Improvement of BPSK Space-Time Turbo Code with Full Rate and Full Antenna Diversity(Special Section on Information Theory and Its Applications)
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概要
- 論文の詳細を見る
Space-time turbo codes have both advantages of space-time codes and turbo codes, and the space-time turbo code proposed by Su and Geraniotis is known to achieve full coding rate and full antenna diversity. This paper presents some improvements of their space-time turbo code in a two-antenna configuration. We first propose a new condition for full antenna diversity which imposes less constraints on the interleaver. Next, by applying a method used to improve turbo trellis-coded modulation to the space-time turbo code, we propose a new decoding algorithm which utilizes more precise estimates on extrinsic information. Simulation results show that the proposed condition assures full antenna diversity and the new decoding algorithm provides a better performance than that of Su and Geraniotis'.
- 社団法人電子情報通信学会の論文
- 2002-10-01
著者
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Kojima Chikara
Department Of Computer Science Chiba Institute Fo Technology
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Saba Takahiko
Department Of Computer Science Chiba Institute Fo Technology
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