Effectiveness of Processing Gain on Optical Interleave Division Multiple Access with Zero Dispersion Fiber using Tree Inter-leaver

Abstract

In present article, the qualitative analysis of an optical Inter-leave division multiple access (IDMA) system is observed with the help of processing gain and data length. The processing gain and spread length both are similar and this is the efficient parameter of direct sequence spread spectrum communication. IDMA system, a multiuser arrangement where users are divided by single inter-leaver sequence is on the horizon of wireless communication world. IDMA receiver contains a chip by chip iterative multiuser detection that possess low complexity turbo-like iterative receivers. In IDMA the distinction between different users is achieved by reordering the bits. There are several parameters which affects the quality transmission in IDMA, some are coding gain, multiuser gain and processing gain. By varying any of above parameters the performance will change. In present article processing gain is varied and its effect on IDMA has been observed. The number of users is increasing and its effect on BER (bit error rate) for different processing gain is observed on MATLAB.