WO2023184553A1 - Procédé de communication sans fil, dispositif de réseau et dispositif terminal - Google Patents

Procédé de communication sans fil, dispositif de réseau et dispositif terminal Download PDF

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Publication number
WO2023184553A1
WO2023184553A1 PCT/CN2022/085159 CN2022085159W WO2023184553A1 WO 2023184553 A1 WO2023184553 A1 WO 2023184553A1 CN 2022085159 W CN2022085159 W CN 2022085159W WO 2023184553 A1 WO2023184553 A1 WO 2023184553A1
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Prior art keywords
information
transmission
delay
transmission direction
round
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PCT/CN2022/085159
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English (en)
Chinese (zh)
Inventor
付喆
王淑坤
石聪
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Oppo广东移动通信有限公司
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Priority to PCT/CN2022/085159 priority Critical patent/WO2023184553A1/fr
Publication of WO2023184553A1 publication Critical patent/WO2023184553A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]

Definitions

  • NEF Network Exposure Function
  • wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones.
  • the terminal device Before each logical channel priority (Logical Channel Prioritization, LCP) processing, the terminal device increases Bj by PBR*T, where T is the time interval from the last time Bj was increased to the current time;
  • the terminal device When the terminal device receives an uplink grant (UL grant) indicating a new transmission, the terminal device performs LCP processing according to the following steps:
  • Step 1 For all logical channels with Bj>0, resources are allocated in order from high to low priority.
  • the resources allocated to each logical channel can only meet the requirements of PBR, that is, according to the PBR token bucket corresponding to the logical channel The number of tokens in allocates resources to this logical channel.
  • PBR Packet Control Protocol
  • the PBR of a certain logical channel is set to infinity, only when the resources of this logical channel are satisfied, a logical channel with a lower priority than this logical channel will be considered.
  • the terminal device segments the RLC SDU in the logical channel, it should try to fill in the largest segment according to the size of the remaining resources;
  • Terminal equipment should maximize data transmission
  • the UE cannot only send a padding buffer status report (Buffer Status Report, BSR) or only padding.
  • BSR Buffer Status Report
  • the UE accesses the 5G network through the Uu interface, it establishes a QoS flow for data transmission under the control of the SMF entity.
  • the SMF entity provides the QoS flow configuration information of each QoS flow to the base station, including code rate requirements and delay requirements. , bit error rate requirements and other information.
  • the base station schedules wireless resources according to the QoS flow configuration information received from the SMF entity to ensure the QoS requirements of the QoS flow.
  • a QoS flow can transmit both the uplink data stream (the data stream sent by the UE to the peer device through the 5G network) and the downlink data stream (the data stream sent by the peer device to the UE through the 5G network).
  • the peer device may refer to the peer application server or the peer UE.
  • the delay requirements for the upstream and downstream data flows in a QoS flow are the same. If the upstream and downstream data flows of a certain service have different latency requirements, they will be transmitted through different QoS flows. The delay here refers to the data transmission delay between the UE and UPF.
  • AR augmented reality
  • VR virtual reality
  • cloud games artificial intelligence interactive services
  • AR augmented reality
  • VR virtual reality
  • AI interactive services more attention will be paid to the round-trip interaction between the UE and the peer device.
  • the total delay not the delay of individual upstream data flows or the delay of downstream data flows. Therefore, how to control latency to improve user experience is an issue that needs to be solved urgently.
  • Figure 3 is a schematic flow chart of a wireless communication method 200 according to an embodiment of the present application.
  • the method 200 can be executed by the network device in the communication system shown in Figure 1.
  • the method 200 includes the following content :
  • S210 The network device performs the target operation according to the first information, where the first information includes information about the total round-trip delay.
  • the network device may be an access network device, such as the AN or RAN device 102 in Figure 1, or it may be a core network device.
  • the core network device may be an SMF entity or
  • the UPF entity is, for example, executed by the SMF entity itself, or by the SMF entity instructing the UPF entity to execute, or by the UPF entity itself.
  • the first information includes but is not limited to at least one of the following:
  • each information included in the first information may be obtained through the same message or signaling, or may be obtained through different messages or signaling, which is not limited in this application.
  • the first information may include information directly related to the total round-trip delay, or may also include information indirectly related to the total round-trip delay.
  • the first information may include information based on the round-trip total delay. Information that determines the total delay.
  • the above information related to the target round-trip total delay information can be considered as information directly related to the total round-trip delay.
  • the above-mentioned information related to the transmission delay information of the first transmission direction can also be considered as information directly related to the total round-trip delay, or can also be indirectly related to the total round-trip delay, for example, according to the target total round-trip delay information. Definite information.
  • the above-mentioned configuration adjustment information and configuration selection information can be considered to be indirectly related to the total round-trip delay, for example, information determined based on the target round-trip total delay information.
  • the information related to the target round-trip total delay information may include at least one of the following:
  • Target round-trip total delay information object information corresponding to the target round-trip total delay information, data transmission sequence information corresponding to the target round-trip total delay information, and first indication information used to indicate the target round-trip total delay
  • the value of information is variable.
  • the information related to the transmission delay information of the first transmission direction may include at least one of the following:
  • Transmission delay information in the first transmission direction object information corresponding to the transmission delay information in the first transmission direction, and data or service direction information corresponding to the transmission delay information in the first transmission direction.
  • the method 200 further includes:
  • the network device obtains the first information.
  • the first information may be obtained from a first device.
  • the first device may include, but is not limited to, at least one of the following:
  • the core network device may be an AMF entity, or it may be a UPF entity, or it may be a PCF entity, an SMF entity, etc.
  • the application server may refer to a device on the network side.
  • the network control node may be a newly added functional entity, or may be an existing functional entity.
  • the network control node may control the network device to control the transmission delay according to the first information.
  • the information related to the target round-trip total delay information may be obtained from the core network device.
  • the information related to the transmission delay information in the first transmission direction may be obtained from the core network device or the terminal device.
  • the configuration adjustment or selection information may be obtained from the terminal device.
  • the configuration adjustment or selection information may also include recommended (or suggested) configuration information of the terminal device.
  • the network device may indicate to the terminal device that it agrees with the suggested configuration information.
  • the terminal device may perform data transmission based on the configuration adjustment or selection information sent by itself.
  • the network device can adjust the configuration information recommended by the terminal device, and further configure the adjusted configuration information for the terminal device.
  • the terminal device may perform data transmission based on the adjusted configuration information indicated by the network device.
  • the embodiment of the present application does not limit the method of obtaining the first information.
  • the first information is obtained by the network device from the first device in one of the following ways:
  • Periodic acquisition non-periodic acquisition, and event-triggered acquisition.
  • the first information may be sent by the first device to the network device autonomously, or may be sent based on a request from the network device. For example, when the first device determines to change the round-trip total delay information, the first device sends the first information to the network device.
  • the target round-trip total delay information may be the round-trip total delay information used for current delay control, or the round-trip total delay information used for transmission delay control of data to be transmitted. .
  • the target round-trip total delay information may be the round-trip delay requirement between the terminal device and the N6 port of the UPF.
  • the network device can control the round-trip delay between the terminal device and the N6 port of the UPF within the target total round-trip delay information by performing target operations.
  • the target round-trip total delay information may refer to the total transmission delay of uplink data transmission and downlink data transmission.
  • the network device can control the total transmission delay of uplink data transmission and downlink data transmission within the target round-trip total delay information by performing target operations.
  • the target round-trip total delay information may refer to the total transmission delay of associated uplink data transmission and downlink data transmission.
  • the network device can control the total transmission delay of associated uplink data transmission and downlink data transmission within the target round-trip total delay information by performing a target operation.
  • the target round-trip total delay information may refer to the round-trip delay requirement between the terminal device and the AF or AP.
  • the network device can control the round-trip delay between the terminal device and the AF or AP within the target round-trip total delay information by performing target operations.
  • the AP may refer to an application protocol (application protocol, AP) or an access point (access point, AP).
  • application protocol application protocol
  • access point access point
  • the target round-trip total delay information may refer to the total transmission delay of uplink services and downlink services.
  • the network device can control the total transmission delay of uplink and downlink services within the target round-trip total delay information by performing target operations.
  • the total transmission delay of the uplink service and the downlink service may include the transmission delay of the uplink service and the transmission delay of the downlink service.
  • the target round-trip total delay information may refer to the total transmission delay of associated uplink services and downlink services.
  • the network device can control the total transmission delay of associated uplink services and downlink services within the target round-trip total delay information by performing target operations.
  • the total transmission delay of the associated uplink service and the downlink service may include the transmission delay of the associated uplink service and the transmission delay of the associated downlink service.
