Content for TR 38.859 Word version: 18.1.0
5 Sidelink positioning
5.0 Study objectives
5.1 Sidelink positioning scenarios and requirements
5.2 Potential solutions for sidelink positioning
5.3 Summary of sidelink positioning evaluations
5.4 Potential specification impact for sidelink positioning
6 Positioning enhancements for improved integrity, accuracy, and power efficiency
6.1 Integrity for RAT-dependent positioning techniques
6.2 PRS / SRS bandwidth aggregation
6.3 NR carrier phase positioning
6.4 Low power high accuracy positioning
6.5 Positioning of UEs with reduced capabilities
5 Sidelink positioning p. 14
5.0 Study objectives p. 14
5.1 Sidelink positioning scenarios and requirements p. 14
5.2 Potential solutions for sidelink positioning p. 16
5.2.1 Physical layer aspects for SL positioning solutions p. 16
5.2.1.1 Positioning Methods for SL Positioning p. 16
5.2.1.2 Physical layer structure and reference signal design for SL positioning p. 17
5.2.1.3 Physical layer procedures for SL positioning p. 18
5.2.2 Potential architecture and signaling procedures for sidelink positioning p. 21
5.3 Summary of sidelink positioning evaluations p. 22
5.3.1 Evaluation of bandwidth requirements to meet identified accuracy requirements p. 22
5.3.2 Evaluation of absolute positioning, relative positioning, and ranging methods p. 34
5.4 Potential specification impact for sidelink positioning p. 35
6 Positioning enhancements for improved integrity, accuracy, and power efficiency p. 36
6.1 Integrity for RAT-dependent positioning techniques p. 36
6.1.0 Study objectives p. 36
6.1.1 Identification of error sources p. 36
6.1.2 Methodologies, procedures and signaling for determination of positioning integrity p. 39
6.1.3 Summary of evaluation results for integrity for RAT-dependent positioning techniques p. 40
6.1.4 Potential specification impact for integrity for RAT-dependent positioning techniques p. 40
6.2 PRS / SRS bandwidth aggregation p. 40
6.2.0 Study objectives p. 40
6.2.1 Potential solutions based on PRS / SRS bandwidth aggregation p. 40
6.2.2 Summary of evaluations for PRS/SRS bandwidth aggregation p. 41
6.2.3 Potential specification impact for PRS/SRS bandwidth aggregation p. 41
6.3 NR carrier phase positioning p. 41
6.3.0 Study objectives p. 41
6.3.1 Potential solutions for NR carrier phase positioning p. 41
6.3.1.1 Reference signals for NR carrier phase positioning p. 41
6.3.1.2 Physical layer measurements for NR carrier phase positioning p. 42
6.3.1.3 Physical layer procedures for NR carrier phase positioning p. 42
6.3.2 Summary of evaluations for NR carrier phase positioning p. 43
6.3.3 Potential specification impact for NR carrier phase positioning p. 51
6.4 Low power high accuracy positioning p. 52
6.4.0 Study objectives p. 52
6.4.1 Target use cases and requirements for low power high accuracy positioning p. 52
6.4.2 Potential enhancements for low power high accuracy positioning p. 53
6.4.3 Summary of evaluations for low power high accuracy positioning p. 54
6.4.4 Potential specification impact for low power high accuracy positioning p. 83
6.5 Positioning of UEs with reduced capabilities p. 84
