Terahertz Communications: A 2020 vision

  • Koch M
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We discuss basic considerations for potential short-range THz communication systems which may replace or supplement present WLAN systems in 10–15 years from now. On the basis of a few fundamental estimations we show that such a system will need a line-of-sight connection between receiver and emitter. To circumvent the blocking of the direct line-of-sight connection indoor THz communication systems will also have to rely on non-line-of-sight paths which involve reflections off the walls. The reflectivity of the walls can be enhanced by dielectric mirrors. This new scheme makes steerable high-gain antennas a necessity. Hence, a wireless THz communication system can not be a simple extension of the existing technology of today’s local area networks. Instead it involves completely new concepts and ideas that have not yet been worked upon.




Koch, M. (2007). Terahertz Communications: A 2020 vision. In Terahertz Frequency Detection and Identification of Materials and Objects (pp. 325–338). Springer Netherlands. https://doi.org/10.1007/978-1-4020-6503-3_18

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