Idle/inactive mode procedures for reduced capability user equipment
Certain aspects of the present disclosure provide techniques for wireless communication by a user equipment (UE), generally including receiving, from a network entity, a configuration for a first downlink (DL) bandwidth part (BWP), a first control resource set (CORESET) configured on the first DL BWP, and one or more first search space (SS) sets within the first CORESET, receiving, from the network entity, a configuration for a second downlink BWP, a second CORESET configured on the second DL BWP, and one or more second SS sets within the second CORESET, receiving signaling configuring the UE for physical downlink control channel (PDCCH) monitoring adaptation, and monitoring for PDCCHs, subject to the PDCCH monitoring adaptation, when performing one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP.
1. An apparatus for wireless communication at a user equipment (UE), comprising:
memory comprising computer-executable instructions; and
one or more processors configured to, individually or collectively, execute the computer-executable instructions and cause the apparatus to:
receive, from a network entity, a configuration for a first downlink (DL) bandwidth part (BWP), a first control resource set (CORESET) configured on the first DL BWP, and one or more first search space (SS) sets within the first CORESET;
receive, from the network entity, a configuration for a second downlink-DL BWP, a second CORESET configured on the second DL BWP, and one or more second SS sets within the second CORESET;
receive signaling of a configuration for physical downlink control channel (PDCCH) monitoring adaptation;
monitor, during discontinuous reception (DRX) cycles, for an indication of PDCCH monitoring adaptation when performing one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP;
receive, as a result of the monitoring, signaling activating PDCCH monitoring adaptation, on at least one of the first DL BWP or the second DL BWP, in accordance with the configuration;
update, based on the signaling activating PDCCH monitoring adaptation, at least one of PDCCH monitoring periodicity, time offset of a PDCCH monitoring window, duration of the PDCCH monitoring window, time offset of a PDCCH monitoring skipping window, or a duration of the PDCCH monitoring skipping window; and
monitor for PDCCHs, subject to the PDCCH monitoring adaptation, when performing one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP.
2. The apparatus of claim 1 , wherein the signaling indicating a configuration for PDCCH monitoring adaptation is received via at least one of downlink control information (DCI), medium access control (MAC) control element (CE), radio resource control (RRC) signaling, or a combination thereof.
3. The apparatus of claim 1 , wherein the one or more processors are further configured to, individually or collectively, execute the computer-executable instructions and cause the apparatus to:
update, based on the signaling, at least one of SS sets or a CORESET configuration for PDCCH monitoring on at least one of the first DL BWP or the second DL BWP.
4. The apparatus of claim 1 , wherein
the PDCCH monitoring adaptation is configured for the UE based on at least one of: a UE capability indication or UE assistance information (UAI) transmitted by the UE in an UL BWP linked to at least one of the first DL BWP or the second DL BWP.
5. The apparatus of claim 1 , wherein the one or more processors are further configured to, individually or collectively, execute the computer-executable instructions and cause the apparatus to:
transmit at least one of a request or UE assistance information (UAI) for PDCCH monitoring adaptation when performing idle mode or inactive mode procedures in at least one of the first DL BWP or the second DL BWP.
6. The apparatus of claim 5 , wherein transmitting the request or UAI comprises multiplexing the request or UAI with an UL transmission associated with at least one of a random access procedure, measurement reporting, mobile originated data transfer, or mobile terminated data transfer.
7. An apparatus for wireless communication at a network entity, comprising:
memory comprising computer-executable instructions; and one or more processors configured to, individually or collectively, execute the computer-executable instructions and cause the apparatus to:
transmit, to a user equipment (UE), a configuration for a first downlink (DL) bandwidth part (BWP), a first control resource set (CORESET) configured on the first DL BWP, and one or more first search space (SS) sets within the first CORESET;
transmit, to the UE, a configuration for a second DL BWP, a second CORESET configured on the second DL BWP, and one or more second SS sets within the second CORESET;
transmit signaling configuring the UE for physical downlink control channel (PDCCH) monitoring adaptation;
transmit, during discontinuous reception (DRX) cycles, signaling indicating PDCCH monitoring adaptation when performing one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP;
update, based on the signaling indicating PDCCH monitoring adaptation, at least one of SS sets or a CORESET configuration for transmitting PDCCH on at least one of the first DL BWP or the second DL BWP; and
transmit PDCCHs, subject to the PDCCH monitoring adaptation, when participating with the UE in one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP.
8. The apparatus of claim 7 , wherein the signaling indicating PDCCH monitoring adaptation is transmitted via at least one of downlink control information (DCI), medium access control (MAC) control element (CE), radio resource control (RRC) signaling, or a combination thereof.
