Diversity Order Results for MIMO Optical Wireless Communications

Abstract
An optical wireless multiple-input multiple-output (MIMO) communication system employing intensity-modulation direct-detection (IM/DD) is considered. The maximal diversity order of the channel is characterized by studying the outage probability. Then, spatial repetition coding (RC) is shown to be diversity-optimal as it achieves the channel’s maximal diversity order. This diversity order is given by a simple expression which is suitable for any channel statistics of practical interest. The results are specialized to some practical channel statistics, and numerical results are provided to verify the results.

Citation
Sapenov Y, Chaaban A, Rezki Z, Abdallah M, Qaraqe K, et al. (2017) Diversity Order Results for MIMO Optical Wireless Communications. IEEE Wireless Communications Letters: 1–1. Available: http://dx.doi.org/10.1109/LWC.2017.2755011.

Acknowledgements
This publication was made possible by NPRP grant number 9-077-2-036 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.

Publisher
Institute of Electrical and Electronics Engineers (IEEE)

Journal
IEEE Wireless Communications Letters

DOI
10.1109/LWC.2017.2755011

Additional Links
http://ieeexplore.ieee.org/document/8048020/

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