# US 12,604,221 B2 · Skipping reception of control channel information > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,604,221 B2 - Document ID: US12604221B2 - Status: Granted - Kind: B2 - Application number: 18/059,285 - Filed: 2022-11-28 - Published: 2023-03-30 - Granted: 2026-04-14 - Earliest claimed: 2020-05-29 - Assignees: Zte Corporation - Applicants: ZTE Corporation - Inventors: Xiaoying Ma; Qiujin Guo; Jun Xu; Mengzhu Chen; Xuan Ma; Focai Peng - Web page: https://patentgrep.com/patent/US12604221B2 ## CPC - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame} - H04W 52/0258: {controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day} - H04W 52/028: {switching on or off only a part of the equipment circuit blocks} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX] - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Systems, apparatus and method for wireless communication are described. One example method for wireless communication includes determining, by a wireless device, to perform a control channel skipping behavior mode for monitoring a control channel; and monitoring, by the wireless device, subsequent to the determining, the control channels according to the control channel skipping behavior mode. ## Claims ### Claim 1 A method for wireless communication, comprising: receiving, by a wireless device, in different downlink control informations (DCIs) in a first slot, indications of skipping monitoring modes for a plurality of control channels for a control channel skipping period, wherein the wireless device does not expect that the indications of skipping monitoring modes are inconsistent, wherein inconsistent indications of skipping monitoring modes are at least one of: (i) a first DCI that indicates a first skipping time period and a second DCI that indicates a second skipping time period, or (ii) a first DCI that indicates a first skipping monitoring mode in which the wireless device does not skip control channel monitoring and a second DCI that indicates a second skipping monitoring mode in which the wireless device does a skipping of the control channel monitoring; determining, by a wireless device, a skipping monitoring mode for the plurality of control channels based on at least one of the indications received in the different DCIs; and performing, by the wireless device, the skipping control channel monitoring mode at a second slot after the first slot in which the different DCIs are received. ### Claim 2 (depends on 1) The method of claim 1, wherein the DCI is received in a physical downlink control channel (PDCCH). ### Claim 3 (depends on 2) The method of claim 2, wherein the DCI configures a PDCCH skipping indicator value, and wherein a field in the DCI is used to indicate an index of the PDCCH skipping indicator value. ### Claim 4 (depends on 1) The method of claim 1, wherein the wireless device performs the skipping control channel monitoring mode in at least one of the following: a BWP which triggered the skipping control channel monitoring mode; each serving cell configured for the wireless device; each serving cell in a same MAC-entity which receives a trigger for the skipping control channel monitoring mode; a primary cell (PCell) or primary secondary cell (PSCell); or a serving cell which receives a trigger for the skipping control channel monitoring mode. ### Claim 5 (depends on 1) The method of claim 1, wherein the DCI indicates a time in which the wireless device stops monitoring the plurality of control channels during the control channel skipping period. ### Claim 6 (depends on 1) The method of claim 1, wherein a skipping indicator value (SIV) is used to indicate a start and duration of a control channel skipping time, and wherein the SIV is associated with at least one of the following: a start position of the control channel skipping, a duration of the control channel skipping, or a total duration time of the SIV. ### Claim 7 (depends on 1) The method of claim 1, wherein a field in each DCI comprises a respective indication of skipping monitoring mode, and wherein the wireless device determines the skipping monitoring mode indicated in a higher priority DCI format if the wireless device receives the inconsistent indications from different DCIs in the first slot. ### Claim 8 (depends on 1) The method of claim 1, further comprising stopping, by the wireless device, the skipping control channel monitoring in at least one of the following situations: after a discontinuous reception (DRX)-on duration timer or DRX-inactivity timer expires; the wireless device is outside of an active time; or after a BWP-inactivity timer expires. ### Claim 9 (depends on 1) The method of claim 1, further comprising: reporting, by the wireless device, a preferred control channel skipping period to a network device. ### Claim 10 (depends on 1) The method of claim 1, wherein the skipping control channel monitoring mode comprises performing a skipping control channel monitoring. ### Claim 11 An apparatus for wireless communication, comprising a memory and processor electronics, wherein the processor electronics executes instructions stored on the memory to cause a wireless device to: receive, in different downlink control informations (DCIs) in a first slot, indications of skipping monitoring modes for a plurality of control channels for a control channel skipping period, wherein the wireless device does not expect that the indications of skipping monitoring modes are inconsistent, wherein inconsistent indications of skipping monitoring modes are at least one of: (i) a first DCI that indicates a first skipping time period and a second DCI that indicates a second skipping time period, or ii) a first DCI that indicates a first skipping monitoring mode in which the wireless device does not skip control channel monitoring and a second DCI that indicates a second skipping monitoring mode in which the wireless device does a skipping of the control channel monitoring; determine a skipping monitoring mode for the plurality of control channels based on at least one of the indications received in the different DCIs; and perform the skipping control channel monitoring mode at a second slot after the first slot in which the different DCIs are is received.