CN-122028167-A - Method and device for determining position information and network side equipment

Abstract

The application discloses a method and a device for determining position information and network side equipment, and belongs to the technical field of communication; the first network device receives second position information from the second network device, wherein the second position information is determined based on the first position information and is used for indicating information of a service cell corresponding to the terminal.

Inventors

• JIN HUI
• ZHANG DI
• WANG WEN

Assignees

• 维沃移动通信有限公司

Dates

Publication Date

20260512

Application Date

20241112

Claims (20)

1. 1. A method for determining location information, comprising: the first network equipment sends first position information of the terminal to the second network equipment; the first network device receiving second location information from the second network device; the second location information is determined based on the first location information, and the second location information is used for indicating information of a serving cell corresponding to the terminal.
2. 2. The method of claim 1, wherein the second location information is for at least one of: Determining a public safety answering point PSAP, wherein the PSAP is used for providing emergency services for the terminal; Paging the terminal.
3. 3. The method according to claim 1 or 2, wherein the first network device sending the first location information of the terminal to the second network device comprises: The first network device sends first position information of the terminal to the second network device under the condition that a first condition is met; wherein the first condition includes at least one of: The first network device receives a first request message from the second network device, wherein the first request message is used for requesting first position information of the terminal; The first network device determines that the terminal initiates an emergency call; The first network device determines a paging area of the terminal.
4. 4. The method of claim 3, wherein the first condition further comprises network access by the terminal through an IOT non-terrestrial network NTN, if the first condition comprises the first network device determining that the terminal originated an emergency call or the first network device determining a paging area of the terminal.
5. 5. The method of claim 3 or 4, wherein the first network device determining that the terminal initiated an emergency call comprises: The first network device determines that the terminal initiated an emergency call based on at least one of: The first network equipment receives first indication information, wherein the first indication information is used for indicating the terminal to initiate an emergency call; the first network device receives an emergency registration message from the terminal; The first network device receives a network connection establishment request from the terminal, wherein the network connection establishment request comprises an emergency indication.
6. 6. The method of any one of claims 1-5, wherein the method further comprises: The first network device obtains the first location information from the terminal.
7. 7. The method of claim 6, wherein the first network device obtaining the first location information from the terminal comprises: the first network device obtains the first position information from the terminal under the condition that the second condition is met; wherein the second condition includes at least one of: the first location information is not stored in the first network device; the preservation duration of the first position information in the first network device exceeds a preset value or the first position information in the first network device is invalid; And the terminal performs network access through the IOT NTN.
8. 8. The method according to any of claims 1-7, wherein the first network device comprises a mobility management entity, MME; And/or the second network device comprises at least one of an access network device and an enhanced serving mobile location center, E-SMLC.
9. 9. A method for determining location information, comprising: the second network device receives first location information from the first network device; The second network device sends second location information to the first network device, wherein the second location information is determined based on the first location information and is used for indicating a serving cell of a terminal.
10. 10. The method of claim 9, wherein the method further comprises: The second network device sends a first request message to the first network device under the condition that the third condition is met, wherein the first request message is used for requesting the first position information; Wherein the third condition includes the second network device determining that the terminal initiated an emergency call.
11. 11. The method of claim 10, wherein the second network device determining that the terminal initiated the emergency call comprises: The second network device determines that the terminal initiated an emergency call according to at least one of: The second network equipment receives a Radio Resource Control (RRC) connection establishment request, wherein the RRC connection request comprises an emergency indication; the second network device receives a quality of service parameter from the first network device, wherein the quality of service parameter includes an emergency call related parameter.
12. 12. The method of claim 10 or 11, wherein the third condition further comprises network access by the terminal through an IOT non-terrestrial network NTN.
13. 13. The method according to any of claims 9-12, wherein the first network device comprises a mobility management entity, MME; And/or the second network device comprises at least one of an access network device and an enhanced serving mobile location center, E-SMLC.
14. 14. A position information determining apparatus, comprising: A sending module, configured to send first location information of a terminal to a second network device; a receiving module, configured to receive second location information from the second network device; the second location information is determined based on the first location information, and the second location information is used for indicating information of a serving cell corresponding to the terminal.
15. 15. The apparatus of claim 14, wherein the second location information is for at least one of: Determining a public safety answering point PSAP, wherein the PSAP is used for providing emergency services for the terminal; Paging the terminal.
16. 16. The apparatus according to claim 14 or 15, wherein the sending the first location information of the terminal to the second network device comprises: transmitting first location information of the terminal to the second network device in case that a first condition is satisfied; wherein the first condition includes at least one of: the first network equipment receives a first request message from the second network equipment, wherein the first request message is used for requesting first position information of the terminal; the first network equipment determines that the terminal initiates an emergency call; the first network device determines a paging area of the terminal.
17. 17. The apparatus of claim 16, wherein the first condition further comprises network access by the terminal through an IOT non-terrestrial network NTN, if the first condition comprises the first network device determining that the terminal originated an emergency call or the first network device determining a paging area for the terminal.
18. 18. The apparatus of claim 16 or 17, wherein the determining that the terminal initiated an emergency call comprises: Determining that the terminal initiated an emergency call according to at least one of: The first network equipment receives first indication information, wherein the first indication information is used for indicating the terminal to initiate an emergency call; the first network device receives an emergency registration message from the terminal; The first network device receives a network connection establishment request from the terminal, wherein the network connection establishment request comprises an emergency indication.
19. 19. The apparatus according to any of claims 14-18, wherein the receiving module is further configured to obtain the first location information from the terminal.
20. 20. The apparatus of claim 19, wherein the obtaining the first location information from the terminal comprises: Acquiring the first position information from the terminal in the case that the second condition is determined to be satisfied; wherein the second condition includes at least one of: The first position information is not stored in the first network equipment; the preservation duration of the first position information in the first network equipment exceeds a preset value or the first position information in the first network equipment is invalid; And the terminal performs network access through the IOT NTN.