  • the target round-trip total delay information is an upper limit of the total round-trip delay.
  • the target round-trip total delay information is a value between an upper limit value and a lower limit value of the total round-trip delay.
  • the lower limit of the total round-trip delay is determined based on the service characteristics of the service to be transmitted and/or the processing capabilities of the application server or codec corresponding to the service to be transmitted.
  • target round-trip total delay information For example, for services to be transmitted that have higher latency requirements, smaller target round-trip total delay information may be corresponding, and for to-be-transmitted services with lower latency requirements, larger target round-trip total delay information may be corresponded to.
  • a server or codec with strong processing power can correspond to smaller total target round-trip delay information
  • a server or codec with weak processing power can correspond to larger target round-trip total delay information.
  • the target round-trip total delay information applies to a specific object, or corresponds to a specific object.
  • the target round-trip total delay information may not distinguish between objects. For example, when receiving Network devices with target round-trip delay information use the same target round-trip delay information for all uplink and downlink transmissions.
  • the object information corresponding to the target round-trip total delay information is used to indicate at least one of the following objects:
  • Logical Channel LCH
  • Data Radio Bearer DRB
  • UE User Equipment
  • the target round-trip total delay information can be LCH level, DRB level, UE level, cell level, QoS flow level, PDU session level, stream level, data level, and PDU set level. Yes, packet level.
  • the target round-trip total delay information is indicated for at least one of LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set and packet.
  • the target round-trip total delay information may be indicated according to at least one of LCH granularity, DRB granularity, UE granularity, cell granularity, QoS flow granularity, PDU session granularity, stream granularity, data granularity, PDU set granularity and packet granularity.
  • the object information corresponding to the target round-trip total delay information corresponds to the uplink transmission direction and the downlink transmission direction.
  • the object information corresponding to the target round-trip total delay information may include object information corresponding to the target round-trip total delay information in the uplink transmission direction and object information corresponding to the target round-trip total delay information in the downlink transmission direction.
  • the object information corresponding to the target round-trip total delay information in the uplink transmission direction and the object information corresponding to the target round-trip total delay information in the downlink transmission direction may be the same, or may be different.
  • the object information corresponding to the target round-trip total delay information may include LCH, and the logical channel identifiers corresponding to the target round-trip total delay information in the uplink transmission direction and the downlink transmission direction may be the same, or may be different.
  • the object information corresponding to the target round-trip total delay information may include DRBs, and the DRB identifiers corresponding to the target round-trip total delay information in the uplink transmission direction and the downlink transmission direction may be the same, or may be different.
  • the object information corresponding to the target round-trip total delay information may include QoS flow, and the QoS flow identifiers corresponding to the target round-trip total delay information in the uplink transmission direction and the downlink transmission direction may be the same, or they may be different.
  • the object information corresponding to the target round-trip delay information includes an object identifier, it means that the object corresponding to the target round-trip delay information in the uplink transmission direction and the The above target round-trip total delay information corresponds to the same objects in the downlink transmission direction.
  • the object information corresponding to the target round-trip delay information includes two object identifiers, it means that the object corresponding to the target round-trip delay information in the uplink transmission direction and the The target round-trip total delay information corresponds to different objects in the downlink transmission direction.
  • the target round-trip total delay information may correspond to two end-to-end nodes or applications.
  • the target round-trip total delay information is for each object.
  • the target round-trip total delay information can be for all data packets or PDU sets of each object.
  • the target round-trip total delay information is for each data packet or PDU set of each object.
  • different data packets or PDU sets of objects to which the target round-trip delay information is applied may correspond to different target round-trip delay information, or may correspond to the same target round-trip total delay information.
  • the PDU set of each object may correspond to one or a kind of application or encoding stream or frame or encoding slice, etc.
  • the target round-trip total delay information is for the PDU in each object.
  • different PDUs of objects to which the target round-trip total delay information is applied may correspond to different target round-trip total delay information, or may correspond to the same target round-trip total delay information.
  • the AS PDU may include at least one of the following:
  • Packet Data Convergence Protocol PDU
  • SDAP PDU Packet Data Convergence Protocol
  • RLC PDU Radio Link Control Protocol
  • MAC PDU Packet Data Convergence Protocol
  • SDU such as AS PDU
  • AS PDU which can include at least one of the following:
  • PDCP SDU PDCP SDU, SDAP SDU, RLC SDU, MAC SDU.
  • a PDU set consists of one or more PDUs that carry a unit of information generated at the application layer (e.g., a frame of an Extended Reality and Media (XR) and media (XRM) service or video clips), which have the same importance requirements at the application layer.
  • the application layer requires all PDUs in the PDU set to use the corresponding information unit. In some cases, when some PDUs are lost, the application layer can still recover some information units.
  • the data transmission sequence information corresponding to the target round-trip total delay information includes at least one of the following:
  • the network device obtains the first information, including:
  • the second indication information is used to indicate the logical channel, DRB, terminal device, cell, QoS flow, PDU session, flow associated with the target round-trip total delay information. , at least one of data, PDU set and data packet.
  • the first device may indicate the target round-trip total delay information and the object to which the target round-trip total delay information applies.
  • the network device obtains the first information, including:
  • the first device may indicate object information and target round-trip total delay information used for the object information.
  • the embodiment of the present application does not limit the method of obtaining the first delay adjustment amount.
  • the first delay adjustment amount is obtained by the network device from the first delay adjustment amount in one of the following ways. Obtained by one device:
  • the transmission delay information in the first transmission direction may be the round-trip delay requirement in the first transmission direction between the terminal device and the N6 port of the UPF.
  • the network device can control the transmission delay in the first transmission direction between the terminal device and the N6 port of the UPF within the transmission delay information in the first transmission direction by performing a target operation.
  • the transmission delay information in the first transmission direction is the delay requirement in the first transmission direction between the terminal device and the AF or AP.
  • the network device may control the transmission delay in the first transmission direction between the terminal device and the AF or AP within the transmission delay information in the first transmission direction by performing a target operation.
  • the transmission delay information in the first transmission direction is an upper limit of transmission delay.
  • the transmission delay information in the first transmission direction is a value between an upper limit of transmission delay and a lower limit of transmission delay.
  • the upper limit value of the transmission delay may be a configurable maximum value of the transmission delay.
  • the lower limit value of the transmission delay may be a configurable minimum value of the transmission delay.
  • the upper limit of the transmission delay is determined based on the service characteristics of the service to be transmitted and/or the processing capabilities of the application server or codec corresponding to the service to be transmitted.
  • the lower limit value of the transmission delay is determined based on the service characteristics of the service to be transmitted and/or the processing capabilities of the application server or codec corresponding to the service to be transmitted.
  • the transmission delay information of the first transmission direction is obtained based on multiple transmission delay information.
  • the transmission delay information in the first transmission direction is for each data packet or PDU set of each object.
  • different data packets or PDU sets to which the transmission delay information in the first transmission direction is applied may correspond to different transmission delay information in the first transmission direction, or may correspond to the same first transmission.
  • Directional transmission delay information may correspond to different transmission delay information in the first transmission direction, or may correspond to the same first transmission.
  • the PDU set of each object may correspond to one or a kind of application or encoding stream or frame or encoding slice, etc.
  • different PDUs to which the transmission delay information in the first transmission direction is applied may correspond to different transmission delay information in the first transmission direction, or may correspond to the same transmission time in the first transmission direction. delay information.
  • the PDU in each object may be an application layer PDU, or AS PDU.
  • the first device may indicate the transmission delay information of the first transmission direction and the object to which the transmission delay information of the first transmission direction applies.
  • the object identifier and second association indication information where the second association indication information is used to indicate transmission delay information in the first transmission direction corresponding to the object identified by the object identifier.
  • the first device may indicate the object information and the transmission delay information of the first transmission direction used for the object information.
  • the transmission delay information in the first transmission direction is determined based on the first transmission delay information and the second delay adjustment amount, and the second delay adjustment amount is the third delay adjustment amount.
  • the first transmission delay information is predefined.
  • the first transmission delay information is the most recently obtained transmission delay information in the first transmission direction.
  • the first transmission delay information may be considered as the transmission delay information of the first transmission direction used by the network device last time.
  • the first device indicates the transmission delay information of the first transmission direction to the network device
  • the transmission delay information of the first transmission direction needs to be changed subsequently
  • the delay adjustment amount of the transmission delay information relative to the transmission delay information of the first transmission direction used last time is sufficient.
  • the second delay adjustment amount is obtained from the first device.
  • the embodiment of the present application does not limit the method of obtaining the first delay adjustment amount.