9. The apparatus of claim 7 , wherein PDCCH monitoring adaptation is activated when the UE, while in idle or inactive mode, switches from the first DL BWP to the second DL BWP or switches from the second DL BWP to the first DL BWP.
10. The apparatus of claim 7 , wherein a total number of PDCCH decoding or channel estimation attempts of the UE within a pre-configured time span on the first DL BWP and the second DL BWP is limited by a pre-configured bound, wherein a configuration of at least one of the time span or the bound depends on at least one of a UE capability, a configuration of the first DL BWP, a configuration of the second DL BWP, a configuration of power saving, or a configuration of coverage enhancement.
11. The apparatus of claim 7 , wherein
the PDCCH monitoring adaptation is configured for the UE based on at least one of: a UE capability indication or UE assistance information (UAI) received from the UE in an UL BWP linked to at least one of the first DL BWP or the second DL BWP.
12. The apparatus of claim 7 , wherein the one or more processors are further configured to, individually or collectively, execute the computer-executable instructions and cause the apparatus to:
receive, from the UE, at least one of a request or UE assistance information (UAI) for PDCCH monitoring adaptation when the UE is performing idle mode or inactive mode procedures in at least one of the first DL BWP or the second DL BWP.
13. The apparatus of claim 12 , wherein the request or UAI is multiplexing with an UL transmission associated with at least one of a random access procedure, measurement reporting, mobile originated data transfer, or mobile terminated data transfer.
14. A method for wireless communication at a user equipment (UE), the method comprising:
receiving, from a network entity, a configuration for a first downlink (DL) bandwidth part (BWP), a first control resource set (CORESET) configured on the first DL BWP, and one or more first search space (SS) sets within the first CORESET;
receiving, from the network entity, a configuration for a second DL BWP, a second CORESET configured on the second DL BWP, and one or more second SS sets within the second CORESET;
receiving signaling configuring the UE for physical downlink control channel (PDCCH) monitoring adaptation;
monitoring, during discontinuous reception (DRX) cycles, for an indication of PDCCH monitoring adaptation when performing one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP;
receiving, as a result of the monitoring, signaling activating PDCCH monitoring adaptation, on at least one of the first DL BWP or the second DL BWP, in accordance with the configuration;
updating, based on the signaling activating PDCCH monitoring adaptation, at least one of PDCCH monitoring periodicity, time offset of a PDCCH monitoring window, duration of the PDCCH monitoring window, time offset of a PDCCH monitoring skipping window, or a duration of the PDCCH monitoring skipping window; and
monitoring for PDCCHs, subject to the PDCCH monitoring adaptation, when performing one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP.
15. The method of claim 14 , wherein the signaling indicating a configuration for PDCCH monitoring adaptation is received via at least one of downlink control information (DCI), medium access control (MAC) control element (CE), radio resource control (RRC) signaling, or a combination thereof.
16. The method of claim 14 , further comprising:
updating, based on the signaling, at least one of SS sets or a CORESET configuration for PDCCH monitoring on at least one of the first DL BWP or the second DL BWP.
17. A method for wireless communication at a network entity, the method comprising:
transmitting, to a user equipment (UE), a configuration for a first downlink (DL) bandwidth part (BWP), a first control resource set (CORESET) configured on the first DL BWP, and one or more first search space (SS) sets within the first CORESET;
transmitting, to the UE, a configuration for a second DL BWP, a second CORESET configured on the second DL BWP, and one or more second SS sets within the second CORESET;
transmitting signaling configuring the UE for physical downlink control channel (PDCCH) monitoring adaptation;
transmitting, during discontinuous reception (DRX) cycles, signaling indicating PDCCH monitoring adaptation when performing one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP;
updating, based on the signaling indicating PDCCH monitoring adaptation, at least one of SS sets or a CORESET configuration for transmitting PDCCH on at least one of the first DL BWP or the second DL BWP; and
transmitting PDCCHs, subject to the PDCCH monitoring adaptation, when participating with the UE in one or more idle mode or inactive mode procedures on at least one of the first DL BWP or the second DL BWP.
18. The method of claim 17 , wherein the signaling indicating PDCCH monitoring adaptation is transmitted via at least one of downlink control information (DCI), medium access control (MAC) control element (CE), radio resource control (RRC) signaling, or a combination thereof.
19. The method of claim 17 , wherein the PDCCH monitoring adaptation is activated when the UE, while in idle or inactive mode, switches from the first DL BWP to the second DL BWP or switches from the second DL BWP to the first DL BWP.