Power savings for reduced capability devices
Certain aspects of the present disclosure provide techniques for power savings for reduced capability devices. A method that may be performed by a user equipment (UE) includes receiving a shared bandwidth part (BWP) configuration and a group common BWP configuration. The group common BWP configuration indicates a group common BWP shared by a group of UEs, including the UE, having one or more common capabilities or a common UE type. The method includes communicating using the group common BWP based on the group common BWP configuration.
1. A method for wireless communications by a user equipment (UE), comprising:
receiving a group common reference signal (RS) configuration, wherein the group common RS configuration indicates one or more group common RSs shared by a group of UEs including the UE, and wherein the one or more group common RSs comprise one or more group common tracking reference signals (TRSs); and
monitoring the one or more group common RSs based on the group common RS configuration.
2. The method of claim 1 , wherein monitoring the one or more group common RSs comprises monitoring the one or more group common RSs in a group common bandwidth part (BWP).
3. The method of claim 1 , wherein the one or more group common RSs comprise one or more group common positioning reference signals (PRSs).
4. The method of claim 1 , wherein the one or more group common RSs comprise one or more group common synchronization signals.
5. The method of claim 1 , wherein the one or more group common RSs comprise one or more group common channel state information reference signals (CSI-RS).
6. The method of claim 1 , wherein the one or more group common RSs comprise one or more group common resynchronization signals (RSSs), one or more group common sequence-based wake up signals (WUSs), or a combination thereof.
7. The method of claim 1 , further comprising:
determining, based on a capability of the UE, whether to monitor the one or more group common RSs,
wherein the monitoring is further based on the determination.
8. The method of claim 1 , further comprising performing one or more intra-frequency measurements on the one or more group common RSs.
9. The method of claim 1 , further comprising performing one or more inter-frequency measurements on the one or more group common RSs.
10. The method of claim 1 , wherein receiving the group common RS configuration comprises receiving the group common RS configuration in system information.
11. The method of claim 1 , wherein receiving the group common RS configuration comprises receiving the group common RS configuration in downlink control information (DCI), a medium access control (MAC) control element (CE), or radio resource control (RRC) signaling.
12. The method of claim 1 , further comprising:
waking up, during an ON duration of a discontinuous reception (DRX) cycle, in response to receiving a first group common RS of the one or more group common RSs; and
performing one or more measurements, during the ON duration, on one or more second group common RSs of the one or more group common RSs,
wherein the one or more measurements include one or more radio resource management (RRM) measurements, one or more radio link monitoring (RLM) measurements, or both the one or more RRM measurements and the one or more RLM measurements.
13. The method of claim 1 , wherein the one or more group common RSs are broadcast or multicast.
14. The method of claim 1 , wherein at least one of the one or more group common RSs is configured with power boosting.
15. The method of claim 1 , wherein the group of UEs comprise reduced capability (RedCap) UEs.
16. A method for wireless communications by a network entity, comprising:
outputting a group common reference signal (RS) configuration, wherein the group common RS configuration indicates one or more group common RSs shared by a group of user equipments (UEs), and wherein the one or more group common RSs comprise one or more group common tracking reference signals (TRSs); and
outputting the one or more group common RSs based on the group common RS configuration.
17. The method of claim 16 , wherein outputting the one or more group common RSs comprises outputting the one or more group common RSs for transmission in a group common bandwidth part (BWP).
18. The method of claim 16 , wherein the one or more group common RSs comprise one or more group common positioning reference signals (PRSs).
19. The method of claim 16 , wherein the one or more group common RSs comprise one or more group common synchronization signals.
20. The method of claim 16 , wherein the one or more group common RSs comprise one or more group common channel state information reference signals (CSI-RS).
21. The method of claim 16 , wherein the one or more group common RSs comprise one or more group common resynchronization signals (RSSs), one or more group common sequence-based wake up signals (WUSs), or a combination thereof.
22. The method of claim 16 , further comprising receiving an intra-frequency measurement report of the one or more group common RSs.
23. The method of claim 16 , further comprising receiving an inter-frequency measurement report of the one or more group common RSs.
24. The method of claim 16 , wherein outputting the group common RS configuration comprises outputting the group common RS configuration for transmission in system information.
25. The method of claim 16 , wherein outputting the group common RS configuration comprises outputting the group common RS configuration for transmission in downlink control information (DCI), a medium access control (MAC) control element (CE), or radio resource control (RRC) signaling.
26. The method of claim 16 , further comprising:
scheduling a first group common RS of the one or more group common RSs to wake up one or more UEs before a first ON duration of a first discontinuous reception (DRX) cycle of a first group of one or more UEs and during a second ON duration of a second DRX cycle of a second group of one or more UEs for measurement by the second group of one or more UEs.
27. The method of claim 16 , wherein outputting the one or more group common RSs comprises outputting the one or more group common RSs for broadcast transmission or multicast transmission.
28. The method of claim 16 , wherein outputting the one or more group common RSs comprises outputting at least one of the one or more group common RSs for transmission with power boosting.
29. A user equipment (UE) configured for wireless communications, comprising:
one or more memories comprising computer-executable instructions; and
one or more processors configured to execute the computer-executable instructions and cause the UE to:
receive a group common reference signal (RS) configuration, wherein the group common RS configuration indicates one or more group common RSs shared by a group of UEs including the UE, and wherein the one or more group common RSs comprise one or more group common tracking reference signals (TRSs); and
monitor the one or more group common RSs based on the group common RS configuration.
