Importance Sampling for Turbo Codes over Slow Rayleigh Fading Channels
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概要
- 論文の詳細を見る
This study shows a fast simulation method of turbo codes over slow Rayleigh fading channels. The reduction of the simulation time is achieved by applying importance sampling (IS). The conventional IS method of turbo codes over Rayleigh fading channels focuses only on modification of additive white Gaussian noise (AWGN) sequences. The proposed IS method biases not only AWGNs but also channel gains of the Rayleigh fading channels. The computer runtime of the proposed method is about 1/5 of that of the conventional IS method on the evaluation of a frame error rate of 10-6. When we compare with the Monte Carlo simulation method, the proposed method needs only 1/100 simulation runtime under the condition of the same accuracy of the estimator.
著者
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Sakai Takakazu
Department Of Computer Science Kitami Institute Of Technology
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Shibata Koji
Department Of Computer Science Kitami Institute Of Technology
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SHIBATA Koji
Department of Computer Science, Kitami Institute of Technology
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