scholarly journals Performance Analysis of Permutation Matrix Zero Cross Correlation Code for SAC-OCDMA Systems

2018 ◽  
Vol 3 (1) ◽  
pp. 15 ◽  
Author(s):  
Kottakkaran Soopy Nisar ◽  
Himali Sarangal ◽  
Simrandeep Singh Thapar ◽  
Mohammed Qutubuddin ◽  
Mohammed Rahmath
Keyword(s):  
Performance Analysis ◽  
Multiple Access ◽  
Cross Correlation ◽  
Multiple Access Interference ◽  
Good Property ◽  
Code Length ◽  
Permutation Matrices ◽  
Design Structure ◽  
Decoder Design ◽  
And Performance

SAC-OCDMA systems are picking up prominence because of their property of low Multiple Access Interference (MAI). This paper deals with zero cross-correlation (ZCC) by considering permutation matrices (PM). The properties and performance analysis of PM-ZCC code are given in this study. The obtained results have shown that PM-ZCC code can achieve better BER for more number of users. In PM-ZCC code, the code length is neither too short nor too long which is the good property of encoder-decoder design structure.

scholarly journals Performance analysis of spectral/spatial of OCDMA system using 2D hybrid ZCC/MD code

2019 ◽  
Vol 13 (2) ◽  
pp. 569
Author(s):  
Rima. Matem ◽  
S. A. Aljunid ◽  
M. N. Junita ◽  
C.B.M Rashidi ◽  
Israa Shihab Aqrab
Keyword(s):  
Multiple Access ◽  
Cross Correlation ◽  
Multiple Access Interference ◽  
Spectral Amplitude ◽  
Correlation Property ◽  
Two Dimensional ◽  
One Dimensional ◽  
Spectral Amplitude Coding ◽  
The One ◽  
Optical Coding

This paper proposes a new spectral/spatial code for Spectral Amplitude Coding in Optical Coding Division Multiple Access (SAC-OCDMA) called two-Dimensional hybrid ZCC/MD code. The new code combines two of the one –dimensional codes which are Zero Cross Correlation (1D ZCC) and Multi-Diagonal code (1D MD). Moreover, it produces a zero cross correlation property for each code. The main goal of this proposed code is to mitigate Phase Induced Intensity Noise and eliminate Multiple Access Interference (MAI). This proposed code can provide a better performance comparing to other codes as 2D FCC/MDW and 2D DPDC according to the obtained numerical analysis.

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