Two pilot frequency control for communication systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 14, 1984
Grant Date -
N/A
app pub date -
Oct 4, 1982
filing date -
Oct 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Two pilot signals, derived so that there is a predetermined ratio between the frequency difference of the tones and the absolute frequency of either of the pilot signals, are transmitted from a reference station to each of a number of remote stations. At each receiving station, the frequency error is derived from the frequency difference of the two pilot signals, and this frequency error is used to adjust the frequency of the local oscillator.
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Cited Art Landscape
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