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Summary of Agreements by Topic
Accuracy Improvements by Mitigating UE Rx/Tx and gNB
Rx/Tx Timing Delays
- UE Tx TEG Association Reporting:
- Configuration of UE Tx TEG association information
reporting was clarified and endorsed.
- Final CR agreed to specify the reporting framework for UE
Tx TEG association information.
- UE TEG Margin Value Reporting:
- Agreement to define the reporting framework for UE TEG
margin values.
- Final CR endorsed to specify the margin values for
Rx/RxTx TEGs.
Accuracy Improvements for UL-AoA and DL-AoD Positioning
Solutions
- Clarification of Reporting Limits:
- Maximum number of DL PRS-RSRPs and DL PRS-RSRPPs for the
first path per TRP is set to 32 for DL-TDOA and Multi-RTT. No specification
changes needed.
Multipath/NLOS Mitigation
- RSRPP and RSTD Measurement:
- UE behavior clarified for using the same first path for
DL PRS RSRPP and DL PRS RSTD measurements on the same DL PRS resource.
- No specification changes required.
Latency Improvements for DL and DL+UL Positioning Methods
- Priority States in PRS Processing Window:
- Priority between PRS and SSB clarified. PRS priority states
(st1, st2, st3) defined for handling DL PRS within the processing window.
- Final CR endorsed to specify priority handling.
- PRS and UL Collision Handling:
- RAN1 decided not to define collision detection timelines
between PRS and UL signals in the processing window.
- PRS Processing Window in RACH Procedure:
- Clarifications provided for PRS reception during RACH
procedures.
Positioning for UEs in RRC_INACTIVE State
- SRS Transmission Rules:
- Clarified switching time for SRS transmission outside the
initial UL BWP in RRC_INACTIVE state.
- Supported SRS transmission in paired spectrum (SUL) with
collision handling rules.
Editorial Corrections
- DL-AoD Priority Subset:
- Editorial corrections made to clarify the subset of DL
PRS resources for prioritization in DL-AoD measurement reporting.
- General NR Positioning Enhancements:
- Various editorial corrections provided for alignment in
TS38.214, including clarifications on PRS configuration and reporting.
Other Agreements
- DL PRS Subcarrier Spacing for FR2-2:
- DL PRS with 480/960 kHz SCS not supported in FR2-2 for
Rel-17.
- Companies had differing views on SRS for positioning with
480/960 kHz SCS in FR2-2, and no optimization was pursued.
- Alignment CRs:
- Several editorial corrections endorsed for alignment in
TS38.214, including corrections to PRS reception procedures, priority
handling, and reporting frameworks.
This summary consolidates the agreements across various
topics without referencing specific CRs.