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ISSN:
1796-2021 (Online); 2374-4367 (Print)
Abbreviated Title:
J. Commun.
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Monthly
DOI:
10.12720/jcm
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Editor-in-Chief
Prof. Maode Ma
College of Engineering, Qatar University, Doha, Qatar
I'm very happy and honored to take on the position of editor-in-chief of JCM, which is a high-quality journal with potential and I'll try my every effort to bring JCM to a next level...
[Read More]
What's New
2024-04-17
Volume 19, No. 3 has been indexed by Scopus.
2024-04-17
Volume 19, No. 2 has been indexed by Scopus.
2024-04-17
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Volume 18, No. 2, February 2023
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An Efficient Beamformer for Interference Suppression Using Rectangular Antenna Arrays
H. M. Kha, T. V. Luyen*, and N. V. Cuong
Hanoi University of Industry, Hanoi, Vietnam
Manuscript received July 12, 2022; revised November 22, 2022; accepted January 23, 2023.
Abstract
—Over the past ten years, the development of fifth-generation cellular network technology opens the door to the deployment of huge sensors inside the Internet of Things (IoT), challenging the technologies of communications. IoT establishes wireless communication between numerous physical things to connect them over the Internet, as a result, these things may seriously pollute the environment for electromagnetic propagation. This paper proposes an efficient beamformer based on binary bat algorithm for interference suppression in wireless technology applications. The proposed beamformer utilizes the technique of controlling only the phase of excitation weights in uniform rectangular arrays. This beamformer can produce optimal patterns with minimal distortions in sidelobe regions while maintaining the main lobe and placing nulls in the direction of interfering signals. To demonstrate this ability, the proposed beamformer is evaluated through several scenarios and compared to a beamformer based on Binary Particle Swarm Optimization (BPSO). The results show that the proposed beamformer maintains the main lobe toward the desired user direction while imposing nulls in unwanted user directions (interferences) and that it surpassed BPSO-based beamformers in terms of convergence speed and interference suppression ability.
Keywords
—Beamforming, interference suppression, pattern nulling, uniform rectangular arrays, binary bat algorithm
Cite: H. M. Kha, T. V. Luyen, and N. V. Cuong, "An Efficient Beamformer for Interference Suppression Using Rectangular Antenna Arrays," Journal of Communications vol. 18, no. 2, pp. 116-122, February 2023. Doi: 10.12720/jcm.18.2.116-122
Copyright © 2023 by the authors. This is an open access article distributed under the Creative Commons Attribution License (
CC BY-NC-ND 4.0
), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.
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