Title :
Performance Improving of OCDMA System Using 2-D Optical Codes With Optical SIC Receiver
Author :
Mrabet, H. ; Dayoub, I. ; Attia, R. ; Haxha, S.
Author_Institution :
Polytech. Sch. of Tunis, Tunis, Tunisia
Abstract :
In this paper, we have studied the probability of error of optical code division multiple access (OCDMA) system using 2-D optical codes, namely prime hop and hybrid codes with a probability distribution approach. In order to increase the OCDMA system performance and increase the number of simultaneous users in the system, we have investigated the system when two different receivers are employed, namely, OCDMA serial interference cancellation (SIC) receivers and OCDMA correlation conventional receiver (CCR). Comparison in terms of OCDMA system´s performance between these two receivers has been reported. In order to obtain the optimum OCDMA system´s performance, we have studied several optical SIC receiver structures. Optimum choice of the number of stages in the SIC receiver and the threshold value on each stage has been reported.
Keywords :
code division multiple access; codes; error statistics; interference suppression; optical fibre communication; optical receivers; 2-D optical codes; OCDMA; correlation conventional receiver; error probability; optical SIC receiver; optical code division multiple access; probability distribution; serial interference cancellation; 2-D optical code; Multiple access interference (MAI); optical code division multiple access (CDMA); optical communications;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2009.2026293