  • the second delay adjustment amount is obtained by the network device from the first delay adjustment amount in one of the following ways. Obtained by one device:
  • Periodic acquisition non-periodic acquisition, and event-triggered acquisition.
  • the transmission delay information in the first transmission direction may be obtained by the network device from the first device, or may be determined by the network device based on information related to the total round-trip delay to the target,
  • the method for determining the transmission delay information in the first transmission direction is described below, but the present application is not limited thereto.
  • the network device may determine the transmission delay information of the first transmission direction based on the transmission delay information of the second transmission direction and the target round-trip total delay information.
  • the difference between the target round-trip total delay information and the transmission delay information in the second transmission direction is used as the transmission delay information in the first transmission direction.
  • the transmission delay information of the first transmission direction is determined based on the transmission delay information of the second transmission direction and the target round-trip total delay information
  • the transmission delay information of the second transmission direction are for the same object in the second transmission direction, for example, for the same QoS flow, or for the same data packet or PDU set of the same object, or for PDUs in the same object.
  • the first transmission direction is a transmission direction corresponding to the data to be transmitted, or a transmission direction in which the data transmission sequence is later.
  • the second transmission direction may be a transmission direction corresponding to data that has been transmitted, or a transmission direction in which the data transmission sequence is earlier.
  • the transmission direction with the later data transmission sequence may refer to the transmission direction with the later transmission sequence in an associated uplink and downlink transmission
  • the transmission direction with the previous data transmission sequence may refer to an associated transmission direction.
  • the transmission direction with the first transmission order in uplink and downlink transmission may refer to the transmission direction with the first transmission order in uplink and downlink transmission.
  • the second transmission direction may be the same as the first transmission direction, for example, it may be determined based on historical transmission delay information of the first transmission direction (for example, based on an average or statistical determination of one or more transmitted data) The currently available transmission delay information in the first transmission direction.
  • the first transmission direction is a transmission direction in which the data transmission sequence is later
  • the second transmission direction may also be a transmission direction in which the data transmission sequence is later.
  • the transmission delay information of the first transmission direction may be determined based on the delay of the previous or multiple transmission delay information of the second transmission direction.
  • the transmission delay information of the first transmission direction is also called remaining transmission delay information, remaining delay information, and the second transmission direction is called used transmission delay information, or used delay information. information.
  • the transmission delay information of the second transmission direction is determined based on the data packets in the second transmission direction.
  • the data packet in the second transmission direction includes indication information
  • the indication information is used to indicate the transmission delay information in the second transmission direction, or the data packet carries a timestamp
  • the network The device can determine the transmission delay information in the second transmission direction based on the timestamp carried in the data packet.
  • the transmission delay information in the second transmission direction may be determined based on the transmission delay information occupied by the transmitted data packets in the second transmission direction, or may also be determined based on the data packets that have not been transmitted but the data transmission sequence is in It is obtained by estimating the transmission delay occupied by the previous data packet.
  • the transmitted data packet in the second transmission direction may be the transmitted data packet associated with the data packet to be transmitted later in the data transmission sequence in the first transmission direction, or it may also be the second transmission data packet.
  • the transmission delay information of the second transmission direction can be obtained by averaging or statistically processing multiple recently transmitted data packets in the object.
  • the first data packet is a data packet associated with the first transmission direction in the second transmission direction.
  • the first data packet is a transmitted data packet in the second transmission direction, or the first data packet is a data packet with a previous data transmission sequence.
  • the plurality of data packets are transmitted data packets in the second transmission direction.
  • the plurality of data packets are data packets with a later data transmission sequence.
  • the transmission delay information in the second transmission direction may be obtained based on L2 measurements.
  • the transmission delay information in the second transmission direction is notified to the network device by other devices.
  • the transmission delay information in the second transmission direction may be notified to the network device by application layer equipment, core network equipment, or terminal equipment.
  • the mapping configuration may be related to round-trip total delay information or transmission delay information in the first transmission direction.
  • the parameter configuration may include at least one of the following:
  • the adjustment information of the parameter configuration may include adjustment information of the RRC parameter configuration, such as the adjusted RRC parameter configuration and the adjustment amount of the RRC parameter configuration.
  • Selection information for resource configuration selection information for parameter configuration, and selection information for mapping configuration.
  • the resource configuration selection information may include selecting to use at least one CG resource and/or selecting not to use a CG resource.
  • the parameter configuration selection information may include the selected RRC parameter configuration.
  • the selection information of the parameter configuration may include at least one of the following:
  • the selection information of the mapping configuration may refer to the mapping configuration selected to be used.
  • the first device may indicate the round-trip total delay related information to the network device, or may also indicate to the network device the adjustment or selection information of the configuration determined based on the round-trip total delay related information.
  • the method 200 further includes:
  • the network device sends at least one candidate mapping configuration to the terminal device.
  • the at least one candidate mapping configuration may be configured through any downlink information or downlink signaling. This application does not limit this.
  • the at least one candidate mapping configuration is configured through RRC signaling.
  • the RRC signaling may include at least one of the following signaling:
  • RRC reconfiguration message DRB configuration (DRB config), CG configuration (CG config), SPS configuration (SPS config), logical channel configuration (LCH-config), PDCP configuration (PDCP-config).
  • DRB configuration DRB configuration
  • CG config CG configuration
  • SPS config SPS configuration
  • LCH-config logical channel configuration
  • PDCP configuration PDCP-config
  • the network device may use dynamic signaling (such as Media Access Control Element (MAC CE) or Downlink Control Information (DCI)) to indicate the at least one The target mapping configuration in the candidate mapping configuration, or in other words, the active mapping configuration.
  • dynamic signaling such as Media Access Control Element (MAC CE) or Downlink Control Information (DCI)
  • the at least one candidate mapping configuration respectively corresponds to different round-trip total delay information.
  • the at least one candidate mapping configuration respectively corresponds to the transmission delay information of different first transmission directions.
  • the at least one candidate mapping configuration is for at least one object, and the total round-trip delay information corresponding to the at least one object is variable.
  • the at least one candidate mapping configuration is for at least one object, and the transmission delay information of the first transmission direction corresponding to the at least one object is variable.
  • the candidate mapping configuration includes candidate resource configuration and/or candidate parameter configuration.
  • the candidate resource configuration includes at least one CG configuration and/or at least one SPS configuration.
  • the candidate parameter configuration includes at least one of the following:
  • each set of LCH configurations may include at least one of the following parameters:
  • the candidate mapping configuration is configured for at least one of the following objects:
  • LCH LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set, packet.
  • the candidate mapping configuration can be LCH level, DRB level, UE level, cell level, QoS flow level, PDU session level, stream level, data level, PDU set level, or packet level. of.
  • the candidate mapping configuration is configured for at least one of LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set and packet.
  • the candidate mapping configuration may be indicated according to at least one of LCH granularity, DRB granularity, terminal device granularity, cell granularity, QoS flow granularity, PDU session granularity, stream granularity, data granularity, PDU set granularity and packet granularity.
  • the at least one candidate mapping configuration includes a first candidate mapping configuration.
  • the first candidate mapping configuration may be predefined.
  • the terminal device when the terminal device receives the at least one candidate mapping configuration, the first candidate mapping configuration is used for transmission.
  • the terminal device if the terminal device does not receive the indication information indicating the target mapping configuration sent by the network device, the first candidate mapping configuration is used for transmission.
  • transmission is performed using the first candidate mapping configuration after a first period of time using the target mapping configuration indicated by the network device.
  • the first duration is predefined, or indicated by the network device, or determined by the terminal device.
  • the execution target operation includes at least one of the following operations:
  • the execution target operation includes at least one of the following operations:
  • the network device can ensure that the data to be transmitted is transmitted as quickly as possible by performing dynamic scheduling as soon as possible or configuring resources with shorter delay.
  • performing the target operation includes: performing dynamic scheduling.
  • the execution of dynamic scheduling includes:
  • the transmission delay in the first transmission direction is less than the first threshold, or the transmission delay in the first transmission direction is less than 1/M of the target round-trip total delay information, or the transmission delay in the first transmission direction is less than the PDB
  • dynamic scheduling is performed according to the first method, and M is a positive integer greater than 1; or
  • the transmission delay in the first transmission direction is not less than the first threshold, or the transmission delay in the first transmission direction is not less than 1/M of the target round-trip total delay information, or the first transmission
  • the transmission delay in the direction is not less than PDB, dynamic scheduling is performed according to the second method, and the M is a positive integer greater than 1;
  • the transmission delay reserved for the Uu interface when scheduled according to the first method is less than the transmission delay reserved for the Uu interface when scheduled according to the second method;
  • the transmission delay reserved for the Uu interface when scheduled according to the first method is less than the second threshold, and the transmission delay reserved for the Uu interface when scheduled according to the second method is not less than the second threshold; or,
  • the transmission delay reserved for the Uu interface according to the first method and the transmission delay reserved for the Uu interface according to the second method are the lower limit and the upper limit of the Uu interface transmission delay respectively.
