Overlapping control resource sets with different priority levels
地域：
CA
CA San Diego
摘要
Methods, systems, and devices for wireless communication are described. One method may include receiving, at user equipment (UE), a control resource set configuration message from a base station; identifying an overlap between a first control resource set and a second control resource set of a wireless channel; identifying a priority level of the first control resource set and a priority level of the second control resource set based on the control resource set configuration message; and monitoring the first control resource set based on the identified overlap, the priority level of the first control resource set, and the priority level of the second control resource set.
說明書
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The present Application for Patent claims the benefit of U.S. Provisional Patent Application No. 62/538,612 by SUN, et al., entitled “OVERLAPPING CONTROL RESOURCE SETS WITH DIFFERENT PRIORITY LEVELS,” filed Jul. 28, 2017, assigned to the assignee hereof, and expressly incorporated herein.
The following relates generally to wireless communication and to techniques for managing overlapping control resource sets in a wireless communications system.
Wireless communications systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems may be capable of supporting communication with multiple users by sharing the available system resources (e.g., time, frequency, and power). Examples of such multiple-access systems include fourth generation (4G) systems such as a Long Term Evolution (LTE) systems or LTE-Advanced (LTE-A) systems, and fifth generation (5G) systems which may be referred to as New Radio (NR) systems. These systems may employ technologies such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal frequency division multiple access (OFDMA), or discrete Fourier transform-spread-OFDM (DFT-S-OFDM). A wireless multiple-access communications system may include a number of base stations or network access nodes, each simultaneously supporting communication for multiple communication devices, which may be otherwise known as user equipment (UE).
權(quán)利要求
What is claimed is:1. A method for wireless communication at a user equipment (UE), comprising:receiving a control resource set configuration message from a base station; identifying an overlap between a first control resource set and a second control resource set of a wireless channel; identifying a priority level of the first control resource set and a priority level of the second control resource set based at least in part on the control resource set configuration message; and monitoring the first control resource set based at least in part on the identified overlap, the priority level of the first control resource set, and the priority level of the second control resource set. 2. The method of claim 1 , wherein monitoring the first control resource set is based at least in part on determining that the identified priority level of the first control resource set and the identified priority level of the second control resource set are different. 3. The method of claim 2 , wherein monitoring the first control resource set comprises:determining that the identified priority level of the first control resource set is lower than the identified priority level of the second control resource set; identifying a portion of overlapping resources associated with the first control resource set and the second control resource set; removing from the first control resource set the portion of overlapping resources associated with the first control resource set, wherein the portion of overlapping resources overlap with a portion of the second control resource set; and obtaining a remaining portion of the first control resource set based at least in part on the removed overlapping resources, wherein the remaining portion of the first control resource set comprises a portion of non-overlapping resources. 4. The method of claim 1 , further comprising:updating a monitoring configuration of the UE for the first control resource set based at least in part on the identified overlapping resources. 5. The method of claim 4 , wherein updating the monitoring configuration comprises:configuring the UE to refrain from monitoring a portion of the first control resource set overlapping with the second control resource set. 6. The method of claim 1 , further comprising:performing a blind decoding of downlink control information based at least in part on all downlink control information transmissions in the first control resource set rate match around the portion of overlapping resources associated with the first control resource set. 7. The method of claim 1 , wherein the first control resource set comprises a time first mapping control resource set. 8. The method of claim 7 , further comprising:performing a blind decoding of downlink control information based at least in part on all downlink control information transmissions in the first control resource set rate match around resources sharing a same frequency domain resource with the portion of overlapping resources associated with the first control resource set. 9. The method of claim 1 , wherein the first control resource set comprises a frequency first mapping control resource set. 10. The method of claim 9 , further comprising:performing a blind decoding of downlink control information based at least in part on all downlink control information transmissions in the first control resource set rate match around resources that overlap with the second control resource set. 11. The method of claim 1 , further comprising:performing a blind decoding of downlink control information at a candidate downlink control information transmission based at least in part on a candidate downlink control information transmission location in the first control resource set are selected, wherein resources used by the candidate downlink control information transmission is non-overlapping with the second control resource set. 12. The method of claim 11 , further comprising:performing a blind decoding of downlink control information at a candidate downlink control information transmission based at least in part on a candidate downlink control information transmission location in the first control resource set is selected prior to identifying the overlap with the second control resource set, wherein resources used by the candidate downlink control information transmission are partially overlapping with the second control resource set. 13. The method of claim 11 , further comprising:performing a blind decoding of downlink control information based at least in part on a candidate downlink control information transmission being partially overlapping with the second control resource set, wherein the downlink control information is being transmitted within a non-overlapping portion of resources allocated to the candidate downlink control information transmission. 