期刊
OPTICS AND LASER TECHNOLOGY
卷 104, 期 -, 页码 206-209出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2018.02.004
关键词
LED; Visible Light Communication (VLC); Polarization; Volterra Filtering
资金
- Electronic and Optoelectronic System Research Lab and Information and Communications Research Lab, ITRI, Taiwan
In the demonstration, we propose and investigate a phosphor white-light LED gigabit-per-second visible light communication (VLC) system by utilizing adaptive filtering and polarization-multiplexing technology. Due to the incoherent light of LED, two orthogonal linear polarizers can be utilized in the LED transmitter (Tx) side and client receiver (Rx) side, respectively, to produce 2 x 2 polarization-multiplex multi-input multi-output (MIMO) VLC transmission. Moreover, the Volterra nonlinear equalization (VNLE) filtering is proposed to improve the nonlinearity concern of LED-based VLC system, when the high spectral-efficient orthogonal frequency division multiplexing (OFDM) modulation is employed. Hence, the total VLC data rate of similar to 1.4 Gbps is reached and the VLC performance is also discussed in the proposed wireless VLC system. (C) 2018 Elsevier Ltd. All rights reserved.
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