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Titolo:
LOW-COMPLEXITY BLIND DETECTION OF DS CDMA SIGNALS - AUXILIARY-VECTOR RECEIVERS/
Autore:
PADOS DA; BATALAMA SN;
Indirizzi:
SUNY BUFFALO,DEPT ELECT & COMP ENGN BUFFALO NY 14260 UNIV SW LOUISIANA,DEPT ELECT & COMP ENGN LAFAYETTE LA 70504 UNIV SW LOUISIANA,CTR TELECOMMUN STUDIES LAFAYETTE LA 70504
Titolo Testata:
IEEE transactions on communications
fascicolo: 12, volume: 45, anno: 1997,
pagine: 1586 - 1594
SICI:
0090-6778(1997)45:12<1586:LBDODC>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
MULTIPLE-ACCESS CHANNELS; MULTIUSER DETECTORS; OPTIMUM DETECTION; CDMA SYSTEM; ALGORITHMS; FAMILY;
Keywords:
CDMA; MULTIUSER DETECTION; SPREAD-SPECTRUM COMMUNICATIONS;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
30
Recensione:
Indirizzi per estratti:
Citazione:
D.A. Pados e S.N. Batalama, "LOW-COMPLEXITY BLIND DETECTION OF DS CDMA SIGNALS - AUXILIARY-VECTOR RECEIVERS/", IEEE transactions on communications, 45(12), 1997, pp. 1586-1594

Abstract

A fresh look on the design of practical low-complexity direct-sequence code-division multiple-access (DS/CDMA) receivers is proposed from tile Wiener reconstruction-filter point of view, The natural outcome isthe emergence of a new class of linear scalar-parameterized auxiliary-vector receivers (filters). Then, the blind optimization of these receivers in the maximum signal-to-interference-plus-noise-ratio (SINR) sense becomes a straightforward procedure, The conceptual and computational simplicity of this general approach promises immediate practical utility, This new generation of receivers exhibits minimal optimization requirements and near-matched-filter (MF) operational complexity, Yet; theoretical arguments supported by numerical and simulation resultsincluded in this work suggest that the blind auxiliary-vector receiver compares favorably, both complexity-wise and performance-wise, to multiuser (MU) detectors such as the minimum output energy (MOE) [18] and the decorrelating receiver [6], [7] (although the latter utilizes the assumed known spreading codes of all interfering users).

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Documento generato il 04/07/20 alle ore 20:41:35