Apparatus and method for synchronizing a plurality of remote tra

Details Apparatus and method for synchronizing a plurality of remote tra Apparatus and method for synchronizing a plurality of remote tra

1992-06-19

1994-01-11

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359110, 359158, 359173, 379379, 379 59, 455 331, H04B 1008, H04B 1000, H04B 1012

Patent

active

052786900

ABSTRACT:
System synchronization is achieved in a system of remote stations serving a particular cell site or base station by combining rf signals transmitted to the base station from the cell site with a reference signal to form a composite signal. This composite signal is used to modulate the output of a base station laser transmitter. The composite signal is transmitted to the remote station where the reference frequency is extracted and used to synchronize the rf circuits of the remote station. Special diagnostic features are built into the remote station transceivers so that equipment functioning may be monitored at the base station.

REFERENCES:
patent: 3824470 (1974-07-01), Eastmond
patent: 5046124 (1991-09-01), Wu et al.
patent: 5067173 (1991-11-01), Gordon et al.

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