Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1987-04-03
1988-08-02
Griffin, Robert L.
Pulse or digital communications
Spread spectrum
Direct sequence
370103, H04L 700
Patent
active
047617993
ABSTRACT:
A time-locking method for stations which form part of a local star network in a multiplex data transmission system in which the exchanges between stations are organized in a single frame permitting the simultaneous writing and reading by way of transmission modules which are connected to the network via a coupler. The method has a first phase during which the forward/return propagation time is measured between each station and the coupler, a second phase during which the stations are synchronized with the master station, and a third phase duration in which the time position of each station is fixed in a time slot reserved for the locking of this station in the multiplex.
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Cannon James J.
Chin Stephen
Griffin Robert L.
U.S. Philips Corporation
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