Interference Cancellation Technique based on Discovery of Spreading Codes of Interference Signals and Maximum Correlation Detection for DS-CDMA System(Advanced technology-III)
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概要
- 論文の詳細を見る
In this paper, we propose a new interference cancellation technique of DS-CDMA for improving communication quality and increasing the number of simultaneous communication users for satellite communications. The DS-CDMA transmitter multiplies each user's signal by a distinct code. The detector receives a signal composed of the sum of all user's signals, which overlap in time and frequency. In a conventional DS-CDMA system, a user's signal is detected by correlating the entire received signal with that user's code. However, multiple access interference (MAI) is a factor which limits the capacity and performance of the DS-CDMA system. Therefore, this paper proposes a new interference cancellation technique for DS-CDMA based on discovery of spreading codes of interference signals and maximum correlation detection.
- 社団法人電子情報通信学会の論文
- 2006-10-12
著者
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Uehara Hideyuki
Toyohashi Univ. Technol. Toyohashi‐shi Jpn
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Uehara Hideyuki
Department Of Information And Computer Sciences Toyohashi University Of Technology
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YOKOYAMA Mitsuo
Department of Information and Computer Sciences, Toyohashi University of Technology
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HETTIARACHCHI Ranga
Department of Information and Computer Sciences, Toyohashi University of Technology
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Yokoyama Mitsuo
Toyohashi Univ. Technol. Toyohashi‐shi Jpn
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Yokoyama Mitsuo
Department Of Information And Computer Sciences Toyohashi University Of Technology
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Yokoyama Mitsuo
Department Of Information Amp Computer Sciences Toyohashi University Of Technology
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Hettiarachchi Ranga
Toyohashi Univ. Technol. Toyohashi‐shi Jpn
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Yokoyama Mitsuo
Department Of Immunology And The Third Department Of Internal Medicine Kurume University School Of M
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