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Title: On the performance of MIMO-NOMA-based visible light communication systems
Authors: Chen, Chen
Zhong, Wen-De
Yang, Helin
Du, Pengfei
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Chen, C., Zhong, W.-D., Yang, H., & Du, P. (2018). On the performance of MIMO-NOMA-Based visible light communication systems. IEEE Photonics Technology Letters, 30(4), 307-310. doi:10.1109/lpt.2017.2785964
Journal: IEEE Photonics Technology Letters
Abstract: In this letter, we apply the non-orthogonal multiple access (NOMA) technique to improve the achievable sum rate of multiple-input multiple-output (MIMO)-based multi-user visible light communication (VLC) systems. To ensure efficient and low-complexity power allocation in indoor MIMO-NOMA-based VLC systems, a normalized gain difference power allocation (NGDPA) method is first proposed by exploiting users' channel conditions. We investigate the performance of an indoor 2× 2 MIMO-NOMA-based multi-user VLC system through numerical simulations. The obtained results show that the achievable sum rate of the 2× 2 MIMO-VLC system can be significantly improved by employing NOMA with the proposed NGDPA method. It is demonstrated that NOMA with NGDPA achieves a sum rate improvement of up to 29.1% compared with NOMA with the gain ratio power allocation method in the 2× 2 MIMO-VLC system with three users.
ISSN: 1041-1135
DOI: 10.1109/LPT.2017.2785964
Rights: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
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Fulltext Availability: No Fulltext
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