RF map construction via aggregation of multiple sensing ue reports
A method of wireless communication at a UE is described herein. The method includes transmitting a sensing report including (1) a first indication of at least one radio frequency (RF) measurement associated with at least one BPL and (2) a second indication of a representation of an environment of the UE. The method includes obtaining an RF map based on the transmitted sensing report, where the RF map is indicative of at least one surface in the environment of the UE that is associated with at least one suitable BPL. The method includes communicating based on the RF map.
1 . An apparatus for wireless communication at a user equipment (UE), comprising:
at least one memory; and
at least one processor coupled to the at least one memory and, based at least in part on information stored in the at least one memory, the at least one processor is configured to:
obtain, via at least one sensor of the UE, sensor data;
transmit a sensing report including (1) a first indication of at least one radio frequency (RF) measurement associated with at least one beam pair link (BPL) and (2) a second indication of a representation of an environment of the UE, wherein the representation of the environment of the UE is based on the sensor data;
obtain an RF map based on the transmitted sensing report, wherein the RF map is indicative of at least one surface in the environment of the UE that is associated with at least one suitable BPL; and
communicate based on the RF map.
2 . The apparatus of claim 1 , wherein to communicate based on the RF map, the at least one processor is configured to:
perform, based on the RF map, a beam search for at least one beam associated with the at least one suitable BPL; and
communicate, via the at least one beam, based on the RF map.
3 . The apparatus of claim 2 , wherein the at least one beam is associated with a reflection or a refraction off of the at least one surface in the environment.
4 . The apparatus of claim 1 , wherein to communicate based on the RF map, the at least one processor is configured to communicate with a network node based on the RF map.
5 . The apparatus of claim 1 , wherein the sensing report is a heat map that includes an indication of at least one beam pattern associated with the at least one BPL that is overlaid upon the representation of the environment of the UE, and wherein the RF map is based on the heat map.
6 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
generate a plurality of sensing reports including indications of RF measurements associated with beam pair links (BPLs) and the second indication of the representation of the environment of the UE, wherein the plurality of sensing reports includes the sensing report.
7 . The apparatus of claim 6 , wherein the at least one processor is further configured to:
select the sensing report from amongst the plurality of sensing reports based on at least one of the indications of the RF measurements, wherein to transmit the sensing report, the at least one processor is configured to transmit the sensing report based on the selection.
8 . The apparatus of claim 6 , wherein the plurality of sensing reports includes a first sensing report and a second sensing report, and wherein the at least one processor is further configured to:
combine the first sensing report and the second sensing report to generate the sensing report.
9 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
perform the at least one RF measurement associated with the at least one BPL.
10 . The apparatus of claim 9 , wherein to perform the at least one RF measurement associated with the at least one BPL, the at least one processor is configured to perform at least one reference signal received power (RSRP) measurement on at least one synchronization signal block (SSB) associated with the at least one BPL.
11 . The apparatus of claim 1 , wherein the sensing report further includes at least one of a location of the UE or an orientation of the UE.
12 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
transmit a request for the RF map, wherein to obtain the RF map, the at least one processor is configured to obtain the RF map based on the transmitted request.
13 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
generate, based on the sensor data, the representation of the environment of the UE.
14 . The apparatus of claim 13 , wherein the sensor data comprises at least one camera image.
15 . The apparatus of claim 1 , wherein the RF map is based on a plurality of sensing reports of a plurality of UEs that includes the UE.
16 . The apparatus of claim 1 , further comprising at least one of a transceiver or an antenna coupled to the at least one processor, wherein to communicate based on the RF map, the at least one processor is configured to communicate based on the RF map via at least one of the transceiver or the antenna.
17 . An apparatus for wireless communication at a network node, comprising:
at least one memory; and
at least one processor coupled to the at least one memory and, based at least in part on information stored in the at least one memory, the at least one processor is configured to:
obtain a plurality of sensing reports for a plurality of user equipments (UEs), wherein a sensing report in the plurality of sensing reports includes (1) a first indication of at least one radio frequency (RF) measurement associated with at least one beam pair link (BPL) and (2) a second indication of a representation of an environment of a UE, wherein the representation of the environment of the UE is based on sensor data;
generate, based on the plurality of sensing reports, an RF map, wherein the RF map is indicative of at least one surface in the environment of the UE that is associated with at least one suitable BPL; and
transmit, for the UE, the RF map.
18 . The apparatus of claim 17 , wherein the network node comprises a road side unit (RSU), a base station, or a server.
19 . The apparatus of claim 17 , wherein the at least one RF measurement associated with the at least one BPL comprises at least one reference signal received power (RSRP) measurement.
20 . The apparatus of claim 17 , wherein the sensing report is a heat map that includes an indication of at least one beam pattern associated with the at least one BPL that is overlaid upon the representation of the environment of the UE.
21 . The apparatus of claim 17 , wherein the sensing report further includes at least one of a location of the UE or an orientation of the UE.
22 . The apparatus of claim 17 , wherein the at least one processor is further configured to:
receive a request for the RF map, wherein to transmit the RF map, the at least one processor is configured to transmit the RF map based on the received request.
23 . The apparatus of claim 17 , further comprising at least one of a transceiver or an antenna coupled to the at least one processor, wherein to transmit the RF map, the at least one processor is configured to transmit the RF map via at least one of the transceiver or the antenna.
24 . A method of wireless communication at a user equipment (UE), comprising:
obtaining, via at least one sensor of the UE, sensor data;
transmitting a sensing report including (1) a first indication of at least one radio frequency (RF) measurement associated with at least one beam pair link (BPL) and (2) a second indication of a representation of an environment of the UE, wherein the representation of the environment of the UE is based on the sensor data;
obtaining an RF map based on the transmitted sensing report, wherein the RF map is indicative of at least one surface in the environment of the UE that is associated with at least one suitable BPL; and
communicating based on the RF map.
25 . The method of claim 24 , wherein communicating based on the RF map comprises:
performing, based on the RF map, a beam search for at least one beam associated with the at least one suitable BPL; and
communicating, via the at least one beam, based on the RF map.
26 . The method of claim 25 , wherein the at least one beam is associated with a reflection or a refraction off of the at least one surface in the environment.
27 . The method of claim 24 , wherein communicating based on the RF map comprises communicating with a network node based on the RF map.
28 . The method of claim 24 , wherein the sensing report is a heat map that includes an indication of at least one beam pattern associated with the at least one BPL that is overlaid upon the representation of the environment of the UE, and wherein the RF map is based on the heat map.
29 . The method of claim 24 , further comprising:
generating a plurality of sensing reports including indications of RF measurements associated with beam pair links (BPLs) and the second indication of the representation of the environment of the UE, wherein the plurality of sensing reports includes the sensing report.
30 . A method of wireless communication at a network node, comprising:
obtaining a plurality of sensing reports for a plurality of user equipments (UEs), wherein a sensing report in the plurality of sensing reports includes (1) a first indication of at least one radio frequency (RF) measurement associated with at least one beam pair link (BPL) and (2) a second indication of a representation of an environment of a UE, wherein the representation of the environment of the UE is based on sensor data;
generating, based on the plurality of sensing reports, an RF map, wherein the RF map is indicative of at least one surface in the environment of the UE that is associated with at least one suitable BPL; and
transmitting, for the UE, the RF map.