Novel Array Antenna Assisted Adaptive Modulation Scheme for Fast Fading Channel(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In this paper, we propose a novel array antenna-assisted adaptive modulation scheme for fast fading environments. Although adaptive modulation is an efficient technique capable of establishing high bit-rate digital transmission in a multi-path fading environment, it is sensitive to the fast time variation of the channel because of difficulties in tracking the channel state. To resolve this problem, an array antenna-based Doppler spread compensator was applied to the adaptive modulation scheme. Computer simulation results indicated that the proposed scheme can markedly improve the bit error rate and throughput performance for the region in which the maximum Doppler frequency normalized by the packet length is up to 0.1.
- 社団法人電子情報通信学会の論文
- 2005-08-01
著者
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Wada Tomotaka
Faculty Of Systems Engineering Wakayama University
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OKADA Minoru
Graduate school of Information Science, Nara Institute of Science and Technology
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Wada Tomotaka
Faculty Of Engineering Kansai University
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OKADA Minoru
Nara Institute of Science and Technology
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Okada Minoru
Graduate School Of Information Science Nara Institute Of Science And Technology
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Yamamoto Heiichi
Graduate School of Information Science, Nara Institute of Science and Technology (NAIST)
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Okada Minoru
Nara Inst. Of Sci. And Technol. Nara Jpn
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Yamamoto Heiichi
Nara Inst. Sci. And Technol. Ikoma‐shi Jpn
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Yamamoto Heiichi
Graduate School Of Information Science Nara Institute Of Science And Technology
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Okada Minoru
Graduate School Of Information Production And Systems Waseda University
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