Summary
2007 International Symposium on Nonlinear Theory and its Applications
2007
Session Number:18AM1-C
Session:
Number:18AM1-C-4
Performance of the Recovered Pseudo-Noise Binary Sequences by Independent Component Analysis for CDMA
Ryo Takahashi, Song-Ju Kim, Ken Umeno,
pp.148-151
Publication Date:2007/9/16
Online ISSN:2188-5079
DOI:10.34385/proc.41.18AM1-C-4
Summary:
The performance of the spreading sequences obtained by recovering Pseudo-Noise binary sequences by ICA for CDMA are investigated. We compared the property of these recovered sequences with the one of the original sequences and the Chebyshev chaotic sequences. For this purpose, we investigate correlation properties and calculate Bit Error Rates (BERs) analytically. Using ICA, we can obtain the spreading sequence which realizes much lower BERs and keeps the correlation property of the original sequences. These are new method, in that we use ICA in information and communication fields not as separator for received signal but as generator of spreading sequences.