DocumentCode
3209909
Title
Implementation of different behaviours of DS-CDMA systems with multiuser detectors
Author
Marcu, Ioana M. ; Halunga, Simona V. ; Fratu, Octavian
Author_Institution
Fac. of ETTI, Politeh. Univ. of Bucharest, Bucharest, Romania
Volume
2
fYear
2011
fDate
5-8 Oct. 2011
Firstpage
447
Lastpage
450
Abstract
In this paper we present a comparative analysis of conventional & MMSE multiuser detectors performances in CDMA systems. At base station end the main reason that affects performances is multiple access interference. It can be caused by non-perfectly orthogonal spreading codes used to differentiate the users or by (im)perfect power conditions. The evaluation criterion for performances is BER versus SNR. Based on the obtained results several important conclusions for the usage of these detectors can be withdrawn.
Keywords
code division multiple access; error statistics; least mean squares methods; BER; DS-CDMA systems; MMSE multiuser detectors; SNR; base station; multiple access interference; nonperfectly orthogonal spreading codes; Bit error rate; Correlation; Decoding; Detectors; Multiaccess communication; Multiuser detection; Signal to noise ratio; Multiuser; comparison; detection; performances;
fLanguage
English
Publisher
ieee
Conference_Titel
Telecommunication in Modern Satellite Cable and Broadcasting Services (TELSIKS), 2011 10th International Conference on
Conference_Location
Nis
Print_ISBN
978-1-4577-2018-5
Type
conf
DOI
10.1109/TELSKS.2011.6143240
Filename
6143240
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