Radio communication devices and methods for controlling a radio communication device

1. A user equipment device comprising:

a transmitter configured to transmit data at a data rate having an E-DCH Transport Format Combination Indicator (E-TFCI) based on a pre-determined maximum data rate pre-determined by a base station;

a determination circuit configured to determine a plurality of quality indicators indicative of a quality of the transmission of the data; wherein the plurality of determined quality indicators comprise a retransmission rate of the transmission of the data and a transmission power of the transmitter; and

a data rate changing circuit configured to compare each of the plurality of determined quality indicators to a respective quality indicator threshold of a plurality of pre-determined quality indicator thresholds, the data rate changing circuit further configured to change the E-TFCI to a changed E-TFCI if more than one of the plurality of determined quality indicators exceed the respective quality indicator thresholds of the plurality of pre-determined quality indicator thresholds;

the transmitter further configured to transmit at a changed data rate based on the changed E-TFCI.

2. The user equipment device of claim 1 , wherein the maximum data rate is represented by a maximum transmission block size.

3. The user equipment device of claim 1 ,

wherein the data rate changing circuit is configured to change the data rate by reducing the data rate if the retransmission rate is above a pre-determined retransmission rate threshold of the plurality of pre-determined quality indicator thresholds.

4. The user equipment device of claim 1 ,

wherein the data rate changing circuit is configured to change the data rate by reducing the data rate if the transmission power of the transmitter is above a pre-determined transmission power threshold of the plurality of pre-determined quality indicator thresholds.

5. The user equipment device of claim 1 ,

the transmitter further configured to transmit data at a transmission power which is based on a pre-determined maximum transmission power which is pre-determined by a base station;

the user equipment device further comprising a transmission power changing circuit configured to change the transmission power to a changed transmission power based on the plurality of determined quality indicators;

the transmitter further configured to transmit at the changed transmission power.

6. The user equipment device of claim 5 ,

the transmission power changing circuit configured to reduce the transmission power to the changed transmission power if a transmission power of the transmitter is above a pre-determined transmission power threshold of the plurality of pre-determined quality indicator thresholds.

7. The user equipment device of claim 1 ,

wherein the data rate which is based on the pre-determined maximum data rate is further based on an amount of data to be transmitted.

8. The user equipment device of claim 1 ,

wherein the data rate which is based on the pre-determined maximum data rate is equal to the pre-determined maximum data rate if the amount of data to be transmitted is above a pre-determined threshold.

9. The user equipment device of claim 1 ,

wherein the data rate which is based on the pre-determined maximum data rate is smaller than or equal to the pre-determined maximum data rate.

10. The user equipment device of claim 1 , wherein the data rate changing circuit is configured to change the data rate to the changed data rate if a first determined quality indicator of the plurality of determined quality indicators is below a first pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds or if the first determined quality indicator of the plurality of determined quality indicators is above a second pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds.

11. A method for controlling a user equipment device, the method comprising:

transmitting data at a data rate by a transmitter within the user equipment device;

wherein the data rate has an E-DCH Transport Format Combination Indicator (E-TFCI) based on a pre-determined maximum data rate pre-determined by a base station;

determining a plurality of quality indicators indicative of a quality of the transmission of the data by a determination circuit within the user equipment device; wherein the plurality of determined quality indicators comprise a retransmission rate of the transmission of the data and a transmission power of the transmitter;

comparing each of the plurality of determined quality indicators to a respective quality indicator threshold of a plurality of pre-determined quality indicator thresholds by a data rate changing circuit within the user equipment device;

changing the E-TFCI to a changed E-TFCI by the data rate changing circuit if more than one of the determined quality indicators exceeds the respective quality indicator thresholds of the plurality of predetermined quality indicator thresholds; and

transmitting at a changed data rate based on the changed E-TFCI by the transmitter.

12. The method of claim 11 ,

wherein the maximum data rate is represented by a maximum transmission block size.

13. The method of claim 11 ,

wherein changing the data rate comprises reducing the data rate if the retransmission rate is above a pre-determined retransmission rate threshold of the plurality of pre-determined quality indicator thresholds.

14. The method of claim 11 ,

wherein changing the data rate comprises reducing the data rate if a transmission power of the transmitter is above a pre-determined transmission power threshold of the plurality of pre-determined quality indicator thresholds.

15. The method of claim 11 , further comprising:

transmitting data at a transmission power which is based on a pre-determined maximum transmission power which is pre-determined by a base station;

changing the transmission power to a changed transmission power based on the plurality of determined quality indicators; and

transmitting at the changed transmission power.

16. The method of claim 15 , further comprising:

reducing the transmission power to the changed transmission power if a transmission power of the transmitter is above a pre-determined transmission power threshold of the plurality of quality indicator thresholds.

17. The method of claim 11 ,

wherein the data rate which is based on the pre-determined maximum data rate is further based on an amount of data to be transmitted.

18. The method of claim 11 ,

wherein the data rate which is based on the pre-determined maximum data rate is smaller than or equal to the pre-determined maximum data rate.

19. The user equipment device of claim 11 , further comprising changing the data rate to the changed data rate if a first determined quality indicator of the plurality of determined quality indicators is below a first pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds or if the first determined quality indicator of the plurality of determined quality indicators is above a second pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds.

20. A user equipment device comprising:

a transmitter configured to transmit data using a data block size having an E-DCH Transport Format Combination Indicator (E-TFCI) based on a pre-determined maximum data block size pre-determined by a base station;

a determination circuit configured to determine a plurality of quality indicators indicative of a quality of the transmission of the data; wherein the plurality of determined quality indicators comprise a retransmission rate of the transmission of the data and a transmission power of the transmitter; and

a data block size changing circuit configured compare each of the plurality of determined quality indicators to a respective quality indicator threshold of a plurality of pre-determined quality indicator thresholds, the data block size changing circuit further configured to change the E-TFCI to a changed E-TFCI if more than one of the plurality of determined quality indicators exceed the respective quality indicator thresholds of the plurality of pre-determined quality indicator thresholds;

the transmitter further configured to transmit at a changed data block size based on the changed E-TFCI.

21. The user equipment device of claim 20 , wherein the data rate changing circuit is configured to change the data rate to the changed data rate if a first determined quality indicator of the plurality of determined quality indicators is below a first pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds or if the first determined quality indicator of the plurality of determined quality indicators is above a second pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds.

22. A method for controlling a user equipment device, the method comprising:

transmitting data using a data block size having an E-DCH Transport Format Combination Indicator (E-TFCI) based on a pre-determined maximum data block size pre-determined by a transmitter within the user equipment device;

determining a plurality of quality indicators indicative of a quality of the transmission of the data by a determination circuit within the user equipment device; wherein the plurality of determined quality indicators comprise a retransmission rate of the transmission of the data and a transmission power of the transmitter;

comparing each of the plurality of determined quality indicators to a respective quality indicator threshold of a plurality of pre-determined quality indicator thresholds by a data rate changing circuit within the user equipment device;

changing the E-TFCI to a changed E-TFCI by the data rate changing circuit if more than one of the plurality of determined quality indicators exceed the respective quality indicator thresholds of the plurality of pre-determined quality indicator thresholds; and

transmitting at a changed data block size based on the changed E-TFCI by the transmitter.

23. The method of claim 22 , further comprising changing the data rate to the changed data rate if a first determined quality indicator of the plurality of determined quality indicators is below a first pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds or if the first determined quality indicator of the plurality of determined quality indicators is above a second pre-determined quality indicator threshold of the plurality of pre-determined quality indicator thresholds.