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|Title:||Performance of a precoding MIMO system for decentralized multiuser indoor visible light communications||Authors:||Hong, Y.
|Keywords:||light-emitting diode (LED)
multi-user (MU) MIMO
Visible light communication (VLC)
|Issue Date:||2013||Citation:||Hong, Y., Chen, J., Wang, Z., Yu, C. (2013). Performance of a precoding MIMO system for decentralized multiuser indoor visible light communications. IEEE Photonics Journal 5 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1109/JPHOT.2013.2274766||Abstract:||This paper investigates the performance of our recently proposed precoding multiuser (MU) MIMO system in indoor visible light communications (VLC). The transmitted data of decentralized users are transmitted by light-emitting-diode (LED) arrays after precoding in a transmitter, by which the MU interference is eliminated. Thus, the complexity of user terminals could be reduced, which results in the reduction of power consumption. The limitation of block diagonalization precoding algorithm in VLC systems is investigated. The corresponding solution by utilizing optical detectors with different fields of view (FOV) is derived, and the impact of FOV to the proposed system is also analyzed. In this paper, we focus on BER and signal-to-noise-ratio performances of the proposed system with the consideration of the mobility of user terminals. Simulation results show that the majority of the indoor region can achieve 100 Mb/s at a BER of 10- 6 when single LED chip's power is larger than 10 mW. © 2009-2012 IEEE.||Source Title:||IEEE Photonics Journal||URI:||http://scholarbank.nus.edu.sg/handle/10635/82879||ISSN:||19430655||DOI:||10.1109/JPHOT.2013.2274766|
|Appears in Collections:||Staff Publications|
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