# US 11,910,401 B2 · Base station and user equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,401 B2 - Document ID: US11910401B2 - Status: Granted - Kind: B2 - Application number: 17/990,937 - Filed: 2022-11-21 - Published: 2023-04-20 - Granted: 2024-02-20 - Earliest claimed: 2018-06-28 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Shin Horng Wong - Web page: https://patentgrep.com/patent/US11910401B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/1614: {using bitmaps} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/535: {based on resource usage policies} - H04W 72/566: of the information or information source or recipient - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A base station for a mobile telecommunications system has circuitry configured to communicate with at least one user equipment, wherein the circuitry is further configured to: transmit, to the at least one user equipment, a multi-level pre-emption indicator for indicating, as first level information, first information about resources used for at least one short-data transmission within a transmission region which may contain at least one long-data transmission of the at least one user equipment, and, as second level information, second information about the resources used for the short-data transmission, wherein the second information more accurately indicates the resources used than the first information. ## Claims ### Claim 1 Circuitry for a user equipment in a mobile telecommunications system, the circuitry comprising: transceiver circuitry; and control circuitry configured with the transceiver circuitry to receive, from at least one base station, a multi-level pre-emption indicator indicating, as first level information, first information about resources used for at least one short data transmission within a transmission region which may contain at least one long data transmission of the at least one user equipment, and, as second level information, second information about the resources used for the short-data transmission, wherein the second information more accurately indicates the resources used more accurately than the first information indicates resources used, the first level information indicates the resources used based on a first resource grid indicating the transmission region divided into first resource regions, and the second level information indicates the resources used within the indicated first resource regions. ### Claim 2 (depends on 1) The circuitry of claim 1, wherein the second level information indicates the resources used based on a second resource grid dividing the indicated first resource regions into second resource regions, the second resource regions being smaller than the first resource regions. ### Claim 3 (depends on 1) The circuitry of claim 1, wherein the second resource grid is included in the multi-level pre-emption indicator or wherein the configuration of the second resource grid is radio resource control configured. ### Claim 4 (depends on 1) The circuitry of claim 1, wherein the first level information indicates resources used being logically associated with each other within the transmission region and wherein the second level information is referred to the logically associated resources. ### Claim 5 (depends on 1) The circuitry of claim 1, wherein the first level information or the second level information includes a two-dimensional bitmap. ### Claim 6 (depends on 1) The circuitry of claim 1, wherein the second level information indicates whether to ignore the first level information or not. ### Claim 7 (depends on 1) The circuitry of claim 1, wherein the first level information or the second level information is included in group common downlink control information. ### Claim 8 (depends on 7) The circuitry of claim 7, wherein the first level information and the second level information are included in the same group common downlink control information. ### Claim 9 (depends on 1) The circuitry of claim 1, wherein the first level information and the second level information are transmitted with different periodicity and wherein the second level information includes information about a time interval associated with the first level information. ### Claim 10 (depends on 1) The circuitry of claim 1, wherein the second level information is included in user equipment specific downlink control information. ### Claim 11 (depends on 1) The circuitry of claim 1, wherein the second level information is included in each carrier of a carrier aggregation operation. ### Claim 12 (depends on 1) The circuitry of claim 1, wherein the first level information is transmitted in a primary carrier and the second level information is transmitted in a secondary carrier. ### Claim 13 (depends on 1) The circuitry of claim 1, wherein the second level information is transmitted for different bandwidth parts. ### Claim 14 (depends on 13) The circuitry of claim 13, wherein a same first level information is associated with the different bandwidth parts. ### Claim 15 Circuitry for a base station of a mobile telecommunications system, the circuitry comprising: transceiver circuitry; and control circuitry configured with the transceiver circuitry to transmit, to at least one user equipment, a multi-level pre-emption indicator for indicating, as first level information, first information about resources used for at least one short-data transmission within a transmission region which may contain at least one long-data transmission of the at least one user equipment, and, as second level information, second information about the resources used for the short-data transmission, wherein the second information indicates the resources used more accurately than the first information indicates resources used, the first level information indicates the resources used based on a first resource grid indicating the transmission region divided into first resource regions, and the second level information indicates the resources used within the indicated first resource regions. ### Claim 16 (depends on 15) The circuitry of claim 15, wherein the second level information indicates the resources used based on a second resource grid dividing the indicated first resource regions into second resource regions, the second resource regions being smaller than the first resource regions. ### Claim 17 (depends on 15) The circuitry of claim 15, wherein the second resource grid is included in the multi-level pre-emption indicator or wherein the configuration of the second resource grid is radio resource control configured. ### Claim 18 (depends on 15) The circuitry of claim 15, wherein the first level information indicates resources used being logically associated with each other within the transmission region and wherein the second level information is referred to the logically associated resources. ### Claim 19 (depends on 15) The circuitry of claim 15, wherein the first level information or the second level information is included in group common downlink control information. ### Claim 20 (depends on 19) The circuitry of claim 19, wherein the first level information and the second level information are included in the same group common downlink control information.