Paper
1 October 1991 Performance of Reed-Solomon codes in mulichannel CPFSK coherent optical communications
Jyh-Horng Wu, Jingshown Wu
Author Affiliations +
Abstract
A study of the multichannel coherent CPFSK communication system employing Reed-Solomon codes is reported. The crosstalk between adjacent channels, the impact of the laser phase noise, and selection of the optimum code rate are investigated. By applying a suitable coding scheme, the laser linewidth can be greatly relaxed, and the receiver sensitivity will be remarkably improved. A 100 Mb/s system is used to verify the coding benefit. The results show that the impact of the laser linewidth can be largely alleviated by applying a (255, 223) Reed-Solomon code. When the linewidth is fixed ((Delta) (upsilon) T equals 2%), this code can improve the receiver sensitivity by more than 15 dB.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jyh-Horng Wu and Jingshown Wu "Performance of Reed-Solomon codes in mulichannel CPFSK coherent optical communications", Proc. SPIE 1579, Advanced Fiber Communications Technologies, (1 October 1991); https://doi.org/10.1117/12.50152
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KEYWORDS
Receivers

Telecommunications

Modulation

Interference (communication)

Optical communications

Remote sensing

Phase shift keying

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