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Proceedings Paper

Upper boundary of BER performance in asynchronous coherent time-spreading optical CDMA system
Author(s): Jianhua Ji; Qing Wu; Zhipeng Zhang; Shuwen Yang
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Paper Abstract

Multiple-access interference (MAI) and beat noise (BN) are analyzed in asynchronous coherent time-spreading OCDMA system according to the aperiodic cross-correlation function. Relationship between the mean intensity of aperiodic crosscorrelation and MAI and BN is deduced. Considering the worst system performance, upper bound of BER performance is evaluated by the maximum value of the mean intensity of aperiodic cross-correlation. For 511 length Gold sequence, coherent time-spreading OCDMA system can support less than 5 interfering users in the worst performance.

Paper Details

Date Published: 19 November 2008
PDF: 4 pages
Proc. SPIE 7137, Network Architectures, Management, and Applications VI, 71373M (19 November 2008); doi: 10.1117/12.801871
Show Author Affiliations
Jianhua Ji, Shenzhen Univ. (China)
Qing Wu, Shenzhen Univ. (China)
Zhipeng Zhang, Shenzhen Univ. (China)
Shuwen Yang, Shenzhen Univ. (China)

Published in SPIE Proceedings Vol. 7137:
Network Architectures, Management, and Applications VI
Weisheng Hu; Shoa-Kai Liu; Ken-ichi Sato; Lena Wosinska, Editor(s)

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