Performance Analysis of Subband Arrays(Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
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概要
- 論文の詳細を見る
Several subband array methods have been proposed as useful means to perform joint spatio-temporal equalization in digital mobile communications. These methods can be applied to mitigate problems caused by the inter-symbol interference (ISI) and co-channel interference (CCI). The subband array methods proposed so far can be classified into two major schemes: (1) a centralized feedback scheme and (2) a localized feedback scheme. In this paper, we propose subband arrays with partial feedback scheme, which generalize the above two feedback schemes. The main contribution of this paper is to derive the steady-state mean square error (MSE) performance of subband arrays implementing these three different feedback schemes. Unlike the centralized feedback scheme which can be designed to provide the optimum equalization performance, the subband arrays with localized and partial feedback schmes are in general suboptimal. The performance of these two suboptimal feedback schmes depends on the channel characteristics, the filter banks employed, and the number of subbands.
- 社団法人電子情報通信学会の論文
- 2001-09-01
著者
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Yang K
Atr Adaptive Communications Research Laboratories
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Yang Kehu
Atr Adaptive Communications Research Laboratories
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KARASAWA Yoshio
the Department of Electronic Engineering, The University of Electro-Communications
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Zhang Y
The Department Of Electrical And Computer Engineering Villanova University
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ZHANG Yimin
the Department of Electrical and Computer Engineering, Villanova University
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AMIN Moeness
the Department of Electrical and Computer Engineering, Villanova University
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Amin Moeness
The Department Of Electrical And Computer Engineering Villanova University
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Karasawa Yoshio
The Department Of Electronic Engineering University Of Electro-communications
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