Channel selection and channel-state information collision handling

1. A method in a mobile terminal for simultaneous reporting of channel-state information and hybrid-ARQ ACK/NACK information in a Long-Term Evolution (LTE) wireless network, the method comprising:

determining that a periodic channel-state information report and more than two ACK/NACK bits are scheduled for a first uplink subframe, while the mobile terminal is configured to report hybrid-ARQ ACK/NACK information using Physical Uplink Control Channel (PUCCH) Format 1b resources;

selecting a first uplink control channel resource from a set of two or more pre-configured uplink control channel resources, based on an information field in a first downlink control message received by the mobile terminal and corresponding to the first uplink subframe;

encoding the periodic channel-state information report and the multiple ACK/NACK bits according to a format compatible with all of the uplink control channel resources in the set of pre-configured uplink control channel resources; and

transmitting the encoded periodic channel-state information report and multiple ACK/NACK bits in the first uplink control channel resource of the first uplink subframe.

2. The method of claim 1 , wherein the information field in the downlink control message is a Transmit Power Command bit field.

3. The method of claim 1 , further comprising determining the set of pre-configured uplink control channel resources from Radio Resource Control (RRC) signaling.

4. The method of claim 1 , wherein each of the set of pre-configured uplink control channel resources are PUCCH Format 3 resources.

5. The method of claim 1 , wherein said downlink control message is received on a downlink primary cell and includes a Downlink Assignment Index greater than 1.

6. The method of claim 1 , wherein said downlink control message is received on a downlink secondary cell.

7. The method of claim 1 , further comprising:

receiving a second downlink control message on the primary cell only, the second downlink control message corresponding to an assignment of a single downlink transmission on the primary cell or corresponding to a semi-persistent scheduling release message; and

transmitting both channel-state information and hybrid-ARQ ACK/NACK information for the single downlink transmission, using a pre-determined uplink control channel resource in a second subframe.

8. The method of claim 7 , wherein the pre-determined uplink control channel resource is distinct from the set of pre-configured uplink control channel resources in that the pre-determined uplink control channel resource is not addressable by the information field.

9. The method of claim 1 , further comprising:

receiving a second downlink control message, the second downlink control message corresponding to a single downlink transmission on the primary cell; and

transmitting both channel-state information and hybrid-ARQ ACK/NACK information for the single downlink transmission, using PUCCH Format 2/2a/2b in a pre-configured uplink control channel resource in a second subframe.

10. The method of claim 1 , further comprising:

receiving a second downlink control message, the second downlink control message corresponding to a single downlink transmission on the primary cell;

determining that a second periodic channel-state information report and ACK/NACK bits for the single downlink transmission are scheduled for a second uplink subframe; and

transmitting only the ACK/NACK bits for the single downlink transmission, using a pre-configured physical control channel resource in the second subframe.

11. A method in a base station for processing received reports of channel-state information and hybrid-ARQ ACK/NACK information in a Long-Term Evolution (LTE) wireless system, the method comprising:

transmitting configuration data to a mobile terminal, the configuration data identifying a set of set of two or more uplink control channel resources for carrying simultaneous reports of channel-state information and more than two ACK/NACK bits;

receiving a transmission from the mobile terminal in a first uplink subframe, while the mobile terminal is configured to report hybrid-ARQ ACK/NACK information using Physical Uplink Control Channel (PUCCH) Format 1b resources;

associating the mobile terminal to a first uplink control channel resource from the set of uplink control channel resources, based on an information field in a first downlink control message previously transmitted to the mobile terminal; and

decoding channel-state information and hybrid-ARQ ACK/NACK information for the mobile terminal, from the first uplink control channel resource, according to a format compatible with all of the uplink control channel resources in the set of uplink control channel resources.

12. The method of claim 11 , wherein the information field in the downlink control message is a Transmit Power Command bit field.

13. The method of claim 11 , wherein each of the set of uplink control channel resources are PUCCH Format 3 resources.

14. The method of claim 13 , further comprising first transmitting said downlink control message on a downlink primary cell, said downlink control message including a Downlink Assignment Index greater than 1.

15. The method of claim 11 , further comprising first transmitting said downlink control message on a downlink secondary cell.

16. The method of claim 11 , further comprising:

transmitting a second downlink control message, the second downlink control message corresponding to an assignment of a single downlink transmission on the primary cell or corresponding to a semi-persistent scheduling release message; and

receiving a transmission from the mobile terminal in a second uplink subframe, in response to the single downlink control message; and

decoding both channel-state information and hybrid-ARQ ACK/NACK information for the mobile terminal, from a pre-determined uplink control channel resource in the second uplink subframe.

17. The method of claim 13 , further comprising:

transmitting a second downlink control message, the second downlink control message corresponding to a single downlink transmission on the primary cell; and

receiving a transmission from the mobile terminal in a second uplink subframe, in response to the single downlink transmission; and

decoding channel-state information and hybrid-ARQ ACK/NACK information for the single downlink transmission, using PUCCH Format 2/2a/2b in a pre-configured uplink control channel resource in the second subframe.

18. The method of claim 11 , further comprising:

transmitting a second downlink control message, the second downlink control message corresponding to a single downlink transmission on the primary cell; and

receiving a transmission from the mobile terminal in a second uplink subframe, in response to the single downlink transmission; and

decoding only hybrid-ARQ ACK/NACK information for the single downlink transmission, using a pre-configured physical control channel resource in the second subframe.

