Toward 6G with Terahertz Communications: Understanding the Propagation Channels

16 Sep 2022  ·  Xuesong Cai, Xiang Cheng, Fredrik Tufvesson ·

This article aims at providing insights for a comprehensive understanding of terahertz (THz) propagation channels. Specifically, we discuss essential THz channel characteristics to be well understood for the success of THz communications. The methodology of establishing realistic and 6G-compliant THz channel models based on measurements is then elaborated on, followed by a discussion on existing THz channel measurements in the literature. Finally, future research directions, challenges and measures to enrich the understanding of THz channels are discussed.

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