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Optical Engineering

Experimental investigation of pilot power allocation in direct-detected optical orthogonal frequency division multiplexing system
Author(s): Guangqian Wen; Jiangnan Xiao; Zizheng Cao; Fan Li; Lin Chen; Xinying Li; Ming Chen
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Paper Abstract

We experimentally investigate the effect of pilot power allocation on the performance of baseband direct-detected optical orthogonal frequency division multiplexing system by comparing five pilot power allocation schemes. The results show that the scheme of increased pilot power allocation had the highest receiver sensitivity and frequency fading tolerance of all. Allocating more power on pilots at higher frequencies can improve the accuracy of channel estimation which leads to a better system performance.

Paper Details

Date Published: 18 January 2013
PDF: 8 pages
Opt. Eng. 52(1) 015009 doi: 10.1117/1.OE.52.1.015009
Published in: Optical Engineering Volume 52, Issue 1
Show Author Affiliations
Guangqian Wen, Hunan Univ. (China)
Jiangnan Xiao, Hunan Univ. (China)
Zizheng Cao, Hunan Univ. (China)
Fan Li, Hunan Univ. (China)
Lin Chen, Hunan Univ. (China)
Xinying Li, Fudan Univ. (China)
Ming Chen, Hunan Univ. (China)

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