Method of disconnecting an established communication connection

Details Method of disconnecting an established communication connection Method of disconnecting an established communication connection

1994-01-27

1996-07-09

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455 331, 455 341, 455 342, 455 541, 455 581, 370 951, H04B 100

Patent

active

055354297

ABSTRACT:
A method of forcibly disconnecting a communications connection established between a mobile station and a mobile services switching network, depending on whether the communications connection initially allocated to the mobile station has deteriorated or that a call connection or a handover attempt has failed. With the intention of forcing the mobile station to relinquish the allocated channel, the network transmits to the mobile station a signal which activates a time monitoring process in the mobile station, which thereby sends an acknowledgement signal back to the network. When the network does not wish the mobile station to retain the allocated channel, a signal which would stop the time monitoring process is not sent to the mobile station, thereby resulting in the release of the communications channel. Also described is a mobile station which includes counter-circuits for effecting the time monitoring process.

REFERENCES:
patent: 4736461 (1988-04-01), Kawasaki et al.
patent: 4809268 (1989-02-01), Tejima et al.
patent: 4984290 (1991-01-01), Levine et al.
patent: 5008953 (1991-04-01), Dahlin et al.
patent: 5027427 (1991-06-01), Shimizu
patent: 5142533 (1992-08-01), Crisler et al.
"Digital Cellular Telecommunication System RCR Standard", RCR STD-27A, Version Jan. 1992, Research and Development Center for Radio Systems (RCR), Chapters 4.3.5.2.21-22 and 4.3.8.4.

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