Techniques for managing a transmission configuration indicator state

A method for wireless communications at user equipment (UE), comprising:

• receiving, in a downlink control information message, an indication to update a transmission configuration indicator state associated with a communications channel between the UE and a base station;
• determining, based at least in part on receiving the indication to update the transmission configuration indicator state, that the UE is to participate in a beam management procedure involving one or more beams associated with the transmission configuration indicator state;
• and
• participating in the beam management procedure through communication, with the base station, of one or more reference signals on the one or more beams associated with the transmission configuration indicator state;
• wherein participating in the beam management procedure further comprises:
• transmitting the one or more reference signals associated with the transmission configuration indicator state, the one or more reference signals being sounding reference signals;
• wherein transmitting the one or more reference signals further comprises:
• transmitting the one or more reference signals via a resource associated with a beam of the one or more beams associated with the transmission configuration indicator state;
• and
• determining the resource based at least in part on a predefined rule associated with the transmission configuration indicator state or based on a message received by the UE, the message comprising a sounding reference signal resource indicator associated with the transmission configuration indicator state.

A method for wireless communications at user equipment (UE), comprising:

• receiving, in a downlink control information message, an indication to update a transmission configuration indicator state associated with a communications channel between the UE and a base station;
• determining, based at least in part on receiving the indication to update the transmission configuration indicator state, that the UE is to participate in a beam management procedure involving one or more beams associated with the transmission configuration indicator state;
• participating in the beam management procedure through communication, with the base station, of the one or more reference signals on the one or more beams associated with the transmission configuration indicator state;
• and
• receiving a message indicating that a beam management mode is tuned on, wherein determining that the UE is to participate in the beam management procedure is based at least in part on the beam management mode being on, wherein the message is received via radio resource control signaling, downlink control information signaling, or medium access control element signaling.

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

• transmitting, to a user equipment (UE), in a downlink control information message, an indication to update a transmission configuration indicator state associated with a communications channel between the UE and the base station;
• determining to participate in a beam management procedure involving one or more beams associated with the transmission configuration indicator state, the beam management procedure associated with a beam configuration that indicates a mapping of the transmission configuration indicator state to one of a channel state information report configuration or a channel state information trigger state;
• determining a set of resources for transmitting one or more reference signals based at least in part on the mapping;
• transmitting a message indicating the beam configuration for receiving the one or more reference signals;
• and
• participating in the beam management procedure through communication, with the UE, of the one or more reference signals on the one or more beams associated with the transmission configuration indicator state;
• wherein participating in the beam management procedure further comprises:
• transmitting the one or more reference signals associated with the transmission configuration indicator state, the one or more reference signals being channel state information reference signals.

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

• transmitting, to a user equipment (UE), in a downlink control information message, an indication to update a transmission configuration indicator state associated with a communications channel between the UE and the base station;
• determining to participate in a beam management procedure involving one or more beams associated with the transmission configuration indicator state;
• and
• participating in the beam management procedure through communication, with the UE, of one or more reference signals on the one or more beams associated with the transmission configuration indicator state;
• wherein participating in the beam management procedure further comprises:
• receiving the one or more reference signals associated with the transmission configuration indicator state, the one or more reference signals being sounding reference signals;
• wherein receiving the one or more reference signals further comprises:
• receiving the one or more reference signals via a resource associated with a beam of the one or more beams associated with the transmission configuration indicator state;
• wherein the resource is based at least in part on a predefined rule associated with the transmission configuration indicator state or based on a message transmitted to the UE, the message comprising a sounding reference signal resource indicator associated with the transmission configuration indicator state.

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

• transmitting, to a user equipment (UE), in a downlink control information message, an indication to update a transmission configuration indicator state associated with a communications channel between the UE and the base station;
• determining to participate in a beam management procedure involving one or more beams associated with the transmission configuration indicator state;
• participating in the beam management procedure through communication, with the UE, of one or more reference signals on the one or more beams associated with the transmission configuration indicator state;
• determining to turn on a beam management mode, wherein determining that the base station is to participate in the beam management procedure is based at least in part on the beam management mode being on;
• and
• transmitting a message indicating that the beam management mode is tuned on, wherein the message is transmitted via radio resource control signaling, downlink control information signaling, or medium access control element signaling.

An apparatus for wireless communications at 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, in a downlink control information message, an indication to update a transmission configuration indicator state associated with a communications channel between the UE and a base station;
• determine, based at least in part on receiving the indication to update the transmission configuration indicator state, that the UE is to participate in a beam management procedure involving one or more beams associated with the transmission configuration indicator state, the beam management procedure associated with a beam configuration that indicates a mapping of the transmission configuration indicator state to one of a channel state information report configuration or a channel state information trigger state;
• determine a set of resources for receiving one or more reference signals based at least in part on the mapping;
• receive a message indicating the beam configuration for receiving the one or more reference signals;
• and
• participate in the beam management procedure through communication, with the base station, of one or more reference signals on the one or more beams associated with the transmission configuration indicator state;
• wherein participating in the beam management procedure further comprises:
• receiving the one or more reference signals associated with the transmission configuration indicator state, the one or more reference signals being channel state information reference signals.

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), in a downlink control information message, an indication to update a transmission configuration indicator state associated with a communications channel between the UE and the base station;
• determine to participate in a beam management procedure involving one or more beams associated with the transmission configuration indicator state, the beam management procedure associated with a beam configuration that indicates a mapping of the transmission configuration indicator state to one of a channel state information report configuration or a channel state information trigger state;
• determine a set of resources for transmitting one or more reference signals based at least in part on the mapping;
• transmit a message indicating the beam configuration for receiving the one or more reference signals;
• and
• participate in the beam management procedure through communication, with the UE, of the one or more reference signals on the one or more beams associated with the transmission configuration indicator state;
• wherein participating in the beam management procedure further comprises:
• transmitting the one or more reference signals associated with the transmission configuration indicator state, the one or more reference signals being channel state information reference signals.