Patent ID: 7583638

Claim:
A device for processing a digital data signal in a CDMA radio transmitter, comprising: a channelization device configured to impress a channel-individual CDMA code onto a digital data signal for providing a digital, channel-individualized data signal, said channelization device outputting the digital, channel-individualized data signal at a first signal rate; a spectral shaping device operatively connected to said channelization device, said spectral shaping device being configured to subject the digital, channel-individualized data signal to a spectral shaping for providing a digital, spectrally shaped data signal, said spectral shaping device outputting the digital, spectrally shaped data signal with a second signal rate, causing the second signal rate to be M times higher than the first signal rate, where M is an integer and M≧2, the increased second signal rate being caused by sampling each signal component of the digital, channel-individualized data signal multiple times; and a frequency correction device operatively connected to said spectral shaping device, said frequency correction device being configured to spectrally shift the digital, spectrally shaped data signal.