scholarly journals Design of Cooperative Non-Orthogonal Multicast Cognitive Multiple Access for 5G Systems: User Scheduling and Performance Analysis

2017 ◽  
Vol 65 (6) ◽  
pp. 2641-2656 ◽  
Author(s):  
Lu Lv ◽  
Jian Chen ◽  
Qiang Ni ◽  
Zhiguo Ding
Keyword(s):  
Performance Analysis ◽  
Multiple Access ◽  
User Scheduling ◽  
5G Systems ◽  
And Performance

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.

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