Technologies for periodic resource reservation in preemption

A method comprising:

• detecting a pre-empted resource that is one of a plurality of resources reserved for a first UE on a wireless link between the first UE and a second UE;
• determining a new resource for the pre-empted resource;
• and
• determining a periodic resource for the plurality of reserved resources.

A method to select a set of resources on a wireless link between a first user equipment and one or more second user equipment, the method comprising:

• determining a plurality of resources for the wireless link;
• ranking the plurality of resources based on at least a priority associated with each of the plurality of resources;
• and
• selecting a subset of the plurality of resources.

A method to configure a downlink control information format on a wireless link between a first user equipment and a base station, the method comprising:

• receiving a resource pool configuration that is used to configure one or more resources for sidelink transmission;
• if the resource pool configuration has physical sidelink feedback channel resources, setting a physical uplink control channel field to nonzero bits;
• and
• if the resource pool configuration does not have physical sidelink feedback channel resources, setting a physical uplink control channel field to zero bits.