The Effect of Coupling on Antenna Array Beamforming at Millimeter-Wave Frequencies

Pablo H. Zapata Cano, Zaharias D. Zaharis, Haya Al-Kassir, Ioannis Mallioras, Pavlos Lazaridis, Traianos V. Yioultsis, Nikolaos V. Kantartzis

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

Millimeter-wave data links (at 28, 38 and 60 GHz) state as a key enabler for future communications. At these frequencies, the high propagation losses demand for the utilization of very directive antennas, which make techniques like adaptive beamforming play a big role. Among multiple existing beamforming algorithms, techniques like null steering beamforming provide with a very accurate placement of nulls and main lobe of the radiation pattern. However, these methods often remain efficient only under theoretical scenarios, in which the array is considered to be composed of uncoupled isotropic point sources. In this work, a study is conducted on the effect of antenna array coupling on the realistic performance of the null steering beamforming algorithm. Two different antenna arrays, a linear and a planar one, are designed and simulated, and the presence of mutual coupling is studied on both of them.

Original languageEnglish
Title of host publication2022 25th International Symposium on Wireless Personal Multimedia Communications, WPMC 2022
PublisherIEEE Computer Society
Pages442-446
Number of pages5
ISBN (Electronic)9781665473187
ISBN (Print)9781665473194
DOIs
Publication statusPublished - 20 Jan 2023
Event25th International Symposium on Wireless Personal Multimedia Communications - Herning, Denmark
Duration: 30 Oct 20222 Nov 2022
Conference number: 25

Publication series

NameInternational Symposium on Wireless Personal Multimedia Communications, WPMC
PublisherIEEE
ISSN (Print)1347-6890
ISSN (Electronic)1882-5621

Conference

Conference25th International Symposium on Wireless Personal Multimedia Communications
Abbreviated titleWPMC 2022
Country/TerritoryDenmark
CityHerning
Period30/10/222/11/22

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