Acta Optica Sinica, Volume. 34, Issue 4, 406003(2014)
Interleave-Division Multiple-Access for High-Speed Visible Light Communication in Parallel
The transmission rate of the commercial light emitting diode is limited by modulation bandwidth in visible light communication. While there are more than one light emitting diode (LED) wicks in a lamp, so a high-speed transmission system scheme that the multi-LED wicks transmit data in a single lamp simultaneously, which utilizes the interleave-division multiple-access technology to superimpose mode in parallel and uses a single photodiode to receive data, is designed. As the driving voltage of LED is non-negative and photoelectric detector (PD) only detects the light intensity information, the transmitter structure, the receiver detection algorithm of multi-LED wicks and the decoding algorithm of repetition code based on single carrier on-off keying (OOK) modulation are proposed. And the signal noise ratio (SNR) performance evaluation algorithm based on OOK modulation is researched. Finally, compared with the multi-carrier direct current (DC)-biased optical orthogonal frequency division multiplexing under the same conditions in the simulation, the proposed scheme is more superior in the performance of anti-nonlinearity and bit error ratio (BER).
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Wang Chao, Zhu Yijun, Yang Yuhong. Interleave-Division Multiple-Access for High-Speed Visible Light Communication in Parallel[J]. Acta Optica Sinica, 2014, 34(4): 406003
Category: Fiber Optics and Optical Communications
Received: Oct. 14, 2013
Accepted: --
Published Online: Mar. 31, 2014
The Author Email: Chao Wang (xxgcwangchao@163.com)