Co-located subscriber unit to subscriber unit communication with

Details Co-located subscriber unit to subscriber unit communication with Co-located subscriber unit to subscriber unit communication with

1995-12-20

1998-04-07

Eisenzopf, Reinhard J.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 131, 455 341, H04B 7212

Patent

active

057376859

ABSTRACT:
A satellite communication system (SCS)(100) and method (300) are provided that provide a geographically co-located user assignment system. For unit-to-unit communication, each group of subscriber units is instructed to operate in a half-duplex unit to unit mode. The geographically co-located user assignment system comprises an assignment unit (201), a storage unit (203), and an instruction unit (205) such that a first subscriber unit (204) initiates unit to unit communication with at least a second subscriber unit (206, . . . ) in the first subscriber unit's user group utilizing a multiple access channel assigned to that group by transmitting on an assigned satellite downlink frequency of the multiple-access channel on a push-to-talk basis.

REFERENCES:
patent: 4506383 (1985-03-01), McGaun
patent: 4979170 (1990-12-01), Gilhousen et al.

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