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2 December 2009 Normalized throughput of coherent time-spreading OCDMA under chip-asynchronous assumption
Jianhua Ji; Qing Wu
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Proceedings Volume 7632, Optical Transmission Systems, Switching, and Subsystems VII; 763235 (2009) https://doi.org/10.1117/12.849937
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China
Abstract
The effects of pulse shape and pulse width on chip-asynchronous coherent time-spreading OCDMA system are evaluated by the aperiodic cross-correlation function of up-sampled sequence. It can be shown that for chip-asynchronous coherent time-spreading OCDMA, the shorter optical pulse will obtain better aperiodic cross-correlation properties, which can reduce multiple-access interference (MAI) and beat noise (BN). For 127-length Gold sequence, normalized throughput of OCDMA is derived. It can be shown that the shorter optical pulse will obtain larger normalized throughput.
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Jianhua Ji and Qing Wu "Normalized throughput of coherent time-spreading OCDMA under chip-asynchronous assumption", Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 763235 (2 December 2009); https://doi.org/10.1117/12.849937
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