the same importance level in the same data set are associated with the same radio link control RLC entity; data with different importance levels in the same data set are associated with different RLC entities; data in different data sets are associated with different RLC entities.
  • the data set is a data set of extended reality (XR) business.
  • XR extended reality
  • the transceiver module before it obtains one or more data sets, it is also used to receive configuration information from a network device; wherein the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication information; wherein the first indication information is used to indicate that the PDCP entity of the terminal device is configured as a split radio bearer RB; the seventh indication information is used to indicate the configured number of logical channels associated with the split RB, and the configured number of logical channels is determined according to the maximum value and the number of importance levels of the data sets sent by the terminal device in the protocol data unit set delay budget PSDB; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; and the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication information; where
  • the fifth indication information is used to indicate the identification information of the first logical channel associated with each MAC entity; the difference between the identification information of two consecutive logical channels associated with the same MAC entity is the first difference; or, the fifth indication information is used to indicate the identification information of each logical channel associated with each MAC entity.
  • the processing module is used to determine the logical channel associated with the data based on a first count value when the transceiver module receives a data set or a sixth indication information; wherein the initial value of the first count value is 0; the processing module is also used to determine the RLC entity associated with the data based on the logical channel associated with the data, the association relationship between the RLC entity and the logical channel; the transceiver module is also used to deliver data to the RLC entity associated with the data.
  • the processing module is also used to add one to the first count value, and determine the updated first count value by the modulus of the configured number of logical channels associated with the split RB.
  • the processing module is further configured to split the i+1th RB association when the first count value of the data association is i.
  • logical channels are determined as logical channels associated with the data; wherein, i is greater than or equal to 0, data with the same importance level in the same data set are associated with the same first count value; data with different importance levels in the same data set are associated with different first count values.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with the MAC entity, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i+1th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the logical channels; or, when the logical channel associated with the split RB is associated with multiple MAC entities, the i+1th logical channel is the i-th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the MAC entities and the identification information of the logical channels.
  • the logical channels associated with the split RB include m logical channels associated with the first MAC entity and n logical channels associated with the second MAC entity
  • the i+1th logical channel is the i+1th logical channel among the m logical channels associated with the first MAC entity; or, if i+1 is greater than m, the i+1th logical channel is the i+1-mth logical channels among the n logical channels associated with the second MAC entity.
  • the specific implementation method of the communication device in the seventh aspect can refer to the behavior function of the PDCP entity of the terminal device in the communication method provided by the third aspect or any possible design of the third aspect.
  • an embodiment of the present application provides a communication device, which can be applied to a network device in the fourth aspect or a possible design of the fourth aspect to implement the functions performed by the network device.
  • the communication device can be a network device, or a chip or system on chip for implementing the functions of the network device, and the communication device can implement the functions performed by the PDCP entity of the terminal device by executing corresponding software through hardware.
  • the hardware or software includes one or more modules corresponding to the above functions. For example, a transceiver module and a processing module.
  • the processing module is used to determine configuration information, and the transceiver module is used to send configuration information to the terminal device; wherein the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication information; the first indication information is used to indicate that the PDCP entity of the terminal device is configured as a split radio bearer RB; the seventh indication information is used to indicate the number of logical channels associated with the split RB, and the number of logical channels is determined according to the maximum value of the data set sent by the terminal device in the protocol data unit set delay budget PSDB and the number of importance levels; the third indication information is used to indicate the configuration of one or more media access control MAC entities; the fourth indication information is used to indicate the number of logical channels associated with each MAC entity; the fifth indication information is used to indicate the identification information of the logical channel.
  • the configuration information includes one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication information; the first indication information is used to indicate
  • the specific implementation method of the communication device in the eighth aspect can refer to the behavioral function of the network device in the communication method provided by the fourth aspect or any possible design of the fourth aspect.
  • an embodiment of the present application provides a communication device, which includes one or more processors; one or more processors are used to run computer programs or instructions, and when the one or more processors execute the computer instructions or instructions, the communication device executes the communication method described in any one of the first to fourth aspects.
  • the communication device further includes one or more memories, the one or more memories are coupled to one or more processors, and the one or more memories are used to store the above-mentioned computer programs or instructions.
  • the memory is located outside the communication device. In another possible implementation, the memory is located inside the communication device.
  • the processor and the memory may also be integrated into one device, that is, the processor and the memory may also be integrated together.
  • the communication device further includes a transceiver, and the transceiver is used to receive information and/or send information.
  • the communication device also includes one or more communication interfaces, the one or more communication interfaces are coupled to the one or more processors, and the one or more communication interfaces are used to communicate with other modules outside the communication device.
  • an embodiment of the present application provides a communication device, which includes an input and output interface and a logic circuit; the input and output interface is used to input and/or output information; the logic circuit is used to execute the communication method described in any one of the first to fourth aspects, and process and/or generate information based on the information.
  • an embodiment of the present application provides a computer-readable storage medium, which stores computer instructions or programs.
  • the computer instructions or programs are run on a computer, the communication method described in any one of the first to fourth aspects is executed.
  • an embodiment of the present application provides a computer program product comprising computer instructions, which, when executed on a computer, enables the communication method described in any one of the first to fourth aspects to be executed.
  • an embodiment of the present application provides a computer program, which, when executed on a computer, enables the communication method described in any one of the first to fourth aspects to be executed.
  • the technical effects brought about by any design method in the ninth to thirteenth aspects can refer to the technical effects brought about by any design method in the first to fourth aspects mentioned above.
  • an embodiment of the present application provides a communication system, which may include the communication device as described in the fifth aspect and the communication device as described in the sixth aspect, or include the communication device as described in the seventh aspect and the communication device as described in the eighth aspect.
  • FIG1 is a schematic diagram of a user plane protocol stack architecture provided in an embodiment of the present application.
  • FIG2 is a schematic diagram of routing of a PDCP layer provided in an embodiment of the present application.
  • FIG3 is a schematic diagram of a communication system provided in an embodiment of the present application.
  • FIG4 is a schematic diagram of a 5G communication system provided in an embodiment of the present application.
  • FIG5 is a schematic diagram of a network architecture provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of a network architecture provided in an embodiment of the present application.
  • FIG7 is a schematic diagram of a protocol architecture A provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of a protocol architecture B provided in an embodiment of the present application.
  • FIG9 is a schematic diagram of the composition of a communication device provided in an embodiment of the present application.
  • FIG10 is a flow chart of a communication method provided in an embodiment of the present application.
  • FIG11 is a schematic diagram of routing of a PDCP layer provided in an embodiment of the present application.
  • FIG12 is a flow chart of a communication method provided in an embodiment of the present application.
  • FIG13 is a schematic diagram of routing of a PDCP layer provided in an embodiment of the present application.
  • FIG14 is a schematic diagram of the composition of a communication device provided in an embodiment of the present application.
  • FIG15 is a diagram showing the structure of a communication device provided in an embodiment of the present application.