  • an appropriate scheduling method is used to schedule data transmission, which is beneficial to ensuring the total round-trip delay requirement.
  • the first threshold includes the transmission delay of the Uu interface and the one-way transmission delay from the access network side to the core network side.
  • M is 2.
  • the PDB may include a PDB on the access network side (AN-PDB) and/or a PDB on the core network side (CN-PDB).
  • AN-PDB access network side
  • CN-PDB core network side
  • the network device when the remaining transmission delay is short, the network device can perform dynamic scheduling as soon as possible, or when the remaining transmission delay is long, the network device can perform loose dynamic scheduling.
  • the execution of the target operation includes: configuring or adjusting preconfigured resources.
  • configuring or adjusting resource configuration includes configuring or adjusting preconfigured resources.
  • configuring or adjusting preconfigured resources includes:
  • the first delay is smaller than the second delay.
  • the logical channel LCH parameters include at least one of the following:
  • Logical channel priority LCH mapping restrictions, token bucket size, priority bit rate.
  • the network device may adjust the LCH configuration, adjust the LCH parameters or adjust the DRB configuration according to the target round-trip total delay information or the transmission delay information in the first transmission direction.
  • the execution target operation includes:
  • the failure to meet transmission delay requirements includes at least one of the following:
  • the transmission delay in the first transmission direction is not greater than the minimum transmission delay
  • the transmission delay in the first transmission direction is not greater than the minimum one-way transmission delay of the core network
  • the transmission delay in the first transmission direction is not greater than the waiting time of the resource corresponding to the data to be transmitted;
  • the transmission delay in the first transmission direction is not greater than the processing time of the data packet.
  • the minimum value of the transmission delay may include the minimum value of the one-way transmission delay of the air interface and the minimum value of the one-way transmission delay of the core network.
  • the processing duration of the data packet may include at least one of the following:
  • the network device performs a target operation based on the first information, including:
  • the network device may further determine the target mapping configuration in the at least one candidate mapping configuration in combination with the first mapping relationship.
  • the network device performs a target operation based on the first information, including:
  • the network device determines a target mapping configuration based on the transmission delay information in the first transmission direction and/or a second mapping relationship, where the second mapping relationship is the transmission delay information in the first transmission direction and the mapping configuration. mapping relationship.
  • the network device may further combine the The second mapping relationship determines the target mapping configuration among the aforementioned at least one candidate mapping configuration.
  • the method 200 further includes:
  • the network device sends fifth indication information to the terminal device, where the fifth indication information is used to indicate the target mapping configuration.
  • the fifth indication information is sent through at least one of the following signaling:
  • RRC signaling media access control control element MAC CE, downlink control information DCI.
  • the RRC signaling may include at least one of the following signaling:
  • the network device performs target operations based on the first information, including:
  • the third mapping relationship is a mapping relationship between target round-trip total delay information and resource configuration and/or parameter configuration.
  • the network device may further determine the target resource configuration and/or target parameter configuration in combination with the third mapping relationship.
  • Select resource configuration adjust resource configuration, select parameter configuration, adjust parameter configuration, select target mapping configuration, perform scheduling, and process data packets.
  • LCH LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set, packet.
  • the eighth indication information is directed to at least one of LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set and packet.
  • the RRC signaling may include at least one of the following signaling:
  • RRC reconfiguration message DRB configuration (DRB config), CG configuration (CG config), SPS configuration (SPS config), logical channel configuration (LCH-config), PDCP configuration (PDCP-config).
  • DRB configuration DRB configuration
  • CG config CG configuration
  • SPS config SPS configuration
  • LCH-config logical channel configuration
  • PDCP configuration PDCP-config
  • the network device performs target operations based on the first information, including:
  • the network device may further use the first information according to the eighth instruction information of the first device, and/or perform a target operation according to the first information.
  • the network device that receives the eighth indication information can use all the acquired first information, and/or, based on all the acquired first information Perform the target operation.
  • the network device may use (or activate) information related to the total round-trip delay on the specific object, and/or based on the total round-trip time on the specific object. Perform target operations based on relevant information.
  • the method 200 further includes:
  • the network device sends second information to the terminal device, where the second information includes information about the total round-trip delay.
  • sending the second information by the network device to the terminal device may also be included in the target operation.
  • the information related to the remaining transmission delay may include at least one of the following: transmission delay information in the first transmission direction, object information corresponding to the transmission delay information in the first transmission direction, transmission in the first transmission direction.
  • the data or service direction information corresponding to the delay information may include at least one of the following: transmission delay information in the first transmission direction, object information corresponding to the transmission delay information in the first transmission direction, transmission in the first transmission direction.
  • Transmission delay information in the second transmission direction object information corresponding to the transmission delay information in the second transmission direction, and data or service direction information corresponding to the transmission delay information in the second transmission direction.
  • the configured adjustment information or selection information in the second information may be determined by the network device based on the target round-trip total delay-related information or remaining transmission delay-related information in the first information.
  • the RRC signaling may include at least one of the following signaling:
  • RRC reconfiguration message DRB configuration (DRB config), CG configuration (CG config), SPS configuration (SPS config), logical channel configuration (LCH-config), PDCP configuration (PDCP-config).
  • DRB configuration DRB configuration
  • CG config CG configuration
  • SPS config SPS configuration
  • LCH-config logical channel configuration
  • PDCP configuration PDCP-config
  • the method 200 further includes:
  • the network device sends seventh instruction information to the terminal device, where the seventh instruction information is used to instruct the terminal device to use the second information and/or to perform or activate a target operation corresponding to the second information.
  • the seventh instruction information is used to instruct to use the second information, or to use the second information to perform at least one of the following operations:
  • the seventh indication information may not distinguish objects.
  • the terminal device that receives the seventh indication information may use all the second information that has been acquired, and/or, based on all the acquired second information, The second information performs the target operation.
  • the seventh instruction information may also be directed to a specific object.
  • the seventh instruction information may be used to instruct using (or activating) the second information on the specific object to perform the target operation.
  • the object information corresponding to the seventh indication information may include at least one of the following.
  • LCH LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set, packet.
  • the seventh indication information is directed to at least one of LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set and packet.
  • the seventh indication information is sent through at least one of the following signaling:
  • the RRC signaling may include at least one of the following signaling:
  • RRC reconfiguration message DRB configuration (DRB config), CG configuration (CG config), SPS configuration (SPS config), logical channel configuration (LCH-config), PDCP configuration (PDCP-config).
  • DRB configuration DRB configuration
  • CG config CG configuration
  • SPS config SPS configuration
  • LCH-config logical channel configuration
  • PDCP configuration PDCP-config
  • the terminal device may use the second information according to the seventh instruction information, and/or perform a target operation according to the second information.
  • the terminal device that receives the seventh indication information can use all the acquired second information, and/or, based on all the acquired second information Perform the target action.
  • the terminal device can use (or activate) the second information on the specific object, and/or perform the target operation according to the second information on the specific object.
  • the network device can schedule or configure the terminal device based on the round-trip total delay related information, or process the data packets, etc., which is beneficial to ensuring the round-trip total delay requirement and improving the user experience.
  • the network device can perform scheduling or configuration or data packet processing based on information related to the remaining transmission delay.
  • the above-mentioned configuration adjustment information and configuration selection information can be considered to be indirectly related to the total round-trip delay, for example, information determined based on the target round-trip total delay information.
  • the terminal device determines the information related to the transmission delay in the first transmission direction based on the information directly related to the total round-trip delay, and/or selects the configuration. Or adjust the information and further report the above information to the network device.
  • the terminal device determines to select or adjust the configuration based on the information directly related to the total round-trip delay, and further performs transmission based on the selected or adjusted configuration.
  • the terminal device transmits according to the configuration selection or adjustment information.
  • the embodiment of the present application does not limit the method of obtaining the second information.
  • the second information is obtained by the terminal device from the network device in one of the following ways:
  • Periodic acquisition non-periodic acquisition, and event-triggered acquisition.
  • the RRC signaling may include at least one of the following signaling:
  • RRC reconfiguration message DRB configuration (DRB config), CG configuration (CG config), SPS configuration (SPS config), logical channel configuration (LCH-config), PDCP configuration (PDCP-config).
