Leveraging wake-up signals and discontinuous reception cycles for assisted antenna calibration
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may monitor a wake-up signal (WUS) occasion based at least in part on a discontinuous reception cycle activation duration timer; and receive a reference signal (RS) during the WUS occasion, wherein the RS is to facilitate a UE-assisted calibration of at least one antenna element on at least one panel associated with a base station or a base station-assisted calibration of at least one antenna element on at least one panel associated with the UE. Numerous other aspects are provided.
1. A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors, coupled to the memory, configured to:
receive configuration information associated with a multiplexing scheme corresponding to a wake-up signal (WUS) and a reference signal (RS);
monitor a WUS occasion based at least in part on a discontinuous reception (DRX) cycle activation duration timer and the configuration information;
receive the RS during the WUS occasion, wherein the RS is to facilitate a UE-assisted calibration of at least one antenna element on at least one panel associated with a network node or a network node-assisted calibration of at least one antenna element on at least one panel associated with the UE; and
perform, during the WUS occasion, a calibration measurement based at least in part on the RS.
2. The UE of claim 1 , wherein the one or more processors are further configured to detect a WUS associated with the WUS occasion, wherein the RS is multiplexed with the WUS.
3. The UE of claim 2 , wherein the RS is multiplexed with the WUS in a frequency domain.
4. The UE of claim 1 , wherein the one or more processors are further configured to transmit, to the network node, a calibration measurement report based at least in part on the calibration measurement.
5. The UE of claim 4 , wherein the one or more processors, to transmit the calibration measurement report, are configured to transmit the calibration measurement report based at least in part on the UE entering an awake state.
6. The UE of claim 4 , wherein the calibration measurement report indicates at least one calibration measurement based at least in part on the RS, wherein the at least one calibration measurement is to facilitate the UE-assisted calibration.
7. The UE of claim 1 , wherein the one or more processors are further configured to transmit, to the network node, an indication that one or more calibration steps have been performed by the UE to facilitate the network node-assisted calibration of the at least one antenna element on the at least one panel associated with the UE,
wherein the one or more processors, to transmit the indication, are configured to transmit the indication based at least in part on the UE entering an awake state.
8. The UE of claim 1 , wherein the one or more processors are further configured to transmit, to the network node, at least one of:
an additional RS, wherein the additional RS is to facilitate the network node-assisted calibration,
a calibration measurement report that indicates an occurrence of one or more calibration measurements performed by the UE, or
a combination thereof.
9. The UE of claim 1 , wherein the configuration information is further associated with at least one of:
the RS,
the DRX cycle activation timer,
a DRX cycle periodicity, or
a combination thereof.
10. A network node for wireless communication, comprising:
a memory; and
one or more processors, coupled to the memory, configured to:
transmit, to a user equipment (UE), configuration information associated with a multiplexing scheme corresponding to a wake-up signal (WUS) and a reference signal (RS);
transmit, to the UE and based at least in part on transmitting the configuration information, the RS during WUS occasion, wherein the RS is to facilitate a UE-assisted calibration of at least one antenna element on at least one panel associated with a network node or a network node-assisted calibration of at least one antenna element on at least one panel associated with the UE; and
receive, from the UE and based at least in part on the UE entering an awake state, at least one of:
a calibration measurement report that indicates at least one calibration measurement, wherein the at least one calibration measurement is based at least in part on the RS, or
an indication that one or more calibration steps have been performed by the UE to facilitate the network node-assisted calibration of the at least one antenna element on the at least one panel associated with the UE.
11. The network node of claim 10 , wherein the one or more processors, to transmit the RS during the WUS occasion, are configured to multiplex the RS with a WUS associated with the WUS occasion.
12. The network node of claim 11 , wherein the one or more processors, to multiplex the RS with the WUS, are configured to multiplex the RS with the WUS in a frequency domain.
13. The network node of claim 10 , wherein the at least one calibration measurement is to facilitate the UE-assisted calibration.
14. The network node of claim 13 , wherein the calibration measurement report is received based at least in part on the UE entering the awake state.
