Techniques for configuring transmission configuration states in wireless communications

An apparatus for wireless communication, comprising:

• a transceiver;
• a memory configured to store instructions;
• and
• one or more processors communicatively coupled with the transceiver and the memory, wherein the one or more processors are configured to:
• transmit a message comprising data corresponding to one or more active transmission configuration states supported by the apparatus for detecting downlink beamformed signals;
• receive, from at least an access point and based on the message, a response corresponding to one or more active transmission configuration states;
• determine the one or more active transmission configuration states based, at least in part, on the response, wherein an active transmission configuration state of the determined active transmission configuration states corresponds to, for a selected transmission configuration state, one of multiple possible triggers for a reference signal;
• and
• detect, based on at least one of the determined active transmission configuration states, one or more downlink beamformed signals transmitted by the access point.

An apparatus for wireless communication, comprising:

• means for transmitting a message comprising data corresponding to one or more active transmission configuration states supported by the apparatus for detecting downlink beamformed signals;
• means for receiving, from at least an access point and based on the message, a response corresponding to one or more active transmission configuration states;
• means for determining the one or more active transmission configuration states based, at least in part, on the response, wherein an active transmission configuration state of the determined active transmission configuration states corresponds to, for a selected transmission configuration state, one of multiple possible triggers for a reference signal;
• and
• means for detecting, based on at least one of the determined active transmission configuration states, one or more downlink beamformed signals transmitted by the access point.

A non-transitory computer-readable medium, comprising code executable by one or more processors for wireless communications by a user equipment (UE), the code comprising:

• code for transmitting a message comprising data corresponding to one or more active transmission configuration states supported by the UE for detecting downlink beamformed signals;
• code for receiving, from at least an access point and based on the message, a response corresponding to one or more active transmission configuration states;
• code for determining the one or more active transmission configuration states based, at least in part, on the response, wherein an active transmission configuration state of the determined active transmission configuration states corresponds to, for a selected transmission configuration state, one of multiple possible triggers for a reference signal;
• and
• code for detecting, based on at least one of the determined active transmission configuration states, one or more downlink beamformed signals transmitted by the access point.

A method of wireless communication, comprising, at an access point:

• receiving, from a user equipment (UE), a message comprising data corresponding to one or more transmission configuration states supported by the UE for detecting downlink beamformed signals;
• generating, based, at least in part, on the message, a response corresponding to one or more active transmission configuration states, wherein an active transmission configuration state of the one or more active transmission configuration states corresponds to, for a selected transmission configuration state, one of multiple possible triggers for a reference signal;
• and
• transmitting the response to the UE.

An apparatus for wireless communication, comprising:

• a transceiver;
• a memory configured to store instructions;
• and
• one or more processors communicatively coupled with the transceiver and the memory, wherein the one or more processors are configured to:
• receive, from a user equipment (UE), a message comprising data corresponding to one or more transmission configuration states supported by the UE for detecting downlink beamformed signals;
• generate, based, at least in part, on the message, a response corresponding to one or more active transmission configuration states, wherein an active transmission configuration state of the one or more active transmission configuration states corresponds to, for a selected transmission configuration state, one of multiple possible triggers for a reference signal;
• and
• transmit the response to the UE.

An apparatus for wireless communication, comprising:

• means for receiving, from a user equipment (UE), a message comprising data corresponding to one or more transmission configuration states supported by the UE for detecting downlink beamformed signals;
• means for generating, based, at least in part, on the message, a response corresponding to one or more active transmission configuration states, wherein an active transmission configuration state of the one or more active transmission configuration states corresponds to, for a selected transmission configuration state, one of multiple possible triggers for a reference signal;
• and
• means for transmitting the response to the UE.

A non-transitory computer-readable medium, comprising code executable by one or more processors for wireless communications, the code comprising:

• code for receiving, from a user equipment (UE), a message comprising data corresponding to one or more transmission configuration states supported by the UE for detecting downlink beamformed signals;
• code for generating, based, at least in part, on the message, a response corresponding to one or more active transmission configuration states, wherein an active transmission configuration state of the one or more active transmission configuration states corresponds to, for a selected transmission configuration state, one of multiple possible triggers for a reference signal;
• and
• code for transmitting the response to the UE.

A method of wireless communication, comprising:

• indicating a capability of a number of transmission configuration indicator (TCI) states supported for detecting downlink beamformed signals;
• receiving, from at least an access point and based on the capability, one or more configurations of active TCI states;
• processing the one or more configurations to determine the active TCI states, wherein at least one of the active TCI states in the one or more configurations corresponds to a trigger state for transmitting a given aperiodic channel state information reference signal (A-CSI-RS) and at least another one of the active TCI states in the one or more configurations corresponds to, for a selected TCI state, a different trigger state for transmitting the given A-CSI-RS;
• and
• detecting, based on processing the one or more configurations, one or more downlink beamformed signals received from the access point.