name: RSTD
full_form: Reference Signal Time Difference
context: A first DL RSTD measurement is reported by means of differential reporting, i.e. as RSTD, relative to a second DL RSTD measurement (RSTD2), provided that: - the absolute measured quantity value of the second DL RSTD measurement (RSTD2) is not larger than the absolute measured quantity value of the first DL RSTD measurement (RSTD1), i.e., RSTD=RSTD1-RSTD2â¥0, and - the absolute value of the second DL RSTD measurement (RSTD2) is reported together with RSTD for the first DL RSTD measurement. The reporting range for differential reporting RSTD of the first DL RSTD measurement is defined from 0 up to 8191Tc with the resolution step of 2kTc, where Tc is defined in TS 38.211 [6], kminâ¤kâ¤kmax, kmin=[2] and kmax=5, when configured PRS resource of at least one of the reference cell and neighbor cell measured for the first RSTD measurement or second RSTD measurement is in FR1, kmin=0 and kmax=5, when configured PRS resource of both the reference cell and neighbor cell measured for both of the
description: Reference Signal Time Difference (RSTD) is a network performance metric used to measure the time difference between two downlink reference signals in a cellular network. It is an important parameter for evaluating the synchronization and timing alignment of base stations.
explanation: The text explicitly states that RSTD is a "network performance metric" used to "measure the time difference" between signals, indicating its role as a quantifiable aspect of network behavior.
section_title: 10.1.23.3.2Differential Reporting for DL RSTD Measurement
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