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MIMO Beamforming for Secure and Energy-Efficient Wireless Communication

Author(s): Nghia, Nguyen T; Tuan, Hoang D; Duong, Trung Q; Poor, H Vincent

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Abstract: Considering a multiple-user multiple-input multiple-output channel with an eavesdropper, this letter develops a beamformer design to optimize the energy efficiency in terms of secrecy bits per Joule under secrecy quality-of-service constraints. This is a very difficult design problem with no available exact solution techniques. A path-following procedure, which iteratively improves its feasible points by using a simple quadratic program of moderate dimension, is proposed. Under any fixed computational tolerance, the procedure terminates after finitely many iterations, yielding at least a locally optimal solution. Simulation results show the superior performance of the obtained algorithm over other existing methods.
Publication Date: 5-Jan-2017
Citation: Nghia, Nguyen T, Tuan, Hoang D, Duong, Trung Q, Poor, H Vincent. (2017). MIMO Beamforming for Secure and Energy-Efficient Wireless Communication. IEEE Signal Processing Letters, 24 (2), 236 - 239. doi:10.1109/lsp.2017.2647982
DOI: doi:10.1109/lsp.2017.2647982
ISSN: 1070-9908
EISSN: 1558-2361
Pages: 236 - 239
Type of Material: Journal Article
Journal/Proceeding Title: IEEE Signal Processing Letters
Version: Author's manuscript

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