Performance analysis of MWOOCDMA/M-ary signaling system

被引：0

作者：

Jayashri, S. ^{[1
]}

Ravichandran, V.C. ^{[2
]}

机构：

[1] Department of ECE, S.R.M. Engineering College, Kattankulathur, Chennai, India

[2] Communication System Division, School of ECE, Anna University, Chennai, India

来源：

Journal of Optics (India) | 2001年 / 30卷 / 04期

关键词：

Approximation theory - Optical fibers - Signal interference - Thermal noise;

D O I：

10.1007/bf03354738

中图分类号：

学科分类号：

摘要：

In this paper, a theoretical investigation has been carried out to evaluate the performance of MWOOC'S using M-ary signaling in a OCDMA system employing multimode optical fiber. The performance is analysed in a multiuser interference (MUI) environment considering various noises such as modal noise in the optical fiber shot noise, APD bulk leakage noise, surface leakage noise, thermal noise in the receiver using the Gaussian approximation (GA) method. A two-dimensional (13x13,3,1,1) OOSPC using three wavelength (in the 825 nm range) that can support a maximum of 24 active users has been analysed for M=2,4 and 8 signals per user. The results suggest that M-ary signaling in the MWOOC'S is preferable to binary signaling for capacity enhancement of a OCDMA system.

引用

页码：185 / 199

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