Concurrent transmission of acknowledgment and scheduling request information on a control channel

1. An apparatus contained within a user equipment (UE), that is operable for transmission of control information on a shortened physical uplink control channel (sPUCCH), the apparatus comprising:

one or more baseband processors configured to:

map symbols to physical resource block (PRB) indices for a first subslot and a last subslot of a subframe for the sPUCCH, comprising:

select an

⌊

m

2

⌋

PRB index for a first symbol of the first subslot and the last subslot of the subframe to be used for transmission of the control information on the sPUCCH, wherein m is

n

PUCCH

(

x

)

N

SC

RB

,

n PUCCH (x) is a resource index for PUCCH formats 1, 1 a , and 1 b , and N SC RB is a resource block (RB) size in a frequency domain, expressed as a number of subcarriers (SC); and

select a

N

RB

UL

-

1

-

⌊

m

2

⌋

PRB index for a second symbol and a third symbol of the first subslot and the last subslot of the subframe to be used for transmission of the control information on the sPUCCH, wherein N RB UL is uplink bandwidth configuration, expressed in multiples of N SC RB ; and

encode the control information for transmission to a base station on the sPUCCH in the selected PRB indices; and

a memory interface configured to retrieve the control information from a memory.

2. The apparatus of claim 1 , wherein the one or more baseband processors are further configured to:

map symbols to a physical resource block (PRB) index for subslots not including the first subslot and the last subslot of the subframe for the sPUCCH, comprising:

select an

⌊

m

2

⌋

PRB index in a first symbol of a second subslot, a third subslot, a fourth subslot, and a fifth subslot of the subframe to be used for transmission of the control information on the sPUCCH; and

select a

N

RB

UL

-

1

-

⌊

m

2

⌋

PRB index in a second symbol of the second subslot, the third subslot, the fourth subslot, and the fifth subslot of the subframe to be used for transmission of the control information on the sPUCCH; and

encode the control information for transmission to the base station on the sPUCCH in the selected PRB indices.

3. The apparatus of claim 1 , wherein the first subslot and the last subslot each comprise 3 symbols in the subframe.

4. The apparatus of claim 1 , wherein the second subslot, the third subslot, the fourth subslot, and the fifth subslot each comprise 2 symbols in the subframe.

5. The apparatus of claim 1 , wherein the one or more baseband processors are further configured to:

encode a set of sPUCCH resources for transmission via radio resource control (RRC) signaling.

6. The apparatus of claim 1 , further comprising a transceiver configured to:

transmit the control information in the selected PRB indices.

7. The apparatus of claim 1 , wherein the UE includes an antenna, a touch sensitive display screen, a speaker, a microphone, a graphics processor, an application processor, an internal memory, a non-volatile memory port, or combinations thereof.

8. An apparatus contained within a base station, that is operable to receive a shortened physical uplink control channel (sPUCCH), the apparatus comprising:

one or more baseband processors configured to:

identify an

⌊

m

2

⌋

physical resource block (PRB) index for a first symbol of a first subslot and a last subslot of a subframe to be used for reception of the control information on the sPUCCH, wherein m is

n

PUCCH

(

x

)

N

SC

RB

,

n PUCCH (x) is a resource index for PUCCH formats 1, 1 a , and 1 b , and N SC RB is a resource block (RB) size in a frequency domain, expressed as a number of subcarriers (SC); and

identify a

N

RB

UL

-

1

-

⌊

m

1

⌋

PRB index for a second symbol and a third symbol of the first subslot and the last subslot of the subframe to be used for reception of the control information on the sPUCCH, wherein N RB UL is uplink bandwidth configuration, expressed in multiples of N SC RB ; and

decode the control information received from a user equipment (UE) on the sPUCCH in the identified PRB indices; and

a memory interface configured to send the control information to a memory.

9. The apparatus of claim 8 , wherein the one or more baseband processors are further configured to:

identify an

m

2

PRB index in a first symbol of a second subslot, a third subslot, a fourth subslot, and a fifth subslot of the subframe to be used for reception of the control information on the sPUCCH; and

identify a

N

RB

UL

-

1

-

⌊

m

2

⌋

PRB index in a second symbol of the second subslot, the third subslot, the fourth subslot, and the fifth subslot of the subframe to be used for reception of the control information on the sPUCCH; and

decode the control information received from the UE on the sPUCCH in the identified PRB indices.

10. The apparatus of claim 8 , wherein the first subslot and the last subslot each comprise 3 symbols in the subframe.

11. The apparatus of claim 9 , wherein the second subslot, the third subslot, the fourth subslot, and the fifth subslot each comprise 2 symbols in the subframe.

12. The apparatus of claim 8 , wherein the one or more baseband processors are further configured to:

decode a set of sPUCCH resources for transmission via radio resource control (RRC) signaling.

13. The apparatus of any of claim 8 , further comprising a transceiver configured to:

receive the control information in the identified PRB indices.

14. At least one non-transitory machine readable storage medium having instructions embodied thereon for transmission of control information on a shortened physical uplink control channel (sPUCCH), the instructions when executed by one or more processors at a user equipment (UE) perform the following:

mapping symbols to physical resource blocks (PRB) indices for a first subslot and a last subslot of a subframe for the sPUCCH, comprising:

select an

⌊

m

2

⌋

PRB index in a first symbol of the first subslot and the last subslot of the subframe to be used for transmission of the control information on the sPUCCH, wherein m is

n

PUCCH

(

x

)

N

SC

RB

,

n PUCCH (x) is a resource index for PUCCH formats 1, 1 a , and 1 b , and N SC RB is a resource block (RB) size in a freauencv domain, expressed as a number of subcarriers (SC); and

select a

N

RB

UL

-

1

-

⌊

m

2

⌋

PRB index for a second symbol and a third symbol of the first subslot and the last subslot of the subframe to be used for transmission of the control information on the sPUCCH, wherein N RB UL is uplink bandwidth configuration, expressed in multiples of N SC RB ; and

encoding the control information for transmission to a base station on the sPUCCH in the selected PRB indices.

15. The at least one non-transitory machine readable storage medium of claim 14 , further comprising instructions that when executed perform:

mapping symbols to physical resource blocks (PRBs) for subslots not including the first sub slot and the last subslot of the subframe for the sPUCCH, comprising:

select an

⌊

m

2

⌋

PRB index in a first symbol of a second subslot, a third subslot, a fourth subslot, and a fifth subslot of the subframe to be used for transmission of the control information on the sPUCCH; and

select a

N

RB

UL

-

1

-

⌊

m

2

⌋

PRB index in a second symbol of the second subslot, the third subslot, the fourth subslot, and the fifth subslot of the subframe to be used for transmission of the control information on the sPUCCH; and

encode the control information for transmission to the base station on the sPUCCH in the selected PRB indices.

16. The at least one non-transitory machine readable storage medium of claim 14 , wherein the first subslot and the last subslot each comprise 3 symbols in the subframe.

17. The at least one non-transitory machine readable storage medium of claim 15 , wherein the second subslot, the third subslot, the fourth subslot, and the fifth subslot each comprise 2 symbols in the subframe.

18. The at least one non-transitory machine readable storage medium of claim 14 , further comprising instructions that when executed perform:

encoding a resource set for transmission via radio resource control (RRC) signaling.