Mobile communication system wherein a base station transfers to

Details Mobile communication system wherein a base station transfers to Mobile communication system wherein a base station transfers to

1995-05-09

1998-11-24

Chin, Wellington

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455432, 455524, H04Q 722

Patent

active

058421289

ABSTRACT:
When a mobile unit (21(p)) initiates a call for communication in a first cell of a first cell set identified in an overall service area of base stations or cell sites by a first area identifier and moves into a second cell of a second cell set identified by a second area identifier, the first area identifier is transferred (S3(n1)) from a first station (17(n1)) corresponding to the first cell to a second station (17(n2)) corresponding to the second cell. When the unit terminates the communication while present in the second cell, the second area identifier is transmitted (S3(n2)) to a central office (11) and to the unit if the second area identifier is judged (S2(n2)) different from the first area identifier. Each station therefore comprises a transferring and a transmitting arrangement. Preferably, a channel disconnection signal (43) carries such a second area identifier. The communication can be terminated at a counterpart unit.

REFERENCES:
patent: 4025853 (1977-05-01), Addeo
patent: 4775999 (1988-10-01), Williams
patent: 5003629 (1991-03-01), Ness-Cohn et al.
patent: 5008925 (1991-04-01), Pireh
patent: 5101500 (1992-03-01), Marui
patent: 5101501 (1992-03-01), Gilhousen et al.
patent: 5210787 (1993-05-01), Hayes et al.
patent: 5212822 (1993-05-01), Fukumine et al.
patent: 5305644 (1994-04-01), Taketsugu

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