Joint parameter determination and separate cqi generation reporting for LTE-A multicarrier

1. A method for reporting channel quality in a multiple carrier system, comprising:

receiving higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

receiving one or more channel information feedback reporting parameters, the one or more channel information feedback reporting parameters determined based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

selecting, by a user equipment (UE), a number of sub-bands based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges;

determining a quality value for each of the selected sub-bands and a quality indicator value that is a function of the determined quality values;

generating one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration, wherein at least one of the one or more channel information feedback reports includes the quality indicator value, and wherein each channel information feedback report is generated in accordance with the one or more channel information feedback reporting parameters; and

transmitting, on the physical uplink channel, the one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration to an evolved NodeB (eNodeB).

2. The method of claim 1 , wherein the one or more channel information feedback reporting parameters comprise at least one of a sub-band size, a bandwidth part, or a preferred number of sub-bands on which to report.

3. The method of claim 1 , wherein the one or more channel information feedback reports comprise a User Equipment selected sub-band channel quality indicator (CQI) report.

4. The method of claim 1 , wherein the physical uplink channel comprises a Physical Uplink Shared Channel or a Physical Uplink Control Channel.

5. The method of claim 1 , wherein the transmitting comprises transmitting an index of the selected sub-bands.

6. The method of claim 1 , wherein the generating comprises generating at least one aggregated channel information feedback report for at least two of the plurality of DL carriers corresponding to first and second sub-bands of the number of sub-bands selected based on the total DL bandwidth, wherein the at least two of the plurality of DL carriers comprise a bandwidth less than a carrier system bandwidth and are at least one of adjacent carriers or carriers configured with the same DL transmission mode and/or channel quality indicator (CQI) reporting mode.

7. The method of claim 6 , wherein generating at least one aggregated channel information feedback report may be enabled on a per UE basis.

8. The method of claim 1 , wherein a plurality of M carriers are divided into sets of one or more carriers and the determining comprises determining one or more channel information feedback reporting parameters for each set.

9. An apparatus for reporting channel quality in a multiple carrier system, comprising:

one or more processors configured for:

receiving higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

receiving one or more channel information feedback reporting parameters, the one or more channel information feedback reporting parameters determined based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

selecting, by a user equipment (UE), a number of sub-bands based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges;

determining a quality value for each of the selected sub-bands and a quality indicator value that is a function of the determined quality values;

generating one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration, wherein at least one of the one or more channel information feedback reports includes the quality indicator value, and wherein each channel information feedback report is generated in accordance with the one or more channel information feedback reporting parameters; and

transmitting, on the physical uplink channel, the one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration to an evolved NodeB (eNodeB); and

memory coupled to the one or more processors.

10. The apparatus of claim 9 , wherein the one or more channel information feedback reporting parameters comprise at least one of a sub-band size, a bandwidth part, or a preferred number of sub-bands on which to report.

11. The apparatus of claim 9 , wherein the one or more channel information feedback reports comprise a User Equipment selected sub-band channel quality indicator (CQI) report.

12. The apparatus of claim 9 , wherein the physical uplink channel comprises a Physical Uplink Shared Channel or a Physical Uplink Control Channel.

13. The apparatus of claim 9 , wherein the transmitting comprises transmitting an index of the selected sub-bands.

14. The apparatus of claim 9 , wherein the one or more processors is further configured for:

generating at least one aggregated channel information feedback report for at least two of the plurality of DL carriers corresponding to first and second sub-bands of the number of sub-bands selected based on the total DL bandwidth, wherein the at least two of the plurality of DL carriers comprise a bandwidth less than a carrier system bandwidth and are at least one of adjacent carriers or carriers configured with the same DL transmission mode and/or channel quality indicator (CQI) reporting mode.

15. The apparatus of claim 14 , wherein the one or more processors is further configured to generate the at least one aggregated channel information feedback report on a per UE basis.

16. The apparatus of claim 9 , wherein a plurality of M carriers are divided into sets of one or more carriers and the determining comprises determining one or more channel information feedback reporting parameters for each set.

