Presentation 1999/6/18
Frequency-Division CDMA in Frequency Selective Fading Channel : Proposal and Evaluation of Transmission System using Spectrum Shift
Masahiro FUJII, Yohsuke KINOSHITA, Makoto ITAMI, Kohji ITOH,
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Abstract(in English) In this paper, we describe Frequency Division CDMA system in which the available frequency spectrum units corresponding to the symbol duration are grouped into mutually interference-free sets. Each of the sets consists of the minimum number of such spectrum units as independently fading and assuring frequency diversity effect. Each set of each of the groups is dynamically assigned to several users and the assignments are cyclically shifted to the adjacent sets. We discuss the methods to design the signals for the frequency division CDMA and simmultaneously to estimate multiple access user's channel characteristics using Kalman filter in the frequency selective fading channels and the performance was evaluates by computer simulations.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) FD-CDMA / Frequency selective fading / Channnel estimation Kalman filter
Paper # SAT99-35
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Committee SAT
Conference Date 1999/6/18(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Frequency-Division CDMA in Frequency Selective Fading Channel : Proposal and Evaluation of Transmission System using Spectrum Shift
Sub Title (in English)
Keyword(1) FD-CDMA
Keyword(2) Frequency selective fading
Keyword(3) Channnel estimation Kalman filter
1st Author's Name Masahiro FUJII
1st Author's Affiliation Department of Applied Electronics, Science University of Tokyo()
2nd Author's Name Yohsuke KINOSHITA
2nd Author's Affiliation Department of Applied Electronics, Science University of Tokyo
3rd Author's Name Makoto ITAMI
3rd Author's Affiliation Department of Applied Electronics, Science University of Tokyo
4th Author's Name Kohji ITOH
4th Author's Affiliation Department of Applied Electronics, Science University of Tokyo
Date 1999/6/18
Paper # SAT99-35
Volume (vol) vol.99
Number (no) 126
Page pp.pp.-
#Pages 6
Date of Issue