A Spatial-Domain RAKE Receiver Using a Super-Resolution Technique (Special Issue on Personal, Indoor and Mobile Radio Communications)
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概要
- 論文の詳細を見る
In high-speed TDMA mobile communications, frequency-selective fading is a serious problem because a delay time difference between multipath signals is large in comparison with symbol duration. We have proposed a spatial-domain RAKE receiver using a multibeam adaptive antenna to reduce frequency-selective fading and to realize path-diversity. The multibeam adaptive antenna resolves multipath signals in the spatial domain, and combines array outputs. In this paper, we propose the application of MUSIC algorithm to estimation of the time delays of multipath signals to make the incident signals coincide with a common reference signal. Because the MUSIC algorithm can estimate the time delays accurately, the BER performance of the proposed scheme is improved. Furthermore, we propose weighting factors which easily realize the maximal-ratio combining.
- 社団法人電子情報通信学会の論文
- 2000-08-25
著者
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Tanabe Y
Sanyo Electric Co. Ltd.
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TANABE Yasuhiko
The Graduate School of Engineering, Hokkaido University
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FUJISHIMA Kenzaburoh
The Graduate School of Engineering, Hokkaido University
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OGAWA Yasutaka
The Graduate School of Engineering, Hokkaido University
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OHGANE Takeo
The Graduate School of Engineering, Hokkaido University
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Ogawa Y
Riken Wako‐shi Jpn
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Tanaka Y
Sanyo Electric Co. Ltd. Gifu‐ken Jpn
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Tanabe Yasuhiko
Division Of Electronics And Information Engineering Graduate School Of Engineering Hokkaido Universi
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Takuma Y
Department Of Dental And Biomedical Materials Science Unit Of Basic Medical Science Graduate School
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Fujishima Kenzaburoh
Division Of Electronics And Information Engineering Graduate School Of Engineering Hokkaido Universi
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