Paging early indication
A base station may transmit a paging early indication (PEI) indicating whether the user equipment (UE) has a paging message for reception associated with each paging occasion (PO) of a set of POs including a plurality of POs, and transmit paging messages associated with the POs of the set of POs based on the PEI transmitted for the UE. The base station may transmit system information including PEI parameters. The UE may receive the PEI parameters and receive the PEI indicating whether the UE has a paging message for reception associated with each PO of a set of POs based on the PEI parameters, determining whether to monitor the POs of the set of POs based on the received PEI, and monitor or skipping monitoring the POs of the set of POs based on the determination of whether to monitor each PO of the set of POs.
1. An apparatus for wireless communication at a user equipment (UE), comprising:
memory; and
at least one processor coupled to the memory and configured to:
receive, from a base station, a first paging early indication (PEI) indicating whether the UE monitors a first paging message for reception associated with each paging occasion (PO) of a first set of POs, the first set of POs including a first plurality of POs, wherein the first PEI includes a bitmap, at least one bit of the bitmap indicating whether the UE monitors corresponding PO of the first set of POs for the first paging message, wherein the corresponding PO is for the UE or a UE group associated with the UE;
determine whether to monitor the each PO of the first set of POs based on the received first PEI; and
monitor at least one PO that the bitmap indicates to be associated with the first paging message for the UE or skip monitoring one or more POs of the first set of POs that the bitmap indicates to be not associated with the first paging message for the UE.
2. The apparatus of claim 1 , further comprising a transceiver coupled to the at least one processor, and
wherein the at least one processor is configured to receive, from the base station, a second PEI subsequent to the first PEI indicating whether the UE has a second paging message for reception associated with each PO of a second set of POs, the second set of POs including a second plurality of POs.
3. The apparatus of claim 2 , wherein the first set of POs and the second set of POs includes a common subset of POs.
4. The apparatus of claim 3 , wherein, to determine whether to monitor each PO of the first set of POs, the at least one processor is further configured to determine at least one of the first PEI or the second PEI to decode to determine whether to monitor each PO of the common subset of POs of the first set of POs.
5. The apparatus of claim 1 , wherein the at least one processor is further configured to receive system information indicating a number M that represents a number of POs in the first set of POs, and a number N that represents a PEI periodicity in which PEIs are received every N POs, and
wherein to receive the first PEI, the at least one processor is configured to receive the first PEI based on the received system information.
6. The apparatus of claim 5 , wherein the number M that represents the number of POs in the first set of POs is equal to the number N that represents the PEI periodicity.
7. The apparatus of claim 5 , wherein M is a multiple of N and a number M/N corresponds to a number of PEIs that include a same information associated with each PO of the first set of POs.
8. The apparatus of claim 5 , wherein the system information further indicates a number K that represents a PO offset from each PEI and the first PO associated with each PEI.
9. The apparatus of claim 1 , wherein at least one first bit of the bitmap indicates that the corresponding PO of the first set of POs is not associated with the first PEI.
10. An apparatus of wireless communication at a base station, comprising:
memory; and
at least one processor coupled to the memory and configured to:
transmit, for a user equipment (UE), a first paging early indication (PEI) indicating whether the UE monitors a first paging message for reception associated with each paging occasion (PO) of a first set of POs, the first set of POs including a first plurality of POs, wherein the first PEI includes a bitmap, at least one bit of the bitmap indicating whether the UE monitors corresponding PO of the first set of POs for the first paging message, wherein the corresponding PO is for the UE or a UE group associated with the UE; and
transmit, for the UE or the UE group associated with the UE, one or more paging messages in each PO of the first set of POs that the bitmap indicates to be associated with the first paging message for the UE or the UE group associated with the UE in the PO and refrain from transmitting one or more POs that the bitmap indicates to be not associated with the first paging message for the UE, the one or more paging messages being associated with the each PO of the first set of POs based on the first PEI transmitted for the UE, the one or more paging messages including the first paging message.
11. The apparatus of claim 10 , further comprising a transceiver coupled to the at least one processor, and
wherein the at least one processor is configured to transmit, for the UE, a second PEI subsequent to the first PEI indicating whether the UE has a second paging message for reception associated with each PO of a second set of POs, the second set of POs including a second plurality of POs.
