Synchronization technique for non-colocated TV signals in a TDMA satellite communication system
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United States of America Patent
Stats
-
Mar 4, 1986
Grant Date -
N/A
app pub date -
Jun 16, 1983
filing date -
Jun 16, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a technique for the synchronization of multiplexed television signals within each burst signals received at a remote station or satellite in a TDMA communication system from non-colocated ground stations. The technique employs a dynamic master/slave ground station arrangement where a first station signing on assumes the role of the master ground station. Other stations subsequently signing on synchronize their transmissions to the master station signal burst or the signal burst of the last station to sign on by using apparatus which monitors the received burst from the remote station, measures its own signal delay to the distant station and then phase-locks its local subcarrier clock to the master or last station's transmission burst. Dynamic transfer to the second station signing on occurs when the current master station terminates transmission for any reason.
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