Subscriber unit for wireless digital telephone system

Details Subscriber unit for wireless digital telephone system Subscriber unit for wireless digital telephone system

1988-10-12

1993-01-05

Chin, Stephen

Multiplex communications

Wide area network

Packet switching

370111, H04J 312

Patent

active

051777410

ABSTRACT:
In a wireless digital telephone system, a circuit for determining in a subscriber unit whether a particular RF channel is of the type designated by the base station to be either a control channel or a voice channel and for determining whether the channel is in the transmit or receive mode; the circuit utilizing the duration of an AM hole to determine the type of the channel and utilizing a unique word for determining the mode.

REFERENCES:
patent: 4171467 (1979-10-01), Evenchik
patent: 4272845 (1981-06-01), Fiumani
patent: 4377860 (1983-03-01), Godbole
patent: 4437183 (1984-03-01), Profet
patent: 4581746 (1986-04-01), Arnold
patent: 4644561 (1987-02-01), Paneth et al.
patent: 4692945 (1987-09-01), Zdunek
patent: 4817089 (1985-03-01), Paneth et al.

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