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Titolo:
A hybrid interference cancellation scheme for multiuser systems in multipath fading channels
Autore:
Johansson, AL; Svensson, A;
Indirizzi:
Nokia Svenska AB, Nokia Networks, SE-16425 Kista, Sweden Nokia Svenska ABKista Sweden SE-16425 Networks, SE-16425 Kista, Sweden Chalmers Univ Technol, Dept Signals & Syst, SE-41296 Gothenburg, Sweden Chalmers Univ Technol Gothenburg Sweden SE-41296 1296 Gothenburg, Sweden
Titolo Testata:
EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS
fascicolo: 2, volume: 11, anno: 2000,
pagine: 207 - 217
SICI:
1124-318X(200003/04)11:2<207:AHICSF>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
CDMA SYSTEM; ACCESS COMMUNICATIONS; RECEIVER; DETECTORS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Johansson, AL Nokia Svenska AB, Nokia Networks, POB 1070, SE-16425 Kista, Sweden Nokia Svenska AB POB 1070 Kista Sweden SE-16425 sta, Sweden
Citazione:
A.L. Johansson e A. Svensson, "A hybrid interference cancellation scheme for multiuser systems in multipath fading channels", EUR T TELEC, 11(2), 2000, pp. 207-217

Abstract

A new hybrid interference cancellation (IC) scheme is proposed for the uplink of multirate direct-sequence code division multiple access (DS-CDMA) systems communicating over mobile radio channels. The hybrid IC scheme includes both non-decision directed and decision directed IC, together with a modified RAKE combiner to utilize the diversity in a frequency-selective channel. The performance is evaluated via computer simulations for the two multiple data rate schemes, mixed modulation and multicode, in a multipath environment. Both known channel parameters and channel estimation using pilot symbols are considered. The results show that multicode or a combination of multicode and mixed modulation are preferable when handling multirate systemand the loss in performance compared to the single-user bound is small.

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Documento generato il 03/07/20 alle ore 15:22:42