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Performance Comparison of Coherent Time-Spreading PPM-OCDMA and OOK-OCDMA Systems

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Abstract

We compared the bit-error-rate (BER) and throughput performance of coherent time-spreading (TS) optical code division multiple access (OCDMA) systems with PPM and OOK signaling. The results indicate that PPM-OCDMA with an appropriate pulse position multiplicity performs better than OOK-OCDMA in the receivers’ bandwidth limitation case.

© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC

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