Receiver device for a mobile radiocommunication unit employing a speed estimator
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United States of America Patent
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Aug 9, 2005
Grant Date -
Apr 11, 2002
app pub date -
Aug 30, 2001
filing date -
Aug 31, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A receiver device for a mobile radiocommunication unit communicating with a base station via a propagation channel includes a pathfinder for determining the time-delays associated with a multipath signal, a channel estimator supplying an estimate of the propagation channel to a filter unit, which can be made up of a bank of Wiener filters, which optimizes the estimates of the propagation channel, and to a speed estimator that supplies the estimated speed of the mobile radio communication unit to the filter unit so as to select the appropriate filter corresponding to the speed estimate.
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