Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2006-10-24
2006-10-24
Phu, Phuong (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S142000, C375S149000, C375S145000
Reexamination Certificate
active
07126982
ABSTRACT:
An apparatus and method of determining a signal code. The method comprising steps of acquiring and correlating a signal with a first code sequence. In response to the correlation of the signal with a first code sequence a timing lock is achieved. Also in response to the signal correlation, an acknowledgement from a receiver of the signal to a transmitter of the signal is sent where upon the receiver and transmitter change to a second code sequence.
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Barham Steven T.
Kingston Samuel
Leahy Ronald
Sylvester Randal R.
L-3 Communications Corporation
Perman & Green LLP
Phu Phuong
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