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IEEE/ICACT20210231 Question.4 Questioner: liuxinwei96@outlook.com 2021-02-10 오후 12:17:06	IEEE/ICACT20210231 Answer.4 Answer by Auhor 201821562016@smail.xtu.edu.cn 2021-02-10 오후 12:17:06
How was data obtained for conducting this study？	The measured data is obtained by obtaining in advance the base station information transmitting mobile communication signals (2G, 4G) in a certain area of the complex urban environment (university campus), including the longitude and latitude information of the base station and the frequency point of the base station transmitting signals. The software radio equipment is used for signal acquisition and analysis, and the acquisition method is actual road test. Then, the comprehensive selection algorithm proposed in this paper is implemented using C ++ programming language to select the best signal. Use the RSS of the selected signal and the latitude and longitude coordinates of the transmitted signal for positioning.

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