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Optical Engineering

Optimization model of a wireless optical system with pulse position modulation
Author(s): Xian Liu; Seung-ki Ryu; Yoon-Seuk Oh; Jung H. Kim
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Paper Abstract

In a near-ground outdoor (NGOD) environment, a wireless optical communication system usually uses pulse position modulation (PPM) since it provides better power efficiency than on-off keying modulation. In the literature, schemes based on non-return-to-zero PPM have been investigated. We extend this work to a return-to-zero (RZ) PPM scheme with a NGOD application. As a case study, we develop an optimization model to maximize the transmission distance based on a RZ-4PPM system. We show that, with the reduced pulse duration, the transmission distance can be further improved. The model involves three different Gaussian terms, and details of the solution procedure are included.

Paper Details

Date Published: 1 August 2010
PDF: 7 pages
Opt. Eng. 49(8) 085004 doi: 10.1117/1.3481136
Published in: Optical Engineering Volume 49, Issue 8
Show Author Affiliations
Xian Liu, Univ. of Arkansas at Little Rock (United States)
Seung-ki Ryu, Korea Institute of Construction Technology (Korea, Republic of)
Yoon-Seuk Oh, Korea Institute of Construction Technology (Korea, Republic of)
Jung H. Kim, Univ. of Arkansas at Little Rock (United States)


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