2013 Saudi International Electronics, Communications and Photonics Conference 2013
DOI: 10.1109/siecpc.2013.6550749
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Performance enhancement of asynchronous overlapping PPM-OCDMA systems using projected PIC multiuser detection

Abstract: Overlapping pulse position modulation -optical code division multiple access (OPPM-OCDMA) is a well known technique to enhance spectral efficiency and to increase the number of effective users in the system. However, on the other hand overlapping may result in increasing levels of multiple access interference (MAI) that significantly reduces the capacity of the system. To mitigate MAI, we make use of a recently proposed parallel interference cancellation (PIC) technique that exploits the non-negativity of the … Show more

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