Multipath compensation for signal receivers

Details Multipath compensation for signal receivers Multipath compensation for signal receivers

2005-02-22

2010-06-15

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S316000, C375S346000, C455S133000, C370S225000, C370S228000

Reexamination Certificate

active

07738609

ABSTRACT:
This invention provides a signal synchronizer that is capable of minimizing the effects of multi-path reception. The signal synchronizer provides signal samples from a first signal source and a second signal source for generating an output signal. The signal synchronizer includes a memory for storing signal samples obtained from a first signal source and for storing signal samples obtained from a second signal source. Circuitry in the synchronizer determines a signal transit time difference between the first signal source and the second signal source. A readout controller then determines a memory offset from the signal transit time difference. The memory offset specifies a location in the memory from which to begin reading the signal samples obtained from the second signal source.

REFERENCES:
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patent: 6188447 (2001-02-01), Rudolph et al.
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patent: WO 01/50648 (2001-07-01), None
patent: WO 02/15412 (2002-02-01), None

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