Chinese Optics Letters, 2010, 8 (5): 464, Published Online: May. 11, 2010   

Study of FSK/IM orthogonal modulation system with optical Manchester-coded payload Download: 594次

Author Affiliations
Institute of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
Abstract
We study the performance of an orthogonal modulation system with frequency-shift keying (FSK) label and optical Manchester-coded (MC) payload. Simulation result shows that by introducing an optical MC payload, the available extinction ratio (ER) value of a FSK and intensity modulation (IM) orthogonal modulation system can be improved from 5 to 9 dB for system optimization, exhibiting great advantages over the traditional non-return-to-zero (NRZ) payload. Besides, the bit error rate (BER) characteristics of both label and payload show a more remarkable advantage than that of NRZ coding, verifying itself as a perfect candidate for the payload coding method in orthogonal modulation systems.

Rui Zhou, Xiangjun Xin, Qi Zhang, Kun Zhao, Tonggang Zhao, Chongxiu Yu. Study of FSK/IM orthogonal modulation system with optical Manchester-coded payload[J]. Chinese Optics Letters, 2010, 8(5): 464.

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