Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Reexamination Certificate
2007-03-27
2007-03-27
Kumar, Pankaj (Department: 2611)
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
C375S262000, C375S316000, C375S346000, C714S794000
Reexamination Certificate
active
10402697
ABSTRACT:
A maximum likelihood sequence estimator (MLSE) sub-receiver is disclosed, in one embodiment of the present invention and includes an MLSE equalizer device responsive to input data to generate equalized data. The input data is generated from transmitted data by wireless transmission. The MLSE equalizer device processes the input data to generate residual channel response using a known codebook and the residual channel response to generate an MLSE codebook. The MLSE sub-receiver further includes an MLSE decoder responsive to the equalized data and the MLSE codebook for processing to determine maximum likelihood between the equalized data and the MLSE codebook. The MLSE decoder uses the maximum likelihood for decoding the equalized data to generate a decoded transmitted data by mitigating the effects of multi-path communication channel due to wireless transmission of the transmitted data.
REFERENCES:
patent: 5142551 (1992-08-01), Borth et al.
patent: 6735724 (2004-05-01), McClellan
patent: 2005/0280568 (2005-12-01), Rowland et al.
Ejaz Naheed
Imam Maryam
Kumar Pankaj
Law Offices of Imam
Ralink Technology, Inc.
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