name: SL-RSTD
full_form: Sidelink Reference Signal Time Difference
context: The SL-TDOA positioning method makes use of SL-RSTD (and optionally SL-PRS-RSRP and/or SL-PRS-RSRPP) of sidelink signals received at the target UE from two or more peer UEs (e.g., anchor UEs). The target UE measures the SL-RSTD (and optionally SL-PRS-RSRP and/or SL-PRS-RSRPP) of the received sidelink signals transmitted by two or more peer UEs. SL-RSTD measurements between a target UE and multiple peer UEs can be used to determine the location of the target UE relative to the locations of the peer UEs (e.g., anchor UEs). The operation of the SL-TDOA positioning method is described in clause 8.15.4.
description: SL-RSTD refers to a critical network attribute used for positioning and location determination in sidelink communications, specifically within the context of the SL-TDOA (Sidelink Time Difference of Arrival) method. It is measured by the target UE from received sidelink signals transmitted by peer UEs.
explanation: The text explicitly states that SL-RSTD is a parameter used for positioning and location determination in sidelink communications, making it a network attribute.
section_title: 4.3.16.3Sidelink Time Difference of Arrival (SL-TDOA)
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