  • Wireless access network side protocol stack may include control plane protocol stack and user plane protocol stack, network equipment and terminal equipment can communicate based on the protocol stack.
  • control plane protocol stack architecture that is, the protocol cluster used for control signaling transmission in the communication system, may include non-access stratum (NAS) layer, radio resource control (RRC) layer, packet data convergence protocol (PDCP) layer, radio link control (RLC) layer, medium access control (MAC) layer and physical (PHY) layer.
  • NAS non-access stratum
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • RLC radio link control
  • MAC medium access control
  • PHY physical
  • the user plane protocol stack architecture that is, the protocol cluster used for user data transmission, as shown in Figure 1, may include the service data adaptation protocol (SDAP) layer, PDCP layer, RLC layer, MAC layer and PHY layer.
  • SDAP service data adaptation protocol
  • the data transmission process can be described as follows: the data first arrives at the SDAP layer of the terminal device, and after being mapped by the SDAP layer, it is transmitted to the PDCP layer, and after being processed by the PDCP layer of the terminal device, it is transmitted to the RLC layer and the MAC layer, and after being processed accordingly, it is sent out from the physical layer and transmitted to the network device through the air interface.
  • Each protocol layer of the network device performs corresponding processing on the received data in turn in the opposite processing order of the terminal device.
  • each layer On the terminal device and network device side, the processing of data packets by each layer can be figuratively combined into a radio bearer (RB). Each data in the radio bearer needs to be processed by each layer.
  • Each layer has a corresponding functional entity or bearer to perform the corresponding function, such as the SDAP entity of the SDAP layer, the PDCP entity of the PDCP layer, the RLC entity of the RLC layer (or described as RLC bearer), and the MAC entity of the MAC layer.
  • split radio bearer For split RB, the PDCP entity of the terminal device can be associated with a primary RLC entity and one or more secondary RLC entities.
  • the PDCP entity can deliver the data to the primary RLC entity or the secondary RLC entity based on the data volume of the received data.
  • the PDCP entity can deliver the data to the primary RLC entity or the secondary RLC entity.
  • the PDCP entity can deliver the data to the primary RLC entity.
  • the data may include protocol data unit (PDU) and/or service data unit (SDU).
  • PDU protocol data unit
  • SDU service data unit
  • the PDCP entity can compare the data volume and data volume of the PDCP layer. If the data volume is less than the data volume threshold, the PDCP entity can deliver the data to the primary RLC entity; if the data volume is greater than or equal to the data volume threshold, the PDCP entity can deliver the data to the primary RLC entity or the secondary RLC entity.
  • the PDCP entity of the terminal device can save the data that arrives successively in the cache.
  • UL uplink
  • PDB packet delay budget
  • the uplink AR service has the following traffic characteristics. Based on the traffic characteristics, it can be known that the uplink PDB of the uplink AR service is longer than the period for generating service data:
  • the PDCP entity of the terminal device delivers data to the primary RLC entity or the secondary RLC entity according to the data volume
  • the data that arrives first (or is described as old data, old PDU, old PDU set, etc.) and the data that arrives later (or is described as new data, new PDU, new PDU set, etc.) may be delivered to the same RLC entity (or described as being mapped to the same logical channel), that is, the data that arrives first and the data that arrives later may be processed in the same way, which may cause some data to exceed its own PDB requirements, thereby reducing the reliability of data transmission.
  • the PDCP entity cannot separate the data that arrives first from the data that arrives later, and cannot process different data differently.
  • the PDCP entity of the terminal device delivers data to the RLC entity to meet the PDB requirements of the data, reduce data transmission delay, and improve data transmission reliability has become a technical problem that needs to be solved urgently.
  • an embodiment of the present application provides a communication method, in which a first PDCP entity of a terminal device can obtain one or more data sets and submit the data sets to an RLC entity associated with the data sets; wherein the terminal device includes multiple PDCP entities, the multiple PDCP entities include a first PDCP entity, and different PDCP entities obtain data sets of different importance levels; the first PDCP entity is associated with multiple RLC entities, and different data sets are associated with different RLC entities.
  • data sets of different importance levels can be submitted to different PDCP entities to achieve differentiated processing of data sets of different importance levels.
  • different data sets can also be submitted to different RLC entities to achieve differentiated processing of different data sets, thereby meeting the packet delay budget PDB requirements of the data set, reducing data transmission delay, and improving data transmission reliability.
  • the communication method provided in the embodiments of the present application can be used in any communication system, which can be a third generation partnership project (3GPP) communication system, for example, a long term evolution (LTE) system, or a fifth generation (5G) mobile communication system, a new radio (NR) communication system, a new radio vehicle to everything (NR V2X) system, and can also be applied to a system of LTE and 5G hybrid networking, or a non-terrestrial network (NTN) system, a device-to-device (D2D) communication system, a machine-to-machine (M2M) communication system, an Internet of Things (IoT), and other next generation communication systems, such as future communication systems such as 6G, and can also be a non-3GPP communication system without limitation.
  • 3GPP third generation partnership project
  • LTE long term evolution
  • 5G fifth generation
  • NR new radio
  • NR V2X new radio vehicle to everything
  • NTN non-terrestrial network
  • D2D device-to-device
  • FIG3 is a schematic diagram of a communication system provided in an embodiment of the present application.
  • the communication system may include one or more terminal devices, network devices, core network devices, and data networks.
  • the core network devices may include network elements such as mobility management network elements, session management network elements, and user plane network elements.
  • the terminal device may be located within the cell coverage of the network device.
  • the terminal device may communicate with the network device via an uplink (UL) or a downlink (DL).
  • the terminal device may send uplink data to the network device via a physical uplink shared channel (PUSCH) in the UL direction; the network device may send downlink data to the terminal device via a physical downlink shared channel (PDSCH) in the DL direction.
  • PUSCH physical uplink shared channel
  • PDSCH physical downlink shared channel
  • the terminal device in FIG3 may also communicate with the core network device through a specific interface.
  • the terminal device may communicate with the mobility management network element in the core network device through the N1 interface.
  • the terminal device After accessing the network, the terminal device can establish a protocol data unit (PDU) session, access the external data network through the PDU session, and interact with the application server deployed in the data network.
  • PDU protocol data unit
  • the terminal device in FIG3 may be a device with wireless transceiver functions or a chip or chip system that can be set in the device, which can allow the user to access the network and is a device for providing voice and/or data connectivity to the user.
  • the terminal device may include an application (APP) related to the operation of a service (such as an extended reality (XR) service), and the APP may provide the terminal device with application data related to the service (such as XR data).
  • APP application
  • XR extended reality
  • XR business refers to various environments that combine reality and virtuality, as well as human-machine interactions, generated by computing technology and wearable devices. Exemplary, it can include the following typical forms: AR, mixed reality (MR), and virtual reality (VR).
