Summary
the 2014 International Symposium on Nonlinear Theory and its Applications
2014
Session Number:D2L-D
Session:
Number:D2L-D1
Implementation and Evaluation of Chaos-Based Communication System
Hiroki Katoh, Yoshimasa Narumiya, Mikio Hasegawa,
pp.787-790
Publication Date:2014/9/14
Online ISSN:2188-5079
Summary:
Gabor Division Spread Spectrum System (GD/SSS) has been proposed by extending spread spectrum system using the codes in both of time domain and frequency domain. Such two-dimensional spreading, realizes robust communication systems against the noises and the interferences. In this paper, we optimize the twodimensional spreading codes to improve the performance of the GD/SSS. Our simulation results show that the proposed codes have better performance than OFCDM. In order to verify the effectiveness of such a system using two-dimensional spreading, we implement the GD/SSS using the software defined radio technology and evaluate the BER performance using the implemented systems. By our experiments, we confirm that our implemented GD/SSS works correctly and it is clarified that GD/SSS improves the BER lower than the conventional CDMA.