Enhanced radio frequency (RF) sensing measurement reports in cellular systems
Disclosed are systems, apparatuses, processes, and computer-readable media for wireless communications. For example, a network device can receive one or more radio frequency (RF) sensing resources. The network device can determine RF sensing measurements based on the one or more RF sensing resources. For instance, the RF sensing measurements may be based on at least one use case for RF sensing. The network device can transmit, to a network entity, a measurement report comprising the RF sensing measurements for the at least one use case for the RF sensing.
1 . A network device for wireless communications, the network device comprising:
at least one memory; and
at least one processor coupled to the at least one memory and configured to:
receive one or more radio frequency (RF) sensing resources;
determine RF sensing measurements based on the one or more RF sensing resources, wherein the RF sensing measurements are based on at least one use case for RF sensing; and
transmit, to a network entity, a measurement report comprising the RF sensing measurements for the at least one use case for the RF sensing.
2 . The network device of claim 1 , wherein the network device is one of user equipment (UE) or a base station.
3 . The network device of claim 1 , wherein the network entity is a network server.
4 . The network device of claim 1 , wherein the at least one use case is at least one of traffic monitoring, identification of parking spaces, road safety, dynamic three-dimensional (3D) maps, drone monitoring, drone management, environment monitoring, human detection, animal detection, fall detection, breathing estimation, heart rate estimation, location-aware control, driver attention monitoring, gesture recognition, keystroke recognition, head activity recognition, or arm recognition.
5 . The network device of claim 1 , wherein the RF sensing is one of bistatic sensing, multi-static sensing, or monostatic sensing.
6 . The network device of claim 1 , wherein the RF sensing measurements comprise at least one of angular estimation, speed estimation, Doppler estimation, or range estimation.
7 . The network device of claim 6 , wherein the speed estimation is a radial speed estimation.
8 . The network device of claim 1 , wherein the at least one use case comprises a plurality of use cases, and wherein the measurement report comprises respective RF sensing measurements for each use case of the plurality of use cases.
9 . The network device of claim 1 , wherein the at least one processor is configured to receive, from the network entity, at least one request for the RF sensing measurements.
10 . The network device of claim 1 , wherein the at least one use case comprises at least a first use case and a second use case that has commonality with the first use case, and wherein the measurement report includes an indication that the measurement report is associated with the first use case and the second use case.
11 . The network device of claim 1 , wherein the at least one processor is configured to receive, from the network entity, an indication of a priority for the measurement report across a plurality of use cases comprising the at least one use case.
12 . The network device of claim 1 , wherein the measurement report comprises frequency domain (FD) channel measurements.
13 . The network device of claim 12 , wherein the FD channel measurements are quantized FD channel measurements.
14 . The network device of claim 13 , wherein the measurement report includes an indication of at least one of a quantization level or a scaling factor for the quantized FD channel measurements.
15 . The network device of claim 12 , wherein the FD channel measurements are associated with one or more antennas of a plurality of antennas of the network device.
16 . The network device of claim 15 , wherein the measurement report includes an indication of each of the one or more antennas associated with the FD channel measurements.
17 . The network device of claim 12 , wherein the FD channel measurements comprise one or more combined FD channel measurements, wherein each of the one or more combined FD channel measurements is associated with a respective group of antennas from a plurality of antennas of the network device.
18 . The network device of claim 1 , wherein the measurement report includes an indication of whether the measurement report is complete or incomplete.
19 . The network device of claim 18 , wherein the indication of whether the measurement report is complete or incomplete includes a bit in an uplink payload of the measurement report.
20 . The network device of claim 18 , wherein, when the measurement report is incomplete, the indication of whether the measurement report is complete or incomplete indicates which measurements are omitted from the measurement report using a plurality of bits in an uplink payload of the measurement report.
21 . The network device of claim 1 , wherein the one or more RF sensing resources include one or more RF sensing reference signals.
22 . A method for wireless communications at a network device, the method comprising:
receiving, by the network device, one or more radio frequency (RF) sensing resources;
determining, by the network device, RF sensing measurements based on the one or more RF sensing resources, wherein the RF sensing measurements are based on at least one use case for RF sensing; and
transmitting, by the network device to a network entity, a measurement report comprising the RF sensing measurements for the at least one use case for the RF sensing.
23 . The method of claim 22 , wherein the network device is one of user equipment (UE) or a base station, and wherein the network entity is a network server.
24 . The method of claim 22 , wherein the at least one use case is at least one of traffic monitoring, identification of parking spaces, road safety, dynamic three-dimensional (3D) maps, drone monitoring, drone management, environment monitoring, human detection, animal detection, fall detection, breathing estimation, heart rate estimation, location-aware control, driver attention monitoring, gesture recognition, keystroke recognition, head activity recognition, or arm recognition.
25 . The method of claim 22 , wherein the RF sensing measurements comprise at least one of angular estimation, speed estimation, Doppler estimation, or range estimation.
26 . The method of claim 22 , wherein the at least one use case comprises a plurality of use cases, and wherein the measurement report comprises respective RF sensing measurements for each use case of the plurality of use cases.
27 . The method of claim 22 , wherein the at least one use case comprises at least a first use case and a second use case that has commonality with the first use case, and wherein the measurement report includes an indication that the measurement report is associated with the first use case and the second use case.
28 . The method of claim 22 , further comprising receiving, by the network device from the network entity, an indication of a priority for the measurement report across a plurality of use cases comprising the at least one use case.
29 . The method of claim 22 , wherein the measurement report comprises frequency domain (FD) channel measurements, wherein the FD channel measurements are at least one of quantized FD channel measurements, associated with one or more antennas of a plurality of antennas of the network device, or comprise one or more combined FD channel measurements, wherein each of the one or more combined FD channel measurements is associated with a respective group of antennas from a plurality of antennas of the network device.
30 . The method of claim 22 , wherein the measurement report includes an indication of whether the measurement report is complete or incomplete, and wherein, when the measurement report is incomplete, the indication of whether the measurement report is complete or incomplete indicates which measurements are omitted from the measurement report using a plurality of bits in an uplink payload of the measurement report.