  • DRB configuration DRB configuration
  • CG config CG configuration
  • SPS config SPS configuration
  • LCH-config logical channel configuration
  • PDCP configuration PDCP-config
  • the terminal device obtains the second information, including:
  • the terminal device may use at least one of RRC signaling, MAC CE, and UCI information to report the third information to the network device. That is, the third information can be carried in at least one of RRC signaling, MAC CE, and UCI information.
  • the transmission delay information in the second transmission direction is determined based on the data packets in the second transmission direction.
  • the transmission delay information in the second transmission direction may be determined based on the transmission delay information occupied by the transmitted data packets in the second transmission direction, or may also be determined based on the data packets that have not been transmitted but the data transmission sequence is in It is obtained by estimating the transmission delay occupied by the previous data packet.
  • the terminal device performs a target operation based on the second information, including:
  • the terminal device determines a target mapping configuration in the at least one candidate mapping configuration according to the second information.
  • the terminal device determines a target mapping configuration in the at least one candidate mapping configuration according to the second information.
  • the terminal device may determine the target mapping configuration based on the target round-trip total delay related information and the fifth mapping relationship, where the fifth mapping relationship is the corresponding relationship between the target round-trip total delay information and the mapping configuration.
  • the terminal device may determine the target mapping configuration based on the transmission delay information in the first transmission direction and a sixth mapping relationship, where the sixth mapping relationship is the transmission delay information in the first transmission direction and the mapping configuration. corresponding relationship.
  • the transmission delay in the first transmission direction is not greater than the minimum one-way transmission delay of the core network
  • the terminal device can discard or delete the data packet.
  • Transmission is performed according to the configured adjustment or selection information in the second information.
  • the terminal device may transmit according to the configuration adjustment or selection information indicated by the network device.
  • the configuration selection or adjustment based on the second information includes:
  • the terminal device can select or adjust the configuration on its own based on information related to the total target round-trip delay, information related to the remaining transmission delay, or information related to the used transmission delay.
  • information related to the total target round-trip delay information related to the remaining transmission delay
  • information related to the used transmission delay information related to the used transmission delay.
  • the terminal device transmits according to a self-selected or adjusted configuration.
  • the terminal device performs a target operation according to the second information, including:
  • the terminal device determines the target operation according to the second information and a fourth mapping relationship, where the fourth mapping relationship is a mapping relationship between different second information and operations, or the fourth mapping relationship may also be is the mapping relationship between the second information and the configuration.
  • the fourth mapping relationship may be a mapping relationship between target round-trip total delay information and configuration (such as mapping configuration, or resource configuration, or parameter configuration). For example, different values of total target round-trip delay information correspond to different configurations.
  • the fourth mapping relationship may be a mapping relationship between transmission delay information and configuration (such as mapping configuration, resource configuration, or parameter configuration) in the first transmission direction.
  • configuration such as mapping configuration, resource configuration, or parameter configuration
  • different values of transmission delay information in the first transmission direction correspond to different configurations.
  • the fourth mapping relationship may be a mapping relationship between transmission delay information and operations in the first transmission direction.
  • different values of transmission delay information in the first transmission direction correspond to different operations, such as selecting target mapping configuration, adjusting parameter configuration, adjusting resource configuration, reporting third information to the network device, etc.
  • the method 300 further includes:
  • Receive seventh instruction information sent by the network device where the seventh instruction information is used to instruct the terminal device to use the second information and/or to perform or activate a corresponding target operation of the second information.
  • the seventh instruction information is used to instruct to use the second information, or to use the second information to perform at least one of the following operations:
  • the seventh indication information may not distinguish objects.
  • the terminal device that receives the seventh indication information may use all the second information that has been acquired, and/or, based on all the acquired second information, The second information performs the target operation.
  • the seventh instruction information may also be directed to a specific object.
  • the seventh instruction information may be used to instruct using (or activating) the second information on the specific object to perform the target operation.
  • the object information corresponding to the seventh indication information may include at least one of the following.
  • LCH LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set, packet.
  • the seventh indication information is directed to at least one of LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set and packet.
  • the seventh indication information is sent through at least one of the following signaling:
  • the terminal device may use the second information according to the seventh instruction information, and/or perform a target operation according to the second information.
  • the terminal device may further use the second information according to the seventh instruction information of the network device, and/or perform a target operation according to the second information.
  • the terminal device that receives the seventh indication information can use all the acquired second information, and/or, based on all the acquired second information Perform the target action.
  • the terminal device can use (or activate) the second information on the specific object, and/or perform the target operation according to the second information on the specific object.
  • the terminal device can process data packets and select or adjust the configuration based on the information related to the total round-trip delay, or report the remaining transmission delay related information, selection or adjustment to the network device.
  • Configuration, or adjusting or selecting information for transmission according to the configuration indicated by the network device, etc. will help ensure the total round-trip delay requirements and improve user experience.
  • the terminal device may process the data packet based on information related to the target total round-trip delay or information related to the transmission delay in the first transmission direction, such as discarding or deleting the packet.
  • the terminal device can report the remaining transmission delay related information, self-adjusted configuration or self-selected configuration to the network device based on the target total round-trip delay related information.
  • the terminal device may transmit according to the configuration selection or adjustment information indicated by the network device.
  • the wireless communication method of the embodiment of the present application is described from the perspectives of network equipment and terminal equipment respectively.
  • the network equipment is used as the base station, and the first device is the core network.
  • the wireless communication method according to the embodiment of the present application is described from the perspective of device interaction, but the application is not limited thereto.
  • the method may include at least some of the following steps:
  • the base station obtains the first information.
  • the base station obtains the first information from the core network equipment.
  • the core network device may be an SMF entity or a UPF entity.
  • the first information may include target round-trip total delay information.
  • the first information may also include object information corresponding to the target round-trip total delay information.
  • the object information corresponding to the target round-trip total delay information is used to indicate at least one of the following objects:
  • Logical Channel LCH
  • Data Radio Bearer DRB
  • UE User Equipment
  • the target round-trip total delay information may be indicated for at least one of LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set and packet.
  • the target round-trip total delay information may correspond to two end-to-end nodes or applications.
  • the base station obtains the first information, including:
  • the second indication information is used to indicate the logical channel, DRB, terminal device, cell, QoS flow, PDU session, flow associated with the target round-trip total delay information. , at least one of data, PDU set and data packet.
  • the core network device may indicate the target round-trip total delay information and the object to which the target round-trip total delay information is applied.
  • the base station obtains the first information, including:
  • the object identifier and third indication information where the third indication information is used to indicate the target round-trip total delay information corresponding to the object identified by the object identifier.
  • the core network device may indicate object information and target round-trip total delay information used for the object information.
  • the base station may also indicate the target round-trip total delay information and/or the object information corresponding to the target round-trip total delay information to the UE.
  • the base station may indicate the target round-trip total delay information and the third association indication information to the UE.
  • the third association indication information is used to indicate the logical channel, DRB, terminal equipment, cell, QoS associated with the target round-trip total delay information. At least one of flow, PDU session, flow, data, PDU set and data packet.
  • the base station may indicate to the UE the target round-trip total delay information and the objects to which the target round-trip total delay information applies.
  • the base station may indicate the object identifier and fourth association indication information to the UE, where the fourth association indication information is used to indicate the target round-trip total delay information corresponding to the object identified by the object identifier.
  • the base station may indicate the object information and the target round-trip total delay information used for the object information to the UE.
  • the first information may include first indication information, used to indicate that the target round-trip total delay information is variable.
  • the target round-trip total delay information may be real-time.
  • the target round-trip total delay information is for each object.
  • the target round-trip total delay information is for each data packet or PDU set of each object.
  • the target round-trip total delay information is for the PDU in each object.
  • the target round-trip total delay information is an upper limit of the total round-trip delay.
  • the target round-trip total delay information is a value between an upper limit value and a lower limit value of the total round-trip delay.
  • the target round-trip total delay information is obtained based on multiple round-trip total delay information.
  • the target round-trip total delay information is determined based on the service characteristics of the service to be transmitted and/or the processing capabilities of the application server or codec corresponding to the service to be transmitted.
  • the plurality of round-trip total delay information is the round-trip total delay information occupied by transmitted data.
  • the target round-trip total delay information may be obtained by averaging or counting the plurality of round-trip total delay information.
  • the first information may also include data transmission sequence information corresponding to the target round-trip total delay information.
  • the data transmission sequence information corresponding to the target round-trip total delay information includes at least one of the following:
  • the first information may also include transmission delay information in the first transmission direction.
  • the first transmission direction may be a transmission direction corresponding to the data to be transmitted, or a transmission direction in which the data transmission sequence is later.
  • the first information may also include object information corresponding to the transmission delay information in the first transmission direction.
