A method for code alignment for dsss signal processing

G - Physics – 01 – S

Patent

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G01S 5/14 (2006.01) H04B 1/707 (2006.01)

Patent

CA 2573666

An embodiment (800) generally relates to a method of processing direct-sequence spread spectrum signals for temporal alignment between a received direct sequence spread spectrum (DSSS) signal and a local reference signal. The method includes receiving the received DSSS signal with bandwidth to resolve at least N samples per code chip (905) and de-spreading the received DSSS signal to recover an elemental waveform within the received DSSS signal for an interval greater than one code chip interval as a first processing stage (910). The method also includes determining a discriminator value based on the elemental waveform as a second processing stage (920) and operating a delay-locked loop based on the discriminator value to adjust an alignment between the received DSSS signal and the local reference signal (925).

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