15. The network node of claim 10 , wherein the indication is received based at least in part on the UE entering the awake state.
16. The network node of claim 10 , wherein the one or more processors are further configured to receive, from the UE, at least one of:
an additional RS, wherein the additional RS is to facilitate the network node-assisted calibration,
the calibration measurement report, or
a combination thereof.
17. The network node of claim 10 , wherein the configuration information is further associated with at least one of:
the RS,
a discontinuous reception (DRX) cycle activation timer,
a DRX cycle periodicity, or
a combination thereof.
18. The network node of claim 17 , wherein the one or more processors are further configured to transmit, to at least one additional UE, at least one additional configuration of:
at least one additional RS,
at least one additional DRX cycle activation timer,
at least one additional multiplexing scheme corresponding to at least one additional WUS and the at least one additional RS,
at least one additional DRX cycle periodicity, or
a combination thereof.
19. The network node of claim 18 , wherein the UE and the at least one additional UE are associated with a serving cell provided by the network node.
20. A method of wireless communication performed by a user equipment (UE), comprising:
receiving configuration information associated with a multiplexing scheme corresponding to a wake-up signal (WUS) and a reference signal (RS);
monitoring a WUS occasion based at least in part on a discontinuous reception (DRX) cycle activation duration timer and the configuration information;
receiving the RS during the WUS occasion, wherein the RS is to facilitate a UE-assisted calibration of at least one antenna element on at least one panel associated with a network node or a network node-assisted calibration of at least one antenna element on at least one panel associated with the UE; and
performing, during the WUS occasion, a calibration measurement based at least in part on the RS.
21. The method of claim 20 , further comprising detecting a WUS associated with the WUS occasion, wherein the RS is multiplexed with the WUS.
22. The method of claim 21 , wherein the RS is multiplexed with the WUS in a frequency domain.
23. The method of claim 20 , further comprising transmitting, to the network node, an indication that one or more calibration steps have been performed by the UE to facilitate the network node-assisted calibration of the at least one antenna element on the at least one panel associated with the UE,
wherein transmitting the indication comprises transmitting the indication based at least in part on the UE entering an awake state.
24. The method of claim 20 , further comprising transmitting, to the network node, at least one of:
an additional RS, wherein the additional RS is to facilitate the network node-assisted calibration,
a calibration measurement report that indicates an occurrence of one or more calibration measurements performed by the UE, or
a combination thereof.
25. The method of claim 20 , wherein the configuration information is further associated with at least one of:
the RS,
the DRX cycle activation timer,
a DRX cycle periodicity, or
a combination thereof.
26. The method of claim 20 , further comprising transmitting, to the network node, a calibration measurement report based at least in part on the calibration measurement.
27. A method of wireless communication performed by a network node, comprising:
transmitting, to a user equipment (UE), configuration information associated with a multiplexing scheme corresponding to a wake-up signal (WUS) and a reference signal (RS);
transmitting, to the UE and based at least in part on transmitting the configuration information, the RS during a WUS occasion, wherein the RS is to facilitate a UE-assisted calibration of at least one antenna element on at least one panel associated with a network node or a network node-assisted calibration of at least one antenna element on at least one panel associated with the UE; and
receiving, from the UE and based at least in part on the UE entering an awake state, at least one of:
a calibration measurement report that indicates at least one calibration measurement, wherein the at least one calibration measurement is based at least in part on the RS, or
an indication that one or more calibration steps have been performed by the UE to facilitate the network node-assisted calibration of the at least one antenna element on the at least one panel associated with the UE.
28. The method of claim 27 , wherein transmitting the RS during the WUS occasion comprises multiplexing the RS with a WUS associated with the WUS occasion.
29. The method of claim 27 , wherein multiplexing the RS with the WUS comprises multiplexing the RS with the WUS in a frequency domain.
30. The method of claim 27 , further comprising receiving, from the UE, at least one of:
an additional RS, wherein the additional RS is to facilitate the network node-assisted calibration,
the calibration measurement report, or
a combination thereof.