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WO-2026090948-A1 - DATA TRANSMISSION METHOD AND APPARATUS, AND DEVICE, SYSTEM, STORAGE MEDIUM AND PROGRAM PRODUCT

WO2026090948A1WO 2026090948 A1WO2026090948 A1WO 2026090948A1WO-2026090948-A1

Abstract

The present disclosure relates to a data transmission method and apparatus, and a device, a system, a storage medium and a program product. The method comprises: a terminal device accessing an SBI message bus, wherein the terminal device is used for providing a service and/or using the service by means of the SBI message bus; and the terminal device transmitting, on the basis of a radio bearer, service data when the terminal device provides the service and/or uses the service by means of the SBI message bus, and an access network device transmitting the service data of the terminal device by means of the SBI message bus. In the embodiments of the present disclosure, a terminal device provides or uses a service by means of an SBI message bus, such that the data transmission delay can be reduced, and the consumption of the network bandwidth and the requirements for the processing capability of a network node can be lowered.

Inventors

  • ZHANG, YUJIAN

Assignees

  • 北京小米移动软件有限公司

Dates

Publication Date
20260507
Application Date
20241030

Claims (20)

  1. A data transmission method, characterized in that the method is executed by a terminal device, the terminal device accesses a Service-Oriented Interface (SBI) message bus, and the terminal device is used to provide services and/or use services through the SBI message bus; The method includes: Based on the wireless bearer, the terminal device transmits service data when providing and/or using services through the SBI message bus.
  2. According to the method described in claim 1, the radio bearer is a service-oriented bearer (SBB).
  3. According to the method of claim 2, the security key of the radio bearer is different from the security keys of the data radio bearer (DRB) and the signaling radio bearer (SRB), and the security key of the radio bearer includes an algorithm type distinguisher.
  4. According to the method of claim 2 or 3, the SBB is mapped to a dedicated service channel DTCH or a dedicated logical channel corresponding to the SBB; if the SBB is mapped to the dedicated logical channel, the dedicated logical channel is mapped to an uplink shared channel UL SCH or a downlink shared channel DL SCH.
  5. The method according to any one of claims 2-4 is characterized in that the SBB is not associated with a Protocol Data Unit (PDU) session.
  6. The method according to any one of claims 2-4 is characterized in that the SBB is associated with a PDU session, and the SBB corresponding to different services is associated with different PDU sessions, wherein the PDU session is not associated with the data network.
  7. The method according to any one of claims 1-6, characterized in that, the step of transmitting service data when the terminal device provides and/or uses services through the SBI message bus based on the wireless bearer includes: The service data is sent to the access network device via the radio bearer, and the access network device is used to send the service data via the SBI message bus.
  8. According to the method of claim 7, the access network device includes a distributed unit (DU) and a centralized unit (CU), wherein the DU is used to forward the service data obtained from the radio bearer to the CU, and the CU is used to send the service data through the SBI message bus.
  9. According to the method of claim 7, the access network device includes a distributed unit (DU), the DU being used to obtain the service data from the radio bearer and send the service data through the SBI message bus.
  10. According to the method of claim 7, the access network device includes a distributed unit (DU) and a centralized unit-control plane (CU-CP), wherein the DU is used to forward the service data obtained from the radio bearer to the CU-CP, and the CU-CP is used to send the service data through the SBI message bus.
  11. According to the method of claim 7, the access network device includes a distributed unit (DU) and a centralized unit-user plane (CU-UP), wherein the DU is used to forward the service data obtained from the radio bearer to the CU-UP, and the CU-UP is used to send the service data through the SBI message bus.
  12. The method according to any one of claims 7-11, wherein the access network device comprises a primary node MN and/or a secondary node SN; The MN is used to obtain the service data from the radio bearer and send the service data through the SBI message bus; The SN is used to obtain the service data from the radio bearer and send the service data through the SBI message bus.
  13. The method according to any one of claims 1-12 is characterized in that the services provided or used by the terminal device and the wireless bearer have at least one of the following correspondences: One service corresponds to one wireless bearer; One service can correspond to multiple radio bearers; Multiple services correspond to one wireless bearer.
  14. The method according to any one of claims 1-13, characterized in that it further comprises: Obtain rule configuration, which is used to determine whether the uplink service is related to the service provided or used by the terminal device.
  15. The method according to any one of claims 1-14 is characterized in that, in the inactive state, the terminal device transmits service data when providing and/or using the service through the wireless bearer.
  16. A data transmission method, characterized in that the method is executed by an access network device, the method comprising: Transmitting terminal device business data via the Service-Oriented Interface (SBI) message bus; The business data is generated by the terminal device when it provides and/or uses services through the SBI message bus. The terminal device is connected to the SBI message bus.
  17. According to the method of claim 16, the step of transmitting the service data of the terminal device through the SBI message bus includes: The service data received from the wireless bearer from the terminal device is sent to the SBI message bus.
  18. The method according to claim 16 or 17 is characterized in that the access network device includes a distributed unit (DU) and a centralized unit (CU), wherein the DU is used to forward the service data obtained from the radio bearer to the CU, and the CU is used to send the service data through the SBI message bus.
  19. The method according to claim 16 or 17 is characterized in that the access network device includes a distributed unit (DU), the DU being used to acquire the service data from the radio bearer and to send the service data through the SBI message bus.
  20. The method according to claim 16 or 17 is characterized in that the access network device includes a distributed unit (DU) and a centralized unit-control plane (CU-CP), wherein the DU is used to forward the service data obtained from the radio bearer to the CU-CP, and the CU-CP is used to send the service data through the SBI message bus.

