Radio telephone system switching control capability of control c

Details Radio telephone system switching control capability of control c Radio telephone system switching control capability of control c

1989-10-16

1992-03-10

Kuntz, Curtis

Telecommunications

Transmitter and receiver at separate stations

455 56, 455 62, 455 68, H04B 700

Patent

active

050955306

ABSTRACT:
A radio telephone switching control system having control channels which transmit/receive control data betweeen a plurality of movable terminals and a radio base station. The control channels include a mono-functional channel for access which is dedicated to access during data transmission/receiving by calling from the terminals. The control channel also includes a bi-functional channel for paging and access usable as a channel for paging one of the terminals as well as for access. The system contains a base station with a fault detector. Only one kind of control channel information is broadcast in the same service zone. All of the movable stations existing in same service zone scan the first or second range to decide the channel for access or paging according to the received control channel information. The system also sets the mono-functional channel for access and the bi-functional channel for paging and access, when a fault is not detected. Once a fault is detected, the second range is separated from the first range, whereby the mono-functional channel for paging is used only to transmit data for paging from the base station and the mono-functional channel for access is used to transmit/receive data related to actions other than paging to the terminals.

REFERENCES:
patent: 4750198 (1988-06-01), Harper
patent: 4799253 (1989-01-01), Stern et al.
patent: 4905301 (1990-02-01), Krolopp et al.

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