Wireless device-autonomous procedures for missed-wake up signals
A method and wireless device (WD) for autonomous WD wake up are disclosed. According to one embodiment, a wireless device configured to communicate with a network node is provided. The wireless device includes processing circuitry configured to determine that a transmitted wake up signal has been missed before a discontinuous reception (DRX) ON-duration, and perform at least one action during the DRX ON-duration based at least in part on the determination that the wake signal has been missed.
1. A wireless device configured to communicate with a network node, the wireless device comprising:
processing circuitry configured to:
before a discontinuous reception, DRX, ON-duration, determine that a transmitted wake up signal has been missed;
determine that a demodulation reference signal, DMRS, has been detected, the determination that the wake up signal has been missed being based at least in part on the detected DMRS; and
perform at least one action during the DRX ON-duration based at least in part on the determination before the DRX ON-duration that the wake signal has been missed.
2. The wireless device of claim 1 , wherein the processing circuitry is further configured to determine at least one configuration parameter included in the wake up signal that has been missed by the wireless device; and
the at least one action being based at least in part on the at least one configuration parameter.
3. The wireless device of claim 2 , wherein the processing circuitry is further configured to, if the at least one configuration parameter only includes a command to wake up, implement a previously received configuration parameter for monitoring the DRX ON-duration.
4. The wireless device of claim 2 , wherein the at least one configuration parameter corresponds to at least one command related to the missed wake up signal.
5. The wireless device of claim 4 , wherein the at least one configuration parameter includes a plurality of configuration parameters for monitoring the DRX ON-duration; and
the processing circuitry being further configured to select a subset of the plurality of configuration parameters for monitoring the DRX ON-duration, the subset of the plurality of configuration parameters corresponding to one of a default configuration, a configuration based at least in part on previously received configurations and a plurality of configurations.
6. The wireless device of claim 1 , wherein the determination that the wake up signal has been missed is based at least in part on historic traffic data.
7. The wireless device of claim 6 , wherein the determination that the wake up signal has been missed includes analyzing the historic traffic data to determine that traffic data is expected during at least one predefined duration.
8. The wireless device of claim 1 , wherein the determination that the wake up signal has been missed is further based at least in part on a detection of a channel state information reference signal, CSI-RS.
9. The wireless device of claim 1 , wherein the at least one action includes:
determining a channel quality between the network node and the wireless device;
comparing the determined channel quality to a predefined threshold; and
triggering the DRX ON-duration monitoring based at least in part on the comparison, the DRX ON-duration monitoring corresponding to at least one DRX ON-duration associated with the wake up signal that has been missed.
10. The wireless device of claim 1 , wherein the at least one action includes exiting a sleep state and monitoring a physical downlink control channel, PDCCH, search space in a next DRX ON-duration.
11. The wireless device of claim 1 , wherein the determination that the wake up signal has been missed corresponds to determining the wake up signal has been at least one of not detected and not decoded.
12. The wireless device of claim 1 , wherein the processing circuitry is further configured to examine power levels of a plurality of resource elements that are configured to carry the wake up signal that has been missed, the determination that the wake up signal has been missed being based at least in part on the examined power levels of the plurality of resource elements.
13. The wireless device of claim 1 , wherein the processing circuitry is further configured to cause transmission of an indication indicating that a wake up signal was missed and that the wireless device performed DRX ON-duration monitoring associated with the wake up signal that has been missed.
14. The wireless device of claim 13 , wherein the indication is a negative acknowledgment, NACK.
15. The wireless device of claim 1 , wherein the processing circuitry is further configured to determine that a channel quality of a first antenna beam is deteriorated based at least in part on detection of another WUS over a second antenna beam during synchronization signal block, SSB, measurements; and
the determination that the transmitted wake up signal has been missed being based at least in part on the determination of the channel quality of the first antenna beam.
16. A method implemented by a wireless device that is configured to communicate with a network node, the method comprising:
before a discontinuous reception, DRX, ON-duration, determining that a transmitted wake up signal has been missed;
determining that a demodulation reference signal, DMRS, has been detected, the determination that the wake up signal has been missed being based at least in part on the detected DMRS; and
performing at least one action during the DRX ON-duration based at least in part on the determination before the DRX ON-duration that the wake signal has been missed.
17. The method of claim 16 , further comprising determining at least one configuration parameter included in the wake up signal that has been missed by the wireless device; and
the at least one action being based at least in part on the at least one configuration parameter.
18. The method of claim 17 , further comprising, if the at least one configuration parameter only includes a command to wake up, implementing a previously received configuration parameter for monitoring the DRX ON-duration.
19. The method of claim 17 , wherein the at least one configuration parameter corresponds to at least one command related to the missed wake up signal.
20. The method of claim 19 , wherein the at least one configuration parameter includes a plurality of configuration parameters for monitoring the DRX ON-duration; and
the method further comprising selecting a subset of the plurality of configuration parameters for monitoring the DRX ON-duration, the subset of the plurality of configuration parameters corresponding to one of a default configuration, a configuration based at least in part on previously received configurations and a plurality of configurations.
21. The method of claim 16 , wherein the determination that the wake up signal has been missed is based at least in part on historic traffic data.
22. The method of claim 21 , wherein the determination that the wake up signal has been missed includes analyzing the historic traffic data to determine that traffic data is expected during at least one predefined duration.
23. The method of claim 16 , wherein the determination that the wake up signal has been missed is further based at least in part on a detection of a channel state information reference signal, CSI-RS.
24. The method of claim 16 , wherein the at least one action includes:
determining a channel quality between the network node and the wireless device;
comparing the determined channel quality to a predefined threshold; and
triggering the DRX ON-duration monitoring based at least in part on the comparison, the DRX ON-duration monitoring corresponding to at least one DRX ON-duration associated with the wake up signal that has been missed.
25. The method of claim 16 , wherein the at least one action includes exiting a sleep state and monitoring a physical downlink control channel, PDCCH, search space in a next DRX ON-duration.
26. The method of claim 16 , wherein the determination that the wake up signal has been missed corresponds to determining the wake up signal has been at least one of not detected and not decoded.
27. The method of claim 16 , further comprising examining power levels of a plurality of resource elements that are configured to carry the wake up signal that has been missed, the determination that the wake up signal has been missed being based at least in part on the examined power levels of the plurality of resource elements.
28. The method of claim 16 , further comprising causing transmission of an indication indicating that a wake up signal was missed and that the wireless device performed DRX ON-duration monitoring associated with the wake up signal that has been missed.
29. The method of claim 28 , wherein the indication is a negative acknowledgment, NACK.
30. The method of claim 16 , further comprising determining that a channel quality of a first antenna beam is deteriorated based at least in part on detection of another WUS over a second antenna beam during synchronization signal block, SSB, measurements; and
the determination that the transmitted wake up signal has been missed being based at least in part on the determination of the channel quality of the first antenna beam.
31. A non-transitory computer readable medium comprising instructions which, when executed by a processor, cause the processor to:
before a discontinuous reception, DRX, ON-duration, determine that a transmitted wake up signal has been missed;
determine that a demodulation reference signal, DMRS, has been detected, the determination that the wake up signal has been missed being based at least in part on the detected DMRS; and
perform at least one action during the DRX ON-duration based at least in part on the determination before the DRX ON-duration that the wake signal has been missed.