Low Power Current-Cut Switched-Current Matched Filter for CDMA (Special Issue on Low-Power High-Performance VLSI Processors and Technologies)
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概要
- 論文の詳細を見る
We have proposed a current-cut switchedcurrent matched filter (CC-SIMF) for direct-sequence codedivision multiple-access (DS-CDMA). The 256-chip CC-SIMF can achieve low power consumption of less than 10mW under high-speed operation of more than 16Mcps. To reduce the current transfer error accumulation, we propose a parallel SIMF configuration. A 128-chip SIMF using 0.8-μm Complementally Metal Oxide Semiconductor (CMOS) process has been designed and fabricated. Optimization of the current memory cell structure has been described. The correlation operation at 16Mcps has been obtained using a 128-chip orthogonal m-sequence. The code phase separation performance for path diversity has been clearly observed. The power consumption has been significantly reduced using the current-cut method.
- 社団法人電子情報通信学会の論文
- 2001-02-01
著者
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Masu K
Research Institute Of Electrical Communication Tohoku University
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Masu Kazuya
Integrated Research Institute
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Nakase H
Tohoku Univ. Sendai Jpn
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Nakase Hiroyuki
Research Institute Of Electrical Communicaiton Tohoku University
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Nakase Hiroyuki
The Research Institute Of Electrical Communication Tohoku University
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TSUBOUCHI Kazuo
the Research Institute of Electrical Communication, Tohoku University
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TOGURA Kenji
the Research Institute of Electrical Communication, Tohoku University Presently, the Technology Rese
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KUBOTA Koji
the Research Institute of Electrical Communication, Tohoku University Presently, the Technology Deve
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MASU Kazuya
the Research Institute of Electrical Communication, Tohoku University Presently, the Tokyo Institute
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Masu Kazuya
東工大
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Kobayashi Katsunori
Central Research Laboratories Ajinomoto Co. Inc.
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Kubota Koji
The Research Institute Of Electrical Communication Tohoku University Presently The Technology Develo
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Togura Kenji
The Research Institute Of Electrical Communication Tohoku University Presently The Technology Resear
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Tsubouchi K
Research Institute Of Electrical Communication Tohoku University
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Kubota K
The Research Institute Of Electrical Communication Tohoku University Presently The Technology Develo
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Tsubouchi Kazuo
The Research Institute Of Electrical Communication Tohoku University
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Tsubouchi K
Tohoku University
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