Telecommunications – Transmitter and receiver at separate stations
Patent
1995-07-12
1997-12-23
Pham, Chi H.
Telecommunications
Transmitter and receiver at separate stations
455 331, 455 332, 455 541, 455 561, 379 59, H04Q 700, H04Q 900
Patent
active
057015864
ABSTRACT:
Cell selection and reselection by mobile station in a cellular mobile radio network with a plurality of layers of cells includes, when the station is in a standby state and after selection of a cell by the station, identification of a layer containing the selected cell, reselection of cells in the layer during a predetermined time-delay, cumulative counting of the number of cells reselected in the layer during that time-delay, and comparison of the cumulative number with two thresholds. The reselection, cumulative counting and comparison steps are repeated if the cumulative number is between the thresholds. Otherwise, a change of layer is effected on the basis of the comparison and the previous steps are repeated, starting from the identification step. The mobile station selects the layer most appropriate to the speed at which it is travelling.
REFERENCES:
patent: 5513379 (1996-04-01), Benveniste et al.
patent: 5513380 (1996-04-01), Ivanov et al.
patent: 5530910 (1996-06-01), Taketsugu
patent: 5548806 (1996-08-01), Yamagichi et al.
Moreau Christophe
Tabbane Sami
Arthur Gertrude
France Telecom
Pham Chi H.
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