Superposed pulse amplitude modulation for visible light communication | Zendy

Jianfeng Li | Zendy; Zhitong Huang | Zendy; Rongyu Zhang | Zendy; Fei Zeng | Zendy; Mingxuan Jiang | Zendy; Yawei Ji | Zendy

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Superposed pulse amplitude modulation for visible light communication

Author(s) -

Jianfeng Li,

Zhitong Huang,

Rongyu Zhang,

Fei Zeng,

Mingxuan Jiang,

Yawei Ji

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.031006

Subject(s) - pulse amplitude modulation , optics , modulation (music) , pulse position modulation , optical modulation amplitude , pulse shaping , amplitude modulation , optical communication , amplitude , pulse (music) , physics , intensity modulation , visible light communication , pulse width modulation , phase modulation , light emitting diode , frequency modulation , laser , computer science , telecommunications , optical amplifier , radio frequency , detector , power (physics) , phase noise , acoustics , quantum mechanics

We propose and experimentally demonstrate a novel modulation scheme called superposed pulse amplitude modulation (SPAM) which is low-cost, insensitive to non-linearity of light emitting diode (LED). Multiple optical pulses transmit parallelly from different spatial position in the LED array and overlap linearly in free space to realize SPAM. With LED arrangement, the experimental results show that using the modulation we proposed the data rate of 120 Mbit/s with BER 1 × 10(-3) can be achieved with an optical blue filter and RC post-equalization.

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