GMSK-receiver with interference cancellation

Details GMSK-receiver with interference cancellation GMSK-receiver with interference cancellation

2011-03-15

2011-03-15

Deppe, Betsy L (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

C375S341000, C375S347000, C375S350000

Reexamination Certificate

active

07907685

ABSTRACT:
A GMSK receiver with interference cancellation includes a linear equalizer configured to be coupled to a received signal from a first antenna and to provide first soft bits, an adaptive estimator, e.g., adaptive MLSE coupled to the first soft bits and configured to provide second soft bits; a quality assessor coupled to the first soft bits and configured to provide a quality indication; and a switching function coupled to the linear equalizer and the adaptive MLSE and controlled in accordance with the quality indication to provide output soft bits corresponding to at least one of the first soft bits and the second soft bits. The GMSK receiver can be extended to multiple antennas and corresponding methods for interference cancellation in a GMSK signal are discussed.

REFERENCES:
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International Search report for corresponding PCT Application No. PCT/US08/69054 mailed Nov. 13, 2008.
Richard Kobylinski, Ayman Mostafa and Arunabha Ghosh, “Multiple Antenna Interference Cancellation (MAIC) Advanced Receiver for GSM Networks”, 2004.

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