Beam failure recovery procedure in dormant state
A base station determines that a first reference signal configured for a beam failure detection overlaps in at least one symbol with a second reference signal. Based on the first reference signal and the second reference signal not being quasi co-located, the base station transmits one of the first reference signal and the second reference signal, and drops transmission of one of the first reference signal and the second reference signal.
1. A method comprising:
determining, by a wireless device, that a first channel state information reference signal (CSI-RS) configured for a beam failure detection overlaps in at least one symbol with a second CSI-RS; and
based on the determining and the first CSI-RS and the second CSI-RS not being quasi co-located (QCL-ed) with a QCL-TypeD parameter:
measuring one of:
the first CSI-RS; and
the second CSI-RS; and
skipping measuring of one of:
the first CSI-RS; and
the second CSI-RS.
2. The method of claim 1 , wherein, based on the first CSI-RS being configured for the beam failure detection, the measuring and the skipping measuring comprise:
measuring the first CSI-RS; and
skipping measuring of the second CSI-RS.
3. The method of claim 1 , wherein the first CSI-RS has a higher priority than the second CSI-RS.
4. The method of claim 1 , further comprising receiving, by the wireless device, one or more configuration parameters indicating, for the beam failure detection, a first set of CSI-RS resources comprising the first CSI-RS.
5. The method of claim 1 , wherein the first CSI-RS is for a first cell.
6. The method of claim 5 , wherein the second CSI-RS is for the first cell or a second cell.
7. The method of claim 1 , wherein the first CSI-RS has a first QCL type and the second CSI-RS has a second QCL type different from the first QCL type.
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 that a first CSI-RS configured for a beam failure detection overlaps in at least one symbol with a second CSI-RS; and
based on the determining and the first CSI-RS and the second CSI-RS not being quasi co-located (QCL-ed) with a QCL-TypeD parameter:
measure one of:
the first CSI-RS; and
the second CSI-RS; and
skip measuring of one of:
the first CSI-RS; and
the second CSI-RS.
9. The wireless device of claim 8 , wherein, based on the first CSI-RS being configured for the beam failure detection, the measuring and the skipping measuring comprise:
measuring the first CSI-RS; and
skipping measuring of the second CSI-RS.
10. The wireless device of claim 8 , wherein the first CSI-RS has a higher priority than the second CSI-RS.
11. The wireless device of claim 8 , wherein the instructions further cause the wireless device to receive one or more configuration parameters indicating, for the beam failure detection, a first set of CSI-RS resources comprising the first CSI-RS.
12. The wireless device of claim 8 , wherein the first CSI-RS is for a first cell.
13. The wireless device of claim 12 , wherein the second CSI-RS is for the first cell or a second cell.
14. The wireless device of claim 8 , wherein the first CSI-RS has a first QCL type and the second CSI-RS has a second QCL type different from the first QCL type.
15. A non-transitory computer-readable medium comprising instructions that, when executed by one or more processors of a wireless device, cause the wireless device to:
determine that a first CSI-RS configured for a beam failure detection overlaps in at least one symbol with a second CSI-RS; and
based on the determining and the first CSI-RS and the second CSI-RS not being quasi co-located (QCL-ed) with a QCL-TypeD parameter:
measure one of:
the first CSI-RS; and
the second CSI-RS; and
skip measuring of one of:
the first CSI-RS; and
the second CSI-RS.
16. The non-transitory computer-readable medium of claim 15 , wherein, based on the first CSI-RS being configured for the beam failure detection, the measuring and the skipping measuring comprise:
measuring the first CSI-RS; and
skipping measuring of the second CSI-RS.
17. The non-transitory computer-readable medium of claim 15 , wherein the first CSI-RS has a higher priority than the second CSI-RS.
18. The non-transitory computer-readable medium of claim 15 , wherein the instructions further cause the wireless device to receive one or more configuration parameters indicating, for the beam failure detection, a first set of CSI-RS resources comprising the first CSI-RS.
19. The non-transitory computer-readable medium of claim 15 , wherein:
the first CSI-RS is for a first cell; and
the second CSI-RS is for the first cell or a second cell.
20. The non-transitory computer-readable medium of claim 15 , wherein the first CSI-RS has a first QCL type and the second CSI-RS has a second QCL type different from the first QCL type.