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Abstract
Multiwavelength optical code-division multiple-access (CDMA) communication system employing 2n prime-sequence codes and extended prime codes are developed. Algorithms for the constructions of these codes are also given. Discrete number of wavelengths starting from 11 to 31 (prime numbers) are chosen for the analysis and the error performance curves are obtained as a function of number of simultaneous users of the system. Considering the effect of multiple users interference (MUI) alone and comparing the performance of these code families with that of generalised multiwavelength prime codes (GMWPC), better results are obtained in the former. It is also shown that an optical hard-limiter placed before the receiver correlator reduces error probability to a large extent.
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K Murugesan
K Murugesan is an Indian citizen born on 27th May 1969. He received his BE degree in Electronics and Communication Engineering and ME degree (with distinction) in Microwave and Optical Engineering, both from Madurai Kamaraj University, Madurai in 1990 and 1995 respectively. He obtained his PhD in Electrical Engineering from Anna University, Chennai in 2001. He has been with teaching profession for the last ten years and presently, as an Assistant Professor in Arunai Engineering College, Tiruvannamalai, Tamil Nadu.
Dr. Murugesan is a life member of Indian Society for Technical Education (ISTE) and an Associate Member of Institution of Engineers (India). He has presented papers in National and International Conferences and Journals and has nine publications to his credit. His teaching and research areas include signal processing, optical CDMA and related topics.