Demand-assignment multiple access control system

Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater

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Details

455 20, H04B 7185

Patent

active

049950967

ABSTRACT:
A DAMA control system for an SCPC satellite communication system includes first and second control stations which can independently perform centralized DAMA control through corresponding common signaling channels, a large number of slave stations capable of receiving data through either common signaling channel, and a satellite station. While one control station performs DAMA control, the other control station performs a backup operation. When one control station loses a control function, the other control station takes over centralized DAMA control.

REFERENCES:
patent: 4451916 (1984-05-01), Casper et al.
patent: 4491968 (1985-01-01), Shimp et al.
patent: 4763129 (1988-08-01), Perrotta

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