カオスダイナミクスの分離を利用した誤り訂正手法の送信信号数に対する性能評価

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  • カオスダイナミクス ノ ブンリ オ リヨウ シタ アヤマリ テイセイ シュホウ ノ ソウシン シンゴウスウ ニ タイスル セイノウ ヒョウカ
  • Performance Evaluation of Error-Correcting Scheme Using Separation of Chaotic Dynamics for Number of Transmitting Data

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Abstract

Noncoherent chaos communications, which do not need to use basis signals (unmodulated carriers) for demodulation, are unique communication systems using characteristics of chaos. However, the communication performance of the noncoherent system is lower as compared with the standard communication systems. Thus, it is important to advance noncoherent system in order to improve its performance. In our previous research, we have proposed a novel error-correcting method using a separation and reconstruction of the chaotic dynamics, which is one of characteristics of chaos. As simulation results, we have confirmed that the advantage gained in BER performance of our error-correcting method is about 2--2.5 dB compared to the conventional one (w/o coding). This paper focuses on a number of transmitting data and a combination of symbols, and analyzes an error-correcting capability for evaluating advantages of the separation and reconstruction of the chaotic dynamics in detail.

IEICE Technical Report;NLP2013-108

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