Digital-to-radio frequency conversion device, chip set, transmitter, user terminal and data processing method

A data processing method in a communication device, the method comprising:

• providing a digital data signal;
• dividing the digital data signal into data signal groups;
• generating clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal groups;
• synchronizing the data signal groups by using the clock signals;
• conveying the synchronized data signal groups to conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• synchronizing each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values;
• and
• converting the digital data signal to an analog signal by using the conversion cell matrices.

A chip set for digital-to-radio frequency conversion, the chip set comprising:

• conversion cell matrices for digital-to-radio frequency conversion;
• means for providing a digital data signal;
• means for dividing the digital data signal into data signal groups;
• means for generating clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal-groups;
• means for synchronizing the data signal groups by using the clock signals;
• means for conveying the synchronized data signal groups to the conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• and
• means for synchronizing each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values.

A transmitter for digital-to-radio frequency conversion, the transmitter comprising:

• conversion cell matrices for digital-to-radio frequency conversion;
• means for providing a digital data signal;
• means for dividing the digital data signal into data signal groups;
• means for generating clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal groups;
• means for synchronizing the data signal groups by using the clock signals;
• means for conveying the synchronized data signal groups to the conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• and
• means for synchronizing each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values.

A user terminal for digital-to-radio frequency conversion, the user terminal comprising:

• conversion cell matrices for digital-to-radio frequency conversion;
• means for providing a digital data signal;
• means for dividing the digital data signal into data signal groups;
• means for generating clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal groups;
• means for synchronizing the data signal groups by using the clock signals;
• means for conveying the synchronized data signal groups to the conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• and
• means for synchronizing each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values.

A device for digital-to-radio frequency conversion, the device comprising:

• conversion cell matrices for digital-to-radio frequency conversion;
• the device configured to:
• provide a digital data signal;
• divide the digital data signal into data signal groups;
• generate clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal groups;
• synchronize the data signal groups by using the clock signals;
• convey the synchronized data signal groups to the conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• and
• synchronize each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values.

A chip set for digital-to-radio frequency conversion, the chip set comprising:

• conversion cell matrices for digital-to-radio frequency conversion;
• the chip set configured to:
• provide a digital data signal;
• divide the digital data signal into data signal groups;
• generate clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal groups;
• synchronize the data signal groups by using the clock signals;
• convey the synchronized data signal groups to the conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• and
• synchronize each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values.

A transmitter for digital-to-radio frequency conversion, the transmitter comprising:

• conversion cell matrices for digital-to-radio frequency conversion, the transmitter configured to:
• provide a digital data signal;
• divide the digital data signal into data signal groups;
• generate clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal groups;
• synchronize the data signal groups by using the clock signals;
• convey the synchronized data signal groups to the conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• and
• synchronize each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values.

A user terminal for digital-to-radio frequency conversion, the user terminal comprising:

• conversion cell matrices for digital-to-radio frequency conversion, the user terminal configured to:
• provide a digital data signal;
• divide the digital data signal into data signal groups;
• generate clock signals, the clock signals having different phases, the number of clock signals being the same as the number of data signal groups;
• synchronize the data signal groups by using the clock signals;
• convey the synchronized data signal groups to the conversion cell matrices, the number of conversion cell matrices being the same as the number of data signal groups;
• and
• synchronize each conversion cell matrix by using the clock signal with which the synchronized data signal group conveyed thereto was synchronized for generating interpolation values.