Improved Directional Perturbation Algorithm for Collaborative Beamforming
American Journal of Networks and Communications
Volume 6, Issue 4, August 2017, Pages: 62-66
Received: May 30, 2017; Accepted: Jun. 5, 2017; Published: Jul. 13, 2017
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Authors
Jing Guo, Department of Automation, Foshan University, Foshan, China
Chenglin Wen, Department of Automation, Foshan University, Foshan, China
Xu Zhang, Department of Electronic Information, Foshan Polytechnic, Foshan, China
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Abstract
This paper discusses the collaborative beamforming problem using improved directional perturbation approach based on one bit feedback scheme. There are multiple transmitters and one receiver in our setup, all the transmitters send a common signal synchronously, the receiver return a one bit of feedback to the transmitters. Each transmitter uses only the one bit feedback and local information to adjust its phase in every time slot. An algorithm using directional perturbation approach based on one bit feedback is proposed to improve the convergence accuracy. The convergence properties of phase alignment are investigated by simulation, and the simulation results verify that the convergence accuracy of the proposed algorithm outperforms the original algorithm. Moreover, simulations also show that the proposed algorithm has advantages on scalability.
Keywords
Collaborative Beamforming, One Bit Feedback, Directional Perturbation
To cite this article
Jing Guo, Chenglin Wen, Xu Zhang, Improved Directional Perturbation Algorithm for Collaborative Beamforming, American Journal of Networks and Communications. Vol. 6, No. 4, 2017, pp. 62-66. doi: 10.11648/j.ajnc.20170604.11
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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