Estimation of Direction of Arrival Using Weighted Subspace Fitting for Wireless Communications(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
Estimation of unknown signal parameters with sensor array measurements has been investigated quite extensively. Also, there has been in recent years an explosive increase in the number of mobile users in wireless cellular systems, thus contributing to growing levels of multi-user interference. To overcome this problem, application of adaptive antenna array techniques to further increase the channel capacity has been discussed. In this paper, a new model of locally scattered signals in the vicinity of mobiles is proposed by defining the mean steering vector and manipulate it mathematically for several distributions. Under this model an estimation method of the direction of arrival is investigated based on a weighted subspace fitting technique. Statistical analysis and simulations are also considered.
- 社団法人電子情報通信学会の論文
- 2005-09-01
著者
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Kim Suk
Pusan National Univ. Busan Kor
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Song Iickho
Department Of Electrical Engineering Korea Advanced Institute Of Science And Technology
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Kim Suk
Department Of Electronics Engineering Pusan National University
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Song Iickho
Department Of Electrical Engineering And Computer Science
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Song Iickho
Korea Advanced Inst. Sci. And Technol. Daejeon Kor
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Kim Suk
Department Of Electronics Engineering And The Research Institute Of Computer Information And Communi
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Kim Suk
Department of Ceramic Engineering, Yonsei University, 134 Shinchon-Dong, Seodaemun-Ku, Seoul 120-749, Korea
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