Description

Method and device for determining position information and network side equipment Technical Field The present application belongs to the field of communication technologies, and in particular, to a method and an apparatus for determining location information, and a network side device. Background For example, when a terminal accesses a network through a satellite, a coverage area of one beam (beam) or one satellite cell is wide due to a high satellite position, for example, the coverage area may reach about 50 km. In this case, for some communication services (such as emergency call and terminal paging) implemented based on the terminal position, the coverage of satellite communication is very wide, so that the accuracy of the terminal position that can be acquired in the communication service is low, for example, the position error may reach about 50 km, which affects the quality of the communication service. Disclosure of Invention The embodiment of the application provides a method and a device for determining position information and network side equipment, which can acquire more accurate terminal position information so as to improve the service quality of communication service realized based on the terminal position. In a first aspect, a method for determining location information is provided, wherein the method comprises the steps that a first network device sends first location information of a terminal to a second network device, the first network device receives second location information from the second network device, the second location information is determined based on the first location information, and the second location information is used for indicating information of a serving cell corresponding to the terminal. In a second aspect, a method for determining location information is provided, wherein the method comprises the steps that second network equipment receives first location information from first network equipment, and the second network equipment sends second location information to the first network equipment, wherein the second location information is determined based on the first location information, and the second location information is used for indicating a serving cell of a terminal. In a third aspect, a determining device of location information is provided, which includes a sending module, configured to send first location information of a terminal to a second network device, and a receiving module, configured to receive second location information from the second network device, where the second location information is determined based on the first location information, and the second location information is used to indicate information of a serving cell corresponding to the terminal. In a fourth aspect, a determining apparatus of location information is provided, which includes a receiving module configured to receive first location information from a first network device, and a transmitting module configured to transmit second location information to the first network device, where the second location information is determined based on the first location information, and the second location information is used to indicate information of a serving cell of a terminal. In a fifth aspect, there is provided a position information determining apparatus configured to perform the steps of the method as described in the first aspect or to implement the steps of the method as described in the second aspect. In a sixth aspect, a network side device is provided, comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method according to the first or second aspect. In a seventh aspect, a network side device is provided, which includes a processor and a communication interface, where the communication interface is configured to send first location information of a terminal to a second network device, and is configured to receive second location information from the second network device, where the second location information is determined based on the first location information, and the second location information is used to indicate information of a serving cell corresponding to the terminal. In an eighth aspect, a network side device is provided, which includes a processor and a communication interface, where the communication interface is configured to receive first location information from a first network device, and send second location information to the first network device, where the second location information is determined based on the first location information, and the second location information is used to indicate a serving cell of a terminal. In a ninth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor, performs the steps of the method according to the first aspect or perfo