DocumentCode
757534
Title
Memory search multiuser detector in DS/CDMA systems
Author
Chen, Ming
Author_Institution
Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China
Volume
38
Issue
11
fYear
2002
fDate
5/23/2002 12:00:00 AM
Firstpage
525
Lastpage
526
Abstract
The optimal multiuser detector (MUD) in DS/CDMA systems requires the solution of a NP-hard combinatorial optimisation problem (COP). A near optimal MUD based on solving the COP with memory search method is proposed. With almost the same computational complexity as the parallel interference cancellation (PIC) MUD, it produces a better performance gain than PIC-MUD
Keywords
code division multiple access; combinatorial mathematics; computational complexity; multiuser channels; optimisation; signal detection; DS-CDMA systems; NP-hard combinatorial optimisation problem; computational complexity; memory search method; near optimal multiuser detector; parallel interference cancellation;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20020367
Filename
1006798
Link To Document