User equipment receiver spatial filter configuration during secondary cell beam failure recovery

A method, comprising:

• detecting, by a user equipment, secondary cell (SCell) beam failure at a medium access control layer;
• receiving candidate beam measurements from a physical layer for the failed SCell;
• determining a reported set of channel state information reference signals and/or synchronization signal block indexes in a SCell beam failure recovery medium access control control element according to a network configuration;
• and
• generating and transmitting the SCell beam failure recovery medium access control control element.

An apparatus, comprising:

• at least one processor;
• and
• at least one memory comprising computer program code,
• the at least one memory and computer program code configured, with the at least one processor, to cause the apparatus at least to
• detect secondary cell (SCell) beam failure at a medium access control layer;
• receive candidate beam measurements from a physical layer for the failed SCell;
• determine a reported set of channel state information reference signals and/or synchronization signal block indexes in a SCell beam failure recovery medium access control control element according to a network configuration;
• and
• generate and transmit the SCell beam failure recovery medium access control control element.

An apparatus, comprising:

• at least one processor;
• and
• at least one memory comprising computer program code,
• the at least one memory and computer program code configured, with the at least one processor, to cause the apparatus at least to
• receive, from a user equipment, an indication of a secondary cell (SCell) beam failure indication or a medium access control control element indicating new candidate resources of a failed SCell;
• and
• run a same selection logic as the user equipment for resource selection to determine a user equipment spatial receiver filter assumption for receiving a response for a beam failure recovery on the SCell including a transmission configuration indication state configuration.