WE CLAIM:
1. At least one non-transitory computer-readable medium comprising
instructions stored thereon that, in response to execution of the instructions by one
or more processors cause a wireless communications device to:
select a subset of a predefined set of device-to-device (D2D) time resource pattern bitmaps, wherein individual D2D time resource pattern bitmaps are to indicate subframes of a communication frame that allow D2D communications;
generate a parameter having information corresponding to the selected I
subset of D2D time resource pattern bitmaps to be signaled using radio resource control (RRC); and
cause an RRC signal based at least in part on the parameter to be j
transmitted to a User Equipment (UE).
2. The at least one non-transitory computer-readable medium of claim 1,
wherein the RRC signal includes a parameter that represents a set of permissible
ones values, wherein each permissible ones value represents a number of ones that
may be present in a D2D time resource pattern bitmap selected from the |
predefined set of D2D time resource pattern bitmaps.
3. The at least one non-transitory computer-readable medium of any one
of claims 1-2, wherein the selected subset of D2D time resource pattern bitmaps is |
for mode-2 operation.
4. The at least one non-transitory computer-readable medium of any one of claims 1-2, wherein the predefined set of D2D time resource pattern bitmaps have a number of bits N, wherein N is an integer between 6 and 8, inclusive.
5. The at least one non-transitory computer-readable medium of any one of claims 1-2, wherein the predefined set of D2D time resource pattern bitmaps have a number of ones k, wherein k includes k values in a set {1, 2, 4}.

6. An evolved node B (eNB) comprising: j
processing circuitry to:
select a subset of a predefined set of device-to-device (D2D) time resource |
pattern bitmaps , wherein individual D2D time resource pattern bitmaps are to indicate subframes of a communication frame that allow D2D communications; and
generate a parameter having information corresponding to the selected
subset of D2D time resource pattern bitmaps to be signaled using radio resource j
control (RRC); and j
transceiver circuitry, coupled with the processing circuitry, to send an I
RRC signal based at least in part on the parameter to a User Equipment (UE). j
7. The eNB of claim 6, wherein the RRC signal includes a parameter that
represents a set of permissible ones values, wherein each permissible ones value
represents a number of ones that may be present in a D2D time resource bitmap
selected from the predefined set of D2D time resource pattern bitmaps.
8. The eNB of claim 6, wherein the selected subset of D2D time resource pattern bitmaps is for mode-2 operation.
9. The eNB of claim 6, wherein the predefined set of D2D time resource j pattern bitmaps have a number of bits N, wherein N is an integer between 6 and 8,
inclusive.
10. The eNB of claim 6, wherein the predefined set of D2D time resource
pattern bitmaps have a number of ones k, wherein k includes k values in a set {1,
2,4}. |

11. A User Equipment (UE) comprising:
transceiver circuitry to receive a radio resource control (RRC) signal having information corresponding to a selected subset of a predefined set of device-to-device (D2D) time resource pattern bitmaps, wherein individual D2D time resource pattern bitmaps are to indicate subframes of a communication frame that allow D2D communications; and
processing circuitry, coupled with the transceiver circuitry, to:
select a D2D time resource pattern bitmap from the selected subset based at least in part on the received RRC signal; and
direct the transceiver circuitry to communicate with another UE using the selected D2D time resource pattern bitmap.
12. The UE of claim 11, wherein the RRC signal includes a parameter that represents a set of permissible ones values, wherein each permissible ones value represents a number of ones that may be present in a D2D time resource bitmap selected from the predefined set of D2D time resource pattern bitmaps.
13. The UE of any one of claims 11-12, wherein the selected subset of D2D time resource pattern bitmaps is for mode-2 operation.
14. The UE of any one of claims 11-12, wherein the predefined set of D2D time resource pattern bitmaps have a number of bits N, wherein N is an integer between 6 and 8, inclusive.
15. The UE of any one of claims 11-12, wherein the predefined set of D2D time resource pattern bitmaps have a number of ones k, wherein k includes k values in a set {1, 2, 4}.
16. The UE of any one of claims 11-12, wherein the transceiver circuitry is to use unlicensed long term evolution (LTE) spectrum when engaging in D2D communication with the other UE.

17. The UE of any one of claims 11-12, wherein the transceiver circuitry is to use Bluetooth or Wi-Fi when engaging in D2D communication with the other UE.
18. The UE of any one of claims 11-12, wherein the transceiver circuitry is to receive the RRC signal from an evolved Node B (eNB).
I
19. The UE of any one of claims 11-12, wherein the processing circuitry
is to select the D2D time resource pattern bitmap from the selected subset using j
random or pseudo-random selection.
20. An apparatus comprising: !
means for selecting a subset of a predefined set of device-to-device (D2D)
time resource pattern bitmaps, wherein individual D2D time resource pattern bitmaps are to indicate subframes of a communication frame that allow D2D communications;
means for generating a radio resource control (RRC) message having information corresponding to the selected subset of D2D time resource pattern bitmaps; and
means for transmitting the RRC message to a user equipment (UE).
21. The apparatus of claim 20, wherein the RRC message includes a
parameter that represents a set of permissible ones values, wherein each !
permissible ones value represents a number of ones that may be present in a D2D time resource pattern bitmap selected from the predefined set of D2D time resource pattern bitmaps.
22. The apparatus of any one of claims 20-21, wherein the means for
selecting the subset of a predefined set of D2D time resource pattern bitmaps, the

means for generating the RRC message, and the means for transmitting the RRC message are included in an evolved node B (eNB) or a portion thereof.