  • the object information corresponding to the transmission delay information of the first transmission direction is used to indicate at least one of the following objects: LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set, packet.
  • the transmission delay information in the first transmission direction is indicated for at least one of LCH, DRB, UE, cell, QoS flow, PDU session, stream, data, PDU set, and packet.
  • the base station obtains the first information, including:
  • the first association indication information is used to indicate the LCH, DRB, UE, cell, QoS flow associated with the transmission delay information of the first transmission direction, At least one of PDU session, stream, data, PDU set, and packet.
  • the core network device may indicate the transmission delay information of the first transmission direction and the object to which the transmission delay information of the first transmission direction applies.
  • the base station obtains the first information, including:
  • the object identifier and second association indication information where the second association indication information is used to indicate transmission delay information in the first transmission direction corresponding to the object identified by the object identifier.
  • the core network device may indicate the object information and the transmission delay information of the first transmission direction used for the object information.
  • the base station may also indicate to the UE the transmission delay information of the first transmission direction and/or the object information corresponding to the transmission delay information of the first transmission direction.
  • the base station may indicate to the UE the transmission delay information in the first transmission direction and the fifth association indication information.
  • the fifth association indication information is used to indicate the LCH, DRB, UE associated with the transmission delay information in the first transmission direction. , at least one of cell, QoS flow, PDU session, stream, data, PDU set, and packet.
  • the base station may indicate to the UE the transmission delay information in the first transmission direction and the objects to which the transmission delay information in the first transmission direction applies.
  • the base station may indicate the object identifier and sixth association indication information to the UE, where the sixth association indication information is used to indicate the transmission delay information in the first transmission direction corresponding to the object identified by the object identifier.
  • the base station may indicate the object information and the transmission delay information of the first transmission direction used for the object information to the UE.
  • the transmission delay information in the first transmission direction may be real-time.
  • the transmission delay information in the first transmission direction is for each object.
  • the transmission delay information in the first transmission direction is for each data packet or PDU set of each object.
  • the transmission delay information in the first transmission direction is for the PDU in each object.
  • the transmission delay information in the first transmission direction is an upper limit of transmission delay.
  • the transmission delay information in the first transmission direction is a value between an upper limit of transmission delay and a lower limit of transmission delay.
  • the transmission delay information in the first transmission direction is determined based on the service characteristics of the service to be transmitted and/or the processing capabilities of the application server or codec corresponding to the service to be transmitted.
  • the transmission delay information of the first transmission direction is obtained based on multiple transmission delay information.
  • the plurality of transmission delay information may be transmission delay information occupied by transmitted data in the first transmission direction.
  • the transmission delay information in the first transmission direction may be obtained by averaging or counting the plurality of transmission delay information.
  • the transmission delay information of the first transmission direction is obtained by the base station from the core network device.
  • the transmission delay information in the first transmission direction is determined by the base station based on the transmission delay information in the second transmission direction.
  • the network device may determine the transmission delay information of the first transmission direction based on the transmission delay information of the second transmission direction and the target round-trip total delay information. For example, the difference between the target round-trip total delay information and the transmission delay information in the second transmission direction is used as the transmission delay information in the first transmission direction.
  • the transmission delay information of the first transmission direction is determined based on the transmission delay information of the second transmission direction and the target round-trip total delay information
  • the transmission delay information of the second transmission direction The delay information and the target round-trip total delay information are for the same object, or for the same data packet or PDU set of the same object, or for the PDU in the same object.
  • the first transmission direction is a transmission direction corresponding to the data to be transmitted, or a transmission direction in which the data transmission sequence is later.
  • the second transmission direction may be a transmission direction corresponding to data that has been transmitted, or a transmission direction in which the data transmission sequence is earlier.
  • the second transmission direction may be the same as the first transmission direction, for example, it may be determined based on historical transmission delay information of the first transmission direction (for example, based on an average or statistical determination of one or more transmitted data) The currently available transmission delay information in the first transmission direction.
  • the first transmission direction is a transmission direction in which the data transmission sequence is later
  • the second transmission direction may also be a transmission direction in which the data transmission sequence is later.
  • the transmission delay information of the first transmission direction may be determined based on the delay of the previous or multiple transmission delay information of the second transmission direction.
  • the transmission delay information of the second transmission direction is determined based on the data packets in the second transmission direction.
  • the data packet in the second transmission direction includes indication information
  • the indication information is used to indicate the transmission delay information in the second transmission direction, or the data packet carries a timestamp
  • the network The device can determine the transmission delay information in the second transmission direction based on the timestamp carried in the data packet.
  • the transmission delay information in the second transmission direction may be determined based on the transmission delay information occupied by the transmitted data packets in the second transmission direction, or may also be determined based on the data packets that have not been transmitted but the data transmission sequence is in It is obtained by estimating the transmission delay occupied by the previous data packet.
  • the transmitted data packet in the second transmission direction may be the transmitted data packet associated with the data packet to be transmitted later in the data transmission sequence in the first transmission direction, or it may also be the second transmission data packet.
  • the transmission delay information of the second transmission direction can be obtained by averaging or statistically processing multiple recently transmitted data packets in the object.
  • the transmission delay information in the second transmission direction is determined based on a first data packet, wherein the first data packet is a data packet in the second transmission direction in the first object,
  • the first object is an object corresponding to the target round-trip total delay information (or an object to which the target round-trip total delay information is applied in the second transmission direction).
  • the first data packet is a data packet associated with the first transmission direction in the second transmission direction.
  • the first data packet is a transmitted data packet in the second transmission direction, or the first data packet is a data packet with a previous data transmission sequence.
  • the first data packet is a data packet with a later data transmission sequence.
  • the transmission delay information in the second transmission direction is determined based on a plurality of data packets, wherein the plurality of data packets are data packets in the second transmission direction in the first object.
  • the first object is an object corresponding to the target round-trip total delay information.
  • the plurality of data packets are transmitted data packets in the second transmission direction.
  • the network device may average or statistically process the transmission delay information occupied by the multiple data packets to obtain the transmission delay information in the second transmission direction.
  • the plurality of data packets are data packets with a later data transmission sequence.
  • the transmission delay information in the second transmission direction is obtained by statistics from the network device.
  • the transmission delay information in the second transmission direction may be obtained based on L2 measurements.
  • the transmission delay information in the second transmission direction is notified to the network device by other devices.
  • the transmission delay information in the second transmission direction may be notified to the network device by application layer equipment, core network equipment, or terminal equipment.
  • the method further includes:
  • the base station can perform the target operation using the first information.
  • the base station can perform scheduling, adjust or select resource configuration, adjust or select RRC parameter configuration, or process data packets based on the transmission delay information in the second transmission direction.
  • the transmission delay in the first transmission direction is not less than a first threshold, or the transmission delay in the first transmission direction is not less than 1/2 of the target round-trip total delay information, or, the When the transmission delay in the first transmission direction is not less than the PDB, the network device can perform relaxed dynamic scheduling as soon as possible.
  • the network device can configure or activate long-delay SPS resources, and/or deactivate short-delay SPS resources.
  • the first candidate mapping configuration is used for transmission.
  • the fifth indication information is sent through at least one of the following signaling:
  • the UE when receiving the fifth indication information, performs transmission according to the target resource configuration and/or target parameter configuration indicated by the base station.
  • the base station can also send information related to the target round-trip total delay or information related to the used transmission delay to the UE, and the UE further determines the remaining transmission delay information based on the above information (specific implementation Refer to the relevant description of the transmission delay information in the first transmission direction), and/or determine the target mapping configuration according to the remaining transmission delay information.
  • specific implementation Refer to the relevant description of the transmission delay information in the first transmission direction
  • the target mapping configuration according to the remaining transmission delay information.
  • the method may include at least some of the following steps:
  • the method further includes:
  • the base station sends resource configuration and/or parameter configuration to the UE.
  • CG resources or SPS resources are deactivated.
  • CG resources or SPS resources are activated.
  • the second information includes at least one of the following:
  • adjusting or selecting resource configurations may include using CG resources and/or not using CG resources.
  • adjusting or selecting parameter configuration may include at least one of the following:
  • the UE may select or adjust the configuration according to the transmission delay information in the first transmission direction.
  • the transmission delay information of the first transmission direction may be obtained from the base station, or may be determined by the UE itself. For example, the UE may determine the transmission delay information based on the target round-trip total delay information and the second transmission direction. The transmission delay information determines the transmission delay information of the first transmission direction.
  • the transmission delay information in the second transmission direction may be obtained from a network device.
  • the transmission delay information in the second transmission direction may be obtained from the network device, or may be determined by the UE itself.
