Collision handling for semi-persistent scheduling signals

A method of wireless communication performed by a base station, comprising:

• identifying a collision between a first resource for a downlink semi-persistently scheduled (SPS) communication and a second resource for another downlink signal;
• and
• performing an action to mitigate the collision based at least in part on identifying the collision,
• wherein performing the action comprises at least one of:
• moving a demodulation reference signal of the downlink SPS communication to a third resource that is a next sequential resource after the second resource and that does not overlap the second resource, or
• canceling a transmission of the downlink SPS communication based at least in part on a threshold associated with a ratio of overlapping resources, an effective rate of the downlink SPS communication, or a limited resource availability for the demodulation reference signal of the downlink SPS communication.

A user equipment (UE) for wireless communication, comprising:

• a memory;
• and
• one or more processors coupled to the memory, the memory and the one or more processors configured to:
• identify a collision between a first resource for a downlink semi-persistently scheduled (SPS) communication and a second resource for another downlink signal;
• determine an action, to be performed by a base station, to mitigate the collision based at least in part on identifying the collision,
• wherein the action comprises at least one of:
• moving a demodulation reference signal of the downlink SPS communication to a third resource that is a next sequential resource after the second resource and that does not overlap the second resource, or
• canceling a transmission of the downlink SPS communication based at least in part on a threshold associated with a ratio of overlapping resources, an effective rate of the downlink SPS communication, or a limited resource availability for the demodulation reference signal of the downlink SPS communication;
• and
• selectively receive the downlink SPS communication or the other downlink signal based at least in part on the determination.

A base station for wireless communication, comprising:

• a memory;
• and
• one or more processors coupled to the memory, the memory and the one or more processors configured to:
• identify a collision between a first resource for a downlink semi-persistent scheduled (SPS) communication and a second resource for another downlink signal;
• and
• perform an action to mitigate the collision based at least in part on identifying the collision,
• wherein the action comprises at least one of:
• moving a demodulation reference signal of the downlink SPS communication to a third resource that is a next sequential resource after the second resource and that does not overlap the second resource, or
• canceling a transmission of the downlink SPS communication based at least in part on a threshold associated with a ratio of overlapping resources, an effective rate of the downlink SPS communication, or a limited resource availability for the demodulation reference signal of the downlink SPS communication.