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1. WO2020198052 - SYSTÈMES ET PROCÉDÉS DE PRISE EN CHARGE DE DONNÉES D'ALMANACH DE STATION DE BASE SÉCURISÉES DANS UN RÉSEAU SANS FIL

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CLAIMS

WHAT IS CLAIMED IS:

1. A method performed by a user equipment (UE), the method comprising: receiving a base station almanac (BSA) from a network node of a wireless communication network, the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

receiving a change notification from the network node, the change notification including information on changes to positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations;

applying changes to the positioning signal parameters of the positioning signals in accordance with the change notification;

receiving a plurality of positioning signals from the plurality of base stations; and

determining a UE position based on the plurality of positioning signals, the positioning signal parameters of the plurality of positioning signals, the BSA, and the change notification.

2. The method of claim 1, wherein the change notification comprises information on changes to cell-IDs corresponding to the one or more base stations to change a mapping of the cell-IDs to the one or more base stations in the BSA.

3. The method of claim 1, wherein the change notification comprises information on changes to positioning reference signal (PRS) IDs corresponding to the one or more base stations to change a mapping of the PRS-IDs to locations of the one or more base stations in the BSA.

4. The method of claim 1, wherein the change notification comprises information on changes to PRS configurations corresponding to the one or more base stations to change a mapping of the PRS configurations to the one or more base stations in the BSA.

5. The method of claim 4, wherein the changes to the PRS configurations comprise changes to beam shapes defined by the PRS configurations.

6. The method of claim 1, wherein the change notification comprises information on changes to a mapping of synchronization signal block (SSB) indexes to corresponding beam shapes for the one or more base stations.

7. The method of claim 1, wherein the change notification comprises information on changes to timing delays of the positioning signals transmitted by the one or more base stations.

8. The method of claim 1, wherein the change notification comprises information on changes to antenna panel orientations of the one or more base stations.

9. The method of claim 1, wherein applying the changes to the positioning signal parameters of the positioning signals comprises changing one or more positioning signal parameters of the one or more base stations deterministically.

10. The method of claim 9, wherein the change notification comprises information on the one or more positioning signal parameters of the one or more base stations that are to be determined deterministically.

11. The method of claim 1, wherein the BSA and/or the change notification received from the network node are encrypted, the method further comprising:

decrypting the BSA and/or the change notification.

12. The method of claim 1, wherein the changes to the positioning signal parameters are applied at one or more predefined times.

13. A method performed by a network node of a wireless communication network, the method comprising:

transmitting a base station almanac (BSA) to a user equipment (UE), the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

changing one or more positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations; and

transmitting a change notification to the UE, the change notification including information on changes to the positioning signal parameters.

14. The method of claim 13, wherein the change notification comprises information on changes to cell-IDs corresponding to the one or more base stations to change a mapping of the cell-IDs to the one or more base stations in the BSA.

15. The method of claim 13, wherein the change notification comprises information on changes to positioning reference signal (PRS) IDs corresponding to the one or more base stations to change a mapping of the PRS-IDs to locations of the one or more base stations in the BSA.

16. The method of claim 13, wherein the change notification comprises information on changes to PRS configurations corresponding to the one or more base stations to change a mapping of the PRS configurations to the one or more base stations in the BSA.

17. The method of claim 16, wherein the changes to the PRS configurations comprise changes to beam shapes defined by the PRS configurations.

18. The method of claim 13, wherein the change notification comprises information on changes to a mapping of synchronization signal block (SSB) indexes to corresponding beam shapes for the one or more base stations.

19. The method of claim 13, wherein the change notification comprises information on changes to timing delays of the positioning signals transmitted by the one or more base stations.

20. The method of claim 13, wherein the change notification comprises information on changes to antenna panel orientations of the one or more base stations.

21. The method of claim 13, wherein applying the changes to the positioning signal parameters of the positioning signals comprises changing one or more positioning signal parameters of the one or more base stations deterministically.

22. The method of claim 21, wherein the change notification comprises information on the one or more positioning signal parameters of wherein the changes to the positioning signal parameters are applied at one or more predefined times.

23. The method of claim 13, wherein the BSA and the change notification are encrypted before being transmitted.

24. A user equipment (UE), comprising:

a memory;

at least one transceiver; and

at least one processor communicatively coupled to the memory and the at least one transceiver, the at least one processor configured to:

receive, via the at least one transceiver, a base station almanac (BSA) from a network node of a wireless communication network, the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

receive, via the at least one transceiver, a change notification from the network node, the change notification including information on changes to positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations;

apply changes to the positioning signal parameters of the positioning signals in accordance with the change notification;

receive, via the at least one transceiver, a plurality of positioning signals from the plurality of base stations; and

determine a UE position based on the plurality of positioning signals, the positioning signal parameters of the plurality of positioning signals, the BSA, and the change notification.

25. The UE of claim 24, wherein the change notification comprises information on changes to cell-IDs corresponding to the one or more base stations to change a mapping of the cell-IDs to the one or more base stations in the BSA.

26. The UE of claim 24, wherein the change notification comprises information on changes to positioning reference signal (PRS) IDs corresponding to the one or more base stations to change a mapping of the PRS-IDs to locations of the one or more base stations in the BSA.

27. The UE of claim 24, wherein the change notification comprises information on changes to PRS configurations corresponding to the one or more base stations to change a mapping of the PRS configurations to the one or more base stations in the BSA.