  • the specific determination method refer to the relevant descriptions of the foregoing embodiments, which will not be described again here.
  • the UE may use the difference between the target round-trip total delay information and the transmission delay information in the second transmission direction as the transmission delay information in the first transmission direction.
  • the fourth mapping relationship may be a mapping relationship between target round-trip total delay information and configuration (such as resource configuration or parameter configuration). For example, different values of total target round-trip delay information correspond to different configurations.
  • the fourth mapping relationship may be a mapping relationship between transmission delay information and configuration (such as resource configuration or parameter configuration) in the first transmission direction.
  • configuration such as resource configuration or parameter configuration
  • different values of transmission delay information in the first transmission direction correspond to different configurations.
  • the fourth mapping relationship may be a mapping relationship between target round-trip total delay information and operations.
  • different values of the target round-trip total delay information correspond to different operations, such as adjusting parameter configuration, adjusting resource configuration, reporting third information to the network device, etc.
  • adjusting or selecting resource configuration may include adjusting or selecting preconfigured resources, for example, adjusting SPS resources and/or CG resources.
  • SPS resources are resources for the downlink transmission direction
  • CG resources are resources for the uplink transmission direction.
  • the network device can configure or activate short-delay SPS resources, and/or deactivate long-delay SPS resources.
  • the transmission delay in the first transmission direction is less than the first threshold, or the transmission delay in the first transmission direction is less than 1/2 of the target round-trip total delay information, or the transmission delay in the first transmission direction is less than In the case of PDB, adjust the RRC parameter configuration to ensure priority transmission of services in the first transmission direction.
  • the failure to meet transmission delay requirements includes at least one of the following:
  • the transmission delay in the first transmission direction is not greater than the minimum value of the air interface one-way transmission delay
  • the transmission delay in the first transmission direction is not greater than the waiting time of the resource corresponding to the data to be transmitted;
  • the transmission delay in the first transmission direction is not greater than the processing time of the data packet.
  • the processing duration of the data packet may include at least one of the following:
  • the generation time of data packets the packaging time of data packets, and the encoding time of data packets.
  • the processing duration of the data packet may include the decoding duration of the data packet.
  • the UE can determine the transmission delay information in the first transmission direction, for example, it can be obtained from the base station, or it can be determined based on the transmission delay information in the second transmission direction. It can further be determined based on the third transmission direction.
  • the transmission delay information in one transmission direction determines the selection or adjustment of the configuration, and then the transmission is performed based on the selected or adjusted configuration, which is beneficial to ensuring the total round-trip delay requirement.
  • FIG. 8 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 500 of Figure 8 includes:
  • the processing unit 410 is configured to perform a target operation according to the first information, where the first information includes round-trip total delay related information.
  • the first information includes at least one of the following:
  • Target round-trip total delay information object information corresponding to the target round-trip total delay information, data transmission sequence information corresponding to the target round-trip total delay information, transmission delay information in the first transmission direction, Object information corresponding to the transmission delay information, data or service direction information corresponding to the transmission delay information in the first transmission direction, configuration adjustment information, configuration selection information, and first indication information used to indicate the total round-trip time to the target.
  • the value of delayed information is variable.
  • the target round-trip total delay information is the round-trip delay requirement between the terminal device and the N6 port of the user function entity UPF; or
  • the target round-trip total delay information is the total transmission delay of uplink data transmission and downlink data transmission.
  • the target round-trip total delay information is the total transmission delay of associated uplink data transmission and downlink data transmission.
  • the target round-trip total delay information is the round-trip delay requirement between the terminal device and the application function AF or AP; or,
  • the target round-trip total delay information is the total transmission delay of uplink services and downlink services; or,
  • the object information corresponding to the target round-trip total delay information is used to indicate at least one of the following objects:
  • Logical channel data radio bearer DRB, terminal equipment, cell, quality of service QoS flow, protocol data unit PDU session, flow, data, PDU set, data packet.
  • the target round-trip total delay information is for at least one of logical channel, DRB, terminal device, cell, quality of service QoS flow, protocol data unit PDU session, flow, data, PDU set and data packet.
  • One instruction is for at least one of logical channel, DRB, terminal device, cell, quality of service QoS flow, protocol data unit PDU session, flow, data, PDU set and data packet.
  • the data transmission sequence information corresponding to the target round-trip total delay information includes at least one of the following:
  • the processing unit 410 is further configured to obtain the first information.
  • the processing unit 410 is further configured to: obtain the target round-trip total delay information and second indication information, where the second indication information is used to indicate the logical channel associated with the target round-trip total delay information. , at least one of DRB, terminal device, cell, QoS flow, PDU session, flow, data, PDU set and data packet.
  • the processing unit 410 is further configured to obtain an object identifier and third indication information, where the third indication information is used to indicate the target round-trip total delay information corresponding to the object identified by the object identifier.
  • the target round-trip total delay information is determined based on the first round-trip total delay information and a first delay adjustment amount, and the first delay adjustment amount is the target round-trip total delay information.
  • the delay adjustment amount relative to the first round-trip total delay information.
  • the first round-trip total delay information is predefined, or
  • the first round-trip total delay information is obtained from the first device.
  • the first round-trip total delay information is the most recently obtained round-trip total delay information.
  • the first information is obtained from a first device.
  • the first delay adjustment amount is obtained from the first device.
  • the first information and/or the first delay adjustment amount is obtained by the network device from the first device in one of the following ways: periodic acquisition, aperiodic acquisition, event-based acquisition Trigger acquisition.
  • the first device includes at least one of the following devices: core network device, application server, application codec, application layer device, terminal device, and network control node.
  • the target round-trip total delay information is for each object; or,
  • the target round-trip total delay information is for each data packet or PDU set of each object.
  • the target round-trip total delay information is for the PDU in each object.
  • the target round-trip total delay information is an upper limit of the total round-trip delay, or,
  • the target round-trip total delay information is obtained based on multiple round-trip total delay information
  • the target round-trip total delay information is determined based on the service characteristics of the service to be transmitted and/or the processing capabilities of the application server or codec corresponding to the service to be transmitted.
  • the plurality of round-trip total delay information is total round-trip delay information occupied by transmitted data.
  • the execution target operation includes at least one of the following operations:
  • the execution target operation includes at least one of the following operations:
  • the target mapping configuration has a mapping relationship with the target round-trip total delay information, or the target mapping configuration has a mapping relationship with the transmission delay information of the first transmission direction.
  • the network device further includes:
  • a communication unit configured to send at least one candidate mapping configuration to the terminal device.
  • the at least one candidate mapping configuration respectively corresponds to different round-trip total delay information
  • the at least one candidate mapping configuration respectively corresponds to the transmission delay information of different first transmission directions.
  • the at least one candidate mapping configuration is for at least one object, and the total round-trip delay information corresponding to the at least one object is variable; or,
  • the at least one candidate mapping configuration is for at least one object, and the transmission delay information of the first transmission direction corresponding to the at least one object is variable.
  • the candidate mapping configuration is configured for at least one of the following objects: logical channel, DRB, terminal device, cell, QoS flow, PDU session, flow, data, PDU set, data packet; or
  • the candidate mapping configuration is configured for at least one of a logical channel, a DRB, a terminal device, a cell, a QoS flow, a PDU session, a flow, a data, a PDU set, and a data packet.
  • the candidate mapping configuration includes candidate resource configuration and/or candidate parameter configuration.
  • the candidate resource configuration includes at least one CG configuration and/or at least one SPS configuration.
  • the candidate parameter configuration includes at least one of the following:
  • At least one set of LCH configuration, priority rules, DRB configuration, and packet deletion processing rules is provided.
  • the at least one candidate mapping configuration includes a first candidate mapping configuration.
  • the terminal device when the terminal device receives the at least one candidate mapping configuration, the first candidate mapping configuration is used for transmission; and/or
  • the terminal device does not receive the indication information indicating the target mapping configuration sent by the network device, use the first candidate mapping configuration for transmission; and/or
  • the first candidate mapping configuration is used for transmission.
  • the network device further includes:
  • a communication unit configured to send second information to the terminal device, where the second information includes information related to the total round-trip delay.
  • the second information includes at least one of the following:
  • the second transmission direction is the transmission direction corresponding to the transmitted data, or the transmission direction in which the data transmission sequence is earlier.
  • the second information is carried in at least one of the following signaling: RRC signaling, MAC CE, DCI.
  • the second information is sent by the network device to the terminal device in one of the following ways:
  • the network device further includes:
  • a communication unit configured to send seventh instruction information to the terminal device, where the seventh instruction information is used to instruct the terminal device to use the second information, and/or to perform or activate a target operation corresponding to the second information.
