Presentation 2008-03-05
Adaptive Code Assignment Algorithm for A Multi-user/Multi-rate CDMA System
Qiyue Yu, Le LIU, Fumiyuki ADACHI,
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Abstract(in English) In this paper, we present a new adaptive code assignment algorithm. It has three main steps: reserved-space step, improved-crowed-first-space step, and multicode combination step. Compared with the existing algorithms, the proposed algorithm provides lower total blocking while its computational complexity is also comparatively low. It is applicable to all combinations users rate ratio probability. As a result, the proposed algorithm can be used in a multi-user/multi-rate CDMA system.
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Keyword(in English) code assignment / CDMA / DCA / code tree / cost function
Paper # RCS2007-192
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Committee RCS
Conference Date 2008/2/27(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Adaptive Code Assignment Algorithm for A Multi-user/Multi-rate CDMA System
Sub Title (in English)
Keyword(1) code assignment
Keyword(2) CDMA
Keyword(3) DCA
Keyword(4) code tree
Keyword(5) cost function
1st Author's Name Qiyue Yu
1st Author's Affiliation Harbin Institute of Technology()
2nd Author's Name Le LIU
2nd Author's Affiliation Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
3rd Author's Name Fumiyuki ADACHI
3rd Author's Affiliation Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
Date 2008-03-05
Paper # RCS2007-192
Volume (vol) vol.107
Number (no) 518
Page pp.pp.-
#Pages 6
Date of Issue