Telecommunications – Carrier wave repeater or relay system – Monitoring
Patent
1990-09-28
1993-11-16
Eisenzopf, Reinhard J.
Telecommunications
Carrier wave repeater or relay system
Monitoring
455 341, 455 342, 455 541, 455134, H04B 160, H04B 1702
Patent
active
052631753
ABSTRACT:
A diversity repeater that incorporates diversity diagnostic circuitry. The diversity diagnostic circuitry monitors the outputs of at least two receivers and determines the signal strength of the transmissions received by each receiver. If the signal strength for a particular receiver is below a predetermined threshold, the diversity diagnostic circuitry determines whether that receiver is receiving a rayleigh faded transmission or is an inoperative mode.
REFERENCES:
patent: 4035728 (1977-07-01), Ishikawa et al.
patent: 4039947 (1977-08-01), Miedema
patent: 4317229 (1982-02-01), Craig et al.
patent: 4823398 (1989-04-01), Hashimoto
patent: 4868885 (1989-09-01), Perry
patent: 4965548 (1990-10-01), Fayfield
Eisenzopf Reinhard J.
Keough Timothy H.
Markison Timothy W.
Motorola Inc.
Parmelee Steven G.
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