  • the processing unit 410 is also used to:
  • the target operation is performed according to the transmission delay in the first transmission direction.
  • the transmission delay information of the first transmission direction is obtained from the first device.
  • the transmission delay information in the first transmission direction is determined based on the transmission delay in the second transmission direction.
  • the transmission delay in the first transmission direction is determined based on the transmission delay in the second transmission direction, including:
  • the transmission delay in the first transmission direction is determined based on the transmission delay in the second transmission direction and the target round-trip total delay information.
  • the transmission delay in the second transmission direction is determined based on data packets in the second transmission direction.
  • the transmission delay in the second transmission direction is obtained by statistics from the network device.
  • the transmission delay in the second transmission direction is notified to the network device by other devices.
  • the transmission delay in the second transmission direction is determined based on the first data packet in the second transmission direction in a first object, where the first object is the target round-trip total delay information corresponding to object, and the first data packet is a data packet in the second transmission direction in the first object.
  • the first data packet is a data packet associated with the first transmission direction in the second transmission direction.
  • the first data packet is a transmitted data packet in the second transmission direction, or the first data packet is a data packet with a previous data transmission sequence.
  • the transmission delay in the second transmission direction is determined based on the data packets in the second transmission direction, including:
  • the transmission delay information in the second transmission direction is determined based on a plurality of data packets, wherein the plurality of data packets are data packets in the second transmission direction in the first object, and the first The object is the object corresponding to the target round-trip total delay information.
  • the plurality of data packets are transmitted data packets in the second transmission direction.
  • performing the target operation includes: performing dynamic scheduling.
  • the execution of dynamic scheduling includes:
  • the transmission delay in the first transmission direction is less than the first threshold, or the transmission delay in the first transmission direction is less than 1/M of the target round-trip total delay information, or the transmission delay in the first transmission direction is less than the packet delay
  • PDB send the first scheduling information to the terminal device, or perform dynamic scheduling according to the first method, and the M is a positive integer greater than 1; or
  • the transmission delay in the first transmission direction is not less than the first threshold, or the transmission delay in the first transmission direction is not less than 1/M of the target round-trip total delay information, or the first transmission
  • the transmission delay in the direction is not less than the PDB
  • the transmission delay corresponding to the first scheduling information is less than the transmission delay corresponding to the second scheduling information
  • the transmission delay reserved for the Uu interface when scheduled according to the first method is smaller than the transmission delay reserved for the Uu interface when scheduled according to the second method;
  • the transmission delay reserved for the Uu interface when scheduled according to the first method is less than the second threshold, and the transmission delay reserved for the Uu interface when scheduled according to the second method is not less than the second threshold; or,
  • the transmission delay reserved for the Uu interface according to the first method and the transmission delay reserved for the Uu interface according to the second method are the lower limit and the upper limit of the Uu interface transmission delay respectively.
  • performing the target operation includes configuring or adjusting preconfigured resources.
  • the preconfigured resources include semi-persistent scheduling SPS resources and/or configuration grant CG resources.
  • configuring or adjusting preconfigured resources includes:
  • the transmission delay in the first transmission direction is less than the first threshold, or the transmission delay in the first transmission direction is less than 1/M of the target round-trip total delay information, or the transmission delay in the first transmission direction is less than
  • the delay of the configured or activated preconfigured resources is the first delay
  • the M is a positive integer greater than 1;
  • the transmission delay in the first transmission direction is not less than the first threshold, or the transmission delay in the first transmission direction is not less than 1/M of the target round-trip total delay information, or the transmission time in the first transmission direction
  • the delay is not less than PDB
  • the delay of the configured or activated preconfigured resources is the second delay
  • the M is a positive integer greater than 1;
  • the first delay is smaller than the second delay.
  • the execution of target operations includes:
  • the logical channel LCH parameters include at least one of the following:
  • Logical channel priority LCH mapping restrictions, token bucket size, priority bit rate.
  • the execution of target operations includes:
  • the failure to meet transmission delay requirements includes at least one of the following:
  • the transmission delay in the first transmission direction is not greater than the minimum transmission delay
  • the transmission delay in the first transmission direction is not greater than the minimum value of the air interface one-way transmission delay
  • the transmission delay in the first transmission direction is not greater than the minimum one-way transmission delay of the core network
  • the transmission delay in the first transmission direction is not greater than the waiting time of the resource corresponding to the data to be transmitted;
  • the transmission delay in the first transmission direction is not greater than the processing time of the data packet.
  • the processing unit 410 is also used to:
  • the target mapping configuration is determined according to the transmission delay information in the first transmission direction and/or the second mapping relationship, where the second mapping relationship is the mapping relationship between the transmission delay information in the first transmission direction and the mapping configuration.
  • the network device further includes:
  • the fifth indication information is used to indicate the target mapping configuration.
  • the fifth indication information is sent through at least one of the following signaling:
  • RRC signaling media access control MAC control element CE, downlink control information DCI.
  • the processing unit 410 is also used to:
  • the target operation is determined according to the first information and a third mapping relationship, where the third mapping relationship is a mapping relationship between different first information and operations.
  • the third mapping relationship is a mapping relationship between first information and configuration.
  • the processing unit 410 is also used to:
  • the network device uses the first information according to the eighth instruction information, and/or performs a target operation according to the first information.
  • the eighth indication information is sent by the first device.
  • the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
  • the above-mentioned processing unit may be one or more processors.
  • network device 500 may correspond to the network device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the network device 500 are respectively to implement Figures 3 to 7
  • the corresponding processes of the network equipment in the method embodiment shown will not be described again here.
  • Figure 9 shows a schematic block diagram of a terminal device 800 according to an embodiment of the present application.
  • the terminal device 800 includes:
  • the processing unit 810 is configured to perform the target operation according to the second information, where the second information includes information related to the total round-trip delay.
  • the second information includes at least one of the following:
  • the second information is carried in at least one of the following signaling: RRC signaling, MAC CE, DCI.
  • the second information is sent by the network device to the terminal device in one of the following ways: periodically, based on event triggering.
  • the object information corresponding to the target round-trip total delay information is used to indicate at least one of the following objects:
  • Logical channel data radio bearer DRB, terminal equipment, cell, quality of service QoS flow, protocol data unit PDU session, flow, data, PDU set, data packet.
  • the target round-trip total delay information is indicated for at least one of a logical channel, a DRB, a terminal device, a cell, a QoS flow, a PDU session, a flow, a data, a PDU set, and a data packet.
  • the data transmission sequence information corresponding to the target round-trip total delay information includes at least one of the following:
  • the first transmission direction is a transmission direction corresponding to the data to be transmitted, or a transmission direction in which the data stream transmission sequence is later.
  • the second transmission direction is the transmission direction corresponding to the transmitted data, or the transmission direction in which the data stream transmission sequence is earlier.
  • the target round-trip total delay information is for each object, or for each data packet or PDU set of each object.
  • the target round-trip total delay information is an upper limit of the total round-trip delay, or,
  • the target round-trip total delay information is a value between the upper limit and the lower limit of the total round-trip delay, or,
  • the target round-trip total delay information is obtained based on multiple round-trip total delay information
  • the target round-trip total delay information is determined based on the service characteristics of the service to be transmitted and/or the processing capabilities of the application server or codec corresponding to the service to be transmitted.

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

Abstract

L'invention concerne un procédé de communication sans fil, un dispositif de réseau et un dispositif terminal. Le procédé suppose d'exécuter une opération cible en fonction de premières informations, les premières informations contenant des informations relatives à un temps total de propagation aller-retour. Les exigences du temps total de propagation aller-retour peuvent être garanties.
PCT/CN2022/085159 2022-04-02 2022-04-02 Procédé de communication sans fil, dispositif de réseau et dispositif terminal WO2023184553A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1206067A1 (fr) * 2000-11-06 2002-05-15 Agilent Technologies, Inc. (a Delaware corporation) Méthode et dispositif pour la mesure de réseau
CN110972181A (zh) * 2018-09-29 2020-04-07 华为技术有限公司 Mdt测量方法、设备及系统
CN113037697A (zh) * 2019-12-25 2021-06-25 深信服科技股份有限公司 一种视频帧处理方法、装置和电子设备及可读存储介质

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1206067A1 (fr) * 2000-11-06 2002-05-15 Agilent Technologies, Inc. (a Delaware corporation) Méthode et dispositif pour la mesure de réseau
CN110972181A (zh) * 2018-09-29 2020-04-07 华为技术有限公司 Mdt测量方法、设备及系统
CN113037697A (zh) * 2019-12-25 2021-06-25 深信服科技股份有限公司 一种视频帧处理方法、装置和电子设备及可读存储介质

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