19. A mobile terminal configured for simultaneous reporting of channel-state information and hybrid-ARQ ACK/NACK information in a Long-Term Evolution (LTE) wireless network, the mobile terminal comprising a receiver circuit, a transmitter circuit, and a processing circuit, wherein the processing circuit is adapted to:

determine that a periodic channel-state information report and more than two ACK/NACK bits are scheduled for a first uplink subframe, while the mobile terminal is configured to report hybrid-ARQ ACK/NACK information using Physical Uplink Control Channel (PUCCH) Format 1b resources;

select a first uplink control channel resource from a set of two or more pre-configured uplink control channel resources, based on an information field in a first downlink control message received by the mobile terminal and corresponding to the first uplink subframe;

encode the periodic channel-state information report and the multiple ACK/NACK bits according to a format compatible with all of the uplink control channel resources in the set of pre-configured uplink control channel resources; and

transmit the encoded periodic channel-state information report and multiple ACK/NACK bits in the first uplink control channel resource of the first uplink subframe.

20. The mobile terminal of claim 19 , wherein the information field in the downlink control message is a Transmit Power Command bit field.

21. The mobile terminal of claim 19 , wherein each of the set of pre-configured uplink control channel resources are PUCCH Format 3 resources.

22. The mobile terminal of claim 19 , wherein the processing circuit is further adapted to:

receive a second downlink control message via the receiver circuit, the second downlink control message corresponding to an assignment of a single downlink transmission on the primary cell or corresponding to a semi-persistent scheduling release message; and

send both channel-state information and hybrid-ARQ ACK/NACK information for the single downlink transmission to the base station, via the transmitter circuit, using a pre-determined uplink control channel resource in a second subframe.

23. The mobile terminal of claim 22 , wherein the pre-determined uplink control channel resource is distinct from the set of pre-configured uplink control channel resources in that the pre-determined uplink control channel resource is not addressable by the information field.

24. The mobile terminal of claim 19 , wherein the processing circuit is further adapted to:

receive a second downlink control message via the receiver circuit, the second downlink control message corresponding to a single downlink transmission on the primary cell; and

send both channel-state information and hybrid-ARQ ACK/NACK information for the single downlink transmission to the base station, via the transmitter circuit, using PUCCH Format 2 in a pre-configured uplink control channel resource in a second subframe.

25. The mobile terminal of claim 19 , wherein the processing circuit is further adapted to:

receive a second downlink control message via the receiver circuit, the second downlink control message corresponding to a single downlink transmission on the primary cell;

determine that a second periodic channel-state information report and ACK/NACK bits for the single downlink transmission are scheduled for a second uplink subframe and

send only the ACK/NACK bits for the single downlink transmission to the base station, via the transmitter circuit, using a pre-configured physical control channel resource in a second subframe.

26. A base station configured to process received reports of channel-state information and hybrid-ARQ ACK/NACK information in a Long-Term Evolution (LTE) wireless system, the base station comprising a transmitter circuit, a receiver circuit, and a processing circuit, wherein the processing circuit is configured to:

send configuration data to a mobile terminal, via the transmitter circuit, the configuration data identifying a set of two or more uplink control channel resources for carrying simultaneous reports of channel-state information and hybrid-ARQ ACK/NACK information;

receive a transmission from the mobile terminal, via the receiver circuit, in a first uplink subframe, while the mobile terminal is configured to report hybrid-ARQ ACK/NACK information using Physical Uplink Control Channel (PUCCH) Format 1b resources;

associate the mobile terminal to a first uplink control channel resource from the set of uplink control channel resources, based on an information field in a first downlink control message previously transmitted to the mobile terminal; and

decode channel-state information and hybrid-ARQ ACK/NACK information transmitted by the mobile terminal, from the first uplink control channel resource, according to a format compatible with all of the uplink control channel resources in the set of uplink control channel resources.

27. The base station of claim 26 , wherein the information field in the downlink control message is a Transmit Power Command bit field.

28. The base station of claim 26 , wherein each of the set of uplink control channel resources are Physical Uplink Control Channel (PUCCH) Format 3 resources in a Long-Term Evolution (LTE, wireless system.

29. The base station of claim 26 , wherein the processing circuit is further adapted to:

send a second downlink control message to the mobile terminal, via the transmitter circuit, the second downlink control message corresponding to an assignment of a single downlink transmission on the primary cell or corresponding to a semi-persistent scheduling release message; and

receive a transmission from the mobile terminal in a second uplink subframe, via the receiver circuit, in response to the second downlink control message; and

decode both channel-state information and hybrid-ARQ ACK/NACK information for the mobile terminal, from a pre-determined uplink control channel resource in the second uplink subframe.

30. A mobile terminal configured for simultaneous reporting of channel-state information and hybrid-ARQ ACK/NACK information in a Long-Term Evolution (LTE, wireless network, the mobile terminal comprising a receiver circuit, a transmitter circuit, and a processing circuit, the processing circuit comprising:

a resource selection unit adapted to determine that a periodic channel-state information report and more than two ACK/NACK bits are scheduled for a first uplink subframe, while the mobile terminal is configured to report hybrid-ARQ ACK/NACK information using Physical Uplink Control Channel (PUCCH, Format 1b resources, and to select a first uplink control channel resource from a set of two or more pre-configured uplink control channel resources, based on an information field in a first downlink control message received by the mobile terminal and corresponding to the first uplink subframe; and

a control channel encoder unit adapted to encode the periodic channel-state information report and the multiple ACK/NACK bits according to a format compatible with all of the uplink control channel resources in the set of pre-configured uplink control channel resources and to send to a base station, via the transmitter circuit, the encoded periodic channel-state information report and multiple ACK/NACK bits in the first uplink control channel resource of the first uplink subframe.