Method and apparatus for estimating speed-adapted channel

Details Method and apparatus for estimating speed-adapted channel Method and apparatus for estimating speed-adapted channel

2007-04-17

2007-04-17

Pezzlo, John (Department: 2616)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C375S148000

Reexamination Certificate

active

10316703

ABSTRACT:
A method and apparatus is provided for estimating a speed-adapted channel. The method is operative to use a known transmit symbol of guide frequency field in each slot to derive a corresponding fading value of the guide frequency field in the estimation to decide feedback channel by linear interpolation at first; and accumulate and average them for eliminating noise and performing interpolation process for the channel fading value in an outgoing data field; then according to the moving speed of a mobile station, adjust the length of the channel fading of the guide frequency which takes part in the accumulation to adapt to influence caused by different channel fading. It realizes the objectives of making more subscribers to get better and necessary services and making use of the system's resource effectively and reasonably.

REFERENCES:
patent: 6240099 (2001-05-01), Lim et al.
patent: 6289217 (2001-09-01), Hamalainen et al.
patent: 0 762 703 (1997-03-01), None
patent: 0 912 019 (1998-10-01), None
patent: WO 96/42146 (1996-12-01), None

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