Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-10-16
2007-10-16
Smith, Creighton (Department: 2614)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S440000
Reexamination Certificate
active
10411501
ABSTRACT:
The present invention relates to a method for determining a nearest base station with respect to a mobile station from M base stations. First, the mobile station compares strengths of M signals received from M base stations with each other to determine a first base station, which has a strongest signal among M signals. Then, P strength differences of the strongest signal with P signals selected from the other (M-1) signals respectively are obtained. Finally, the first base station is determined as being the nearest base station when all strength differences are respectively larger than a predetermined value.
REFERENCES:
patent: 4531235 (1985-07-01), Brusen
patent: 5894599 (1999-04-01), Ishida et al.
patent: 6424643 (2002-07-01), Gutowski
patent: 6512931 (2003-01-01), Kim et al.
patent: 2002/0155843 (2002-10-01), Bahl et al.
patent: 2004/0058678 (2004-03-01), deTorbal
Benq Corporation
Smith Creighton
Snell & Wilmer L.L.P.
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