NR V2X communications using sidelink bandwidth parts

1. An apparatus of a user equipment (UE), the apparatus comprising:

processing circuitry, wherein to configure the UE for New Radio (NR) sidelink communication, the processing circuitry is to:

decode radio resource control (RRC) signaling to determine first configuration information and second configuration information, the first configuration information identifying a sidelink bandwidth part (BWP) and corresponding BWP numerology, the second configuration information identifying a resource pool within the sidelink BWP;

select an available slot from the resource pool based on the BWP numerology;

encode a sidelink transmission to a second UE, the sidelink transmission within a resource block (RB) of the available slot; and

encode an uplink (UL) transmission to a base station, the UL transmission using the BWP numerology in an UL BWP; and

memory coupled to the processing circuitry and configured to store the RRC signaling.

2. The apparatus of claim 1 , wherein the BWP numerology comprises sub-carrier spacing (SCS) and cyclic prefix (CP) length used during the sidelink transmission.

3. The apparatus of claim 1 , wherein the sidelink BWP is a sidelink transmit (TX) BWP of a plurality of sidelink TX BWPs within a sidelink carrier.

4. The apparatus of claim 3 , wherein the processing circuitry is to:

partition physical resource block (PRB) resources of the sidelink carrier to obtain the plurality of sidelink TX BWPs.

5. The apparatus of claim 3 , wherein the processing circuitry is to:

switch between the plurality of sidelink TX BWPs based on a sensing and resource selection procedure associated with a wideband receive (RX) BWP covering multiple sidelink TX BWPs of the plurality of sidelink TX BWPs.

6. The apparatus of claim 3 , wherein the processing circuitry is to:

partition physical resource block (PRB) resources of the sidelink carrier to obtain a plurality of sidelink receive (RX) BWPs.

7. The apparatus of claim 6 , wherein the configuration information further activates a sidelink RX BWP of the plurality of sidelink RX BWPs within the sidelink carrier.

8. The apparatus of claim 7 , wherein the processing circuitry is to:

cause reception of a sidelink signal from the second UE using the activated sidelink RX BWP, wherein a bandwidth of the sidelink signal during the reception is within the activated sidelink RX BWP.

9. The apparatus of claim 1 , further comprising transceiver circuitry coupled to the processing circuitry; and, one or more antennas coupled to the transceiver circuitry.

10. A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors of a user equipment (UE), the instructions to configure the UE for New Radio (NR) sidelink communication, and to cause the UE to perform operations comprising:

decoding radio resource control (RRC) signaling to determine first configuration information and second configuration information, the first configuration information identifying a sidelink bandwidth part (BWP) and corresponding BWP numerology, the second configuration information identifying a resource pool within the sidelink BWP;

selecting an available slot from the resource pool based on the BWP numerology;

encoding a sidelink transmission to a second UE, the sidelink transmission within a resource block (RB) of the available slot; and

encoding an uplink (UL) transmission to a base station, the UL transmission using the BWP numerology in an UL BWP.

11. The non-transitory computer-readable storage medium of claim 10 , wherein the BWP numerology comprises sub-carrier spacing (SCS) and cyclic prefix (CP) length used during the sidelink transmission.

12. The non-transitory computer-readable storage medium of claim 10 , wherein the sidelink BWP is a sidelink transmit (TX) BWP of a plurality of sidelink TX BWPs within a sidelink carrier.

13. The non-transitory computer-readable storage medium of claim the operations further comprising:

partitioning physical resource block (PRB) resources of the sidelink carrier to obtain the plurality of sidelink TX BWPs.

14. The non-transitory computer-readable storage medium of claim 12 , the operations further comprising:

switching between the plurality of sidelink TX BWPs based on a sensing and resource selection procedure associated with a wideband receive (RX) BWP covering multiple sidelink TX BWPs of the plurality of sidelink TX BWPs.

15. The non-transitory computer-readable storage medium of claim 12 , the operations further comprising:

partitioning physical resource block (PRB) resources of the sidelink carrier to obtain a plurality of sidelink receive (RX) BWPs,

wherein the configuration information further activates a sidelink RX BWP of the plurality of sidelink RX BWPs within the sidelink carrier.

16. A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors of a base station, the instructions to enable sidelink configuration in a 5G-New Radio (NR) network, and to cause the base station to perform operations comprising:

encoding radio resource control (RRC) signaling for transmission to a first user equipment (UE), the RRC signaling including first configuration information and second configuration information, the first configuration information identifying a sidelink bandwidth part (BWP) and corresponding BWP numerology for a sidelink transmission by the first UE to a second UE,

the second configuration information identifying a resource pool within the sidelink BWP, and

the sidelink transmission configured based on the BWP numerology and within a resource block (RB) of an available slot from the resource pool; and

encoding an uplink (UL) transmission to a base station, the UL transmission using the BWP numerology in an UL BWP.

17. The non-transitory computer-readable storage medium of claim 16 , wherein the BWP numerology comprises sub-carrier spacing (SCS) and cyclic prefix (CP) length used during the sidelink transmission.