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Titolo:
ERROR PROBABILITIES FOR QAM SYSTEMS ON PARTIALLY COHERENT CHANNELS WITH INTERSYMBOL INTERFERENCE AND CROSSTALK
Autore:
RIVERA C; RITCEY JA;
Indirizzi:
UNIV NACL AUTONOMA MEXICO,DEPT INGN ELECT,DIV ESTUDIOS POSGRADO,CIUDAD UNIV MEXICO CITY 04510 DF MEXICO UNIV WASHINGTON,DEPT ELECT ENGN SEATTLE WA 98195
Titolo Testata:
IEEE transactions on communications
fascicolo: 6, volume: 46, anno: 1998,
pagine: 775 - 783
SICI:
0090-6778(1998)46:6<775:EPFQSO>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
STEEPEST DESCENT INTEGRATION; COCHANNEL INTERFERENCE;
Keywords:
CROSSTALK; DIGITAL COMMUNICATIONS; ERROR PROBABILITY; ISI; QAM; SADDLEPOINT INTEGRATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
16
Recensione:
Indirizzi per estratti:
Citazione:
C. Rivera e J.A. Ritcey, "ERROR PROBABILITIES FOR QAM SYSTEMS ON PARTIALLY COHERENT CHANNELS WITH INTERSYMBOL INTERFERENCE AND CROSSTALK", IEEE transactions on communications, 46(6), 1998, pp. 775-783

Abstract

We describe an efficient procedure to calculate the probability of error P-e for a quadrature amplitude modulation (QAM) communications system operating over a channel that introduces distortion, interference,and noise. The method is an extension of the saddlepoint integration technique introduced by Helstrom to efficiently evaluate P, for one-dimensional pulse-amplitude modulation (PAM) systems with intersymbol interference (ISI) and crosstalk. We consider the effects of noise, random carrier phase offset, ISI, and crosstalk between the I and Q channels, The error probability is written as a double Laplace inversion integral and can be easily applied to any rectangular constellation, Thisintegral is calculated by extending the saddlepoint integration technique to two complex dimensions, Results are presented for QAM systems with 16, 64, and 256 symbols, The technique can be directly extended to environments with cochannel interference consisting of other QAM signals.

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Documento generato il 29/09/20 alle ore 19:50:51