Method of allocating radio channels

Details Method of allocating radio channels Method of allocating radio channels

1996-02-28

1997-04-29

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

455 342, 455 541, H04Q 900

Patent

active

056258780

ABSTRACT:
A channel allocation method in a cellular radio system. The mobile radios have permanently stored in their memories a first group of radio channels scanned in a normal hunt sequence and a second group of radio channels scanned in a comprehensive hunt sequence. When the control channel of a base station is changed, a channel permanently belonging to the first group is allocated as a new control channel to the base station whenever such a channel is available. If a channel belonging to the second group has to be allocated as a control channel, it is transferred temporarily to the first group and the change of group is announced through control channels to the mobile radios. A channel permanently belonging to the first group is re-established as the control channel of a base station as soon as such a channel is available and the freed channel is returned to the second group.

REFERENCES:
patent: 4434506 (1984-02-01), Fujiwara et al.
patent: 4551852 (1985-11-01), Grauel et al.
patent: 4850033 (1989-07-01), Eizenhofer et al.
patent: 4870408 (1989-09-01), Zdunek et al.
patent: 5034993 (1991-07-01), Sasuta et al.
patent: 5119393 (1992-06-01), Dahlin et al.

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