Patent ID: 6584141
Filing Date: 2003-06-24
Classification: H04B

Abstract:
A DS-CDMA communication system comprising:a transmitter for generating a first sequence of pulses with pulse shape given by p&af;(tTc)â€ƒwhere t is time and Tc is width of the pulse, said pulses having an the auto-correlation function q&af;(tTc);â€ƒand a receiver for receiving said first sequence of pulses, said receiver comprising: means for generating a second sequence of pulses with pulse shape given by p&af;(tTc);a correlator for correlating said first and second sequence of pulses to obtain a correlation function; and a peak detector for detecting peaks in said correlation function, wherein, in the absence of interference, said correlation function is proportional to q&af;(tTc)-q&af;(tTc-1).