L1 activation and adaptation of L2 CLI reporting
A method for wireless communication at a UE is disclosed herein. The method includes receiving DCI for activating MAC-CE CLI reporting. The method further includes transmitting one or more MAC-CE CLI reports based upon the DCI.
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 downlink control information (DCI) that indicates an activation of medium access control-control element (MAC-CE) crosslink interference (CLI) reporting based on measurement of semi-persistent CLI measurement resources; and
transmit, based on reception of the DCI, one or more MAC-CE CLI reports based on measurement of the semi-persistent CLI measurement resources.
2 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
receive, prior to the DCI, one or more configurations for the MAC-CE CLI reporting, wherein the DCI activates a previously received configuration for the MAC-CE CLI reporting.
3 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
perform, based on the activation in the DCI and prior to transmission of the one or more MAC-CE CLI reports, multiple measurements based upon the semi-persistent CLI measurement resources, wherein the one or more MAC-CE CLI reports include one or more measurements of the multiple measurements.
4 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
receive a second DCI that indicates a deactivation the MAC-CE CLI reporting.
5 . The apparatus of claim 1 , wherein the DCI is based on a radio-network temporary identifier (RNTI) associated with the MAC-CE CLI reporting, wherein the RNTI is different than at least one other RNTI used for aperiodic channel state information (AP CSI) reporting, wherein a channel-state information (CSI) request field in the DCI indicates that the MAC-CE CLI reporting is to be activated, and wherein a trigger state configured in radio resource control (RRC) includes a mapping to a L2 CLI report setting.
6 . The apparatus of claim 1 , wherein the DCI is based on a radio-network temporary identifier (RNTI) that triggers the MAC-CE CLI reporting, wherein the RNTI is equivalent to at least one other RNTI used for semi-persistent channel state information (SP CSI) reporting.
7 . The apparatus of claim 6 , wherein the DCI is associated with a plurality of trigger states, wherein a subset of the plurality of trigger states is for the MAC-CE CLI reporting.
8 . The apparatus of claim 6 , wherein the at least one processor is further configured to:
receive a MAC-CE that indicates that a subset of a plurality of trigger states are for the MAC-CE CLI reporting, wherein the DCI includes an indication of one or more of the plurality of trigger states for the MAC-CE CLI reporting.
9 . The apparatus of claim 6 , wherein one or more DCI field values in the DCI indicate whether at least one of the MAC-CE CLI reporting or the SP CSI reporting is to be activated.
10 . The apparatus of claim 1 , wherein the DCI is based on a radio-network temporary identifier (RNTI) that triggers the MAC-CE CLI reporting, wherein the RNTI is equivalent to at least one other RNTI used for aperiodic channel state information (AP CSI) reporting.
11 . The apparatus of claim 10 , wherein the DCI is associated with a plurality of trigger states, wherein a subset of the plurality of trigger states are for the MAC-CE CLI reporting.
12 . The apparatus of claim 10 , wherein the at least one processor is further configured to:
receive a MAC-CE that indicates that a subset of a plurality of codepoints in the DCI are for the MAC-CE CLI reporting.
13 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
receive, prior to receive the DCI and via radio resource control (RRC) communications, one or more CLI reporting configurations, wherein the one or more MAC-CE CLI reports are based upon the one or more CLI reporting configurations.
14 . The apparatus of claim 13 , wherein the at least one processor is further configured to:
receive a second DCI that deactivates a first MAC-CE CLI report or activates a second MAC-CE CLI report.
15 . The apparatus of claim 13 , wherein the DCI includes one or more fields that include one or more parameters for the MAC-CE CLI reporting, and wherein the at least one processor is further configured to:
update the MAC-CE CLI reporting based upon the one or more parameters.
16 . The apparatus of claim 15 , wherein the one or more parameters include one or more of:
an indication for wide-band reporting or sub-band reporting,
a sub-selection of one or more sub-bands that are to be reported,
an update of a CLI reporting threshold, or
a quasi co-location type D (QCL-D) update of a measurement resource.
