Presentation 1993/8/27
Near-Far Effect on Coded DS/FH/SSMA
Yasuhiko Shinkaji, Takaya Yamazato, Masaaki Katayama, Akira Ogawa,
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Abstract(in English) This paper proposes a novel method which suppress multi-access interference in DS, SSMA for the near-far problem.When the duration of the cross correlation function,which causes multi- access interference,is divided into several intervals,the partial cross correlation function has different value according to each interval.So that,improvement of signal to noise ratio after dump integrator of correlator can be obtained by multiplying small weight coefficients with large values of the partial cross correlation functions,and multiplying large weight coefficients with small values of the cross correlation functions. Using this proposed method,suppression effect of multi-access interference can be obtained without knowing the PN sequences of other users in random accessing The characteristics of this system and results of computer simulations are shown in this paper.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) spread spectrum / near-for problem / DS/H / error-control code
Paper # SAT93-33,IN93-35,SST93-33
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Conference Date 1993/8/27(1days)
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Registration To Satellite Telecommunications (SAT)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Near-Far Effect on Coded DS/FH/SSMA
Sub Title (in English)
Keyword(1) spread spectrum
Keyword(2) near-for problem
Keyword(3) DS/H
Keyword(4) error-control code
1st Author's Name Yasuhiko Shinkaji
1st Author's Affiliation Department of Information Electronics,School of Engineering,Nagoya University()
2nd Author's Name Takaya Yamazato
2nd Author's Affiliation Department of Information Electronics,School of Engineering,Nagoya University
3rd Author's Name Masaaki Katayama
3rd Author's Affiliation Department of Information Electronics,School of Engineering,Nagoya University
4th Author's Name Akira Ogawa
4th Author's Affiliation Department of Information Electronics,School of Engineering,Nagoya University
Date 1993/8/27
Paper # SAT93-33,IN93-35,SST93-33
Volume (vol) vol.93
Number (no) 194
Page pp.pp.-
#Pages 6
Date of Issue