Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-03-28
1999-03-02
Chin, Wellington
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455450, 455464, 4551613, H04Q 728, H04Q 732, H04Q 736
Patent
active
058783415
ABSTRACT:
To authorize the selection of a cell in a cellular mobile radio network terminal in the standby state, a parameter is calculated representative of the transmission quality with reference to that cell. If the parameter has a sufficient value relative to a cell selection threshold, setting up of a call involving said terminal is authorized in relation to that cell. If the parameter does not have a sufficient value relative to the cell selection threshold, but has a sufficient value relative to a cell deselection threshold, less than the cell selection threshold, some or possibly all of the functions relating to setting up of a call involving said terminal are authorized in relation to that cell.
REFERENCES:
patent: 5345597 (1994-09-01), Strawczynski
patent: 5357561 (1994-10-01), Grube
patent: 5418839 (1995-05-01), Knuth et al.
patent: 5422933 (1995-06-01), Barnett et al.
patent: 5491717 (1996-02-01), Hall
patent: 5491837 (1996-02-01), Haartsen
patent: 5548808 (1996-08-01), Bruckert et al.
patent: 5594776 (1997-01-01), Dent
Jouin Christophe
Pinault Francis
Alcatel Mobile Phones
Chin Wellington
Ferguson Keith
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