DocumentCode
2008960
Title
Code acquisition of Markovian SS codes in a chip-synchronous DS-CDMA system
Author
Jitsumatsu, Yutaka ; Eshima, Nobuoki ; Kohda, Tohru
Author_Institution
Dept. of Comput. Sci. & Commun. Eng., Kyushu Univ., Fukuoka, Japan
fYear
2003
fDate
29 June-4 July 2003
Firstpage
447
Abstract
A decorrelator for chip-synchronous DS-CDMA systems using Markovian SS codes, which makes observed data at each chip-time uncorrelated is proposed in this article. Moreover, using the decorrelator output a posteriori probability is calculated by applying a very simple expression.
Keywords
Markov processes; code division multiple access; decorrelation; error statistics; maximum likelihood estimation; spread spectrum communication; synchronisation; Markovian SS codes; a-posteriori probability; chip-synchronous DS-CDMA system; code acquisition; decorrelator; direct sequence code division multiple access; Bit error rate; Correlators; Covariance matrix; Decorrelation; Delay effects; Gold; Maximum likelihood estimation; Multiaccess communication; Random variables; Zinc;
fLanguage
English
Publisher
ieee
Conference_Titel
Information Theory, 2003. Proceedings. IEEE International Symposium on
Print_ISBN
0-7803-7728-1
Type
conf
DOI
10.1109/ISIT.2003.1228464
Filename
1228464
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