  • AR mixed reality
  • VR virtual reality
  • the terminal device may also be called user equipment (UE), subscriber unit (subscriber unit), terminal or mobile station (MS) or mobile terminal (MT), etc.
  • UE user equipment
  • subscriber unit subscriber unit
  • MS mobile station
  • MT mobile terminal
  • the terminal device in FIG3 may be a cellular phone, a smart phone, a wireless data card, a mobile phone, a personal digital assistant (PDA), a tablet computer or a computer with wireless transceiver function, a wireless modem, a handheld device (handset), or a laptop computer.
  • PDA personal digital assistant
  • the terminal equipment can also be VR terminal, AR terminal, wireless terminal in industrial control, wireless terminal in unmanned driving, wireless terminal in telemedicine, wireless terminal in smart grid, wireless terminal in smart city, wireless terminal in smart home, machine type communication (MTC) terminal on-board terminal, vehicle with vehicle-to-vehicle (V2V) communication capability, intelligent connected vehicle, drone with UAV to UAV (U2U) communication capability, etc., without restriction.
  • VR terminal VR terminal
  • AR terminal wireless terminal in industrial control
  • wireless terminal in unmanned driving wireless terminal in telemedicine
  • wireless terminal in smart grid wireless terminal in smart city, wireless terminal in smart home
  • MTC machine type communication
  • V2V vehicle with vehicle-to-vehicle
  • intelligent connected vehicle drone with UAV to UAV (U2U) communication capability, etc., without restriction.
  • the network device in FIG3 may be any device deployed in the access network that can communicate wirelessly with the terminal device, and is mainly used to implement wireless physical control functions, resource scheduling and wireless resource management, wireless access control, and mobility management functions.
  • the network device may be a device that supports wired access or a device that supports wireless access.
  • the network device may be an access network (AN)/radio access network (RAN) device, which is composed of multiple AN/RAN nodes.
  • AN access network
  • RAN radio access network
  • the AN/RAN node may be: an access point (AP), a base station (nodeB, NB), a macro base station, a micro base station (or described as a small station), a relay station, an enhanced base station (enhance nodeB, eNB), a next generation eNB (next generation eNB, ng-eNB), a next generation base station (next generation nodeB, gNB), a transmission reception point (TRP), a transmission point (TP), a transmission measurement function (TMF), a wearable device, a vehicle-mounted device, or some other access node, etc., without limitation.
  • AP access point
  • a base station nodeB, NB
  • a macro base station a micro base station (or described as a small station
  • a relay station an enhanced base station (enhance nodeB, eNB), a next generation eNB (next generation eNB, ng-eNB), a next generation base station (next generation nodeB
  • the network device may also be a centralized unit (CU)/distributed unit (DU) architecture, in which case the network device may include two network elements, CU and DU; the network device may also be a control plane-user plane (CP-UP) architecture, in which case the network device may include three network elements, namely the CU control plane (CU-CP), the CU user plane (CU-UP) and the DU, without restriction.
  • CU centralized unit
  • DU distributed unit
  • CP-UP control plane-user plane
  • the core network equipment in FIG3 is mainly responsible for providing user connections, user management, and service carrying, and serves as an interface to the external network as a bearer network.
  • the mobility management network element in Figure 3 is an access and mobility management function for terminal devices deployed in the wireless core network. It is mainly responsible for access authentication, mobility management, and signaling interaction between various functional network elements, such as: managing the user's registration status, user connection status, user registration, tracking area update, cell switching user authentication, and key security. It can also provide a session management message transmission channel for terminal devices and session management network elements, and provide authentication and authorization functions for user access. It is the access point for terminal devices and the wireless core network control plane.
  • the session management network element in Figure 3 is mainly used to implement the user plane transmission logical channel, such as: PDU session establishment, release and change
  • the session management NE can also send the quality of service flow (QoS flow) configuration and QoS requirements of the PDU session to the network device through the mobility management NE.
  • QoS flow quality of service flow
  • the user plane network element in Figure 3 can be called a PDU session anchor point, a user plane function (UPF), and a multicast/broadcast user plane function (MB-UPF).
  • the user plane network element can serve as an anchor point on the user plane transmission logical channel, and is mainly used to complete functions such as routing and forwarding of user plane data, such as: establishing a channel with the terminal device (i.e., the user plane transmission logical channel), forwarding data packets between the terminal device and the data network on the channel, and filtering data packets of the terminal device, forwarding data, controlling the rate, generating billing information, etc.
  • the data network in FIG3 may be an operator network that provides data transmission services to users, such as an operator network that provides Internet protocol multimedia services (IMS) to users.
  • An application server (AS) may be deployed in the data network, and the application server may provide data transmission services to users.
  • terminal device, network device and core network device of the embodiment of the present application can be one or more chips, or a system on chip (SOC), etc.
  • Figure 3 is only an exemplary figure, and the number of devices included is not limited.
  • the communication system may also include other devices.
  • the names of each device and each link in Figure 3 are not limited. In addition to the names shown in Figure 3, each device and each link can also be named with other names without limitation.
  • the network elements or entities corresponding to the above-mentioned network devices can be gNB and ng-eNB in the 5G communication system; the network element or entity corresponding to the mobility management network element can be the access and mobility management function (AMF) in the 5G communication system; the network element or entity corresponding to the user plane network element can be the UPF in the 5G communication system.
  • AMF access and mobility management function
  • the gNB or ng-eNB can communicate with the AMF or UPF through the NG interface, the gNB can communicate with the gNB or ng-eNB through the Xn interface, and the ng-eNB can communicate with the gNB or ng-eNB through the Xn interface.
  • the terminal device can communicate with the application server in the data network through the network device and the core network device.
  • any network architecture shown in FIG. 5 or FIG. 6 can be used for data transmission.
  • the user-side network element after the user-side network element receives the data sent by the application server, it can use different data streams (such as different QoS streams) to send different data to the network device; the network device can also use different data streams (such as different data radio bearers (DRB) or different logical channels (LCH)) to send different data to the terminal device.
  • DRB data radio bearers
  • LCH logical channels
  • the application server can use different data streams (such as Internet protocol (IP) streams) to send different data to the user plane network element; it can also use the same data stream to transmit different data to the user plane network element.
  • IP Internet protocol
  • the application server uses the same data stream to transmit different data to the user plane network element, the user plane network element can distinguish the received data and transmit different data to the network device through different data streams (such as different QoS streams).
  • different data can be data of different priorities, data of different types, or other different data, without restriction.
  • the data flow between the application server and the user-plane network element, the data flow between the user-plane network element and the network device, and the data flow between the network device and the terminal device can represent different meanings.
  • the data flow between the application server and the user-plane network element can be an Internet protocol (IP) flow
  • IP Internet protocol
  • the data flow between the user-plane network element and the network device can be a QoS flow
  • the data flow between the network device and the terminal device can be a DRB or LCH, etc., without restriction.
