Arrangement for providing a call hand-off for a mobile station f

Details Arrangement for providing a call hand-off for a mobile station f Arrangement for providing a call hand-off for a mobile station f

1995-12-29

1999-06-15

Bost, Dwayne D.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455444, 455461, 455552, 455560, H04Q 720

Patent

active

059131667

ABSTRACT:
A private wireless system is configured for providing a call hand-off capability for a mobile station communicating with a private base station operating in the wireless system. The call in the wireless system is handed off to the public cellular system whenever the mobile station is moved near the fringe of the coverage area provided by the private base station. Once the hand-off is initiated in the private base station, a process is executed in which the private base station and a local exchange carrier cooperatively switch an active call from an existing wireless communications path established between the private base station and the mobile station to a newly created wireless communications path established between the mobile station and a public base station in the cellular system.

REFERENCES:
patent: 5101501 (1992-03-01), Gilhousen et al.
patent: 5127042 (1992-06-01), Gillig et al.
patent: 5260988 (1993-11-01), Schellinger et al.
patent: 5442680 (1995-08-01), Schellinger et al.
patent: 5463674 (1995-10-01), Gillig et al.
patent: 5566236 (1996-10-01), MeLampy et al.
patent: 5664005 (1997-09-01), Emery
patent: 5664007 (1997-09-01), Samadi et al.
patent: 5745852 (1998-04-01), Khan et al.
PN-3474.1 (IS-136.1 Rev A), V & V Version, "TDMA Cellular/PCS--Radio Interface--Mobile Station--Base Station Compatibility--Digital Control Channel, Revision A," Nov. 17, 1995.

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