Title :
Synchronization improvements using traceability in spread spectrum signal design
Author :
Osadciw, L.A. ; Titlebaum, Edward L.
Author_Institution :
Dept. of Electr. Eng., Syracuse Univ., NY, USA
fDate :
10/1/2001 12:00:00 AM
Abstract :
Synchronization improvements using traceability information found in the narrowband auto-ambiguity function (NB AAF) are demonstrated. This new auto-ambiguity function property, traceability, is the key to defining a signal design approach for solving the synchronization problems in spread spectrum system such as communication systems, radar networks, and sonar systems. This work defines the property and introduces a new tracing synchronization scheme that significantly reduces initial synchronization time and the number of false synchronization events
Keywords :
Gaussian noise; code division multiple access; frequency hop communication; jamming; radar signal processing; sonar signal processing; spread spectrum communication; spread spectrum radar; synchronisation; white noise; Welch-Costas congruence code; communication systems; false synchronization events; frequency hop; frequency offset; grating lobes; initial synchronization time; jamming effect; linear congruence code; m-sequence; multipath effect; narrowband auto-ambiguity function; radar networks; serial search algorithm; signal design approach; sonar systems; spread spectrum signal design; synchronization improvements; traceability information; tracing algorithm; white Gaussian noise; Doppler shift; Frequency synchronization; Gratings; Narrowband; Niobium; Oscillators; Radar detection; Signal design; Spread spectrum communication; Spread spectrum radar;
Journal_Title :
Aerospace and Electronic Systems, IEEE Transactions on