Receiver device for a mobile radiocommunication unit...

Details Receiver device for a mobile radiocommunication unit... Receiver device for a mobile radiocommunication unit...

2005-08-09

2005-08-09

Tsang, Fan (Department: 2645)

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

C455S423000

Reexamination Certificate

active

06928274

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.

REFERENCES:
patent: 5513221 (1996-04-01), Parr et al.
patent: 5912886 (1999-06-01), Takahashi et al.
patent: 6463049 (2002-10-01), Abe et al.
patent: 6539004 (2003-03-01), Sawyer
patent: 2276064 (1994-09-01), None
M. Sakamoto et al, “Adaptive Channel Estimation with Velocity Estimator for W-CDMA Receiver”, Vehicular Tecnology Conference Proceedings, 2000, Spring, Tokyo, 2000, IEEE 51ST, vol. 3, May 15-18, 2000, pp. 2024-2028, XP002168101.

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