Carrier-less Position/Phase Modulation forVisible Light Communications

WU Nan; WANG Xudong; YAO Kaili; GAI Xindong; HE Rongxi

doi:10.11999/JEIT160343

Volume 39 Issue 2

Feb. 2017

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WU Nan, WANG Xudong, YAO Kaili, GAI Xindong, HE Rongxi. Carrier-less Position/Phase Modulation forVisible Light Communications[J]. Journal of Electronics & Information Technology, 2017, 39(2): 360-366. doi: 10.11999/JEIT160343

Citation:

WU Nan, WANG Xudong, YAO Kaili, GAI Xindong, HE Rongxi. Carrier-less Position/Phase Modulation forVisible Light Communications[J]. Journal of Electronics & Information Technology, 2017, 39(2): 360-366. doi: 10.11999/JEIT160343

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Carrier-less Position/Phase Modulation forVisible Light Communications

doi: 10.11999/JEIT160343

Funds:

The National Natural Science Foundation of China (61371091)

Received Date: 2016-04-11
Rev Recd Date: 2016-08-29
Publish Date: 2017-02-19

Abstract

Abstract

In order to guarantee that Visible Light Communication (VLC) can provide both high-speed and low energy consumption data transmission services. A modulation named by Carrier-less Position/Phase (CPP) based on Pulse Position Modulation (PPM) is proposed. By utilizing the orthogonal filters, the transmission rate of the PPM is improved. According to that employing CPP modulation in VLC makes power efficiency significantly reduced, a novel variable bias is presented as an effort to reduce the power consumption effectively. Finally, the simulation results illustrate that applying the proposed variable bias to CPP scheme, compared to DC bias, the new scheme can save 2 dB of SNR to obtain the same BER performance under the bandwidth constrained conditions. After further considering slots correlation, the variable bias can further improve the BER performance by 1.5 dB.
- Visible Light Communications (VLC),
- Pulse Position Modulation (PPM),
- Carrier-less Position/Phase (CPP),
- Variable bias

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References(20)

References

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