name: UL-RTOA
full_form: Uplink Relative Time of Arrival
context: The reporting range of additional path reporting for UL Relative Time of Arrival (UL-RTOA), as defined in Clause 5.2.2 of TS 38.215 [4], is defined from -8175Tc to +8175Tc. The reporting resolution is uniform across the reporting range and is defined as T = Tc*2k where k is selected by gNB from the set {0, 1, 2, 3, 4, 5}. Tc is defined in TS 38.211 [6]. LMF provides a recommended resolution parameter, timingReportingGranularityFactor [35]. gNB selects parameter k based on timingReportingGranularityFactor [35] and informs the LMF. The mapping of measured quantity for each reporting resolution (k) is defined in Table 13.1.1A-1 to Table 13.1.1A-6. Table 13.1.1A-1: UL-RTOA measurement report mapping for resolution of Tc (k=0) Table 13.1.1A-2: UL-RTOA measurement report mapping for resolution of 2Tc (k=1) Table 13.1.1A-3: UL-RTOA measurement report mapping for resolution of 4Tc (k=2) Table 13.1.1A-4: UL-RTOA measurement report mapping for resolution of 8Tc (k=3) Table 13.1.1A-5: UL-RTOA
description: UL-RTOA (Uplink Relative Time of Arrival) is a parameter used in 5G New Radio (NR) to measure the relative time of arrival of uplink signals at the gNB. It is defined in TS 38.215 and has a specific reporting range and resolution, which can be adjusted based on the timingReportingGranularityFactor provided by the LMF.
explanation: UL-RTOA is classified as a parameter because it is a measurable quantity with a specific value that can be configured or adjusted to control network behavior. The text describes its role in measuring uplink signal arrival times and its dependence on factors like timingReportingGranularityFactor.
section_title: 13.1.1AAdditional Path Report Mapping for UL-RTOA
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