30. The UE of claim 29 , wherein, to monitor the one or more group common RSs, the one or more processors are configured to execute the computer-executable instructions and cause the UE to monitor the one or more group common RSs in a group common bandwidth part (BWP).
31. The UE of claim 29 , wherein the one or more group common RSs comprise one or more group common positioning reference signals (PRSs).
32. The UE of claim 29 , wherein the one or more group common RSs comprise one or more group common synchronization signals.
33. The UE of claim 29 , wherein the one or more group common RSs comprise one or more group common channel state information reference signals (CSI-RS).
34. The UE of claim 29 , wherein the one or more group common RSs comprise one or more group common resynchronization signals (RSSs), one or more group common sequence-based wake up signals (WUSs), or a combination thereof.
35. The UE of claim 29 , wherein the one or more processors are configured to execute the computer-executable instructions and cause the UE to:
determine, based on a capability of the UE, whether to monitor the one or more group common RSs; and
monitor the one or more group common RSs based on a determination as to whether to monitor the one or more group common RSs.
36. The UE of claim 29 , wherein the one or more processors are configured to execute the computer-executable instructions and cause the UE to perform one or more intra-frequency measurements on the one or more group common RSs.
37. The UE of claim 29 , wherein the one or more processors are configured to execute the computer-executable instructions and cause the UE to perform one or more inter-frequency measurements on the one or more group common RSs.
38. The UE of claim 29 , wherein to receive the group common RS configuration, the one or more processors are configured to execute the computer-executable instructions and cause the UE to receive the group common RS configuration in system information.
39. The UE of claim 29 , wherein to receive the group common RS configuration, the one or more processors are configured to execute the computer-executable instructions and cause the UE to receive the group common RS configuration in downlink control information (DCI), a medium access control (MAC) control element (CE), or radio resource control (RRC) signaling.
40. The UE of claim 29 , wherein the one or more processors are configured to execute the computer-executable instructions and cause the UE to:
wake up, during an ON duration of a discontinuous reception (DRX) cycle, in response to receiving a first group common RS of the one or more group common RSs; and
perform one or more measurements, during the ON duration, on one or more second group common RSs of the one or more group common RSs,
wherein the one or more measurements include one or more radio resource management (RRM) measurements, one or more radio link monitoring (RLM) measurements, or both the one or more RRM measurements and the one or more RLM measurements.
41. The UE of claim 29 , wherein the one or more group common RSs are broadcast or multicast.
42. The UE of claim 29 , wherein at least one of the one or more group common RSs is configured with power boosting.
43. The UE of claim 29 , wherein the group of UEs comprise reduced capability (RedCap) UEs.
44. A network entity, comprising:
one or more memories comprising computer-executable instructions; and
one or more processors configured to execute the computer-executable instructions and cause the network entity to:
output a group common reference signal (RS) configuration, wherein the group common RS configuration indicates one or more group common RSs shared by a group of user equipments (UEs), and wherein the one or more group common RSs comprise one or more group common tracking reference signals (TRSs); and
output the one or more group common RSs based on the group common RS configuration.
45. The network entity of claim 44 , wherein to output the one or more group common RSs, the one or more processors are configured to execute the computer-executable instructions and cause the UE to output the one or more group common RSs for transmission in a group common bandwidth part (BWP).
46. The network entity of claim 44 , wherein the one or more group common RSs comprise one or more group common positioning reference signals (PRSs).
47. The network entity of claim 44 , wherein the one or more group common RSs comprise one or more group common synchronization signals.
48. The network entity of claim 44 , wherein the one or more group common RSs comprise one or more group common channel state information reference signals (CSI-RS).
49. The network entity of claim 44 , wherein the one or more group common RSs comprise one or more group common resynchronization signals (RSSs), one or more group common sequence-based wake up signals (WUSs), or a combination thereof.
50. The network entity of claim 44 , wherein the one or more processors are configured to execute the computer-executable instructions and cause the UE to receive an intra-frequency measurement report of the one or more group common RSs.
51. The network entity of claim 44 , wherein the one or more processors are configured to execute the computer-executable instructions and cause the UE to receive an inter-frequency measurement report of the one or more group common RSs.
52. The network entity of claim 44 , wherein to output the group common RS configuration, the one or more processors are configured to execute the computer-executable instructions and cause the UE to output the group common RS configuration for transmission in system information.
53. The network entity of claim 44 , wherein to output the group common RS configuration, the one or more processors are configured to execute the computer-executable instructions and cause the UE to output the group common RS configuration for transmission in downlink control information (DCI), a medium access control (MAC) control element (CE), or radio resource control (RRC) signaling.
54. The network entity of claim 44 , wherein the one or more processors are configured to execute the computer-executable instructions and cause the UE to:
schedule a first group common RS of the one or more group common RSs to wake up one or more UEs before a first ON duration of a first discontinuous reception (DRX) cycle of a first group of one or more UEs and during a second ON duration of a second DRX cycle of a second group of one or more UEs for measurement by the second group of one or more UEs.
55. The network entity of claim 44 , wherein to output the one or more group common RSs, the one or more processors are configured to execute the computer-executable instructions and cause the UE to output the one or more group common RSs for broadcast transmission or multicast transmission.
56. The network entity of claim 44 , wherein to output the one or more group common RSs, the one or more processors are configured to execute the computer-executable instructions and cause the UE to output at least one of the one or more group common RSs for transmission with power boosting.