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Content for TS 43.059 Word version: 18.0.0

1… 5… 9…

9.1 Positioning Procedure Initiation 9.2 Common Positioning Procedure for CS Domain in A/Gb mode 9.2a Common Positioning Procedure for PS Domain in A/Gb mode 9.2b Common Positioning Procedure for Iu mode 9.2c GPRS Cell Change for the PS Domain in A/Gb mode 9.3 TA Based Positioning in CS Domain for A/Gb-mode 9.3a TA Based Positioning in PS Domain for A/Gb-mode 9.4 E-OTD and A-GNSS Positioning Procedures 9.5 U-TDOA Positioning Procedures 9.6 Multilateration Positioning Methods 10.1 SMLC 10.2 Recovery and Restoration Procedures

9 Positioning procedures p. 46

9.1 Positioning Procedure Initiation p. 46

9.1.1 Core Network Position Procedure Initiation over the A interface p. 46

9.1.2 Positioning Procedure Initiation from an Internal LCS Client for the CS Domain (A/Gb mode) p. 47

9.1.3 Core Network Position Procedure Initiation over the Gb interface |R5| p. 47

9.1.3a Core Network Position Procedure Initiation over the Gb interface for Multilateration Positioning methods |R14| p. 48

9.1.4 Positioning Procedure Initiation from Core Network (Iu mode) |R5| p. 49

9.1.5 Positioning Procedure Initiation from Internal LCS Client (Iu mode) |R5| p. 49

9.2 Common Positioning Procedure for CS Domain in A/Gb mode p. 49

9.2a Common Positioning Procedure for PS Domain in A/Gb mode |R5| p. 50

9.2b Common Positioning Procedure for Iu mode |R5| p. 51

9.2c GPRS Cell Change for the PS Domain in A/Gb mode |R5| p. 52

9.2c.1 Intra-BSS Cell Change p. 52

9.2c.2 Inter-BSS Cell Change p. 52

9.3 TA Based Positioning in CS Domain for A/Gb-mode p. 53

9.3.1 Definition of TA states p. 53

9.3.1.1 MS in IDLE State p. 53

9.3.1.2 MS in DEDICATED State p. 53

9.3.2 TA Positioning Procedure p. 54

9.3.3 Unsuccessful TA positioning procedure in BSC p. 54

9.3a TA Based Positioning in PS Domain for A/Gb-mode |R5| p. 54

9.3a.1 Definition of PS Domain TA Modes p. 55

9.3a.1.1 MS in Packet Idle Mode p. 55

9.3a.1.2 MS in Packet Transfer Mode p. 55

9.3a.2 TA Positioning Procedure p. 55

9.3a.2a TA Positioning Procedure for an MS in EC operation |R13| p. 56

9.3a.3 Unsuccessful TA positioning procedure in BSS p. 57

9.4 E-OTD and A-GNSS Positioning Procedures p. 57

9.4.1 General procedures p. 57

9.4.2 Positioning Request p. 57

9.4.3 Assistance Data Delivery p. 58

9.4.3a Positioning Capability Transfer |R7| p. 59

9.4.4 Error Handling for E-OTD and A-GNSS in CS Domain p. 60

9.4.5 Error Handling for the SMLC in CS Domain p. 61

9.4.5a Error Handling for E-OTD and A-GNSS in PS Domain |R5| p. 61

9.4.6 Broadcast of Assistance Data p. 62

9.4.6.1 Point-To-Multipoint Assistance Data Broadcast Flow p. 62

9.4.6.2 Ciphering p. 63

9.4.6.2.1 Algorithm p. 63

9.4.6.3 Deciphering key control and delivery to MS p. 64

9.5 U-TDOA Positioning Procedures |R6| p. 66

9.5.0 General p. 66

9.5.1 U-TDOA Positioning in CS Domain for A/Gb-mode p. 66

9.5.1.1 General Procedures p. 66

9.5.1.2 CS U-TDOA Messages and Procedures on the Lb Interface p. 66

9.5.1.3 RR Procedure effecting the CS U-TDOA channel description p. 67

9.5.1.4 BSC Error Handling during CS U-TDOA Positioning Procedure p. 68

9.5.2 U-TDOA Positioning in PS Domain for A/Gb-mode p. 68

9.5.2.1 Introduction p. 68

9.5.2.2 General Procedures p. 68

9.5.2.2.1 MS in packet idle mode p. 69

9.5.2.2.2 MS in packet transfer mode p. 69

9.5.2.3 PS U-TDOA Messages and Procedures on the Lb Interface p. 69

9.5.2.4 RLC/MAC Procedure affecting the PS U-TDOA TBF description p. 70

9.5.2.5 Error Handling during PS U-TDOA Positioning Procedure p. 70

9.6 Multilateration Positioning Methods |R14| p. 71

9.6.1 General p. 71

9.6.2 Multilateration Timing Advance p. 71

9.6.2.1 General procedure p. 71

9.6.2.2 Multilateration Timing Advance Request p. 72

9.6.2.3 Error Handling for MTA p. 75

9.6.2.4 Assistance Information p. 76

9.6.2.4.1 Assistance Information Transfer p. 76

9.6.2.4.2 Provisioning of Assistance Information to the MS p. 76

9.6.3 Multilateration OTD p. 77

9.6.3.1 General Procedure p. 77

9.6.3.2 Multilateration Observed Time Difference Measurements p. 77

9.6.3.3 Error Handling for MOTD p. 80

9.6.3.4 Network Assistance Information for Multilateration OTD p. 80

10 Information storage p. 80

10.1 SMLC p. 80

10.2 Recovery and Restoration Procedures p. 81

$ Change History p. 82