Techniques for individual beam failure detection

A method for wireless communications at a base station, comprising:

• transmitting, to a user equipment (UE), control signaling indicating an activation of a beam failure detection procedure for detecting beam failure on a per-beam basis for a set of beams;
• transmitting a set of reference signals via the set of beams;
• and
• receiving signaling indicating a beam failure recovery procedure at the UE for a first beam of the set of beams based at least in part on indicating the activation of the beam failure detection procedure.

An apparatus for wireless communications at a user equipment (UE), comprising:

• a processor;
• memory coupled with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• receive, from a base station, control signaling indicating an activation of a beam failure detection procedure for detecting beam failure on a per-beam basis for a set of beams;
• monitor for a set of reference signals via the set of beams;
• maintain, at a first protocol layer of the UE, a separate beam failure indication counter for each beam of the set of beams base at least in part on beam failure indications obtained from a second protocol layer of the UE on a per-beam basis in accordance with the beam failure detection procedure;
• and
• perform a beam failure recovery procedure for a first beam of the set of beams based at least in part on a first beam failure indication counter for the first beam.

An apparatus for wireless communications at a base station, comprising:

• a processor;
• memory coupled with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• transmit, to a user equipment (UE), control signaling indicating an activation of a beam failure detection procedure for detecting beam failure on a per-beam basis for a set of beams;
• transmit a set of reference signals via the set of beams;
• and
• receive signaling indicating a beam failure recovery procedure at the UE for a first beam of the set of beams based at least in part on indicating the activation of the beam failure detection procedure.