12. The apparatus of claim 11 , wherein the first set of POs and the second set of POs including a common subset of POs.
13. The apparatus of claim 10 , wherein the at least one processor is further configured to transmit system information indicating a number M that represents a number of POs in the first set of POs, and a number N that represents a PEI periodicity in which PEIs are received every N POs, and
wherein to transmit the first PEI, the at least one processor is configured to transmit the first PEI based on the system information transmitted for the UE.
14. The apparatus of claim 13 , wherein the number M that represents the number of POs in the first set of POs is equal to the number N that represents the PEI periodicity.
15. The apparatus of claim 13 , wherein M is a multiple of N and a number M/N corresponds to a number of PEIs that include a same information associated with each PO of the first set of POs.
16. The apparatus of claim 13 , wherein the system information further indicates a number K that represents a PO offset from each PEI and the first PO associated with each PEI.
17. The apparatus of claim 10 , wherein at least one first bit of the bitmap indicates that the corresponding PO of the first set of POs is not associated with the first PEI.
18. A method of wireless communication at a user equipment (UE), comprising:
receiving, from a base station, a first paging early indication (PEI) indicating whether the UE monitors a first paging message for reception associated with each paging occasion (PO) of a first set of POs, the first set of POs including a first plurality of POs, wherein the first PEI includes a bitmap, at least one bit of the bitmap indicating whether the UE monitors corresponding PO of the first set of POs for the first paging message, wherein the corresponding PO is for the UE or a UE group associated with the UE;
determining whether to monitor the each PO of the first set of POs based on the received first PEI; and
monitoring at least one PO that the bitmap indicates to be associated with the first paging message for the UE or skip monitoring one or more POs of the first set of POs that the bitmap indicates to be not associated with the first paging message for the UE.
19. The method of claim 18 , further comprising receiving, from the base station, a second PEI subsequent to the first PEI indicating whether the UE has a second paging message for reception associated with each PO of a second set of POs, the second set of POs including a second plurality of POs.
20. The method of claim 18 , further comprising receiving system information indicating a number M that represents a number of POs in the first set of POs, and a number N that represents a PEI periodicity in which PEIs are received every N POs, wherein the first PEI is received based on the received system information.
21. The method of claim 20 , wherein the number M that represents the number of POs in the first set of POs is equal to the number N associated with the PEI periodicity.
22. The method of claim 20 , wherein the system information further indicates a number K that represents a PO offset from each PEI and the first PO associated with each PEI.
23. A method of wireless communication at a base station, comprising:
transmitting, for a user equipment (UE), a first paging early indication (PEI) indicating whether the UE monitors a first paging message for reception associated with each paging occasion (PO) of a first set of POs, the first set of POs including a first plurality of POs, wherein the first PEI includes a bitmap, at least one bit of the bitmap indicating whether the UE monitors corresponding PO of the first set of POs for the first paging message, wherein the corresponding PO is for the UE or a UE group associated with the UE; and
transmitting, for the UE or the UE group associated with the UE, one or more paging messages in each PO of the first set of POs that the bitmap indicates to be associated with the first paging message for the UE or the UE group associated with the UE in the PO and refraining from transmitting one or more POs that the bitmap indicates to be not associated with the first paging message for the UE, the one or more paging messages being associated with the each PO of the first set of POs based on the first PEI transmitted for the UE, the one or more paging messages including the first paging message.
24. The method of claim 23 , further comprising transmitting, for the UE, a second PEI subsequent to the first PEI indicating whether the UE has a second paging message for reception associated with each PO of a second set of POs, the second set of POs including a second plurality of POs.
25. The method of claim 23 , further comprising transmitting system information indicating a number M that represents a number of POs in the first set of POs, and a number N that represents a PEI periodicity in which PEIs are received every N POs,
wherein the first PEI is transmitted based on the system information transmitted for the UE.
26. The method of claim 25 , wherein the number M that represents the number of POs in the first set of POs is equal to the number N that represents the PEI periodicity.