Method and system for dynamic group radio using existing telepho

Details Method and system for dynamic group radio using existing telepho Method and system for dynamic group radio using existing telepho

1997-09-04

2000-06-06

Hunter, Daniel S.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455519, 455426, 455427, 455518, H03F 358, H04B 360

Patent

active

060730145

ABSTRACT:
A group radio system (10) uses a group radio controller (230) to connect and manage remote units (20-100) through a wireline switched telephony network. The group radio controller receives voice or data from any of the remote units and repeats this to the others who are connected to the group channel. The group radio controller also assigns remote units in communication with the group channel via satellites (300,400) and other remote units also in communication with the group channel via a terrestrial cellular host network (90) to be anchor radios. The use of anchor radios for these types of users significantly lowers the cost to the group for this type of global radio service.

REFERENCES:
patent: 4654867 (1987-03-01), Labedz et al.
patent: 5533098 (1996-07-01), Lee
patent: 5717830 (1998-02-01), Sigler et al.
patent: 5903847 (1999-05-01), Heiskari et al.
patent: 5907794 (1999-05-01), Lehmusto et al.

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