17 . The apparatus of claim 15 , wherein the one or more CLI reporting configurations comprise a list that includes the one or more parameters, wherein the DCI indicates a parameter in the one or more parameters or the list indicates a default parameter.
18 . The apparatus of claim 15 , wherein update the MAC-CE CLI reporting based upon the one or more parameters occurs at a time that is based upon one of:
a first number of symbols from the DCI,
a second number of slots from a slot that carries the DCI, or
a subcarrier spacing (SCS) and a type of the one or more parameters.
19 . The apparatus of claim 1 , wherein the at least one processor is further configured to:
receive a MAC-CE that activates the semi-persistent CLI measurement resources for the one or more MAC-CE CLI reports; and
perform measurements on the one or more CLI measurement resources based upon the MAC-CE that activates the semi-persistent CLI measurement resources.
20 . The apparatus of claim 1 , wherein the DCI further activates the semi-persistent CLI measurement resources for the one or more MAC-CE CLI reports.
21 . The apparatus of claim 20 , wherein the semi-persistent CLI measurement resources are shared between the one or more MAC-CE CLI reports or each of the semi-persistent CLI measurement resources is utilized by a different MAC-CE CLI report in the one or more MAC-CE CLI reports.
22 . The apparatus of claim 1 , further comprising:
at least one transceiver coupled to the at least one processor and configured to receive the DCI and transmit the one or more MAC-CE CLI reports.
23 . A method of wireless communication at a user equipment (UE), comprising:
receiving downlink control information (DCI) that indicates an activation of medium access control-control element (MAC-CE) crosslink interference (CLI) reporting based on measurement of semi-persistent CLI measurement resources; and
transmitting, based on reception of the DCI, one or more MAC-CE CLI reports based on measurement of the semi-persistent CLI measurement resources.
24 . An apparatus for wireless communication at a network node, 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:
transmit downlink control information (DCI) that indicates an activation of medium access control-control element (MAC-CE) crosslink interference (CLI) reporting based on measurement of semi-persistent CLI measurement resources; and
receive, in response to the DCI, one or more MAC-CE CLI reports based on the measurement of the semi-persistent CLI measurement resources.
25 . The apparatus of claim 24 , wherein the at least one processor is further configured to:
transmit, prior to the DCI, one or more configurations for the MAC-CE CLI reporting, wherein the DCI activates a previously transmitted configuration for the MAC-CE CLI reporting.
26 . The apparatus of claim 24 , wherein, based on the DCI, the one or more MAC-CE CLI reports are based on multiple measurements based upon the semi-persistent CLI measurement resources.
27 . The apparatus of claim 24 , wherein the at least one processor is further configured to:
transmit a second DCI that indicates a deactivation the MAC-CE CLI reporting.
28 . The apparatus of claim 24 , wherein the DCI is based on a radio-network temporary identifier (RNTI) associated with the MAC-CE CLI reporting, wherein the RNTI is different than at least one other RNTI used for aperiodic channel state information (AP CSI) reporting, wherein a channel-state information (CSI) request field in the DCI indicates that the MAC-CE CLI reporting is to be activated, and wherein a trigger state configured in radio resource control (RRC) includes a mapping to a L2 CLI report setting.
29 . The apparatus of claim 24 , further comprising: at least one transceiver coupled to the at least one processor and configured to transmit the DCI and receive the one or more MAC-CE CLI reports.
30 . A method of wireless communication at a network node, comprising:
transmitting downlink control information (DCI) that indicates an activation of medium access control-control element (MAC-CE) crosslink interference (CLI) reporting based on measurement of semi-persistent CLI measurement resources; and
receiving, in response to the DCI, one or more MAC-CE CLI reports based on the measurement of the semi-persistent CLI measurement resources.