Abstract
The second part of the study on 5G NR network positioning technology with meter accuracy modeling is devoted to the procedures for range-difference measurements processing based on configured PRS positioning reference signals with the resulting estimate of the user equipment coordinates based on observed time difference of arrival (OTDOA) of the signals. The software implementation of the procedures for PRS signals primary and secondary processing in the simulation model uses the built-in functions of the 5G Toolbox extension package of the special MATLAB software. The assessment of the positioning accuracy of user devices in 5G NR networks using simulation modeling in the FR1 range shows that the accuracy of coordinate estimates of less than one meter is achieved when increasing the bandwidth from 50 to 60 MHz with the maximum positioning accuracy in the FR2 band in a channel having a bandwidth of 400 MHz and a sampling rate of 491.52 MHz was 0.2 m.
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