14. The method of claim 1 , wherein the priority level of the second control resource set is based at least in part on a default priority level. 15. A method for wireless communication, comprising:generating a control resource set configuration message comprising an indication of a priority level of a first control resource set and a priority level of a second control resource set of a wireless channel; transmitting the control resource set configuration message to a user equipment (UE) over the wireless channel; and configuring the UE to monitor the first control resource set based at least in part on an overlap between the first control resource set and the second control resource set, the priority level of the first control resource set, and the priority level of the second control resource set. 16. The method of claim 15 , further comprising:configuring the UE to refrain from monitoring a portion of the first control resource set overlapping with the second control resource set. 17. The method of claim 16 , wherein configuring the UE comprises configuring the UE to monitor portions of the first control resource set that do not overlap with the second control resource set. 18. The method of claim 15 , further comprising:assigning the first priority level to the first control resource set and the second priority level to the second control resource set. 19. The method of claim 18 , wherein the first priority and the second priority are assigned based on a type associated with the first control resource set and a type associated with the second control resource set. 20. The method of claim 19 , wherein the type of the first control resource set is one of UE-specific or common and the type of the second control resource set is one of UE-specific or common. 21. The method of claim 20 , wherein assigning the first priority level to the first control resource set and the second priority level to the second control resource set comprises:assigning a higher priority to a common resource set than to a UE-specific control resource set. 22. The method of claim 18 , further comprising:configuring the UE to disregard the second control resource set. 23. The method of claim 18 , further comprising:configuring the UE to monitor the second control resource set. 24. The method of claim 18 , wherein the first control resource set has a first priority, the second control resource set has a second priority, and the second priority is higher than the first priority. 25. The method of claim 24 , further comprising:configuring the UE to disregard the second control resource set. 26. The method of claim 24 , further comprising:configuring the UE to monitor the second control resource set. 27. An apparatus for wireless communication, comprising:a processor; memory in electronic communication with the processor; and instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:receive a control resource set configuration message from a base station; identify an overlap between a first control resource set and a second control resource set of a wireless channel; identify a priority level of the first control resource set and a priority level of the second control resource set based at least in part on the control resource set configuration message; and monitor the first control resource set based at least in part on the identified overlap, the priority level of the first control resource set, and the priority level of the second control resource set. 28. The apparatus of claim 27 , wherein the monitoring the first control resource set is based at least in part on determining that the identified priority level of the first control resource set and the identified priority level of the second control resource set are different. 29. The apparatus of claim 28 , wherein the instructions are further executable by the processor to:determine that the identified priority level of the first control resource set is lower than the identified priority level of the second control resource set; identify a portion of overlapping resources associated with the first control resource set and the second control resource set; remove from the first control resource set the portion of overlapping resources associated with the first control resource set, wherein the portion of overlapping resources overlap with a portion of the second control resource set; and obtain a remaining portion of the first control resource set based at least in part on the removed overlapping resources, wherein the remaining portion of the first control resource set comprises a portion of non-overlapping resources. 30. The apparatus of claim 27 , wherein the instructions are further executable by the processor to:update a monitoring configuration of the UE for the first control resource set based at least in part on the identified overlapping resources. 31. The apparatus of claim 30 , wherein the instructions are further executable by the processor to:configure the UE to refrain from monitoring a portion of the first control resource set overlapping with the second control resource set. 32. An apparatus for wireless communication, comprising:a processor; memory in electronic communication with the processor; and instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:generate a control resource set configuration message comprising an indication of a priority level of a first control resource set and a priority level of a second control resource set of a wireless channel; transmit the control resource set configuration message to a user equipment (UE) over the wireless channel; and configure the UE to monitor the first control resource set based at least in part on an overlap between the first control resource set and the second control resource set, the priority level of the first control resource set, and the priority level of the second control resource set. 33. The apparatus of claim 32 , wherein the instructions stored in the memory are further operable, when executed by the processor, to cause the apparatus to:assign the first priority level to the first control resource set and the second priority level to the second control resource set. 34. The apparatus of claim 33 , wherein the first priority and the second priority are assigned based on a type associated with the first control resource set and a type associated with the second control resource set. 35. The apparatus of claim 34 , wherein the type of the first control resource set is one of UE-specific or common and the type of the second control resource set is one of UE-specific or common. 36. The apparatus of claim 35 , wherein the instructions stored in the memory are further operable, when executed by the processor, to cause the apparatus to:assign the first priority level to the first control resource set and the second priority level to the second control resource set by assigning a higher priority to a common resource set than to a UE-specific control resource set.
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