Abstract
The adaptive RAKE filter can be used in spread spectrum systems to combine the separate signal energies received due to multipath propagation effects. However, shorter length coding schemes are often subject to significant autocorrelation sidelobes, which when incorporated into the RAKE scheme cause further interference. A new approach to combining these signal energies is made possible using the adaptive multipath cancellation receiver and the improved RAKE filter is shown to avoid the sidelobe interference experienced with nonideal autocorrelation functions.
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