Apparatus and method for estimating a velocity of a mobile...

Details Apparatus and method for estimating a velocity of a mobile... Apparatus and method for estimating a velocity of a mobile...

2004-03-10

2008-05-06

Ramakrishnaiah, Melur (Department: 2614)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S441000, C455S440000, C455S522000, C455S067110

Reexamination Certificate

active

07369876

ABSTRACT:
A base station apparatus and method for estimating a velocity of a mobile station in a mobile communication system are provided. In the apparatus and 9 method, a channel estimator receives a signal on a radio channel from the mobile station and performs channel estimation using the received signal. A velocity estimator detects a power spectrum value of the channel estimator, and provides the channel estimator with a channel estimation coefficient for use during channel estimation according to a Doppler shift frequency value of power estimated from the mobile station when the velocity of the mobile station is unchanged.

REFERENCES:
patent: 5513221 (1996-04-01), Parr et al.
patent: 6006245 (1999-12-01), Thayer
patent: 6842624 (2005-01-01), Sarkar et al.
patent: 2002-320277 (2002-10-01), None
patent: 2003-023395 (2003-01-01), None

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