With the development of communication technology, people's requirements for information transmission rate are getting higher and higher. Compared with the previous sub 6G frequency band, terahertz communication has a larger bandwidth and a higher rate. This paper studies the influence of azimuth angle of arrival (AoA) and azimuth angle of departure (AoD) on the received signal strength in the 220 GHz-320 GHz frequency band, as well as the influence of the signal passing through different obstacles, different dry humidity and material thickness on the signal power.
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