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Optical Engineering

Analysis of turbo-coded optical wireless communication system based on on-off keying, binary phase-shift keying, and binary pulse position modulation
Author(s): Jun Chen; Xizhen Hu; Dexiu Huang; Xiuhua Yuan
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Paper Abstract

Optical wireless communication systems usually adopt on-off keying (OOK), binary pulse position modulation (BPPM), and binary phase-shift keying (BPSK). In this work, the scheme of systems based on a turbo code of OOK, BPPM, and BPSK is proposed, and the three different iterated maximum a posteriori (MAP) algorithms of turbo code are deduced. To use the turbo code based on different modulated formats over optical wireless channels we deduce the formula of an atmospheric channel signal-to-noise ratio versus the atmospheric visibility. Simulations show that the turbo code based on BPSK is well suited for optical wireless communication systems.

Paper Details

Date Published: 1 September 2007
PDF: 5 pages
Opt. Eng. 46(9) 095001 doi: 10.1117/1.2786187
Published in: Optical Engineering Volume 46, Issue 9
Show Author Affiliations
Jun Chen, Huazhong Univ. of Science and Technology (China)
Xizhen Hu, Second Artillery Command College (China)
Dexiu Huang, Huazhong Univ. of Science and Technology (China)
Xiuhua Yuan, Huazhong Univ. of Science and Technology (China)


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