Pulse or digital communications – Receivers – Interference or noise reduction
Patent
1998-01-23
2000-09-12
Chin, Stephen
Pulse or digital communications
Receivers
Interference or noise reduction
375229, 375341, 375347, H03D 104, H04B 110, H04L 106
Patent
active
061188328
ABSTRACT:
A method enabling a multiple sensor equalization in a radioelectrical receiver including a specified number of reception antennas, the method including the steps of estimating the transmission channel on each of the antennas; estimating the background noise component plus interference on each of the antennas on the basis of the estimation of the transmission channel; estimating the spatial correlation matrix referenced R.sub.b of the background noise component plus interferences from the received signal; computing a spatial-temporal filter formed for each discrete temporal element of the estimated multiple-sensor channel of a spatial filter; achieving a temporal filtering of the data elements on the different sensors by the spatial-temporal filter; and equalizing the signal at output of the spatial-temporal filter by one-dimensional equalization at a symbol rate deciding the symbols transmitted.
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Vila P. et al, "MLSE Antenna Diversity Equalization of a Jammed Frequency-Selective Fading Channel" Signal Processing VII: Theories and Applications, Proceedings of EUSIPCO 94, vol. 3 Sep. 13-16, 1994, Edinburgh, UK.
Pierre Vila, et al., "MLSE Antenna Diversity Equalization of a Jammed Frequency-Selective Fading Channel," SIGNAL PROCESSING VII: Theories and Applications Proceedings of EUSIPCO 94, vol. 3, (Sep. 1994), pp. 1516-1519 .
Mayrargue Sylvie
Pipon Fran.cedilla.ois
Vila Pierre
"Thomson-CSF"
Chin Stephen
France Telecom
Rupert Paul N.
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