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The third-generation universal mobile telecommunications system uses the high signal bandwidth for the WCDMA system (5 MHz) allows the received signal to be split into distinct multipath with high resolution. The rake receiver combines the received signals from different paths into a composite signal with substantially better characteristics for demodulation than a single path and maximizing the amount of received signal energy. This paper derived both the combination of rake receiver and equalizer. The output of the rake receiver is fed to the equalizer for filter the white noise presence in the receiving signal.
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