Performance of a New DS-CDMA Synchronization System Using Cycle-and-Add Property(Communication Theory, <Special Section>Information Theory and Its Applications)
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概要
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This paper proposes a novel PN (Pseudo Noise) synchronization system using Cycle-and-Add property of M-sequence featuring fast acquisition in DS-CDMA (direct sequence-code division multiple access). Fast acquisition is carried out by generating a PN sequence in a simple multiplicative action of a received signal with its delayed one. This multiplicative action is similar to differentially coherent detection and realizes an anti-fading property. Easy implementation is materialized by the fact that the system is mostly composed of baseband devices. The principle, performance evaluation and the detection probability of synchronization for the proposed method are shown. Furthermore, detection probability of synchronization in a fast Rayleigh fading channel is shown for the performance evaluation.
- 2005-10-01
著者
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Yamashita Shinji
Ntt Docomo Tokai Inc.
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Uehara Hideyuki
Toyohashi Univ. Technol. Toyohashi‐shi Jpn
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Uehara Hideyuki
Faculty Of Engineering Shibaura Institute Of Technology
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YAMAGUCHI Yoshikazu
Faculty of Engineering, Toyohashi University of Technology
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YOKOYAMA Mitsuo
Faculty of Engineering, Toyohashi University of Technology
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Uehara Hideyuki
Faculty Of Engineering Toyohashi University Of Technology
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Yokoyama Mitsuo
Faculty Of Engineering Toyohashi University Of Technology
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Yamaguchi Yoshikazu
Faculty Of Engineering Toyohashi University Of Technology
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