PDCCH monitoring periodicity
According to some embodiments, a method in a network node for configuring monitoring occasions for use in a network node of a wireless communication network comprises determining a physical downlink control channel (PDCCH) search space monitoring configuration for a wireless device. The PDCCH search space monitoring configuration comprises a monitoring periodicity and a number of blind decodes for each search space of a plurality of search spaces over a plurality of slots. The method further comprises sending the monitoring configuration to the wireless device. A method in a wireless device comprises receiving the monitoring configuration and monitoring each search space according to the monitoring configuration.
1. A method of configuring monitoring occasions for use in a network node of a wireless communication network, the method comprising:
determining a physical downlink control channel (PDCCH) search space monitoring configuration for a wireless device, the PDCCH search space monitoring configuration comprising a monitoring periodicity and a number of blind decodes for each search space of a plurality of search spaces over a plurality of slots, wherein for each search space the monitoring periodicity refers to a pattern of slots for which the wireless device will monitor the search space for a signal, and the number of blind decodes refers to a number of blind decodes available for the search space at a particular slot, and wherein the monitoring periodicity of at least two search spaces overlap in at least one slot such that the wireless device is configured to monitor at least two search spaces in the at least one slot; and
sending the PDCCH search space monitoring configuration to the wireless device.
2. The method of claim 1 , wherein a total number of blind decodes to be performed in each slot of the plurality of slots is equivalent for all slots.
3. The method of claim 1 , wherein the number of blind decodes for each search space is equivalent for all slots.
4. The method of claim 1 , wherein the number of blind decodes for each search space varies among slots.
5. The method of claim 1 , wherein the number of blind decodes for each search space in a slot is equivalent for all search spaces in the slot.
6. A network node capable of configuring monitoring occasions in a wireless communication network, the network node comprising:
processing circuitry coupled to a memory;
the memory comprising instructions that when executed by the processing circuitry are operable to:
determine a physical downlink control channel (PDCCH) search space monitoring configuration for a wireless device, the PDCCH search space monitoring configuration comprising a monitoring periodicity and a number of blind decodes for each search space of a plurality of search spaces over a plurality of slots, wherein for each search space the monitoring periodicity refers to a pattern of slots for which the wireless device will monitor the search space for a signal, and the number of blind decodes refers to a number of blind decodes available for the search space at a particular slot, and wherein the monitoring periodicity of at least two search spaces overlap in at least one slot such that the wireless device is configured to monitor at least two search spaces in the at least one slot; and
send the PDCCH search space monitoring configuration to the wireless device.
7. The network node of claim 6 , wherein a total number of blind decodes to be performed in each slot of the plurality of slots is equivalent for all slots.
8. The network node of claim 6 , wherein the number of blind decodes for each search space is equivalent for all slots.
9. The network node of claim 6 , wherein the number of blind decodes for each search space varies among slots.
10. The network node of claim 6 , wherein the number of blind decodes for each search space in a slot varies among search spaces in the slot.
11. A method of monitoring signals for use in a wireless device, the method comprising:
receiving a physical downlink control channel (PDCCH) search space monitoring configuration from a network node, the PDCCH search space monitoring configuration comprising a monitoring periodicity and a number of blind decodes for each search space of a plurality of search spaces over a plurality of slots, wherein for each search space the monitoring periodicity refers to a pattern of slots for which the wireless device will monitor the search space for a signal, and the number of blind decodes refers to a number of blind decodes available for the search space at a particular slot, and wherein the monitoring periodicity of at least two search spaces overlap in at least one slot such that the wireless device is configured to monitor at least two search spaces in the at least one slot; and
monitoring each search space according to the monitoring periodicity and the number of blind decodes.
12. The method of claim 11 , wherein a total number of blind decodes to be performed in each slot of the plurality of slots is equivalent for all slots.
13. The method of claim 11 , wherein the number of blind decodes for each search space is equivalent for all slots.
14. The method of claim 11 , wherein the number of blind decodes for each search space varies among slots.
15. The method of claim 11 , wherein the number of blind decodes for each search space in a slot is equivalent for all search spaces in the slot.
16. The method of claim 11 , wherein the number of blind decodes for each search space in a slot varies among search spaces in the slot.
17. The method of claim 11 , wherein the total number of blind decodes to be performed in a slot of the plurality of slots exceeds a total number of blind decodes that the wireless device is capable of performing in the slot; and
the method further comprises limiting a number of blind decodes to be performed in one more search spaces so that the total number of blind decodes in each slot is less than or equal to the total number of blind decodes that the wireless device is capable of performing in the slot.
18. The method of claim 17 , wherein limiting the number of blind decodes is based on preconfigured rules for prioritizing a first search space over a second search space.
19. The method of claim 17 , wherein the PDCCH search space monitoring configuration further comprises an indication whether a search space may be monitored using fewer than the configured number of blind decodes.
20. The method of claim 19 , wherein the indication whether the search space may be monitored using fewer than the configured number of blind decodes comprises an indication of whether a search space is a common search space or a user equipment specific search space.
21. A wireless device capable of monitoring signals in a wireless communication network, the wireless device comprising:
processing circuitry coupled to a memory;
the memory comprising instructions that when executed by the processing circuitry are operable to:
receive a physical downlink control channel (PDCCH) search space monitoring configuration from a network node, the PDCCH search space monitoring configuration comprising a monitoring periodicity and a number of blind decodes for each search space of a plurality of search spaces over a plurality of slots, wherein for each search space the monitoring periodicity refers to a pattern of slots for which the wireless device will monitor the search space for a signal, and the number of blind decodes refers to a number of blind decodes available for the search space at a particular slot, and wherein the monitoring periodicity of at least two search spaces overlap in at least one slot such that the wireless device is configured to monitor at least two search spaces in the at least one slot; and
monitor each search space according to the monitoring periodicity and the number of blind decodes.
22. The wireless device of claim 21 , wherein a total number of blind decodes to be performed in each slot of the plurality of slots is equivalent for all slots.
23. The wireless device of claim 21 , wherein the number of blind decodes for each search space is equivalent for all slots.
24. The wireless device of claim 21 , wherein the number of blind decodes for each search space varies among slots.
25. The wireless device of claim 21 , wherein the number of blind decodes for each search space in a slot is equivalent for all search spaces in the slot.
26. The wireless device of claim 21 , herein the number of blind decodes for each search space in a slot varies among search spaces in the slot.
27. The wireless device of claim 21 , wherein the total number of blind decodes to be performed in a slot of the plurality of slots exceeds a total number of blind decodes that the wireless device is capable of performing in the slot; and
the processing circuitry is further operable to limit a number of blind decodes to be performed in one or more search spaces so that the total number of blind decodes in each slot is less than or equal to the total number of blind decodes that the wireless device is capable of performing in the slot.
28. The wireless device of claim 27 , wherein the processing circuitry is operable to limit the number of blind decodes based on preconfigured rules for prioritizing a first search space over a second search space.
29. The wireless device of claim 28 , wherein the PDCCH search space monitoring configuration further comprises an indication whether a search space may be monitored using fewer than the configured number of blind decodes.
30. The wireless device of claim 29 , wherein the indication whether the search space may be monitored using fewer than the configured number of blind decodes comprises an indication of whether a search space is a common search space or a user equipment specific search space.