Communication device with primitive synchronization signal
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United States of America Patent
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-
Mar 30, 2004
Issued Date -
N/A
app pub date -
Jan 4, 2000
filing date -
Jan 4, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A communications system includes a first modem and a second modem. The first modem is adapted to modulate and demodulate data in accordance with a set of operating parameters and transmit a request to change one of the operating parameters. The second modem is coupled to the first modem and adapted to modulate and demodulate data in accordance with the set of operating parameters, receive the request to change one of the operating parameters, and send a primitive synchronization signal to the first modem. The first modem is adapted to implement the change in response to receiving the primitive synchronization signal. A method for communicating messages requiring synchronization includes receiving symbols in a modem; analyzing the symbols to identify a primitive synchronization signal; and modifying a physical layer operating parameter of the modem in response to identifying the primitive synchronization signal.
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