EP-4738922-A1 - INFORMATION TRANSMISSION METHOD AND APPARATUS, COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND STORAGE MEDIUM

Abstract

Embodiments of the present disclosure provide an information transmission method and apparatus, a communication device, a communication system, and a storage medium. A terminal receives first information, wherein the first information is used for determining the service time of a first beam and/or the service time of a second beam, the first beam is a serving beam before the terminal performs beam switching, and the second beam is a beam to which the terminal is to switch. The time accuracy of executing beam switching related operations is improved, and the service continuity is ensured.

Inventors

• ZHU, YAJUN

Assignees

• Beijing Xiaomi Mobile Software Co., Ltd.

Dates

Publication Date

20260506

Application Date

20230628

Claims (20)

1. An information transmission method, performed by a terminal, comprising: receiving first information, wherein the first information is used to determine a serving time of a first beam and/or a serving time of a second beam, the first beam is a serving beam for the terminal before beam switching, and the second beam is a beam to be switched to for the terminal.
2. The method according to claim 1, wherein the serving time of the first beam comprises: a service ending time point of the first beam; the serving time of the second beam comprises at least one of: a service starting time point of the second beam; or a time window in which the terminal performs beam measurement on the second beam.
3. The method according to claim 2, further comprising: determining a service interval between the service ending time point and the service starting time point.
4. The method according to claim 3, further comprising: in a case the service interval is greater than or equal to a threshold, switching the terminal to a radio resource control (RRC) non-connected state after the service ending time point, wherein the RRC non-connected state comprises at least one of: an RRC inactive state or an RRC idle state.
5. The method according to any one of claims 1 to 4, further comprising at least one of: performing a synchronization operation associated with the second beam based on the first information; or acquiring ephemeris information corresponding to the second beam based on the first information.
6. The method according to claim 5, wherein performing the synchronization operation associated with the second beam comprises at least one of: performing beam measurement associated with downlink synchronization on the second beam; or performing beam measurement on the second beam to determine a timing adjustment parameter associated with the second beam.
7. The method according to claim 5, wherein performing the synchronization operation associated with the second beam comprises: adjusting uplink timing and/or downlink timing for the second beam according to a synchronization transmission configuration parameter indicated by an access network device.
8. The method according to claim 7, wherein the synchronization transmission configuration parameter comprises at least one of: an indication for adjusting the downlink timing; the ephemeris information corresponding to the second beam; a timing adjustment parameter associated with the uplink timing; or information of an effective time of the synchronization transmission configuration parameter.
9. The method according to any one of claims 1 to 8, further comprising: determining a beam failure configuration parameter based on the first information, wherein the beam failure configuration parameter is used for determining whether the first beam or the second beam is available.
10. The method according to any one of claims 1 to 9, further comprising: performing, by the terminal, random access within a signal coverage range of the second beam, wherein a random access configuration of the random access is indicated by an access network device.
11. The method according to any one of claims 1 to 10, wherein the first beam and the second beam are associated with the same serving cell of the terminal.
12. An information transmission method, performed by an access network device, comprising: sending first information, wherein the first information is used to determine a serving time of a first beam and/or a serving time of a second beam, the first beam is a serving beam for a terminal before beam switching, and the second beam is a beam to be switched to for the terminal.
13. The method according to claim 12, wherein the serving time of the first beam comprises: a service ending time point of the first beam; the serving time of the second beam comprises at least one of: a service starting time point of the second beam; or a time window in which the terminal performs beam measurement on the second beam.
14. The method according to claim 13, wherein the service ending time point of the first beam and the service starting time point of the second beam are used for the terminal to determine a service interval from the first beam ending service to the second beam starting service.
15. The method according to claim 14, wherein the service interval is used for the terminal to determine whether to switch to a radio resource control (RRC) non-connected state after the service ending time point, wherein the RRC non-connected state comprises at least one of: an RRC inactive state, or an RRC idle state.
16. The method according to any one of claims 12 to 15, wherein the first information is used for the terminal to perform a synchronization operation associated with the second beam; or the first information is used for determining ephemeris information corresponding to the second beam.
17. The method of claim 16, wherein the synchronization operation associated with the second beam comprises at least one of: performing beam measurement associated with downlink synchronization on the second beam; or performing beam measurement on the second beam to determine a timing adjustment parameter associated with the second beam.
18. The method of claim 16, wherein the synchronization operation associated with the second beam comprises: adjusting uplink timing and/or downlink timing for the second beam according to a synchronization transmission configuration parameter indicated by the access network device.
19. The method of claim 18, wherein the synchronization transmission configuration parameter comprises at least one of: an indication for adjusting the downlink timing; the ephemeris information corresponding to the second beam; a timing adjustment parameter associated with the second beam; or information of an effective time of the synchronization transmission configuration parameter.
20. The method according to any one of claims 12 to 19, wherein the first information is used for the terminal to determine a beam failure configuration parameter, wherein the beam failure configuration parameter is used for determining whether the first beam or the second beam is available.

