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DSSS enhanced with a coarse time synchronization loop

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DSSS enhanced with a coarse time synchronization loop



This is a DSSS Modulation Trx/Rcxr simulation, powered by a coarse initial code aquisition loop

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The .m file simulates a Spread-Spectrum Modulation Trx/Rcx system, in which, the phase of the pseudo-random sequence generated in the transmitter and used to encode the data stream is unknown a priory at the receiver.A parallel search strategy is employed to locally determine it in the place. It works as here: selecting the maximam-energy low-pass filtered signal of the set of all hypothesied despreaded ones using different hypothesized phases for the PN-sequence.The simulation can be growed in several ways including considering various types of noise and jammings or also designing better filters.

Required Products Communications Blockset
MATLAB release MATLAB 7.7 (R2008b)
Other requirements Windows(Vista is prefered) Unix Linux
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08 Sep 2010 Rabia

Rabia (view profile)

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