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    ELECTRONIC DEVICE FOR PERFORMING OCCUPANCY-BASED HOME ENERGY MANAGEMENT AND OPERATING METHOD THEREOF
    21.
    发明申请
    ELECTRONIC DEVICE FOR PERFORMING OCCUPANCY-BASED HOME ENERGY MANAGEMENT AND OPERATING METHOD THEREOF 有权

    公开(公告)号：US20250147472A1

    公开(公告)日：2025-05-08

    申请号：US18934621

    申请日：2024-11-01

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： SANGKEUM LEE ,  Yoonmee DOH ,  Chung-ho LEE ,  Tae-Wook HEO

    IPC: G05B13/02 ,  G06N3/044 ,  G06N3/0455 ,  G06N3/0464 ,  G06N3/088

    Abstract: This invention relates to an electronic device and method for performing real-time occupancy-based home energy management. By using advanced neural network models to detect user occupancy patterns, the system optimizes appliance operation schedules to reduce energy costs, enhance system efficiency, and prolong device lifespan. The electronic device includes at least one processor and at least one memory configured to store instructions executable by the at least one processor, wherein, when at least a portion of the instructions stored in the at least one memory is executed by the at least one processor, the at least a portion of the instructions to be executed controls the electronic device to perform operations of collecting sensing data related to usage patterns of home appliances placed in an indoor area, obtaining output data by inputting the collected sensing data as input data to a neural network model for determining whether a user occupies the indoor area, and training an occupancy detection model using a reconstruction error determined through the input data and the output data.

    In-phase/quadrature-phase generating device and phase shift device using the same
    24.
    发明授权
    In-phase/quadrature-phase generating device and phase shift device using the same 有权

    公开(公告)号：US12294334B2

    公开(公告)日：2025-05-06

    申请号：US18156894

    申请日：2023-01-19

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jinseok Park ,  Seong Mo Moon ,  Byoung Sun Lee ,  Jun Han Lim ,  Dong Pil Chang

    IPC: H03D7/16

    Abstract: An I/Q signal generating apparatus and phase shift apparatus using the same are provided, the I/Q signal generating apparatus including: a first resonance circuit whose one end is connected to a first input terminal and whose other end is connected to a first output terminal; and a second resonance circuit whose one end is connected to the other end of the first resonance circuit or a second input terminal, and whose other end is connected to a second output terminal, wherein the first resonance circuit and the second resonance circuit each include a resistor, a capacitor connected in parallel with the resistor, and an inductor connected in a form of a cross between the resistor and the capacitor.

    Dynamic memory management apparatus and method for allocating/deallocating dynamic memory using the same
    26.
    发明授权
    Dynamic memory management apparatus and method for allocating/deallocating dynamic memory using the same 有权

    公开(公告)号：US12292828B2

    公开(公告)日：2025-05-06

    申请号：US18349673

    申请日：2023-07-10

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Hong-Il Ju ,  Dong-Wook Kang ,  Gae-Il An

    IPC: G06F12/02

    Abstract: Disclosed herein are a dynamic memory management apparatus and a method for allocating/deallocating dynamic memory. The apparatus includes actual memory configured to allocate or deallocate a heap, virtual memory configured to set/store heap allocation information at a virtual address mapped to an actual address that is a body start address of a heap area of the actual memory, and a dynamic memory manager configured to process a memory allocation or deallocation request and the virtual memory, wherein the heap allocation information includes access authority information for storing information indicating whether a heap at an actual address is allocated or deallocated, and count information increased whenever a heap is allocated, and the dynamic memory manager is configured to return an address pointer including an actual address of a heap allocated to the actual memory and heap allocation information to the program, and process a heap deallocation or reallocation request.

    ELECTRONIC DEVICE FOR DISTRIBUTED SCHEDULING IN NETWORK AND METHOD OF OPERATING THE SAME
    27.
    发明申请
    ELECTRONIC DEVICE FOR DISTRIBUTED SCHEDULING IN NETWORK AND METHOD OF OPERATING THE SAME 有权

    公开(公告)号：US20250141805A1

    公开(公告)日：2025-05-01

    申请号：US18815758

    申请日：2024-08-26

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Hyun Kyung YOO ,  SUNG HYUK BYUN ,  Namseok KO

    IPC: H04L47/12 ,  H04L47/10

    Abstract: An electronic device for distributed scheduling of a network and a method of operating the same are provided. The electronic device includes a processor and a memory configured to store instructions, wherein the instructions, when executed by the processor, may cause the electronic device to determine a traffic demand for a network connection, based on the traffic demand, determine a burst level for traffic of a predetermined time period and transmit the burst level to a control device, by comparing the burst level with a threshold value determined by the control device, determine whether the traffic demand is in a traffic over-demand state, receive a token for connecting to a circuit switch to distribute the traffic demand, and when the traffic demand is in the traffic over-demand state, connect to the circuit switch through the token.

    APPARATUS AND METHOD FOR FEDERATED LEARNING BASED ON GROUP KEY
    28.
    发明申请
    APPARATUS AND METHOD FOR FEDERATED LEARNING BASED ON GROUP KEY 有权

    公开(公告)号：US20250141675A1

    公开(公告)日：2025-05-01

    申请号：US18416454

    申请日：2024-01-18

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Hyun-Jin KIM ,  Jong-Geun PARK ,  Jong-Hoon LEE

    IPC: H04L9/08 ,  G06N3/098

    Abstract: Disclosed herein is an apparatus and method for federated learning based on group key management. The apparatus receives learning group participation request information from a learning node that intends to participate in a federated learning group, updates a group key required for the learning node to participate in federated learning using a key material generated by hashing the learning group participation request information, decrypts an encrypted local variable received from the learning node and thereby updates the same to a global variable, and transmits the global variable to the learning node after encrypting the same using the updated group key.

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