On efficient code acquisition of optical orthogonal codes in optical CDMA systems

Authors:
Francesco Benedetto;Gaetano Giunta
Affiliations:
Digital Signal Processing and Multimedia Communications Lab, Dept. of Applied Electronics, University of ROMA TRE, Rome, Italy;Digital Signal Processing and Multimedia Communications Lab, Dept. of Applied Electronics, University of ROMA TRE, Rome, Italy
Venue:
IEEE Transactions on Communications
Year:
2010

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Abstract

This letter presents an efficient method for optical code division multiple access (OCDMA) code acquisition based on unipolar optical orthogonal codes. We propose a two-dwell acquisition procedure and provide closed form expressions to analyze the system's error probabilities. Our results match the Multiple Shift (MS) algorithm, recently introduced in the literature, and show that our procedure can achieve the same system performance with a lower computational complexity.