Despreading is the most computationally demanding task of a direct sequence spread spectrum (DSSS) receiver. This operation can be efficiently performed by exploiting bit-wise parallel algorithms using quantized local carriers. The correlation loss due to the use of a quantized local carrier is determined, and a new class of bit-wise parallel correlation algorithms is obtained by decomposing the local carrier into a linear combination of bipolar square waves minimizing the correlation loss.
Square Wave Decomposition for Fast Correlation in DSSS Receivers
IEEE Transactions on Aerospace and Electronic Systems ; 49 , 2 ; 969-981
2013-04-01
5583863 byte
Article (Journal)
Electronic Resource
English
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