How many beams does sub-THz channel support
Pekka Kyösti, Pekka; De Guzman, Mar Francis; Haneda, Katsuyuki; Tervo, Nuutti; Pärssinen, Aarno (2021-10-07)
P. Kyösti, M. F. De Guzman, K. Haneda, N. Tervo and A. Pärssinen, "How Many Beams Does Sub-THz Channel Support?," in IEEE Antennas and Wireless Propagation Letters, vol. 21, no. 1, pp. 74-78, Jan. 2022, doi: 10.1109/LAWP.2021.3118464
This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/.
https://creativecommons.org/licenses/by/4.0/
https://urn.fi/URN:NBN:fi-fe2021122061789
Tiivistelmä
Abstract
Antenna, radio frequency (RF) circuit, algorithm, and system researchers on sub-THz RF are interested in knowing characteristics of corresponding radio channels. Among other things, a relevant question is the number of beams supported by the channel. From wideband directional propagation measurements one can estimate how many significant paths are present in a measurement location, but interpreting that to separable beams is not trivial. In this letter, we introduce three methods to approximate the number of beams that a measured power angular delay profile can support. We show also example evaluations and distribution functions of beam numbers, estimated from indoor D-band measurement data.
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