17. An apparatus for reporting channel quality in a multiple carrier system, comprising:

means for receiving higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

means for receiving one or more channel information feedback reporting parameters, the one or more channel information feedback reporting parameters determined based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

means for selecting, by a user equipment (UE), a number of sub-bands based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges;

means for determining a quality value for each of the selected sub-bands and a quality indicator value that is a function of the determined quality values;

means for generating one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration, wherein at least one of the one or more channel information feedback reports includes the quality indicator value, and

wherein each channel information feedback report is generated in accordance with the one or more channel information feedback reporting parameters; and

means for transmitting, on the physical uplink channel, the one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration to an evolved NodeB (eNodeB).

18. The apparatus of claim 17 , wherein the one or more channel information feedback reporting parameters comprise at least one of a sub-band size, a bandwidth part, or a preferred number of sub-bands on which to report.

19. The apparatus of claim 17 , wherein the one or more channel information feedback reports comprise a User Equipment selected sub-band channel quality indicator (CQI) report.

20. The apparatus of claim 17 , wherein the physical uplink channel comprises a Physical Uplink Shared Channel or a Physical Uplink Control Channel.

21. The apparatus of claim 17 , further comprising means for transmitting an index of the selected sub-bands.

22. The apparatus of claim 17 , wherein the means for generating comprises means for generating at least one aggregated channel information feedback report for at least two of the plurality of DL carriers corresponding to first and second sub-bands of the number of sub-bands selected based on the total DL bandwidth, wherein the at least two of the plurality of DL carriers comprise a bandwidth less than a carrier system bandwidth and are at least one of adjacent carriers or carriers configured with the same DL transmission mode and/or channel quality indicator (CQI) reporting mode.

23. The apparatus of claim 22 , wherein the means for generating at least one aggregated channel information feedback report may be enabled on a per UE basis.

24. The apparatus of claim 17 , wherein a plurality of M carriers are divided into sets of one or more carriers and the determining comprises determining one or more channel information feedback reporting parameters for each set.

25. A non-transitory computer readable medium having instructions stored thereon, the instructions being executable by one or more processors and the instructions comprising:

instructions for receiving higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

instructions for receiving one or more channel information feedback reporting parameters, the one or more channel information feedback reporting parameters determined based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

instructions for selecting, by a user equipment (UE), a number of sub-bands based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges;

instructions for determining a quality value for each of the selected sub-bands and a quality indicator value that is a function of the determined quality values;

instructions for generating one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration, wherein at least one of the one or more channel information feedback reports includes the quality indicator value, and

wherein each channel information feedback report is generated in accordance with the one or more channel information feedback reporting parameters; and

instructions for transmitting, on the physical uplink channel, the one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration to an evolved Node B (eNodeB).

26. A method for reporting channel quality in a multiple carrier system, comprising:

transmitting higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

determining one or more channel information feedback reporting parameters based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

transmitting the one or more channel information feedback reporting parameters to a user equipment (UE) on the plurality of DL carriers of the carrier aggregation configuration;

receiving, on the physical uplink channel, one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration, wherein at least one of the one or more channel information feedback reports includes a quality indicator value that is a function of quality values determined for a number of UE-selected sub-bands selected based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges, and wherein each channel information feedback report is generated by the UE in accordance with the one or more channel information feedback reporting parameters; and

using the one or more channel information feedback reports for downlink transmission to the UE.

27. The method of claim 26 , wherein the one or more channel information feedback reporting parameters comprise at least one of a sub-band size, a bandwidth part, or a preferred number of sub-bands on which to report.

28. The method of claim 26 , wherein the one or more channel information feedback reports comprise a User Equipment selected sub-band channel quality indicator (CQI) report.

29. The method of claim 26 , wherein the physical uplink channel comprises a Physical Uplink Shared Channel or a Physical Uplink Control Channel.

