Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Patent
1996-12-05
2000-02-08
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
455519, H04B 700
Patent
active
060236264
ABSTRACT:
A method and a mobile unit for allocating speech items to mobile units communicating on a direct mode channel. In the method, a transmission of a first mobile unit is sent during the speech item of that mobile unit on the direct mode channel; a second mobile unit takes the speaking turn; and the transmission of the second mobile unit is sent during the speech item of the second mobile unit on the direct mode channel. The mobile units communicating on the direct mode channel are directed to operate in such a way that the first mobile unit is given the priority to start a speech item or request a speaking turn after the termination of the speech item of the second mobile unit before the other mobile units communicating on the direct mode channel.
REFERENCES:
patent: 4677656 (1987-06-01), Burke et al.
patent: 5465391 (1995-11-01), Toyryla
patent: 5471646 (1995-11-01), Schultz
patent: 5634197 (1997-05-01), Paavonen
MPT 1343, Performance Specification: System Interface Specification for radio units to be used with commercial trunked networks operating in Band III sub-bands 1 and 2, Jan. 1988, revised Sep. 1991.
Kinnunen Kimmo
Schroderus Osmo
Bhattacharya Sam
Eisenzopf Reinhard J.
Nokia Telecommunications Oy
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