# US 12,010,682 B2 · Channel monitoring with complexity constraints > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,010,682 B2 - Document ID: US12010682B2 - Status: Granted - Kind: B2 - Application number: 16/969,825 - Filed: 2019-02-18 - Published: 2021-03-18 - Granted: 2024-06-11 - Earliest claimed: 2018-02-16 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Jung-Fu Cheng; Stefan Eriksson Löwenmark; Havish Koorapaty; Xingqin Lin - Web page: https://patentgrep.com/patent/US12010682B2 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 72/20: Control channels or signalling for resource management - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/51: based on terminal or device properties - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0096: {Indication of changes in allocation} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods and apparatuses are disclosed for configuring a search space to the WD based on a Control Channel Element (CCE) limit of the WD. According to one or more embodiments, a network node configured to communicate with a wireless device is provided. The network node includes processing circuitry configured to receive a Control Channel Element, CCE, limit of the wireless device and configure a search space for the wireless device to monitor based at least in part on the CCE limit of the wireless device. ## Claims ### Claim 1 A network node configured to communicate with a wireless device, the network node comprising processing circuitry configured to: receive a Control Channel Element, CCE, limit of the wireless device; and configure a search space for the wireless device to monitor based at least in part on the CCE limit of the wireless device. ### Claim 2 (depends on 1) The network node of claim 1, wherein the CCE limit of the wireless device corresponds to a processing capability limit of the wireless device and is related to a limit of a number of CCEs that the wireless device can process in a slot. ### Claim 3 (depends on 1) The network node of claim 1, wherein the search space corresponds to a subset of a control resource set, CORESET. ### Claim 4 (depends on 1) The network node of claim 1, wherein the processing circuitry is further configured to: determine that processing of a first CORESET and a second CORESET by the wireless device would exceed the CCE limit; and drop the second CORESET from wireless device monitoring based at least in part on the determination that CCE limit would be exceeded. ### Claim 5 A method implemented in a network node, the method comprising: receiving a Control Channel Element, CCE, limit of a wireless device; and configuring a search space for the wireless device to monitor based at least in part on the CCE limit of the wireless device. ### Claim 6 (depends on 5) The method of claim 5, wherein the CCE limit of the wireless device corresponds to a processing capability limit of the wireless device and is related to a limit of a number of CCEs that the wireless device can process in a slot. ### Claim 7 (depends on 5) The method of claim 5, wherein the search space corresponds to a subset of a control resource set, CORESET. ### Claim 8 (depends on 5) The method of claim 5, further comprising: determining that processing of a first CORESET and a second CORESET by the wireless device would exceed the CCE limit; and dropping the second CORESET from wireless device monitoring based at least in part on the determination that CCE limit would be exceeded. ### Claim 9 A wireless device configured to communicate with a network node, the wireless device comprising processing circuitry configured to monitor a search space for at least one Physical Downlink Control Channel, PDCCH, candidate, the search space being based at least in part on a control channel element, CCE, limit of the wireless device. ### Claim 10 (depends on 9) The wireless device of claim 9, wherein the CCE limit is based at least in part on a CCE processing capability of the wireless device. ### Claim 11 (depends on 9) The wireless device of claim 9, wherein the processing circuitry is further configured to communicate the CCE limit of the wireless device. ### Claim 12 (depends on 9) The wireless device of claim 9, wherein the search space corresponds to a subset of a control resource set, CORESET. ### Claim 13 (depends on 9) The wireless device of claim 9, wherein the monitoring of the search space includes blind decoding at least one CCE for downlink control information, DCI associated with the wireless device. ### Claim 14 (depends on 9) The wireless device of claim 9, wherein the search space includes both a common search space and a wireless device specific search space within a first control resource set, CORESET; and a second CORESET being dropped from monitoring by the wireless device based at least in part on the CCE limit. ### Claim 15 A method implemented in a wireless device, the method comprising monitoring a search space for at least one Physical Downlink Control Channel, PDCCH, candidate, the search space being based at least in part on a Control Channel Element, CCE, limit of the wireless device. ### Claim 16 (depends on 15) The method of claim 15, wherein the CCE limit is based at least in part on a CCE processing capability of the wireless device. ### Claim 17 (depends on 15) The method of claim 15, further comprising communicating the CCE limit of the wireless device. ### Claim 18 (depends on 17) The method of claim 17, wherein the CCE limit is based at least in part on a CCE processing capability of the wireless device. ### Claim 19 (depends on 15) The method of claim 15, wherein the search space corresponds to a subset of a control resource set, CORESET. ### Claim 20 (depends on 15) The method of claim 15, wherein the monitoring of the search space includes blind decoding at least one CCE for downlink control information, DCI associated with the wireless device. ### Claim 21 (depends on 15) The method of claim 15, wherein the search space includes both a common search space and a wireless device specific search space within a first control resource set, CORESET; and a second CORESET being dropped from monitoring by the wireless device based at least in part on the CCE limit.