  • the user plane network element can also use the same data stream (such as the same QoS stream) to transmit different data to the network device. After the network device receives the data sent by the user plane network element, it can distinguish the data and transmit different data to the terminal device through different data streams (such as different DRBs or different LCHs).
  • the same data stream such as the same QoS stream
  • the network device After the network device receives the data sent by the user plane network element, it can distinguish the data and transmit different data to the terminal device through different data streams (such as different DRBs or different LCHs).
  • the above Figures 5 to 6 describe the network architecture by taking the application server sending data to the terminal device as an example.
  • the terminal device sends data to the application server, for example, the terminal device can map the application layer data to the corresponding DRB or LCH for transmission based on the mapping relationship between the QoS flow and the DRB or LCH.
  • the SDAP layer of the terminal device can receive data associated with different QoS streams sent by the application layer, the SDAP entity can submit data associated with different QoS streams to different PDCP entities, and the PDCP entity can submit the received data to the RLC entity associated with itself.
  • the SDAP entity receives data associated with QoS flow 1 and data associated with QoS flow 2 sent by the application layer.
  • the SDAP entity may deliver data associated with QoS flow 1 (or described as associated QoS flow identifier 1 (QFI 1)) to PDCP entity 1, and deliver data associated with QoS flow 2 (or described as associated QFI 2) to PDCP entity 2.
  • QFI 1 QoS flow identifier 1
  • PDCP entity 1 delivers data associated with QoS flow 1 to the RLC entity associated with itself.
  • PDCP entity 2 delivers data associated with QoS flow 2 to the RLC entity associated with itself.
  • the SDAP entity of the terminal device can be associated with multiple PDCP entities.
  • the PDCP entity can also be associated with multiple RLC entities.
  • the protocol architecture shown in FIG. 7 can also be referred to as protocol architecture A.
  • the SDAP layer of the terminal device can receive data associated with different QoS streams sent by the application layer, the SDAP entity can submit data associated with different QoS streams to the same PDCP entity, and the PDCP entity can submit data associated with different QoS streams to different RLC entities associated with itself.
  • the SDAP entity may deliver data of the associated QoS flow 1 (or described as associated QFI 1) and data of the associated QoS flow 2 (or described as associated QFI 2) to the PDCP entity.
  • the PDCP entity may deliver data of the associated QoS flow 1 to the RLC entity 1 associated with itself, and deliver data of the associated QoS flow 2 to the RLC entity 2 associated with itself.
  • the SDAP entity of the terminal device can be associated with one PDCP entity.
  • the PDCP entity can be associated with multiple RLC entities.
  • the protocol architecture shown in FIG. 8 can also be referred to as protocol architecture B.
  • each terminal device, network device, and core network device may adopt the composition structure shown in Figure 9, or include the components shown in Figure 9.
  • Figure 9 is a schematic diagram of the composition of a communication device 900 provided in an embodiment of the present application.
  • the communication device 900 may be a terminal device or a chip or a system on chip in a terminal device; it may also be a network device or a chip or a system on chip in a network device; it may also be a core network device or a chip or a system on chip in a core network device.
  • the communication device 900 includes a processor 901, a transceiver 902, and a communication line 903.
  • the communication device 900 may also include a memory 904.
  • the processor 901, the memory 904 and the transceiver 902 may be connected via a communication line 903.
  • the processor 901 is a central processing unit (CPU), a general-purpose processor, a network processor (NP), a digital signal processor (DSP), a microprocessor, a microcontroller, a programmable logic device (PLD), or any combination thereof.
  • the processor 901 may also be other devices with processing functions, such as circuits, devices, or software modules, without limitation.
  • the transceiver 902 is used to communicate with other devices or other communication networks.
  • the other communication networks may be Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc.
  • the transceiver 902 may be a module, a circuit, a transceiver or any device capable of achieving communication.
  • the communication line 903 is used to transmit information between the components included in the communication device 900.
  • the memory 904 is used to store instructions, where the instructions may be computer programs.
  • the memory 904 can be a read-only memory (ROM) or other types of static storage devices that can store static information and/or instructions, or a random access memory (RAM) or other types of dynamic storage devices that can store information and/or instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, etc., without limitation.
  • ROM read-only memory
  • RAM random access memory
  • EEPROM electrically erasable programmable read-only memory
  • CD-ROM compact disc read-only memory
  • CD-ROM compact disc read-only memory
  • optical disc storage including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
  • magnetic disk storage media or other magnetic storage devices etc.
  • the memory 904 can exist independently of the processor 901, or can be integrated with the processor 901.
  • the memory 904 can be used to store instructions or program codes or some data, etc.
  • the memory 904 can be located in the communication device 900, or can be located outside the communication device 900, without limitation.
  • the processor 901 is used to execute the instructions stored in the memory 904 to implement the communication method provided in the following embodiments of the present application.
  • the processor 901 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 9 .
  • the communication device 900 includes multiple processors.
  • the processor 901 in FIG. 9 it may also include a processor 907 .
  • the communication device 900 further includes an output device 905 and an input device 906.
  • the input device 906 is a device such as a keyboard, a mouse, a microphone or a joystick
  • the output device 905 is a device such as a display screen and a speaker.
  • the communication device 900 may be a desktop computer, a portable computer, a network server, a mobile phone, a tablet computer, a wireless terminal, an embedded device, a chip system, or a device having a similar structure as shown in FIG9.
  • the composition structure shown in FIG9 does not constitute a limitation on the communication device.
  • the communication device may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.
  • the chip system may be composed of a chip, or may include a chip and other discrete devices.
  • the terminal device may be any terminal device in the communication system shown in FIG3
  • the network device may be any network device in the communication system shown in FIG3
  • the terminal devices and network devices described in the following embodiments may all have the components shown in FIG9 .
  • the processing performed by a single execution subject (terminal device or network device) shown in the embodiment of the present application may also be divided into executions by multiple execution subjects, and these execution subjects may be logically and/or physically separated without limitation.
  • FIG. 10 is a flow chart of a communication method provided in an embodiment of the present application. The method may be applied to the network architecture shown in FIG. 5 or the protocol architecture A shown in FIG. 7 . As shown in FIG. 10 , the method may include:
  • Step 1001 The first PDCP entity of the terminal device obtains one or more data sets.
  • the terminal device may include multiple PDCP entities, each PDCP entity may be associated with one or more RLC entities, and different PDCP entities may obtain data sets with different importance levels.
  • multiple PDCP entities may include a first PDCP entity.
  • the process of the PDCP entity acquiring data and submitting data to the RLC entity associated with itself is described by taking the first PDCP entity as an example. It can be understood that each PDCP entity in the terminal device can refer to the process of the first PDCP entity acquiring data and submitting data to the RLC entity, acquiring data and submitting data to the RLC entity associated with itself. That is, the first PDCP entity can be any PDCP entity among the multiple PDCP entities of the terminal device.
  • a data set may include one or more data.
  • a data set may also be described as a data burst.
