# US 12,004,194 B2 · Transmission method and apparatus for MIMO system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,194 B2 - Document ID: US12004194B2 - Status: Granted - Kind: B2 - Application number: 18/349,585 - Filed: 2023-07-10 - Published: 2023-11-02 - Granted: 2024-06-04 - Earliest claimed: 2020-09-17 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jonghwan Kim; Seijoon Shim; Jongho Oh; Kilsik Ha - Web page: https://patentgrep.com/patent/US12004194B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04B 7/0413: MIMO systems - H04W 8/22: Processing or transfer of terminal data, e.g. status or physical capabilities - H04W 8/26: Network addressing or numbering for mobility support - H04W 72/51: based on terminal or device properties - H04W 88/085: {Access point devices with remote components} - H04W 72/044: based on the type of the allocated resource - H04W 92/12: between access points and access point controllers - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION ## Abstract A communication technique for convergence between an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system, and a system thereof is provided. The method includes intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like.) On the basis of a 5G communication technology and an IoT-related technology. A method includes determining a scheduling-related parameter for at least one user, and transmitting scheduling information indicating the scheduling-related parameter to a radio unit (RU), wherein the scheduling information includes a first section extension field including information relating to a user equipment identifier (ueID) related to the at least one user, and a second section extension field including information relating to a number of ueIDs corresponding to each user. ## Claims ### Claim 1 A method of a distributed unit (DU) of a base station, the method comprising: determining scheduling-related parameters for users by identifying one or more user equipment identifiers (ueIDs) corresponding to each of the users and a number of ueIDs corresponding to each of the users; and transmitting, to a radio unit (RU), scheduling information including the scheduling-related parameters, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the number of ueIDs corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information. ### Claim 2 (depends on 1) The method of claim 1, wherein the one or more ueIDs corresponding to each of the users have as many consecutive values as the number of ueIDs corresponding to each of the users. ### Claim 3 (depends on 1) The method of claim 1, wherein the first section extension field provides a number of layers of each of the users. ### Claim 4 (depends on 3) The method of claim 3, wherein, for each of the users, the first section extension field comprises same ueID repeated as many times as the number of layers of each of the users. ### Claim 5 A distributed unit (DU) device of a base station, the device comprising: a connector configured to transmit or receive a signal to or from a radio unit (RU); and at least one processor configured to: determine scheduling-related parameters for users by identifying one or more user equipment identifiers (ueIDs) corresponding to each of the users and a number of ueIDs corresponding to each of the users, and transmit, to the RU, scheduling information including the scheduling-related parameters, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the number of ueIDs corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information. ### Claim 6 (depends on 5) The device of claim 5, wherein the one or more ueIDs corresponding to each of the users have as many consecutive values as the number of ueIDs corresponding to each of the users. ### Claim 7 (depends on 5) The device of claim 5, wherein the first section extension field provides a number of layers of each of the users. ### Claim 8 (depends on 7) The device of claim 7, wherein, for each of the users, the first section extension field comprises same ueID repeated as many times as the number of layers of each of the users. ### Claim 9 A method of a radio unit (RU) of a base station, the method comprising: receiving, from a distributed unit (DU), scheduling information including scheduling-related parameters for users, wherein the scheduling-related parameters include one or more user equipment identifiers (ueIDs) corresponding to each of the users and a number of ueIDs corresponding to each of the users; and acquiring the scheduling-related parameters for the users based on the scheduling information, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the number of ueIDs corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information. ### Claim 10 (depends on 9) The method of claim 9, wherein the one or more ueIDs corresponding to each of the users have as many consecutive values as the number of ueIDs corresponding to each of the users. ### Claim 11 (depends on 9) The method of claim 9, wherein the first section extension field provides a number of layers of each of the users. ### Claim 12 (depends on 11) The method of claim 11, wherein, for each of the users, the first section extension field comprises same ueID repeated as many times as the number of layers of each of the users. ### Claim 13 A radio unit (RU) device of a base station, the device comprising: a connector configured to transmit or receive a signal to or from a distributed unit (DU); and at least one processor configured to: receive, from the DU, scheduling information including scheduling-related parameters for users wherein the scheduling-related parameters include one or more user equipment identifiers (ueIDs) corresponding to each of the users and a number of ueIDs corresponding to each of the users, and acquire the scheduling-related parameters for the users based on the scheduling information, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the number of ueIDs corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information. ### Claim 14 (depends on 13) The device of claim 13, wherein the one or more ueIDs corresponding to each of the users have as many consecutive values as the number of ueIDs corresponding to each of the users. ### Claim 15 (depends on 13) The device of claim 13, wherein the first section extension field provides a number of layers of each of the users. ### Claim 16 (depends on 15) The device of claim 15, wherein, for each of the users, the first section extension field comprises same ueID repeated as many times as the number of layers of each of the users. ### Claim 17 A method of a distributed unit (DU) of a base station, the method comprising: determining scheduling-related parameters for users by identifying one or more user equipment identifiers (ueIDs) corresponding to each of the users and a numUeID (number of ueIDs per user) corresponding to each of the users; and transmitting, to a radio unit (RU), scheduling information including the scheduling-related parameters, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the numUeID corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information. ### Claim 18 A distributed unit (DU) device of a base station, the device comprising: a connector configured to transmit or receive a signal to or from a radio unit (RU); and at least one processor configured to: determine scheduling-related parameters for users by identifying one or more user equipment identifiers (ueIDs) corresponding to each of the users and a numUeID (number of ueIDs per user) corresponding to each of the users, and transmit, to the RU, scheduling information including the scheduling-related parameter, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the numUeID corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information. ### Claim 19 A method of a radio unit (RU) of a base station, the method comprising: receiving, from a distributed unit (DU), scheduling information including scheduling-related parameters for users, wherein the scheduling-related parameters include one or more user equipment identifiers (ueIDs) corresponding to each of the users and a numUeID (number of ueIDs per user) corresponding to each of the users; and acquiring the scheduling-related parameters for the users based on the scheduling information, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the numUeID corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information. ### Claim 20 A radio unit (RU) device of a base station, the device comprising: a connector configured to transmit or receive a signal to or from a distributed unit (DU); and at least one processor configured to: receive, from the DU, scheduling information including scheduling-related parameters for users wherein the scheduling-related parameters include one or more user equipment identifiers (ueIDs) corresponding to each of the users and a numUeID (number of ueIDs per user) corresponding to each of the users, and acquire the scheduling-related parameters for the users based on the scheduling information, wherein the scheduling information comprises: a first section extension field comprising information relating to the one or more ueIDs corresponding to each of the users, and a second section extension field comprising information relating to the numUeID corresponding to each of the users, and wherein the first section extension field comprises as many different ueIDs as the number of the users to be scheduled through the scheduling information.