Description

TECHNICAL FIELD The disclosure relates to the field of communication technologies, in particular to an information transmission method, an information transmission apparatus, a communication device, a communication system, and a storage medium. BACKGROUND New Internet applications such as augmented reality (AR)/virtual reality (VR), vehicle-to-vehicle communication, etc., are continuously emerging that provides higher requirements for wireless communication technology, and drives continuous evolution of the wireless communication technology to meet application requirements. At present, cellular mobile communication technology is in an evolution stage of the new generation of technology. The new generation of technology has an important feature of supporting a flexible configuration of various service types. Different service types have different requirements for the wireless communication technology, for example, an enhanced mobile broadband (eMBB) service type mainly focus on large bandwidth, high rate, etc.; an ultra-reliable and low latency communication (URLLC) service type mainly focuses on high reliability and low latency; a massive machine type communication (mMTC) service type mainly focuses on a large number of connections. Therefore, the new generation of wireless communication system requires a flexible and configurable design to support transmission of the various service types. SUMMARY As functionality of a terminal increases, energy consumption of the terminal increases, resulting in weak battery life. Embodiments of the present disclosure provide an information transmission method, an information transmission apparatus, a communication device, a communication system, and a storage medium. According to a first aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide an information transmission method. The method is performed by a terminal and includes: receiving first information, in which the first information is used to determine a serving time of a first beam and/or a serving time of a second beam, the first beam is a serving beam for the terminal before beam switching, and the second beam is a beam to be switched to for the terminal. According to a second aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide an information transmission method. The method is performed by an access network device and includes: sending first information, in which the first information is used to determine a serving time of a first beam and/or a serving time of a second beam, the first beam is a serving beam for a terminal before beam switching, and the second beam is a beam to be switched to for the terminal. In a third aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide an information transmission method. The method is performed by a communication system and includes: sending, by an access network device, first information, in which the first information is used for a terminal to determine a serving time of a first beam and/or a serving time of a second beam, the first beam is a serving beam for the terminal before beam switching, and the second beam is a beam to be switched to for the terminal. In a fourth aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide a terminal. The terminal includes: a transceiver module, configured to receive first information, in which the first information is used to determine a serving time of a first beam and/or a serving time of a second beam, the first beam is a serving beam for a terminal before beam switching, and the second beam is a beam to be switched to for the terminal. In a fifth aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide an access network device. The access network device includes: a transceiver module, configured to send first information, in which the first information is used to determine a serving time of a first beam and/or a serving time of a second beam, the first beam is a serving beam for a terminal before beam switching, and the second beam is a beam to be switched to for the terminal. In a sixth aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide a communication system. The communication system includes a terminal and an access network device. The terminal is configured to implement the information transmission method as described in the first aspect. The access network device is configured to implement the information transmission method as described in the second aspect. In a seventh aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide a communication device. The communication device includes one or more processors. The one or more processors are configured to call instructions to enable the communication device to perform the inf