  • the data may include PDU and/or SDU
  • the data set may be a PDU set (PDU set) and/or an SDU set (SDU set).
  • the data set may be a data set of an XR service.
  • the SDAP entity of the terminal device when it receives a data set from the application layer, it can send data sets of different importance levels to different PDCP entities according to the importance levels of the data sets.
  • the terminal device may receive configuration information from the network device.
  • the network device may send configuration information to the terminal device through RRC signaling, and the configuration information may also be referred to as RRC configuration, RRC configuration information, etc., without limitation.
  • the RRC layer of the terminal device may deliver the configuration information to the PDCP layer, RLC layer, and MAC layer of the terminal device to complete the configuration of the PDCP entity, RLC entity, logical channel, and MAC entity according to the configuration information.
  • the configuration information may include one or more of the following: first indication information, second indication information, third indication information, fourth indication information, and fifth indication information.
  • the first indication information can be used to indicate that the PDCP entity of the terminal device is configured as a split RB.
  • the terminal device includes multiple PDCPs, and the first indication information can be used to indicate that each PDCP entity is configured as a split RB.
  • the first indication information may also be used to indicate that a PDCP entity associated with a certain service in the terminal device is configured as a split RB.
  • the first indication information may also be used to indicate that the PDCP entity associated with the XR service in the terminal device is configured as a split RB.
  • the second indication information may be used to indicate the configured number of logical channels associated with the split RB.
  • the configured number of logical channels can be equal to the maximum value (maxDataBurstWithinPSDB) of the data set sent by the terminal device in the protocol data unit set delay budget (PDU set delay budget, PSDB).
  • the mobility management network element may determine the PSDB and the data transmission cycle of the service according to the QoS requirements of the service.
  • the management network element can send the determined PSDB and the data transmission period of the service to the network device.
  • the network device can determine the maximum value of the data set sent by the terminal device in the PSDB according to the received PSDB and the data transmission period of the service, and determine the maximum value as the configured number of logical channels associated with the split RB.
  • the network device can determine that the maximum value of the data set sent by the terminal device in the PSDB is 4, that is, the configured number of logical channels associated with the split RB is 4.
  • the logical channels correspond one-to-one to the RLC entities, that is, the terminal device can determine the configured number of logical channels and the configured number of RLC entities according to the second indication information.
  • the terminal device can determine that the first PDCP entity is associated with 4 RLC entities, and each RLC entity is associated with one logical channel.
  • the third indication information may be used to indicate the configuration of one or more MAC entities, or the third indication information may also be described as being used to indicate the configured number of MAC entities.
  • configuring multiple MAC entities can increase the throughput of the terminal device.
  • the above-mentioned fourth indication information can be used to indicate the number of logical channels associated with each MAC entity.
  • the sum of the numbers of logical channels associated with each MAC entity is equal to the configured number of logical channels associated with the split RB indicated by the above-mentioned second indication information.
  • m logical channels can be configured for the first MAC entity and n logical channels can be configured for the second MAC entity, where the sum of m and n is equal to the configured number of logical channels associated with the split RB indicated by the second indication information.
  • the multiple logical channels associated with each MAC entity may be continuous logical channels or discontinuous logical channels without restriction.
  • the logical channels associated with multiple MAC entities may be continuous logical channels or discontinuous logical channels without restriction.
  • the fifth indication information may be used to indicate identification information of a logical channel.
  • the fifth indication information can be used to indicate the identification information of the first logical channel associated with each MAC entity; the difference between the identification information of two consecutive logical channels associated with the same MAC entity is the first difference.
  • the identification information of the first logical channel may also be referred to as the start identification information of the logical channel, the logical channel start identification (logicalChannelStartIdentity), etc., without limitation.
  • the network device can indicate the identification information of the first logical channel associated with each MAC entity to the terminal device, and the terminal device can determine the identification information of the remaining logical channels in the MAC entity based on the identification information of the first logical channel and the first difference.
  • the first difference may be indicated by the network device to the terminal device, may be pre-defined by the protocol, or may be customized by the terminal device, without limitation.
  • the identification information between consecutive logical channels is also continuous; when the first difference is not 1, the identification information between consecutive logical channels is separated by the first difference.
  • the "per MAC entity" method can be used to indicate the identification information of the first logical channel associated with each MAC entity.
  • the fifth indication information can imply the configured number of MAC entities, that is, the terminal device can determine the configured number of MAC entities according to the number of identification information of the first logical channel indicated by the fifth indication information. The network device does not need to send the third indication information to the terminal device.
  • a network device configures two MAC entities for a terminal device, the first MAC entity is associated with three consecutive logical channels, the second MAC entity is associated with four consecutive logical channels, and the first difference is 1. For example, if the fifth indication information is used to indicate that the identification information of the first logical channel associated with the first MAC entity is 1, and the identification information of the first logical channel associated with the second MAC entity is 6, then the terminal device can determine that the identification information of the logical channels associated with the first MAC entity is 1, 2, 3; and the identification information of the logical channels associated with the second MAC entity is 6, 7, 8, 9.
  • the fifth indication information can be used to indicate the identification information of each logical channel associated with each MAC entity.
  • the network device when the network device indicates the identification information of each logical channel associated with each MAC entity through the fifth indication information, the network device can use the "per MAC entity" method to indicate the identification information of the logical channel of each MAC entity to the terminal device.
  • the fifth indication information can imply the configured number of MAC entities, that is, the terminal device can determine the configured number of MAC entities based on the fifth indication information.
  • the network device does not need to send the third indication information to the terminal device.
  • the fifth indication information can also imply each MAC
  • the number of logical channels associated with the entity that is, the terminal device can also determine the number of logical channels associated with each MAC entity based on the fifth indication information, and the network device does not need to send the fourth indication information to the terminal device.
  • the network device can indicate the identification information of each logical channel associated with each MAC entity through the fifth indication information; when the multiple logical channels associated with each MAC entity are not continuous logical channels, the network device can also indicate the identification information of each logical channel associated with each MAC entity through the fifth indication information without restriction.
  • the configuration information related to the logical channel can be carried in the configuration information related to the MAC layer, that is, when the terminal device performs the configuration of the MAC layer, it can perform the configuration of the logical channel.
  • the logical channel may be configured according to service requirements.
  • the terminal device may also associate the logical channel with the RLC entity to obtain an association relationship between the logical channel and the RLC entity.
  • the PDCP entity, RLC entity and MAC entity of the terminal device can save the association relationship between the logical channel and the RLC entity, so as to facilitate subsequent data transmission based on the association relationship.
  • Step 1002 The first PDCP entity delivers the data set to the RLC entity associated with the data set.
  • the first PDCP entity may be associated with one or more RLC entities, and different data sets may be associated with different RLC entities.
  • the first PDCP entity may determine the logical channel associated with the data set based on the first count value, determine the RLC entity associated with the data set based on the association relationship between the logical channel associated with the data set and the RLC entity and the logical channel, and then submit the data set to the RLC entity associated with the data set.
