Chinese Optics Letters, 2018, 16 (6): 060604, Published Online: Jul. 2, 2018  

MISO visible light communication system utilizing hybrid post-equalizer aided pre-convergence of STBC decoding Download: 620次

Author Affiliations
Shanghai Institute for Advanced Communication and Data Science, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai 200433, China
Abstract
In this Letter, we propose a modified hybrid linear and nonlinear post-equalizer to aid pre-convergence of space–time block coding (STBC) decoding in the formulated multiple-input-single-output (MISO) visible light communication (VLC) model. Meanwhile, we present a channel estimation algorithm, as the existing method is suboptimal. Experiments demonstrate that a data rate of 1 Gbit/s is easily achieved in 1.3 m indoor free space transmission with the bit error rate (BER) limited to 3.8×10 3. Correspondingly, the Q factor can be improved to 3.13 dB compared to the pure linear equalizer case.

Liang Qiao, Xingyu Lu, Shangyu Liang, Jiao Zhang, Nan Chi. MISO visible light communication system utilizing hybrid post-equalizer aided pre-convergence of STBC decoding[J]. Chinese Optics Letters, 2018, 16(6): 060604.

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