Non-orthogonal multiple access with phase predistortion in visible light communication
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AbstractNon-orthogonal multiple access (NOMA) offers a good balance between throughput and fairness for visible light communication (VLC). This work presents a phase pre-distortion method to improve the symbol error rate performance of NOMA uplink with successive interference cancellation (SIC) decoding in VLC. Both theoretical analysis and experimental evaluation have shown that the proposed phase pre-distortion method improves the bit-error-rate (BER) performance for NOMA under both low and high relative power ratios. Specifically, at low relative power ratios, the proposed method can eliminate the possible BER floors and alleviate the power ratio requirement by 2 dB at the BER of 3.8 ×10^−3.
All Author(s) ListXun Guan, Qing Yang, Yang Hong, Chun-Kit Chan
Journal nameOptics Express
Volume Number24
Issue Number22
PublisherOptical Society of America
Place of PublicationUnited States
Pages25816 - 25823
LanguagesEnglish-United States
Keywordsoptical communications

Last updated on 2020-02-12 at 01:25