  • the sixth indication information may be used to indicate the arrival of a data set; and the initial value of the first count value may be 0.
  • the first count value may be counted by a first counter.
  • the first counter may also be described as a data burst counter (DATA_BURST_COUNTER).
  • the first count value is updated once.
  • the first PDCP entity may refer to the following formula (1), increase the first count value by one, and determine the modulus value of the first count value after the increase by one and the configured number of logical channels associated with the split RB as the updated first count value: (DATA_BURST_COUNTER++)module(maxDataBurstWithinPSDB); Formula (1)
  • DATA_BURST_COUNTER represents the first count value
  • DATA_BURST_COUNTER++ represents adding one to the first count value
  • module is a modulo operation
  • maxDataBurstWithinPSDB represents the configured number of logical channels associated with the split RB.
  • the first PDCP entity determines the i+1th logical channel associated with the split RB as the logical channel associated with the data set.
  • i is greater than or equal to 0.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with the MAC entity, arranged from small to large according to the identification information of the logical channels.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the logical channel.
  • the logical channels can be arranged in ascending order according to the identification information of the logical channels.
  • the identification information of the logical channels associated with the first MAC entity is 1, 2 and 3
  • the identification information of the logical channels associated with the second MAC entity is 7, 8, 9, 10
  • the result of sorting the logical channels in order from smallest to smallest is: logical channel 1, logical channel 2, logical channel 3, logical channel 7, logical channel 8, logical channel 9, logical channel 10.
  • the i+1th logical channel is the i-th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the MAC entity and the identification information of the logical channel.
  • the logical channels can be arranged in ascending order according to the identification information of the MAC entity and the identification information of the logical channel.
  • the identification information of the MAC entity can be arranged in ascending order, and then the logical channels associated with the first MAC entity can be arranged in ascending order according to the identification information of the logical channels, and then the logical channels associated with the second MAC entity can be arranged in ascending order according to the identification information of the logical channels, until the logical channels associated with the last MAC entity are arranged in ascending order according to the identification information of the logical channels.
  • the identification information of the logical channel associated with the first MAC entity is 1, 2 and 3, and the identification information of the logical channel associated with the second MAC entity is 3, 4, 5, 6, as an example
  • the result of sorting the logical channels in order from smallest to smallest is: logical channel 1 of the first MAC entity, logical channel 2 of the first MAC entity, logical channel 3 of the first MAC entity, logical channel 3 of the second MAC entity, logical channel 4 of the second MAC entity, logical channel 5 of the second MAC entity, and logical channel 6 of the second MAC entity.
  • the logical channels may be arranged in ascending order according to the identification information of the MAC entities and the identification information of the logical channels.
  • the i+1th logical channel may be the i+1th logical channel among the m logical channels associated with the first MAC entity; or, if i+1 is greater than m, the i+1th logical channel may be the i+1-mth logical channels among the n logical channels associated with the second MAC entity.
  • the first PDCP entity can also determine the identification information of the i+1th logical channel associated with the data set according to the following formula (2) or formula (3).
  • the identification information of the i+1th logical channel may be: logicalChannelStartIdentity1+DATA_BURST_COUNTER; Formula (2)
  • the identification information of the i+1th logical channel can be: logicalChannelStartIdentity2+DATA_BURST_COUNTER-m; Formula (3)
  • logicalChannelStartIdentity1 represents the identification information of the first logical channel associated with the first MAC entity
  • logicalChannelStartIdentity2 represents the identification information of the first logical channel associated with the second MAC entity
  • DATA_BURST_COUNTER represents the first count value i.
  • the first PDCP entity can deliver the first received data set (such as data burst 1) to the RLC entity associated with logical channel 1, deliver the second received data set (such as data burst 2) to the RLC entity associated with logical channel 5, and deliver the third received data set (such as data burst3) to the RLC entity associated with logical channel 6.
  • first received data set such as data burst 1
  • second received data set such as data burst 2
  • third received data set such as data burst3
  • data sets of different importance levels can be submitted to different PDCP entities to achieve different processing of data sets of different importance levels.
  • each PDCP entity processes the acquired data set, it can also submit different data sets to different RLC entities/logical channels to achieve different processing of different data sets, thereby meeting the packet delay budget PDB requirements of the data set, reducing data transmission delay, and improving data transmission reliability.
  • data sets of different importance levels may also be delivered to the same PDCP entity.
  • FIG. 12 is a flow chart of a communication method provided in an embodiment of the present application. The method may be applied to the network architecture shown in FIG. 6 or the protocol architecture B shown in FIG. 8 . As shown in FIG. 12 , the method may include:
  • Step 1201 The PDCP entity of the terminal device obtains one or more data sets.
  • the terminal device may include a PDCP entity, the PDCP entity may be associated with one or more RLC entities, and the PDCP entity may obtain data sets of different importance levels, that is, one or more data sets obtained by the PDCP entity may be associated with one or more importance levels.
  • a data set may include one or more data.
  • a data set may also be described as a data burst.
  • the data may include a PDU and/or an SDU
  • the data set may be a PDU set (PDU set) and/or an SDU set (SDU set).
  • the data set may be a data set of an XR service.
  • the SDAP entity of the terminal device when it receives a data set from the application layer, it can send the received data set to the PDCP entity.
  • the terminal device may receive configuration information from the network device.
  • the network device may send configuration information to the terminal device through RRC signaling, and the configuration information may also be referred to as RRC configuration, RRC configuration information, etc., without limitation.
  • the RRC layer of the terminal device may deliver the configuration information to the PDCP layer, RLC layer, and MAC layer of the terminal device to complete the configuration of the PDCP entity, RLC entity, logical channel, and MAC entity according to the configuration information.
  • the configuration information may include one or more of the following: first indication information, seventh indication information, third indication information, fourth indication information, and fifth indication information.
  • the description of the first indication information, the third indication information, the fourth indication information and the fifth indication information can refer to the relevant description of the first indication information, the third indication information, the fourth indication information and the fifth indication information in the above-mentioned Figure 10, and will not be repeated here.
  • the seventh indication information may be used to indicate the configured number of logical channels associated with the split RB.
  • the configured number of logical channels can be determined based on the maximum value (maxDataBurstWithinPSDB) of the data set sent by the terminal device in the PSDB and the number of importance levels.
  • the mobility management network element may determine the PSDB and the data transmission period of the service according to the QoS requirements of the service.
  • the mobility management network element may send the determined PSDB and the data transmission period of the service to the network device.
  • the network device may determine the maximum value of the data set sent by the terminal device in the PSDB according to the received PSDB and the data transmission period of the service.
  • the number of importance levels may be predefined by the protocol or may be preconfigured for the network device, without limitation.
  • the network device may determine the product of the maximum value of the data set sent by the terminal device in the PSDB and the number of importance levels (maxDataBurstWithinPSDB*ImportanceLevel) as the configured number of logical channels associated with the split RB.
