Pilot signal reception level averaging system

Details Pilot signal reception level averaging system Pilot signal reception level averaging system

1998-09-01

2000-09-05

Tsang, Fan

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455 676, 370331, H04B 1700, H04Q 700

Patent

active

061156140

ABSTRACT:
Pass band characteristics of an averaging filter is controlled in accordance with a predicted bandwidth occupied for propagation loss fluctuation that is obtained by a propagation loss fluctuation bandwidth predicting unit. For the prediction of the propagation loss fluctuation bandwidth, a fluctuation rate of pilot signal reception levels is measured by a mobile station as well as the radius of a cell and the height of an antenna. The pass band of the averaging filter is broaden with the prediction that the faster the pilot signal reception levels fluctuate and the smaller the cell radius is, the faster the propagation loss fluctuates.

REFERENCES:
patent: 5381444 (1995-01-01), Tajima
patent: 5689812 (1997-11-01), Takahashi
patent: 5926768 (1999-07-01), Lewiner et al.
patent: 6021316 (2000-02-01), Heiska et al.

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