User equipment to object association beam management

1 . An apparatus for wireless communication at a user equipment (UE), comprising:

memory; and

at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to:

receive a first indication of an association between the UE and an object;

receive a sensing signal reflected off of the object associated with the UE;

measure the received sensing signal reflected off of the object associated with the UE; and

transmit a second indication of a broken association between the UE and the object based on the measured received sensing signal and the association between the UE and the object.

2 . The apparatus of claim 1 , wherein the at least one processor is further configured to:

measure a strength of the received sensing signal, wherein, to transmit the second indication of the broken association, the at least one processor is configured to:

transmit the second indication of the broken association in response to the measured strength of the received sensing signal being less than or equal to a signal strength threshold value.

3 . The apparatus of claim 2 , wherein, to measure the strength of the received sensing signal, the at least one processor is configured to:

measure at least one of a reference signal receive power (RSRP) or a relative RSRP backoff associated with the received sensing signal.

4 . The apparatus of claim 2 , wherein the at least one processor is further configured to:

receive the signal strength threshold value from a network node.

5 . The apparatus of claim 2 , wherein the at least one processor is further configured to:

receive a channel state information (CSI) reference signal (CSI-RS);

measure a second strength of the received CSI-RS; and

transmit a third indication of the broken association between the UE and the object in response to the measured second strength of the CSI-RS being less than or equal to a second signal strength threshold value.

6 . The apparatus of claim 5 , wherein the first signal strength threshold value and the second signal strength threshold value are different.

7 . The apparatus of claim 1 , wherein, to transmit the second indication of the broken association with the object, the at least one processor is configured to:

transmit at least one of an uplink control information (UCI) message, a sounding reference signal (SRS), a random access channel (RACH) message, or a medium access control (MAC) control element (MAC-CE) comprising the second indication of the broken association.

8 . The apparatus of claim 1 , wherein, to transmit the second indication of the broken association with the object, the at least one processor is configured to:

transmit a request to trigger a fallback beam management (BM) procedure.

9 . The apparatus of claim 1 , wherein, to transmit the second indication of the broken association with the object, the at least one processor is configured to:

transmit a request to construct a second association between the UE and at least one other object.

10 . The apparatus of claim 1 , wherein the at least one processor is further configured to:

receive a first channel state information (CSI) reference signal (CSI-RS) configuration comprising a third indication of a first periodicity;

receive a first CSI-RS from a network node;

receive an updated CSI-RS configuration comprising a fourth indication of a second periodicity, wherein the second periodicity is greater than the first periodicity; and

receive the sensing signal after receiving the updated CSI-RS configuration.

11 . The apparatus of claim 10 , wherein the at least one processor is further configured to:

receive a second CSI-RS based on the second periodicity:

measure the received second CSI-RS; and

transmit a CSI-RS report based on the measured received second CSI-RS.

12 . The apparatus of claim 1 , further comprising a transceiver coupled to the at least one processor, wherein, to receive the sensing signal reflected off of the object associated with the UE, the at least one processor is configured to:

receive, via the transceiver, the sensing signal reflected off of the object associated with the UE.

13 . A method of wireless communication at a user equipment (UE), comprising:

receiving a first indication of an association between the UE and an object;

receiving a sensing signal reflected off of the object associated with the UE;

measuring the received sensing signal reflected off of the object associated with the UE; and

transmitting a second indication of a broken association between the UE and the object based on the measured received sensing signal and the association between the UE and the object.

14 . The method of claim 13 , further comprising:

receiving a first channel state information (CSI) reference signal (CSI-RS) configuration comprising a third indication of a first periodicity;

receiving a first CSI-RS from a network node;

receiving an updated CSI-RS configuration comprising a fourth indication of a second periodicity, wherein the second periodicity is greater than the first periodicity; and

receiving the sensing signal after receiving the updated CSI-RS configuration.

15 . The method of claim 14 , further comprising:

receive a second CSI-RS based on the second periodicity:

measuring the received second CSI-RS; and

transmitting a CSI-RS report based on the measured received second CSI-RS.

16 . The method of claim 13 , further comprising:

measuring a strength of the received sensing signal, wherein transmitting the second indication of the broken association comprises:

transmitting the second indication of the broken association in response to the measured strength of the received sensing signal being less than or equal to a signal strength threshold value.

17 . The method of claim 16 , wherein measuring the strength of the received sensing signal comprises:

measuring at least one of a reference signal receive power (RSRP) or a relative RSRP backoff associated with the received sensing signal.

18 . The method of claim 16 , further comprising:

receiving the signal strength threshold value from a network node.

19 . The method of claim 16 , further comprising:

receiving a channel state information (CSI) reference signal (CSI-RS);

measuring a second strength of the received CSI-RS; and

transmitting a third indication of the broken association between the UE and the object in response to the measured second strength of the CSI-RS being less than or equal to a second signal strength threshold value.

20 . The method of claim 19 , wherein the signal strength threshold value and the second signal strength threshold value are different.

21 . The method of claim 13 , wherein transmitting the second indication of the broken association with the object comprises:

transmitting at least one of an uplink control information (UCI) message, a sounding reference signal (SRS), a random access channel (RACH) message, or a medium access control (MAC) control element (MAC-CE) comprising the second indication of the broken association.

22 . The method of claim 13 , wherein transmitting the second indication of the broken association with the object comprises:

transmitting a request to trigger a fallback beam management (BM) procedure.

23 . The method of claim 13 , wherein transmitting the second indication of the broken association with the object comprises:

transmitting a request to construct a second association between the UE and at least one other object.

24 . A non-transitory computer-readable medium storing computer executable code at a UE, the code when executed by at least one processor causes the at least one processor to:

receive a first indication of an association between the UE and an object;

receive a sensing signal reflected off of the object associated with the UE;

measure the received sensing signal reflected off of the object associated with the UE; and

transmit a second indication of a broken association between the UE and the object based on the measured received sensing signal and the association between the UE and the object.

25 . The non-transitory computer-readable medium of claim 24 , wherein the code when executed by the at least one processor further causes the at least one processor to:

measure a strength of the received sensing signal, wherein, to transmit the second indication of the broken association, the code when executed by the at least one processor causes the at least one processor to:

transmit the second indication of the broken association in response to the measured strength of the received sensing signal-being less than or equal to a signal strength threshold value.

26 . The non-transitory computer-readable medium of claim 25 , wherein, the code when executed by the at least one processor further causes the at least one processor to:

receive a channel state information (CSI) reference signal (CSI-RS);

measure a second strength of the received CSI-RS; and

transmit a third indication of the broken association between the UE and the object in response to the measured second strength of the CSI-RS being less than or equal to a second signal strength threshold value.

27 . The non-transitory computer-readable medium of claim 24 , wherein the code when executed by the at least one processor causes the at least one processor to:

receive a first channel state information (CSI) reference signal (CSI-RS) configuration comprising a third indication of a first periodicity;

receive a first CSI-RS from a network node;

receive an updated CSI-RS configuration comprising a fourth indication of a second periodicity, wherein the second periodicity is greater than the first periodicity; and

receive the sensing signal after receiving the updated CSI-RS configuration.

28 . An apparatus for wireless communication at a UE, comprising:

means for receiving a first indication of an association between the UE and an object;

means for receiving a sensing signal reflected off of the object associated with the UE;

means for measuring the received sensing signal reflected off of the object associated with the UE; and

means for transmitting a second indication of a broken association between the UE and the object based on the measured received sensing signal and the association between the UE and the object.