  • the logical channels correspond one-to-one to the RLC entities, that is, the terminal device can determine the configured number of logical channels and the configured number of RLC entities according to the seventh indication information.
  • the terminal device can determine that the PDCP entity is associated with 4 RLC entities, and each RLC entity is associated with one logical channel.
  • the configuration information related to the logical channel can be carried in the configuration information related to the MAC layer, that is, when the terminal device performs the configuration of the MAC layer, it can perform the configuration of the logical channel.
  • the logical channel may be configured according to service requirements.
  • the terminal device may also associate the logical channel with the RLC entity to obtain an association relationship between the logical channel and the RLC entity.
  • the PDCP entity, RLC entity and MAC entity of the terminal device can save the association relationship between the logical channel and the RLC entity, so as to facilitate subsequent data transmission according to the association relationship.
  • Step 1202 The PDCP entity delivers data to the data-associated RLC entity.
  • the PDCP entity can be associated with one or more RLC entities, data with the same importance level in the same data set can be associated with the same RLC entity; data with different importance levels in the same data set can be associated with different RLC entities; data in different data sets can be associated with different RLC entities.
  • the PDCP entity may determine the logical channel associated with the data based on the first count value, determine the RLC entity associated with the data based on the association relationship between the logical channel associated with the data, the RLC entity and the logical channel, and then deliver the data to the RLC entity associated with the data.
  • the sixth indication information may be used to indicate the arrival of a data set; and the initial value of the first count value may be 0.
  • the first count value may be counted by a first counter.
  • the first counter may also be described as a data burst counter (DATA_BURST_COUNTER).
  • the first count value may be updated.
  • the PDCP entity submitting data to the RLC entity once may refer to the PDCP entity submitting one or more data with the same importance level in the same data set to an RLC entity.
  • the PDCP entity may refer to the following formula (4), increase the first count value by one, and determine the first count value after the increase by one and the modulus value of the configured number of logical channels associated with the split RB as the updated first count value: (DATA_BURST_COUNTER++)module(maxDataBurstWithinPSDB*ImportanceLevel); (Formula 4)
  • DATA_BURST_COUNTER represents the first count value
  • DATA_BURST_COUNTER++ represents adding one to the first count value
  • module is a modulo operation
  • maxDataBurstWithinPSDB*ImportanceLevel represents the configured number of logical channels associated with the split RB.
  • the PDCP entity determines the i+1th logical channel associated with the split RB as the data-associated logical channel.
  • i is greater than or equal to 0.
  • Data with the same importance level in the same data set are associated with the same first count value; data with different importance levels in the same data set are associated with different first count values, and data in different data sets are associated with different first count values.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with the MAC entity, arranged from small to large according to the identification information of the logical channels.
  • the i+1th logical channel is the i+1th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the logical channel.
  • the logical channels can be arranged in ascending order according to the identification information of the logical channels.
  • the identification information of the logical channels associated with the first MAC entity is 1, 2 and 3
  • the identification information of the logical channels associated with the second MAC entity is 7, 8, 9, 10
  • the result of sorting the logical channels in order from smallest to smallest is: logical channel 1, logical channel 2, logical channel 3, logical channel 7, logical channel 8, logical channel 9, logical channel 10.
  • the i+1th logical channel is the i-th logical channel among the logical channels associated with multiple MAC entities, arranged from small to large according to the identification information of the MAC entity and the identification information of the logical channel.
  • the logical channels can be arranged in ascending order according to the identification information of the MAC entity and the identification information of the logical channel.
  • the identification information of the MAC entity can be arranged in ascending order, and then the logical channels associated with the first MAC entity can be arranged in ascending order according to the identification information of the logical channels, and then the logical channels associated with the second MAC entity can be arranged in ascending order according to the identification information of the logical channels, until the logical channels associated with the last MAC entity are arranged in ascending order according to the identification information of the logical channels.
  • the identification information of the logical channel associated with the first MAC entity is 1, 2 and 3, and the identification information of the logical channel associated with the second MAC entity is 3, 4, 5, 6, as an example
  • the result of sorting the logical channels in order from smallest to smallest is: logical channel 1 of the first MAC entity, logical channel 2 of the first MAC entity, logical channel 3 of the first MAC entity, logical channel 3 of the second MAC entity, logical channel 4 of the second MAC entity, logical channel 5 of the second MAC entity, and logical channel 6 of the second MAC entity.
  • the logical channels may be arranged in ascending order according to the identification information of the MAC entities and the identification information of the logical channels.
  • the i+1th logical channel may be the i+1th logical channel among the m logical channels associated with the first MAC entity; or, if i+1 is greater than m, the i+1th logical channel may be the i+1-mth logical channels among the n logical channels associated with the second MAC entity.
  • the PDCP entity can also determine the identification information of the i+1th logical channel associated with the data set according to the following formula (5) or formula (6).
  • the identification information of the i+1th logical channel may be:
  • the identification information of the i+1th logical channel can be: logicalChannelStartIdentity2+(DATA_BURST_COUNTER)*ImportanceLevel+m; Formula (6)
  • logicalChannelStartIdentity1 represents the identification information of the first logical channel associated with the first MAC entity
  • logicalChannelStartIdentity2 represents the identification information of the first logical channel associated with the second MAC entity
  • DATA_BURST_COUNTER represents the first count value i
  • ImportanceLevel represents the number of importance levels.
  • the PDCP entity may deliver the data of importance level 1 in the first received data set (such as data burst 1) to the RLC entity associated with logical channel 1, deliver the data of importance level 2 in the first received data set (such as data burst 1) to the RLC entity associated with logical channel 2, deliver the data of importance level 1 in the second received data set (such as data burst 2) to the RLC entity associated with logical channel 5, and deliver the data of importance level 2 in the second received data set (such as data burst 2) to the RLC entity associated with logical channel 6.
  • the PDCP entity when the PDCP entity processes the acquired data set, it can not only deliver data sets of different importance levels to different logical channels/RLC entities, but also deliver data of different importance levels in the same data set to different logical channels/RLC entities. Different processing of different data sets or different data is achieved, thereby meeting the packet delay budget PDB requirements of the data set or data, reducing data transmission delay, and improving data transmission reliability.
  • the execution subject may execute some or all of the steps in the embodiments of the present application, and these steps or operations are only examples, and the embodiments of the present application may also execute other operations or variations of various operations.
  • the various steps may be executed in different orders presented in the embodiments of the present application, and it is possible that not all operations in the embodiments of the present application need to be executed.
  • each device includes a hardware structure and/or software module corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present application.
  • the embodiment of the present application can divide the functional modules of each device according to the above method example.
  • each functional module can be divided according to each function, or two or more functions can be integrated into one processing module.
  • the above integrated module can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiment of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation.
