Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain

1. A transmitter configured to compensate for non-linearities of a transmission chain, the transmitter comprising:

a first forming unit configured to form at least one time-domain compensation parameter vector;

a second forming unit configured to form at least one frequency-domain compensation parameter vector;

a determining unit configured to determine at least one set of signal properties modeling non-linearities in a transmission chain;

a third forming unit configured to form, based on the at least one set of signal properties, at least one state expansion vector comprising quantities characterizing a signal;

a modifier configured to modify the signal characterizing quantities of at least one state expansion vector with the at least one time-domain compensation parameter vector and with the at least one frequency-domain compensation parameter vector to form a pre-distorted signal;

a fourth forming unit configured to form a feedback signal from an output signal of a transmission chain;

a first adapter configured to adapt the at least one time-domain compensation parameter vector based on a residual error between a transmit signal and the feedback signal; and

a second adapter configured to adapt the at least one frequency-domain compensation parameter vector based on the residual error between the transmit and the feedback signal.

2. The transmitter of claim 1 , further comprising:

a selector configured to select the at least one time-domain compensation parameter vector based on at least one of a transmission power, a frequency, a bandwidth or another transmission chain property.

3. The transmitter of claim 1 , further comprising:

a selector configured to select at least one frequency-domain compensation parameter vector based on at least one of a transmission power, a frequency, a bandwidth or another transmission chain property.

4. The transmitter of claim 1 , further comprising:

a selector configured to select state expander functions based on a transmission power, a frequency, a bandwidth or another transmission chain property.

5. The transmitter of claim 1 , further comprising:

a search unit configured to search the at least one time-domain compensation parameter vector and the at least one frequency-domain compensation parameter vector for predetermined signal properties.

6. The transmitter of claim 1 , further comprising:

a distorting unit configured to perform a time-domain pre-distortion in a polar coordinate system.

7. A transmitter configured to compensate for non-linearities of a transmission chain, the transmitter comprising:

a first forming unit configured to form at least one time-domain compensation parameter vector;

a second forming unit configured to form at least one frequency-domain compensation parameter vector;

a determining unit configured to determine at least one set of signal properties modeling the non-linearities in a transmission chain;

a third forming unit configured to form, based on the at least one set of signal properties, at least one state expansion vector comprising quantities characterizing a signal;

a modifier configured to modify the signal characterizing quantities of at least one state expansion vector with the at least one time-domain compensation parameter vector and with the at least one frequency-domain compensation parameter vector to form a pre-distorted signal;

a fourth forming unit configured to form a feedback signal from an output signal of a transmission chain;

a filter configured to filter the feedback signal to minimize a non-linear frequency response of a feedback chain;

a first adapter configured to adapt the at least one time-domain compensation parameter vector based on a residual error between a transmit signal and the feedback signal;

a second adapter configured to adapt the at least one frequency-domain compensation parameter vector based on the residual error between the transmit signal and the feedback signal; and

a third adapter configured to adapt at least one compensation parameter vector of a feedback filter based on the residual error between the transmit signal and the feedback signal.

8. The transmitter of claim 7 , further comprising:

a fourth adapter configured to adapt compensation parameters of the at least one compensation parameter vector based on the residual error between the transmit signal and the feedback signal.

9. The transmitter of claim 7 , further comprising:

a distorting unit configured to perform a time-domain pre-distortion; and

a fourth adapter configured to adapt the at least one time-domain compensation parameter vector in a polar coordinate system.

10. A module, wherein non-linearities of a transmission chain are compensated for, the module comprising:

a first forming unit configured to form at least one time-domain compensation parameter vector;

a second forming unit configured to form at least one frequency-domain compensation parameter vector;

a determining unit configured to determine at least one set of signal properties modeling nonlinearities in a transmission chain;

a third forming unit configured to form, based on the at least one set of signal properties, at least one state expansion vector comprising quantities characterizing a signal;

a modifier configured to modify the signal characterizing quantities with the at least one time-domain compensation parameter vector and with the at least one frequency-domain compensation parameter vector to form a pre-distorted signal;

a fourth forming unit configured to form a feedback signal from a transmission chain output signal;

a first adapter configured to adapt the at least one time-domain compensation parameter vector based on a residual error between a transmit signal and the feedback signal; and

a second adapter configured to adapt the at least one frequency-domain compensation parameter vector based on the residual error between the transmit signal and the feedback signal.

11. A module, wherein nonlinearities of a transmission chain are compensated for, the module comprising:

a first forming unit configured to form at least one time-domain compensation parameter vector;

a second forming unit configured to form at least one frequency-domain compensation parameter vector;

a determining unit configured to determine at least one set of signal properties modeling the nonlinearities in a transmission chain;

a third forming unit configured to form, based on the at least one set of signal properties, at least one state expansion vector comprising quantities characterizing a signal;

a modifier configured to modify the signal characterizing quantities with the at least one time-domain compensation parameter vector and with the at least one frequency-domain compensation parameter vector to form a pre-distorted signal;

a fourth forming unit configured to form a feedback signal from an output signal of a transmission chain;

a filter configured to filter the feedback signal to minimize a non-linear frequency response of a feedback chain;

a first adapter configured to adapt the at least one time-domain compensation parameter vector based on a residual error between a transmit signal and the feedback signal;

a second adapter configured to adapt the at least one frequency-domain compensation parameter vector based on the residual error between the transmit signal and a feedback signal; and

a third adapter configured to adapt at least one compensation parameter vector of a feedback filter based on the residual error between the transmit signal and the feedback signal.

12. A module, wherein non-linearities of a transmission chain are compensated for, the module comprising:

first forming means for forming at least one time-domain compensation parameter vector;

second forming means for forming at least one frequency-domain compensation parameter vector;

determining means for determining at least one set of signal properties modeling nonlinearities in a transmission chain;

third forming means for forming, based on the at least one set of signal properties, at least one state expansion vector comprising quantities characterizing a signal;

modifying means for modifying the signal characterizing quantities with the at least one time-domain compensation parameter vector and with the at least one frequency-domain compensation parameter vector to form a pre-distorted signal;

fourth forming means for forming a feedback signal from a transmission chain output signal;

first adapting means for adapting the at least one time-domain compensation parameter vector based on a residual error between a transmit signal and the feedback signal; and

second adapting means for adapting the at least one frequency-domain compensation parameter vector based on the residual error between the transmit signal and the feedback signal.

13. A module, wherein nonlinearities of a transmission chain are compensated for, the module comprising:

first forming means for forming at least one time-domain compensation parameter vector;

second forming means for forming at least one frequency-domain compensation parameter vector;

determining means for determining at least one set of signal properties modeling the nonlinearities in a transmission chain;

third forming means for forming, based on the at least one set of signal properties, at least one state expansion vector comprising quantities characterizing a signal;

modifying means for modifying the signal characterizing quantities with the at least one time-domain compensation parameter vector and with the at least one frequency-domain compensation parameter vector to form a pre-distorted signal;

fourth forming means for forming a feedback signal from an output signal of a transmission chain;

filtering means for filtering the feedback signal to minimize a non-linear frequency response of a feedback chain;

first adapting means for adapting the at least one time-domain compensation parameter vector based on a residual error between a transmit signal and the feedback signal;

second adapting means for adapting the at least one frequency-domain compensation parameter vector based on the residual error between the transmit signal and a feedback signal; and

third adapting means for adapting at least one compensation parameter vector of a feedback filter based on the residual error between the transmit signal and the feedback signal.