Device and method for processing a digital data signal in a CDMA radio transmitter
First Claim
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1. 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;
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; 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.
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Abstract
A device for processing a digital data signal in a CDMA radio transmitter includes a channelization device, a spectral shaping device and a frequency correction device. The channelization device adds a channel-individual CDMA code to the digital data signal, the spectral shaping device subjects the digital, channel-individualized data signal to a spectral shaping and the frequency correction device performs a spectral shift of the digital, spectrally shaped data signal.
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Citations
13 Claims
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1. A device for processing a digital data signal in a CDMA radio transmitter, comprising:
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a channelization device configured to impress a channel-individual CDMA code onto a digital data signal for providing a digital, channel-individualized data signal;
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; 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for processing a digital data signal in a CDMA radio transmitter, the method which comprises:
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impressing a channel-individual CDMA code onto a digital data signal for providing a digital, channel-individualized data signal;
spectrally shaping the digital, channel-individualized data signal for providing a digital, spectrally shaped data signal; and
performing a frequency correction by spectrally shifting the digital, spectrally shaped data signal. - View Dependent Claims (11, 12, 13)
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Specification