Maximum permissible exposure reporting
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a channel state information (CSI) reporting configuration. The UE may transmit, to the base station, a CSI report according to the CSI reporting configuration, the CSI report including a maximum permissible exposure report. Numerous other aspects are described.
1 . A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors operatively coupled to the memory, the memory and the one or more processors configured to:
receive, from a base station, a channel state information (CSI) reporting configuration;
receive, from the base station, information that identifies a mapping of a plurality of power management maximum power reduction value ranges to a plurality of reporting values; and
transmit, to the base station, a CSI report according to the CSI reporting configuration, the CSI report including a maximum permissible exposure (MPE) report.
2 . The UE of claim 1 , wherein the CSI report is for layer one reference signal received power reporting or for layer one signal to interference plus noise ratio reporting.
3 . The UE of claim 1 , wherein the MPE report includes an indication of whether a reference signal identified in the CSI report is associated with an MPE constraint.
4 . The UE of claim 1 , wherein the CSI reporting configuration includes an indication that the UE is to include the MPE report in the CSI report.
5 . The UE of claim 1 , wherein the MPE report includes an indication of a power management maximum power reduction value associated with a reference signal identified in the CSI report.
6 . The UE of claim 1 , wherein the CSI report identifies multiple groups of reference signals, and a group of reference signals, of the multiple groups of reference signals, includes one or more reference signals.
7 . The UE of claim 6 , wherein the MPE report includes:
a first indication of whether a first set of reference signals, that includes first reference signals of the multiple groups of reference signals having more than one reference signal, is associated with an MPE constraint; and
a second indication of whether a second set of reference signals, that includes second reference signals of the multiple groups of reference signals having more than one reference signal, is associated with an MPE constraint.
8 . The UE of claim 7 , wherein the first set of reference signals further includes reference signals of the multiple groups of reference signals having only one reference signal.
9 . The UE of claim 7 , wherein the MPE report further includes a third indication of whether a third set of reference signals, that includes reference signals of the multiple groups of reference signals having only one reference signal, is associated with an MPE constraint.
10 . The UE of claim 1 , wherein the CSI report identifies one or more groups of reference signals, and a group of reference signals, of the one or more groups of reference signals, includes multiple reference signals.
11 . The UE of claim 10 , wherein the MPE report includes:
a first indication of whether a first set of reference signals, that includes first reference signals of the one or more groups of reference signals, is associated with an MPE constraint; and
a second indication of whether a second set of reference signals, that includes second reference signals of the one or more groups of reference signals, is associated with an MPE constraint.
12 . The UE of claim 1 , wherein the CSI report identifies multiple reference signals, and the CSI report corresponds to a particular report setting.
13 . The UE of claim 12 , wherein the MPE report includes an indication of whether the multiple reference signals are associated with an MPE constraint.
14 . A base station for wireless communication, comprising:
a memory; and
one or more processors operatively coupled to the memory, the memory and the one or more processors configured to:
transmit, to a user equipment (UE), a channel state information (CSI) reporting configuration;
transmit, to the UE, information that identifies a mapping of a plurality of power management maximum power reduction value ranges to a plurality of reporting values; and
receive, from the UE, a CSI report according to the CSI reporting configuration, the CSI report including a maximum permissible exposure (MPE) report.
15 . The base station of claim 14 , wherein the CSI report is for layer one reference signal received power reporting or for layer one signal to interference plus noise ratio reporting.
16 . The base station of claim 14 , wherein the MPE report includes an indication of whether a reference signal identified in the CSI report is associated with an MPE constraint.
17 . The base station of claim 14 , wherein the CSI reporting configuration includes an indication that the UE is to include the MPE report in the CSI report.
18 . The base station of claim 14 , wherein the MPE report includes an indication of a power management maximum power reduction value associated with a reference signal identified in the CSI report.
19 . The base station of claim 14 , wherein the CSI report identifies multiple groups of reference signals, and a group of reference signals, of the multiple groups of reference signals, includes one or more reference signals.
20 . The base station of claim 19 , wherein the MPE report includes:
a first indication of whether a first set of reference signals, that includes first reference signals of the multiple groups of reference signals having more than one reference signal, is associated with an MPE constraint; and
a second indication of whether a second set of reference signals, that includes second reference signals of the multiple groups of reference signals having more than one reference signal, is associated with an MPE constraint.
21 . The base station of claim 20 , wherein the first set of reference signals further includes reference signals of the multiple groups of reference signals having only one reference signal.
22 . The base station of claim 20 , wherein the MPE report further includes a third indication of whether a third set of reference signals, that includes reference signals of the multiple groups of reference signals having only one reference signal, is associated with an MPE constraint.
23 . The base station of claim 14 , wherein the CSI report identifies one or more groups of reference signals, and a group of reference signals, of the one or more groups of reference signals, includes multiple reference signals.
24 . The base station of claim 23 , wherein the MPE report includes:
a first indication of whether a first set of reference signals, that includes first reference signals of the one or more groups of reference signals, is associated with an MPE constraint; and
a second indication of whether a second set of reference signals, that includes second reference signals of the one or more groups of reference signals, is associated with an MPE constraint.
25 . The base station of claim 14 , wherein the CSI report identifies multiple reference signals, and the CSI report corresponds to a particular report setting.
26 . The base station of claim 25 , wherein the MPE report includes an indication of whether the multiple reference signals are associated with an MPE constraint.
27 . A method of wireless communication performed by a user equipment (UE), comprising:
receiving, from a base station, a channel state information (CSI) reporting configuration;
receiving, from the base station, information that identifies a mapping of a plurality of power management maximum power reduction value ranges to a plurality of reporting values; and
transmitting, to the base station, a CSI report according to the CSI reporting configuration, the CSI report including a maximum permissible exposure (MPE) report.
28 . A method of wireless communication performed by a base station, comprising:
transmitting, to a user equipment (UE), a channel state information (CSI) reporting configuration;
transmitting, to the UE, information that identifies a mapping of a plurality of power management maximum power reduction value ranges to a plurality of reporting values; and
receiving, from the UE, a CSI report according to the CSI reporting configuration, the CSI report including a maximum permissible exposure (MPE) report.