Granted Patent B2

US 9,660,786 · App. 14/791,705 · Granted May 23, 2017

Abstract

Claims (46)

1. A method, at a wireless device, comprising:

receiving, at the wireless device, a higher layer signaling message including, for each of a plurality of transmit power control (TPC) command for physical uplink control channel (PUCCH) values, a mapping of the TPC for PUCCH value to an orthogonal resource index for a first antenna and an orthogonal resource index for a second antenna;

receiving, at the wireless device, a downlink control channel, wherein said downlink control channel includes information in a TPC command for a PUCCH field;

determining, at the wireless device a first orthogonal resource based on the received information and the received mapping;

determining, at the wireless device, a second orthogonal resource based on the received information and the received mapping;

spreading, at the wireless device, an uplink message using said first orthogonal resource to form a first spread signal;

spreading, at the wireless device, the uplink message using said second orthogonal resource to form a second spread signal;

transmitting said first spread signal using a first antenna of the wireless device; and

transmitting said second spread signal using a second antenna of the wireless device.

2. The method of claim 1 , wherein the first orthogonal resource is a two dimensional resource, a first dimension of the two dimension resource corresponding to a Zadoff-Chu sequence, a second dimension of the two-dimensional resource corresponding to an orthogonal cover sequence.

3. The method of claim 1 , wherein the orthogonal resource index for the first antenna and the orthogonal resource index for the second antenna are different.

4. The method of claim 1 , wherein first orthogonal resource and second orthogonal resource are PUCCH resources.

5. The method of claim 1 further comprising performing a random access procedure using single antenna transmission.

6. A wireless device comprising:

a processor; and

a communications subsystem,

wherein the wireless device is configured to:

receive a higher layer signaling message including, for each transmit power control (TPC) command of a plurality of TPC commands for physical uplink control channel (PUCCH) values, a mapping of the TPC for PUCCH value to an orthogonal resource index for a first antenna and an orthogonal resource index for a second antenna;

receive a downlink control channel, wherein said downlink control channel includes information in a TPC command for a PUCCH field;

determine a first orthogonal resource based on the received information and the received mapping;

determine a second orthogonal resource based on the received information and the received mapping;

spread an uplink message using said first orthogonal resource to form a first spread signal;

spread the uplink message using said second orthogonal resource to form a second spread signal;

transmit said first spread signal using a first antenna of the wireless device; and

transmit said second spread signal using a second antenna of the wireless device.

7. The wireless device of claim 6 , wherein the first orthogonal resource is a two dimensional resource, a first dimension of the two dimension resource corresponding to a Zadoff-Chu sequence, a second dimension of the two-dimensional resource corresponding to an orthogonal cover sequence.

8. The wireless device of claim 6 , wherein the orthogonal resource index for the first antenna and the orthogonal resource index for the second antenna are different.

9. The wireless device of claim 6 , wherein first orthogonal resource and second orthogonal resource are PUCCH resources.

10. The wireless device of claim 6 further configured to perform a random access procedure using single antenna transmission.

11. A method, at a wireless device, comprising:

receiving at the wireless device a higher layer signaling message configuring a transmit diversity mode of operation for a physical uplink control channel (PUCCH), the configuration applying to at least one of a plurality of PUCCH formats;

transmitting from the wireless device information via the PUCCH using one of the at least one PUCCH formats using a first transmit diversity mode; and

transmitting from the wireless device information via the PUCCH using a format not included in the plurality of PUCCH formats using a second transmit diversity mode.

12. The method of claim 11 , wherein at least one of the first transmit diversity mode and the second transmit diversity mode is a single antenna transmission mode.

13. The method of claim 11 , further comprising transmitting an acknowledgement message corresponding to the higher layer signaling message.

14. The method of claim 11 , further comprising performing a random access procedure using single antenna transmission.

15. A wireless device comprising:

a processor; and

a communications subsystem,

wherein the wireless device is configured to:

receive a higher layer signaling message configuring a transmit diversity mode of operation for a physical uplink control channel (PUCCH), the configuration applying to at least one of a plurality of PUCCH formats;

transmit information via the PUCCH using one of the at least one PUCCH formats using a first transmit diversity mode; and

transmit information via the PUCCH using a format not included in the plurality of PUCCH formats using a second transmit diversity mode.

16. The wireless device of claim 15 , wherein at least one of the first transmit diversity mode and the second transmit diversity mode is a single antenna transmission mode.

17. The wireless device of claim 15 , wherein the wireless device is further configured to transmit an acknowledgement message corresponding to the higher layer signaling message.

18. The wireless device of claim 15 , wherein the wireless device is further configured to perform a random access procedure using single antenna transmission.

Assignments (10)