Failure detection and recovery for multiple active resources
Wireless communications using multiple active resources (e.g., bandwidth parts (BWPs)) are described. A wireless device may perform failure event detection, such as radio link monitoring (RLM) and/or beam failure detection (BFD), jointly or separately for multiple active resources (e.g., BWPs) based on one or more criteria.
1. A method comprising:
determining, by a wireless device, a first active bandwidth (BWP), of at least two active BWPs of a cell, for radio link monitoring, wherein the determining is based on a first downlink control channel configuration of the first active BWP;
measuring, during a time period that the first active BWP and at least one other BWP of the cell are active, one or more reference signals associated with the first active BWP;
determining, based on the measuring, a radio link failure for the cell; and
sending, based on the radio link failure for the cell, at least one message associated with connection re-establishment.
2. The method of claim 1 , wherein the determining the first active BWP is further based on at least one of:
a second downlink control channel configuration of a second active BWP of the cell;
a first radio interface type on the first active BWP; or
a second radio interface type on the second active BWP.
3. The method of claim 1 , wherein the first downlink control channel configuration of the first BWP and a second downlink control channel configuration of the at least one other active BWP comprise at least one of:
a BWP index;
a numerology index;
a service type;
a radio link monitoring reference signal configuration;
a reference signal for radio link monitoring;
a downlink control channel resource; or
a common search space set for downlink channel monitoring.
4. The method of claim 1 , wherein the at least one message associated with connection re-establishment comprises at least one of:
a preamble associated with a random access procedure;
a RRC connection message;
a RRC reconnection message; or
a handover request.
5. The method of claim 1 , wherein the one or more reference signals associated with the first active BWP comprise at least one of:
a synchronization signal block; or
a channel state information reference signal.
6. The method of claim 1 , further comprising:
monitoring a first downlink control channel on the first active BWP for first downlink control information indicating resource allocation of the first active BWP.
7. The method of claim 1 , wherein the determining the radio link failure for the cell comprises at least one of:
determining that a radio link quality of the cell for a second time period satisfies a first threshold associated with a block error rate; or
determining a radio link failure event based on a quantity of at least one indication satisfying a second threshold.
8. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
determine a first active bandwidth (BWP), of at least two active BWPs of a cell, for radio link monitoring, wherein determining is based on a first downlink control channel configuration of the first active BWP;
measure, during a time period that the first active BWP and at least one other BWP of the cell are active, one or more reference signals associated with the first active BWP;
determine, based on measuring, a radio link failure for the cell; and
send, based on the radio link failure for the cell, at least one message associated with connection re-establishment.
9. The wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
determine the first active BWP for radio link monitoring by determining the first active BWP further based on at least one of:
a second downlink control channel configuration of a second active BWP of the cell;
a first radio interface type on the first active BWP; or
a second radio interface type on the second active BWP.
10. The wireless device of claim 8 , wherein the first downlink control channel configuration of the first BWP and a second downlink control channel configuration of the at least one other active BWP comprise at least one of:
a BWP index;
a numerology index;
a service type;
a radio link monitoring reference signal configuration;
a reference signal for radio link monitoring;
a downlink control channel resource; or
a common search space set for downlink channel monitoring.
11. The wireless device of claim 8 , wherein the at least one message associated with connection re-establishment comprises at least one of:
a preamble associated with a random access procedure;
a RRC connection message;
a RRC reconnection message; or
a handover request.
12. The wireless device of claim 8 , wherein the one or more reference signals associated with the first active BWP comprise at least one of:
a synchronization signal block; or
a channel state information reference signal.
13. The wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
monitor a first downlink control channel on the first active BWP for first downlink control information indicating resource allocation of the first active BWP.
14. The wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
determine the radio link failure for the cell by determining the radio link failure based on at least one of:
determining that a radio link quality of the cell for a second time period satisfies a first threshold associated with a block error rate; or
determining a radio link failure event based on a quantity of at least one indication satisfying a second threshold.
15. A method comprising:
determining, by a wireless device, a first active bandwidth part (BWP), of at least two active BWPs of a cell, for radio link monitoring, wherein the determining is based on a radio interface type associated with the first active BWP;
measuring, during a time period that the first active BWP and at least one other BWP are active, one or more reference signals associated with the first active BWP;
determining, based on the measuring, a radio link failure for the cell; and
sending, based on the radio link failure for the cell, at least one message associated with connection re-establishment.
16. The method of claim 15 , wherein the radio interface type associated with the first active BWP comprises at least one of:
an Uu radio interface; or
a sidelink radio interface.
17. The method of claim 15 , further comprising:
activating the first active BWP during a first time interval; and
activating the at least one other BWP during a second time interval that at least partially overlaps with the first time interval.
18. The method of claim 15 , wherein the at least one message associated with connection re-establishment comprises at least one of:
a preamble associated with a random access procedure;
a RRC connection message;
a RRC reconnection message; or
a handover request.
19. The method of claim 15 , wherein the one or more reference signals associated with the first active BWP comprise at least one of:
a synchronization signal block; or
a channel state information reference signal.
20. The method of claim 15 , wherein the determining the radio link failure for the cell comprises at least one of:
determining that a radio link quality of the cell for a second time period satisfies a first threshold associated with a block error rate; or
determining a radio link failure event based on a quantity of at least one indication satisfying a second threshold.
21. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
determine a first active bandwidth part (BWP), of at least two active BWPs of a cell, for radio link monitoring, wherein the determining is based on a radio interface type associated with the first active BWP;
measure, during a time period that the first active BWP and at least one other BWP are active, one or more reference signals associated with the first active BWP;
determine, based on the measuring, a radio link failure for the cell; and
send, based on the radio link failure for the cell, at least one message associated with connection re-establishment.
22. The wireless device of claim 21 , wherein the radio interface type associated with the first active BWP comprises at least one of:
an Uu radio interface; or
a sidelink radio interface.
23. The wireless device of claim 21 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
activate the first active BWP during a first time interval; and
activate the at least one other BWP during a second time interval that at least partially overlaps with the first time interval.
24. The wireless device of claim 21 , wherein the at least one message associated with connection re-establishment comprises at least one of:
a preamble associated with a random access procedure;
a RRC connection message;
a RRC reconnection message; or
a handover request.
25. The wireless device of claim 21 , wherein the one or more reference signals associated with the first active BWP comprise at least one of:
a synchronization signal block; or
a channel state information reference signal.
26. The wireless device of claim 21 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
determine the radio link failure for the cell based on at least one of:
determining that a radio link quality of the cell for a second time period satisfies a first threshold associated with a block error rate; or
determining a radio link failure event based on a quantity of at least one indication satisfying a second threshold.
27. A non-transitory computer-readable medium comprising instructions that, when executed, configure a wireless device to:
determine a first active bandwidth (BWP), of at least two active BWPs of a cell, for radio link monitoring, wherein determining is based on a first downlink control channel configuration of the first active BWP;
measure, during a time period that the first active BWP and at least one other BWP of the cell are active, one or more reference signals associated with the first active BWP;
determine, based on measuring, a radio link failure for the cell; and
send, based on the radio link failure for the cell, at least one message associated with connection re-establishment.
28. The non-transitory computer-readable medium of claim 27 , wherein the instructions, when executed, configure the wireless device to:
determine the first active BWP for radio link monitoring by determining the first active BWP further based on at least one of:
a second downlink control channel configuration of a second active BWP of the cell;
a first radio interface type on the first active BWP; or
a second radio interface type on the second active BWP.
29. The non-transitory computer-readable medium of claim 27 , wherein the first downlink control channel configuration of the first BWP and a second downlink control channel configuration of the at least one other active BWP comprise at least one of:
a BWP index;
a numerology index;
a service type;
a radio link monitoring reference signal configuration;
a reference signal for radio link monitoring;
a downlink control channel resource; or
a common search space set for downlink channel monitoring.
30. The non-transitory computer-readable medium of claim 27 , wherein the at least one message associated with connection re-establishment comprises at least one of:
a preamble associated with a random access procedure;
a RRC connection message;
a RRC reconnection message; or
a handover request.
31. The non-transitory computer-readable medium of claim 27 , wherein the one or more reference signals associated with the first active BWP comprise at least one of:
a synchronization signal block; or
a channel state information reference signal.
32. The non-transitory computer-readable medium of claim 27 , wherein the instructions, when executed, configure the wireless device to:
monitor a first downlink control channel on the first active BWP for first downlink control information indicating resource allocation of the first active BWP.
33. The non-transitory computer-readable medium of claim 27 , wherein the instructions, when executed, configure the wireless device to:
determine the radio link failure for the cell by determining the radio link failure based on at least one of:
determining that a radio link quality of the cell for a second time period satisfies a first threshold associated with a block error rate; or
determining a radio link failure event based on a quantity of at least one indication satisfying a second threshold.
34. A non-transitory computer-readable medium comprising instructions that, when executed, configure a wireless device to:
determine a first active bandwidth part (BWP), of at least two active BWPs of a cell, for radio link monitoring, wherein the determining is based on a radio interface type associated with the first active BWP;
measure, during a time period that the first active BWP and at least one other BWP are active, one or more reference signals associated with the first active BWP;
determine, based on the measuring, a radio link failure for the cell; and
send, based on the radio link failure for the cell, at least one message associated with connection re-establishment.
35. The non-transitory computer-readable medium of claim 34 , wherein the radio interface type associated with the first active BWP comprises at least one of:
an Uu radio interface; or
a sidelink radio interface.
36. The non-transitory computer-readable medium of claim 34 , wherein the instructions, when executed, configure the wireless device to:
activate the first active BWP during a first time interval; and
activate the at least one other BWP during a second time interval that at least partially overlaps with the first time interval.
37. The non-transitory computer-readable medium of claim 34 , wherein the at least one message associated with connection re-establishment comprises at least one of:
a preamble associated with a random access procedure;
a RRC connection message;
a RRC reconnection message; or
a handover request.
38. The non-transitory computer-readable medium of claim 34 , wherein the one or more reference signals associated with the first active BWP comprise at least one of:
a synchronization signal block; or
a channel state information reference signal.
39. The non-transitory computer-readable medium of claim 34 , wherein the instructions, when executed, configure the wireless device to:
determine the radio link failure for the cell based on at least one of:
determining that a radio link quality of the cell for a second time period satisfies a first threshold associated with a block error rate; or
determining a radio link failure event based on a quantity of at least one indication satisfying a second threshold.