Iterative Equalization Technique for Double-Selective Channel Estimation in OFDM Systems(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In OFDM based mobile communication systems, channel variation during one symbol period introduces intercarrier interference (ICI). Conventional pilot-aided equalization mitigates the ICI at the price of band inefficiency. On the other hand, the blind or semi-blind equalization method, which utilizes the known statistic properties of the transmitted data, will raise system complexity. In this letter, without bandwidth-consuming pilots, a novel channel estimation and tracking method based on an iterative equalization technique (IET) is proposed. The proposed approach successfully achieves a good compromise between bandwidth efficiency and system complexity, and its validity is demonstrated by numerical simulations, especially for fast fading channel.
- 社団法人電子情報通信学会の論文
- 2007-02-01
著者
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YAMASHITA Katsumi
Department of Electrical and Information Systems, Osaka Prefecture University
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Yamashita Katsumi
Department Of Electrical And Information Systems Osaka Prefecture University
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LI Dongguo
Intelligent Information & Communication Laboratory, in Department of Electrical & Electronic Systems
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YAMASHITA Katsumi
Intelligent Information & Communication Laboratory, in Department of Electrical & Electronic Systems
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Li Dongguo
Intelligent Information & Communication Laboratory In Department Of Electrical & Electronic
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Yamashita Katsumi
Intelligent Information & Communication Laboratory In Department Of Electrical & Electronic
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