Duplex interconnect/dispatch trunked radio system

Details Duplex interconnect/dispatch trunked radio system Duplex interconnect/dispatch trunked radio system

1986-08-13

1987-06-09

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

455 54, 455 56, 379 63, H04L 514, H04J 1500

Patent

active

046726012

ABSTRACT:
A dispatch trunked radio system which provides duplex or simplex telephone interconnect communications to subscriber units is described. The system allows duplex capable trunked system subscriber units to establish a full duplex communication link with conventional land based telephone interconnect service in accordance with a method which unifies the operation of the trunked system subscriber units, a plurality of trunked system repeaters, a trunked system central control unit, and a telephone interconnect control unit. The method of the present invention also provides improved trunked system performance by allowing simultaneous transmission and reception of channel controlling information.

REFERENCES:
patent: 4009346 (1977-02-01), Parker et al.
patent: 4009347 (1977-02-01), Flemming et al.
patent: 4012597 (1977-03-01), Lynk, Jr. et al.
patent: 4347625 (1982-08-01), Williams
patent: 4360927 (1982-11-01), Boden et al.
patent: 4399555 (1983-08-01), MacDonald et al.
patent: 4409687 (1983-10-01), Berti et al.
patent: 4553262 (1985-11-01), Coe

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