DocumentCode
2717053
Title
Maximum a posteriori Probability (MAP) Code Acquisition in Multiuser DS/CDMA Systems
Author
Khan, Tahir Abbas ; Eshima, Nobuoki ; Jitsumatsu, Yutaka ; Kohda, Tohru
Author_Institution
Dept. of Comput. Sci. & Commun. Eng., Kyushu Univ., Fukuoka
fYear
2005
fDate
5-5 Oct. 2005
Firstpage
654
Lastpage
658
Abstract
Conventional code acquisition techniques don´t exploit the entire available information for decision making but only use a part of it. A maximum a posteriori probability (MAP) code acquisition scheme is proposed which efficiently utilizes all the available information by exploiting statistical properties of spreading codes. Computer simulations show significant performance improvements over conventional schemes
Keywords
code division multiple access; codes; decision making; maximum likelihood estimation; spread spectrum communication; decision making; maximum a posteriori probability code acquisition; multiuser DS-CDMA systems; spreading codes; statistical properties; Bit error rate; Computer simulation; Decision making; Delay effects; Multiaccess communication; Multiuser detection; Probability; Signal generators; Signal processing; Timing;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications, 2005 Asia-Pacific Conference on
Conference_Location
Perth, WA
Print_ISBN
0-7803-9132-2
Type
conf
DOI
10.1109/APCC.2005.1554143
Filename
1554143
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