Presentation 2003/2/26
Subband Adaptive Array for Multirate Multicode DS-CDMA
Xuan Nam TRAN, Tetsuki TANIGUCHI, Yoshio KARASAWA,
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Abstract(in English) A novel scheme of subband adaptive array for multicode Direct Sequence Code Division Multiple Access (DS-CDMA) is proposed. The proposed scheme has a flexible configuration which allows basestation to dynamically adapt to multirate transmission requests from subscribers. It is shown that the novel scheme can effectively suppress multiple access interferences (MAI) by appropriately forming main beam toward the desired user while pointing beampattern nulls toward MAI sources. Moreover, the combination of subband adaptive array with the so-called cyclic prefix spreading code CDMA is also proposed to mitigate multipath fading and maximize diversity gain in multipath fading environment.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) adaptive array / multicode CDMA / cyclic prefix spreading code / subband signal processing / multipathfading
Paper # SST2002-72,A・P2002-171,RSC2002-288,MoMuC2002-97,MW2002-179
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Committee MoMuC
Conference Date 2003/2/26(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Subband Adaptive Array for Multirate Multicode DS-CDMA
Sub Title (in English)
Keyword(1) adaptive array
Keyword(2) multicode CDMA
Keyword(3) cyclic prefix spreading code
Keyword(4) subband signal processing
Keyword(5) multipathfading
1st Author's Name Xuan Nam TRAN
1st Author's Affiliation Department of Electronic Engineering, The University of Electro-Communications()
2nd Author's Name Tetsuki TANIGUCHI
2nd Author's Affiliation Department of Electronic Engineering, The University of Electro-Communications
3rd Author's Name Yoshio KARASAWA
3rd Author's Affiliation Department of Electronic Engineering, The University of Electro-Communications
Date 2003/2/26
Paper # SST2002-72,A・P2002-171,RSC2002-288,MoMuC2002-97,MW2002-179
Volume (vol) vol.102
Number (no) 677
Page pp.pp.-
#Pages 6
Date of Issue