30. The method of claim 26 , wherein the receiving comprises receiving an index of the selected sub-bands.

31. An apparatus for reporting channel quality in a multiple carrier system, comprising:

one or more processors configured for:

transmitting higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

determining one or more channel information feedback reporting parameters based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

transmitting the one or more channel information feedback reporting parameters to a user equipment (UE) on the plurality of DL carriers of the carrier aggregation configuration;

receiving, on the physical uplink channel, one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration, wherein at least one of the one or more channel information feedback reports includes a quality indicator value that is a function of quality values determined for a number of UE-selected sub-bands selected based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges, and wherein each channel information feedback report is generated by the UE in accordance with the one or more channel information feedback reporting parameters; and

using the one or more channel information feedback reports for downlink transmission to the UE; and

memory coupled to the one or more processors.

32. The apparatus of claim 31 , wherein the one or more channel information feedback reporting parameters comprise at least one of a sub-band size, a bandwidth part, or a preferred number of sub-bands on which to report.

33. The apparatus of claim 31 , wherein the one or more channel information feedback reports comprise a User Equipment selected sub-band channel quality indicator (CQI) report.

34. The apparatus of claim 31 , wherein the physical uplink channel comprises a Physical Uplink Shared Channel or a Physical Uplink Control Channel.

35. The apparatus of claim 31 , wherein the receiving comprises receiving an index of the selected sub-bands.

36. An apparatus for reporting channel quality in a multiple carrier system, comprising:

means for transmitting higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

means for determining one or more channel information feedback reporting parameters based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

means for transmitting the one or more channel information feedback reporting parameters to a user equipment (UE) on the plurality of DL carriers of the carrier aggregation configuration;

means for receiving, on the physical uplink channel, one or more channel information feedback reports for the plurality of DL carriers of the carrier aggregation configuration, wherein at least one of the one or more channel information feedback reports includes a quality indicator value that is a function of quality values determined for a number of UE-selected sub-bands selected based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges, and wherein each channel information feedback report is generated by the UE in accordance with the one or more channel information feedback reporting parameters; and

means for using the one or more channel information feedback reports for downlink transmission to the UE.

37. The apparatus of claim 36 , wherein the one or more channel information feedback reporting parameters comprise at least one of a sub-band size, a bandwidth part, or a preferred number of sub-bands on which to report.

38. The apparatus of claim 36 , wherein the one or more channel information feedback reports comprise a User Equipment selected sub-band channel quality indicator (CQI) report.

39. The apparatus of claim 36 , wherein the physical uplink channel comprises a Physical Uplink Shared Channel or a Physical Uplink Control Channel.

40. The apparatus of claim 36 , further comprising means for receiving an index of the selected sub-bands.

41. A computer-program product for reporting channel quality in a multiple carrier system, comprising a non-transitory computer readable medium having instructions stored thereon, the instructions being executable by one or more processors and the instructions comprising:

instructions for transmitting higher-layer signaling that enables a carrier aggregation configuration that includes a plurality of downlink (DL) carriers configured in an asymmetric configuration with an uplink (UL) carrier, wherein the UL carrier is configured with a physical uplink channel to carry channel information feedback reports for the plurality of DL carriers;

instructions for determining one or more channel information feedback reporting parameters based on a total DL bandwidth of the plurality of DL carriers of the carrier aggregation configuration being within a DL bandwidth range of a plurality of DL bandwidth ranges;

instructions for transmitting the one or more channel information feedback reporting parameters to a user equipment (UE) on the plurality of DL carriers of the carrier aggregation configuration;

instructions for receiving, on the physical uplink channel, one or more channel information feedback reports for the plurality of DL carriers, wherein at least one of the one or more channel information feedback reports includes a quality indicator value that is a function of quality values determined for a number of UE-selected sub-bands selected based on the total DL bandwidth being within the DL bandwidth range of the plurality of DL bandwidth ranges, and wherein each channel information feedback report is generated by the UE in accordance with the one or more channel information feedback reporting parameters; and

instructions for using the one or more channel information feedback reports for downlink transmission to the UE.