DocumentCode :
1607539
Title :
An application of the maximum likelihood principle to semiblind space-time linear detection in multiple-access wireless communications
Author :
Bugallo, Mónica E. ; Miguez, Joaquín ; Castedo, Luis
Author_Institution :
Departamento de Electronica e Sistemas, Univ. da Coruna, Spain
fYear :
2001
fDate :
6/23/1905 12:00:00 AM
Firstpage :
198
Lastpage :
201
Abstract :
This paper introduces a novel semiblind approach to space-time linear detection in multiple-access systems. A new criterion for the selection of the linear receiver coefficients, based on the maximum likelihood (ML) principle, is derived and a practical implementation by means of a fast expectation-maximization (EM) algorithm is suggested. The semiblind criterion is obtained from a purely statistical point of view where the aim of training data is not to enhance performance but to eliminate misconvergence problems
Keywords :
diversity reception; maximum likelihood detection; multi-access systems; multipath channels; optimisation; radio links; statistical analysis; fast expectation-maximization algorithm; linear receiver coefficients; maximum likelihood principle; multiple receiving antennas; multiple transmitting antennas; multiple-access wireless communications; semiblind space-time linear detection; spatial diversity; temporal diversity; Antennas and propagation; Intersymbol interference; Iterative algorithms; MIMO; Maximum likelihood detection; Maximum likelihood estimation; Multiple access interference; Receiving antennas; Signal processing algorithms; Transmitting antennas;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Statistical Signal Processing, 2001. Proceedings of the 11th IEEE Signal Processing Workshop on
Print_ISBN :
0-7803-7011-2
Type :
conf
DOI :
10.1109/SSP.2001.955256
Filename :
955256
Link To Document :
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