Presentation 1997/2/19
A Proposal of CDMA System Producing Analog PN signal with Code-Orthogonalizing Filter
Seiji Hamada, Shin'ichi Tachikawa,
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Abstract(in English) In an asynchronous direct-sequence / code-division multiple access (DS/CDMA), multiple access interference (MAI) can be reduced using code-orthogonalizing filter (COF). However, a few own signal power is also lost using it, and it's performance deteriorates for a case of using orthogonal code in a synchronous system. In this paper, we propose a novel method of producing analog PN signals that have an orthogonal relation for all users, using COF, and we show an asynchronous DS/CDMA system using the method. As results of computer simulations, we show several properties of the system in additive white Gaussian noise (AWGN) environment.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) DS/CDMA / asynchronous / COF / analog PN signal
Paper # A・P96-139,EMCJ96-74,RCS96-153,MW96-179
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Committee EMCJ
Conference Date 1997/2/19(1days)
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Registration To Electromagnetic Compatibility (EMCJ)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Proposal of CDMA System Producing Analog PN signal with Code-Orthogonalizing Filter
Sub Title (in English)
Keyword(1) DS/CDMA
Keyword(2) asynchronous
Keyword(3) COF
Keyword(4) analog PN signal
1st Author's Name Seiji Hamada
1st Author's Affiliation Nagaoka University of Technology()
2nd Author's Name Shin'ichi Tachikawa
2nd Author's Affiliation Nagaoka University of Technology
Date 1997/2/19
Paper # A・P96-139,EMCJ96-74,RCS96-153,MW96-179
Volume (vol) vol.96
Number (no) 526
Page pp.pp.-
#Pages 6
Date of Issue