28. The UE of claim 27, wherein the changes to the PRS configurations comprise changes to beam shapes defined by the PRS configurations.

29. The UE of claim 24, wherein the change notification comprises information on changes to a mapping of synchronization signal block (SSB) indexes to corresponding beam shapes for the one or more base stations.

30. The UE of claim 24, wherein the change notification comprises information on changes to timing delays of the positioning signals transmitted by the one or more base stations.

31. The UE of claim 24, wherein the change notification comprises information on changes to antenna panel orientations of the one or more base stations.

32. The UE of claim 24, wherein the at least one processor being configured to apply the changes to the positioning signal parameters of the positioning signals comprises the at least one processor being configured to change one or more positioning signal parameters of the one or more base stations deterministically.

33. The UE of claim 32, wherein the change notification comprises information on the one or more positioning signal parameters of the one or more base stations that are to be determined deterministically.

34. The UE of claim 24, wherein:

the BSA and/or the change notification received from the network node are encrypted, and

the at least one processor is further configured to decrypt the BSA and/or the change notification.

35. The UE of claim 24, wherein the changes to the positioning signal parameters are applied at one or more predefined times.

36. A network node of a wireless communication network, comprising: a memory;

a communication device; and

at least one processor communicatively coupled to the memory and the communication device, the at least one processor configured to:

cause the communication device to transmit a base station almanac (BSA) to a user equipment (UE), the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

change one or more positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations; and

cause the communication device to transmit a change notification to the UE, the change notification including information on changes to the positioning signal parameters.

37. The network node of claim 36, wherein the change notification comprises information on changes to cell-IDs corresponding to the one or more base stations to change a mapping of the cell-IDs to the one or more base stations in the BSA.

38. The network node of claim 36, wherein the change notification comprises information on changes to positioning reference signal (PRS) IDs corresponding to the one or more base stations to change a mapping of the PRS-IDs to locations of the one or more base stations in the BSA.

39. The network node of claim 36, wherein the change notification comprises information on changes to PRS configurations corresponding to the one or more base stations to change a mapping of the PRS configurations to the one or more base stations in the BSA.

40. The network node of claim 39, wherein the changes to the PRS configurations comprise changes to beam shapes defined by the PRS configurations.

41. The network node of claim 36, wherein the change notification comprises information on changes to a mapping of synchronization signal block (SSB) indexes to corresponding beam shapes for the one or more base stations.

42. The network node of claim 36, wherein the change notification comprises information on changes to timing delays of the positioning signals transmitted by the one or more base stations.

43. The network node of claim 36, wherein the change notification comprises information on changes to antenna panel orientations of the one or more base stations.

44. The network node of claim 36, wherein the at least one processor being configured to change the positioning signal parameters of the positioning signals comprises the at least one processor being configured to change one or more positioning signal parameters of the one or more base stations deterministically.

45. The network node of claim 44, wherein the change notification comprises information on the one or more positioning signal parameters of wherein the changes to the positioning signal parameters are applied at one or more predefined times.

46. The network node of claim 36, wherein the BSA and the change notification are encrypted before being transmitted.

47. The network node of claim 36, wherein the network node is a serving base station, and wherein the communication device comprises at least one transceiver.

48. The network node of claim 36, wherein the network node is a location server, and wherein the communication device comprises at least one network interface.

49. A user equipment (UE), comprising:

means for receiving a base station almanac (BSA) from a network node of a wireless communication network, the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

means for receiving a change notification from the network node, the change notification including information on changes to positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations;

means for applying changes to the positioning signal parameters of the positioning signals in accordance with the change notification;

means for receiving a plurality of positioning signals from the plurality of base stations; and

means for determining a UE position based on the plurality of positioning signals, the positioning signal parameters of the plurality of positioning signals, the BSA, and the change notification.

50. A network node of a wireless communication network, comprising: means for transmitting a base station almanac (BSA) to a user equipment (UE), the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

means for changing one or more positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations; and means for transmitting a change notification to the UE, the change notification including information on changes to the positioning signal parameters.

51. A non-transitory computer-readable medium storing computer-executable instructions, the computer-executable instructions comprising:

at least one instruction instructing a user equipment (UE) to receive a base station almanac (BSA) from a network node of a wireless communication network, the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

at least one instruction instructing the UE to receive a change notification from the network node, the change notification including information on changes to positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations;

at least one instruction instructing the UE to apply changes to the positioning signal parameters of the positioning signals in accordance with the change notification; at least one instruction instructing the UE to receive a plurality of positioning signals from the plurality of base stations; and

at least one instruction instructing the UE to determine a UE position based on the plurality of positioning signals, the positioning signal parameters of the plurality of positioning signals, the BSA, and the change notification.

52. A non-transitory computer-readable medium storing computer-executable instructions, the computer-executable instructions comprising:

at least one instruction instructing a network node to transmit a base station almanac (BSA) to a user equipment (UE), the BSA including information for a plurality of base stations in the wireless communication network including a location of each base station of the plurality of base stations;

at least one instruction instructing the network node to change one or more positioning signal parameters of positioning signals transmitted from one or more base stations of the plurality of base stations; and

at least one instruction instructing the network node to transmit a change notification to the UE, the change notification including information on changes to the positioning signal parameters.