Description

Data transmission methods, apparatus, equipment, systems, storage media and software products Technical Field This disclosure relates to the field of communication technology, and in particular to a data transmission method, apparatus, device, system, storage medium, and program product. Background Technology In 5G, a Service-Based Architecture (SBA) is introduced into the core network. In this architecture, Network Functions (NFs) can implement system functions by providing services to other authorized network functions. A Service-Based Interface (SBI) represents a set of services provided or exposed by a given network function. Summary of the Invention This disclosure provides a data transmission method, apparatus, device, system, storage medium, and program product for transmitting service data of terminal devices based on wireless bearers. This enables the terminal devices to provide services to core network elements/functions, other terminals, base stations, etc., and to use the services provided by core network elements/functions, other terminals, base stations, etc., while ensuring the transmission efficiency of service data and reducing network bandwidth consumption. According to a first aspect of the present disclosure, a data transmission method is proposed, which is executed by a terminal device, wherein the terminal device accesses an SBI message bus and provides and/or uses services through the SBI message bus. The data transmission method includes: based on a wireless bearer, transmitting business data when terminal devices provide services and/or use services through the SBI message bus. In this embodiment of the disclosure, the terminal device transmits service data based on wireless bearer, which enables the terminal device to provide services to core network elements/functions, other terminals, base stations, etc. The terminal device can also use the services provided by core network elements/functions, other terminals, base stations, etc., while ensuring the transmission efficiency of service data and reducing network bandwidth consumption. According to a second aspect of the present disclosure, a data transmission method is provided, which is executed by an access network device. The data transmission method includes: transmitting service data of a terminal device through an SBI message bus. Among them, business data is generated when terminal devices provide services and/or use services through the SBI message bus, and terminal devices access the SBI message bus. In this embodiment of the disclosure, the access network device transmits the service data of the terminal device through the SBI message bus, which enables the terminal device to provide services to core network elements/functions, other terminals, base stations, etc., and the terminal device can also use the services provided by core network elements/functions, other terminals, base stations, etc. According to a third aspect of the embodiments of this disclosure, a data transmission method is provided, comprising: The terminal device, based on the radio bearer, sends service data to the access network device when the terminal device provides services and/or uses services through the SBI message bus; Access network equipment transmits service data via the SBI message bus; Among them, the terminal equipment is connected to the SBI message bus. In this embodiment of the disclosure, by transmitting service data based on wireless bearer and SBI message bus, the terminal device can provide services to core network elements/functions, other terminals, base stations, etc., and the terminal device can also use the services provided by core network elements/functions, other terminals, base stations, etc., while ensuring the transmission efficiency of service data and reducing network bandwidth consumption. According to a fourth aspect of the present disclosure, a data transmission apparatus is provided, wherein a terminal device in which the data transmission apparatus is located accesses a Service Interface Block (SBI) message bus, and the terminal device provides services and/or uses services through the SBI message bus. The data transmission device includes: The transceiver module is used to transmit business data when terminal devices provide services and/or use services via the SBI message bus, based on a wireless bearer. According to a fifth aspect of the present disclosure, a data transmission apparatus is provided, the data transmission apparatus comprising: a transceiver module, configured to transmit service data of a terminal device via an SBI message bus; Among them, business data is generated when terminal devices provide services and/or use services through the SBI message bus, and terminal devices access the SBI message bus. According to a sixth aspect of the present disclosure, a terminal device is provided, the terminal device comprising: one or more processors; The terminal device is used to execute the data transmiss