Performance improvement of bandwidth-limited coherent OCDMA system |
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| Authors: | Xiaogang Chen Deyi Chen Zonglong Wang |
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| Affiliation: | (1) College of Science, China Three Gorges University, Yichang, Hubei, 443002, China |
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| Abstract: | The performance of an optical code division multiplexing access (OCDMA) system employing the differential phase shift keying
(DPSK) data format and turbo code is investigated and simulated. A bandwidth-limited coherent time spreading (TS) OCDMA system
is considered. Theoretical results show that performance degradation due to bandwidth limitation could be effectively restrained
by the application of the DPSK data format in a coherent OCDMA system, and further performance improvement could be achieved
by incorporating turbo coding into the OCDMA system.
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| Keywords: | Optical code division multiplexing access (OCDMA) Bandwidth limitation Differential phase shift keying (DPSK) Turbo coding |
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