Conducting handoff of a data transmission

Details Conducting handoff of a data transmission Conducting handoff of a data transmission

1996-01-30

1999-02-16

Cumming, William

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

370320, H04Q 722

Patent

active

058730354

ABSTRACT:
During a wireless communication of data in which modems (21, 24) are in use, a method of handing off the communication link (32) is described. The communication link (32) is handed off from a source base site (22) to a target base site (23). An interworking function (33) is then transfered from a source interworking unit (25) to a target interworking unit (26) by transfering protocol status (42) such as transmission control protocol. A cut over (34) from the source modem (21) to a target modem (24) is conducted once the interworking function (33) is transfered.

REFERENCES:
patent: 5195091 (1993-03-01), Farwell et al.
patent: 5491565 (1996-02-01), Naper
patent: 5590133 (1996-12-01), Billstrom et al.
patent: 5603081 (1997-02-01), Raith et al.
patent: 5608722 (1997-03-01), Miller

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