CN-122003918-A - Handover control method, network device, terminal device, communication apparatus, communication system, storage medium, and program product

Abstract

The present disclosure relates to a handover control method, a network device, a terminal device, a communication apparatus, a communication system, a storage medium, and a program product. The network device sends first information to the plurality of terminal devices, wherein the first information is used for indicating the plurality of terminal devices to perform network switching. In the embodiment of the disclosure, the network equipment can instruct the terminal equipment to switch the network through the first information, so that the interruption of the connection of the terminal equipment is avoided, the continuity of the network connection of the terminal is ensured, and the use experience of the terminal equipment is improved. And aiming at a plurality of terminal devices needing to switch networks, the network device only needs to send one first message for indicating to switch networks, so that the signaling overhead of the network device can be reduced.

Inventors

• LI XIAOLONG

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260508

Application Date

20240806

Claims (20)

1. A handover control method, performed by a network device, the method comprising: And sending first information to a plurality of terminal devices, wherein the first information is used for indicating the plurality of terminal devices to perform network switching.
2. The method of claim 1, wherein the sending the first information to the plurality of terminal devices comprises: the first information is multicast or broadcast to the plurality of terminal devices.
3. The method of claim 1, wherein the first information comprises at least one of a first message, and at least one second message, wherein, The first message comprises public information of network switching of the plurality of terminal devices; The second message includes specific information of the corresponding terminal equipment for network switching.
4. A method according to claim 3, wherein said transmitting first information to a plurality of terminal devices comprises at least one of: Multicasting or broadcasting the first message to a plurality of the terminal devices; and respectively sending the second message to the plurality of terminal devices.
5. The method of claim 4, wherein the first message is a system message.
6. The method of claim 5, wherein the system message includes an identification of a device group in which the plurality of terminal devices are located.
7. The method according to any of claims 3-6, wherein the second message is an RRC message.
8. The method according to any of claims 2-7, wherein the first information is a MAC PDU message or an RRC message.
9. The method of claim 8, wherein the first information is the MAC PDU message, wherein the first information comprises a first media access control service data unit MAC SDU, and at least one second MAC SDU; The first MAC SDU comprises public information for network switching of the plurality of terminal devices; Each second MAC SDU includes specific information for performing network handover by a corresponding one of the terminal devices.
10. The method of claim 9, wherein the first MAC SDU further comprises first indication information, wherein the first indication information is used to indicate that common information is included in the first MAC SDU.
11. The method according to claim 9 or 10, wherein the second MAC SDU further comprises identification information of the corresponding terminal device.
12. The method according to claim 9 or 10, characterized in that the method further comprises sending second information to the terminal device, the second information being used for indicating a second MAC SDU corresponding to the terminal device.
13. The method of claim 12, wherein the second information is an RRC message.
14. The method of claim 8, wherein the first information is the RRC message, the RRC message including a first information element, IE, and at least one second IE; the first IE comprises public information of network switching of a plurality of terminal devices; Each second IE includes specific information for performing network switching by a corresponding terminal device.
15. The method of claim 14, wherein the second IE includes identification information of each terminal device.
16. The method according to any of claims 3-15, wherein the common information comprises any of the following: a system information block SIB of a cell to which the plurality of terminal devices are to be switched, or Ephemeris information of a cell to which the plurality of terminal devices are to be handed over.
17. The method according to any of claims 3-16, characterized in that the specific information comprises an identification of the terminal device in the cell to be handed over.
18. The method of any of claims 1-17, further comprising configuring a group identification for the plurality of terminal devices, the group identification being used to instruct the plurality of terminal devices to obtain the first information.
19. A handover control method, performed by a terminal device, the method comprising: Receiving first information sent by network equipment, wherein the first information is used for indicating a plurality of terminal equipment to perform network switching, and the plurality of terminal equipment comprises the terminal equipment; And carrying out network switching according to the first information.
20. The method of claim 19, wherein the first information comprises at least one of a first message, and at least one second message, wherein, The first message comprises public information of network switching of the plurality of terminal devices; Each second message includes specific information of network switching of a corresponding terminal device.

Description

Handover control method, network device, terminal device, communication apparatus, communication system, storage medium, and program product Technical Field The present disclosure relates to the field of communications technologies, and in particular, to a handover control method, a network device, a terminal device, a communication apparatus, a communication system, a storage medium, and a program product. Background In modern communication systems, non-terrestrial/terrestrial communication (Non-TERRESTRIAL NETWORK, NTN) technology may be employed to communicate, which NTN technology may provide wireless resources through satellites (or drones) rather than terrestrial base stations. In communication based on satellites in non-geosynchronous orbits, the terminal may experience a connection interruption as the satellites move. Disclosure of Invention The embodiment of the disclosure provides a switching control method, network equipment, terminal equipment, a communication device, a communication system, a storage medium and a program product, which are used for solving the technical problem that when a satellite moves at a high speed, the terminal equipment cannot switch a network in time, so that the connection of the terminal equipment is interrupted. According to a first aspect of an embodiment of the present disclosure, a handover control method is provided, which is executed by a network device, the method including: And sending first information to the plurality of terminal devices, wherein the first information is used for indicating the plurality of terminal devices to perform network switching. In the embodiment of the disclosure, the network equipment can instruct the terminal equipment to switch the network through the first information, so that the interruption of the connection of the terminal equipment is avoided, the continuity of the network connection of the terminal is ensured, and the use experience of the terminal equipment is improved. And aiming at a plurality of terminal devices needing to switch networks, the network device only needs to send one first message for indicating to switch networks, so that the signaling overhead of the network device can be reduced. According to a second aspect of the embodiments of the present disclosure, there is provided a handover control method performed by a terminal device, the method including: receiving first information sent by network equipment, wherein the first information is used for indicating a plurality of terminal equipment to perform network switching, and the plurality of terminal equipment comprises terminal equipment; and carrying out network switching according to the first information. In the embodiment of the disclosure, the terminal device can timely and accurately perform network switching according to the first information, so that disconnection or connection interruption of the terminal due to satellite movement is avoided, the reliability of terminal device connection is ensured, the use experience of the terminal device is improved, the same first information can be used for indicating each terminal device in the plurality of terminal devices to perform network switching, signaling cost of the network device can be reduced, correspondingly, the terminal device can timely and accurately perform network switching according to the first information, disconnection or connection interruption of the terminal due to satellite movement is avoided, the reliability of terminal device connection is ensured, and the user experience is improved. According to a third aspect of embodiments of the present disclosure, there is provided a network device, comprising: And the receiving and transmitting module is used for sending first information to the plurality of terminal devices, wherein the first information is used for indicating the plurality of terminal devices to perform network switching. In the embodiment of the disclosure, the network equipment can instruct the terminal equipment to switch the network, so that the interruption of the connection of the terminal equipment is avoided, the continuity of the connection of the terminal network is ensured, and the use experience of the terminal equipment is improved. And aiming at a plurality of terminal devices needing to switch networks, the network device only needs to send one first message for indicating to switch networks, so that the signaling overhead of the network device can be reduced. According to a fourth aspect of an embodiment of the present disclosure, there is provided a terminal device, including: The receiving and transmitting module is used for receiving first information sent by the network equipment, wherein the first information is used for indicating a plurality of terminal equipment to perform network switching, and the plurality of terminal equipment comprises the terminal equipment; And the processing module is used for carrying out network switching according t