Method of and apparatus for advanced directed retry

Details Method of and apparatus for advanced directed retry Method of and apparatus for advanced directed retry

1991-12-17

1994-02-15

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

455 561, 455 582, 379 59, H04Q 700

Patent

active

052875458

ABSTRACT:
According to the cellular mobile radiotelephone call access method of the present invention, a directed retry message is sent in response to an attempted call access in a first cell experiencing congestion. A subsequent retry and a second cell of the attempted call access is detected, and, if a traffic channel allocated to the first cell is then available, a traffic channel allocated to the first cell is assigned from the second cell. The call is therefore established in the original cell more often, and interference is reduced.

REFERENCES:
patent: 3913017 (1975-10-01), Imaseki
patent: 4670899 (1987-06-01), Brody et al.
patent: 4718081 (1988-01-01), Brenig
patent: 4775999 (1988-10-01), Williams
patent: 4829554 (1989-05-01), Barnes et al.
patent: 4893327 (1990-01-01), Stern et al.

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