Journal
IEEE PHOTONICS JOURNAL
Volume 10, Issue 1, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2017.2788894
Keywords
Faster-then-Nyquist (FTN); carrierless amplitude and phase modulation (CAP); weighted look-up table (WLUT); RLS
Funding
- Key Project of Guangdong Province [2016B010111002]
- Shanghai SHEITC Software and IC Industry Development Project [170326]
- NSFC [61571133]
- National Key Research and Development Program of China [2017YFB0403603]
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In this paper, we have experimentally demonstrated faster-than-Nyquist carrierless amplitude and phase modulation quadrature phase-shift keying visible light communication system over 1.5-m free space transmission. Weighted look-up table is used to mitigate nonlinear impairment caused by amplifiers and electro-optical components. At the receiver side, recursive least square is employed to improve the decision precision. By combining these techniques, a data rate of 1.01 Gb/s is experimentally achieved with a bit error rate less than 7% forward error correction limit of 3.8 x 10(-3). To the best of our knowledge, this is the first time that weighted look-up table is proposed and used in visible light communication system.
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