  • Figure 14 shows a communication device 140, which can execute the actions executed by the terminal device in Figures 10 to 13 above, or execute the actions executed by the network device in Figures 10 to 13 above.
  • the communication device 140 may include a transceiver module 1401 and a processing module 1402.
  • the communication device 140 may be a communication device, or a chip applied to a communication device, or other combined devices, components, etc. having the functions of the above-mentioned communication device.
  • the transceiver module 1401 may be a transceiver, and the transceiver may include an antenna and a radio frequency circuit, etc.
  • the processing module 1402 may be a processor (or a processing circuit), such as a baseband processor, and the baseband processor may include one or more CPUs.
  • the transceiver module 1401 may be a radio frequency unit; the processing module 1402 may be a processor (or a processing circuit), such as a baseband processor.
  • the transceiver module 1401 may be an input and output interface of a chip (such as a baseband chip); the processing module 1402 may be a processor (or a processing circuit) of the chip system, and may include one or more central processing units.
  • transceiver module 1401 in the embodiment of the present application can be implemented by a transceiver or a transceiver-related circuit component;
  • processing module 1402 can be implemented by a processor or a processor-related circuit component (or, referred to as a processing circuit).
  • the transceiver module 1401 in FIG14 may be replaced by a transceiver, which may integrate the functions of the transceiver module 1401; the processing module 1402 may be replaced by a processor, which may integrate the functions of the processing module 1402. Furthermore, the communication device 140 shown in FIG14 may also include a memory.
  • the communication device 140 involved in the embodiment of the present application may also be the communication device 150 shown in FIG15 , wherein the processor may be a logic circuit 1501 and the transceiver may be an interface circuit 1502. Further, the communication device 150 shown in FIG15 may also include a memory 1503.
  • the embodiments of the present application also provide a computer program product, which can implement the functions of any of the above method embodiments when executed by a computer.
  • the embodiments of the present application also provide a computer program, which can implement the functions of any of the above method embodiments when executed by a computer.
  • the embodiment of the present application also provides a computer-readable storage medium. All or part of the processes in the above method embodiments can be completed by a computer program to instruct the relevant hardware, and the program can be stored in the above computer-readable storage medium. When the program is executed, it can include the processes of the above method embodiments.
  • the computer-readable storage medium can be an internal storage unit of the terminal (including the data sending end and/or the data receiving end) of any of the above embodiments, such as the hard disk or memory of the terminal.
  • the above computer-readable storage medium can also be an external storage device of the above terminal, such as a plug-in hard disk equipped on the above terminal, a smart memory card (smart media card, SMC), a secure digital (secure digital, SD) card, a flash card (flash card), etc. Further, the above computer-readable storage medium can also include both the internal storage unit of the above terminal and an external storage device.
  • the above computer-readable storage medium is used to store the above computer program and other programs and data required by the above terminal.
  • the above computer-readable storage medium can also be used to temporarily store data that has been output or is to be output.
  • At least one (item) refers to one or more.
  • Multiple refers to two or more.
  • At least two (items) refers to two or three and more than three.
  • And/or is used to describe the association relationship of associated objects, indicating that three relationships can exist. For example, “A and/or B” can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural.
  • the character “/” generally indicates that the objects associated before and after are in an “or” relationship.
  • At least one of the following (items) or similar expressions refers to any combination of these items, including any combination of single (items) or plural (items).
  • At least one of a, b or c can mean: a, b, c, "a and b", “a and c", “b and c", or “a and b and c", where a, b, c can be single or multiple. "When” and “if” both mean that corresponding processing will be made under certain objective circumstances, not a time limit, and do not require judgment actions when implementing, nor do they mean that there are other restrictions.
  • words such as “exemplary” or “for example” are used to indicate examples, illustrations or descriptions. Any embodiment or design described as “exemplary” or “for example” in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as “exemplary” or “for example” is intended to present related concepts in a concrete way for easy understanding.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the modules or units is only a logical function division. There may be other division methods in actual implementation.
  • multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be It is an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place or distributed in multiple different places. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium.
  • the technical solution of the embodiment of the present application can essentially or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium, including several instructions to enable a device (which can be a single-chip microcomputer, chip, etc.) or a processor to perform all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage medium includes: various media that can store program codes, such as USB flash drives, mobile hard drives, ROM, RAM, magnetic disks or optical disks.

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Abstract

L'invention concerne un procédé et un appareil de communication, se rapportant au domaine technique des communications, et aptes à satisfaire une exigence de budget de retard de paquet (PDB) d'un ensemble de données, à réduire le temps de propagation de données, et à améliorer la fiabilité de transmission de données lorsqu'une entité de protocole de convergence de données par paquets (PDCP) d'un dispositif terminal soumet l'ensemble de données à une entité de commande de liaison radio (RLC). Le procédé peut comprendre les étapes suivantes : une première entité PDCP d'un dispositif terminal acquiert un ou plusieurs ensembles de données, et soumet l'ensemble de données à une entité RLC associée à l'ensemble de données, le dispositif terminal comprenant une pluralité d'entités PDCP, la pluralité d'entités PDCP comprenant la première entité PDCP, des entités PDCP différentes acquérant des ensembles de données de niveaux d'importance différents, la première entité PDCP étant associée à une pluralité d'entités RLC, et des ensembles de données différents étant associés à des entités RLC différentes.
PCT/CN2023/126197 2022-11-03 2023-10-24 Procédé et appareil de communication WO2024093729A1 (fr)

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LENOVO: "Discussion on PDU sets and data burst awareness in RAN", 3GPP DRAFT; R2-2209937, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. electronic; 20221010 - 20221019, 30 September 2022 (2022-09-30), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052263261 *
LINHAI HE, QUALCOMM INCORPORATED: "Discussion on PDU prioritization", 3GPP DRAFT; R2-2211178; TYPE DISCUSSION; FS_NR_XR_ENH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. 3GPP RAN 2, no. Toulouse, FR; 20221114 - 20221118, 4 November 2022 (2022-11-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052215290 *
NAVEEN PALLE, APPLE: "Views on QoS Mapping and PS Impacts", 3GPP DRAFT; R2-2300726; TYPE DISCUSSION; FS_NR_XR_ENH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. 3GPP RAN 2, no. Athens, GR; 20230227 - 20230303, 17 February 2023 (2023-02-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052245369 *
SU YI, FUJITSU: "Discussions on L2 structure of XR", 3GPP DRAFT; R2-2211848; TYPE DISCUSSION; FS_NR_XR_ENH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. 3GPP RAN 2, no. Toulouse, FR; 20221114 - 20221118, 4 November 2022 (2022-11-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052215941 *
YANHUA LI, XIAOMI COMMUNICATIONS: "Discussion on QoS support with PDU Set granularity", 3GPP DRAFT; R2-2211584; TYPE DISCUSSION, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. 3GPP RAN 2, no. Toulouse, FR; 20221114 - 20221118, 4 November 2022 (2022-11-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052215689 *

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