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    SYSTEM AND METHOD FOR TRAINING AGENT BASED ON TRANSFER TRAINING
    195.
    发明公开
    SYSTEM AND METHOD FOR TRAINING AGENT BASED ON TRANSFER TRAINING 审中-公开

    公开(公告)号：US20240220857A1

    公开(公告)日：2024-07-04

    申请号：US18229283

    申请日：2023-08-02

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sooyoung Jang ,  Sang Yeoun LEE ,  Ji Hun JEON

    IPC: G06N20/00

    CPC classification number: G06N20/00

    Abstract: An agent training method based on transfer training is provided. The method includes preparing an agent pre-trained in a first environmental condition (hereinafter referred to as source agent), obtaining training data for training of an agent to be trained in a second environmental condition (hereinafter referred to as target agent) different from the first environmental condition by using the source agent, pre-training the target agent based on the training data, and performing deep reinforcement training-based training on the pre-trained target agent in the second environmental condition.

    Communication device and method, and unmanned aerial vehicle employing the same
    197.
    发明授权
    Communication device and method, and unmanned aerial vehicle employing the same 有权

    公开(公告)号：US12028106B2

    公开(公告)日：2024-07-02

    申请号：US18101775

    申请日：2023-01-26

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jeong Gi Yang ,  Soo Jeon Lee

    IPC: H04B1/69 ,  B64C39/02 ,  B64U20/80 ,  B64U101/20 ,  G01S11/02

    CPC classification number: H04B1/69 ,  B64C39/024 ,  B64U20/80 ,  G01S11/02 ,  B64U2101/20

    Abstract: The present disclosure provides a communication device which is suitable for use in an unmanned aerial vehicle operating in an unmanned aerial vehicle collaboration system including multiple unmanned aerial vehicles and enables both a data communication with another unmanned aerial vehicle and a measurement of a distance to another unmanned aerial vehicle. According to an aspect of an exemplary embodiment, a communication device of an unmanned aerial vehicle includes: an ultra-wideband (UWB) communication circuit configured to perform a UWB communication with other unmanned aerial vehicle; and a UWB communication manager configured to send transmit data to the other unmanned aerial vehicle and receive data sent by the other unmanned aerial vehicle through the UWB communication circuit, and transmit or receive shared data to be shared by unmanned aerial vehicles in a form of being appended to a distance measurement frame.

    Phase-locked loop circuit and operation method thereof
    198.
    发明授权
    Phase-locked loop circuit and operation method thereof 有权

    公开(公告)号：US12028082B2

    公开(公告)日：2024-07-02

    申请号：US17966463

    申请日：2022-10-14

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Ja Yol Lee

    IPC: H03L7/099 ,  H03L7/081 ,  H03L7/091

    CPC classification number: H03L7/0993 ,  H03L7/081 ,  H03L7/091

    Abstract: A phase-locked loop circuit includes a voltage controlled oscillator (VCO) that generates a VCO clock in response to a voltage control signal, a divider that divides the VCO clock to output a division clock, a phase-frequency error detector that receives a reference clock and outputs a first error compensation signal, a sampler that receives the reference clock and oversamples the reference clock at a rising edge or a falling edge to output a sampling clock, a window phase error detector that receives the reference clock and outputs a second error compensation signal, a residue phase error detector that outputs a third error compensation signal, an adder that accumulates the first error compensation signal, the second error compensation signal, and the third error compensation signal to output a final error compensation signal, and a loop filter that converts and output the final error compensation signal into the voltage control signal.

    Network environment synchronization apparatus and method
    199.
    发明授权
    Network environment synchronization apparatus and method 有权

    公开(公告)号：US12026181B2

    公开(公告)日：2024-07-02

    申请号：US17552328

    申请日：2021-12-15

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Joo-Young Lee ,  Ki-Jong Koo ,  Ik-Kyun Kim ,  Dae-Sung Moon ,  Kyung-Min Park

    IPC: G06F16/00 ,  G06F16/22 ,  G06F16/29

    CPC classification number: G06F16/29 ,  G06F16/2246 ,  G06F16/2255

    Abstract: Disclosed herein are a network environment synchronization apparatus and method. The network environment synchronization apparatus includes one or more processors, and execution memory for storing at least one program that is executed by the one or more processors, wherein the at least one program is configured to collect data from a network environment and generate a management structure in which collected data is distributed into preset respective group units, generate data discriminators for respective group units using a preset hash function, determine whether data of the management structure has changed with reference to data newly collected from the network environment based on the data discriminators, and when it is determined whether data of the management structure has changed, update the data of the management structure with the newly collected data.

    METHOD AND APPARATUS FOR CELL SELECTION IN COMMUNICATION
    200.
    发明公开
    METHOD AND APPARATUS FOR CELL SELECTION IN COMMUNICATION 审中-公开

    公开(公告)号：US20240214880A1

    公开(公告)日：2024-06-27

    申请号：US18391010

    申请日：2023-12-20

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Mi Young YUN

    IPC: H04W36/00 ,  H04W24/10

    CPC classification number: H04W36/0061 ,  H04W24/10 ,  H04W36/0085 ,  H04W84/06

    Abstract: A method of a terminal may comprise: obtaining, from a non-terrestrial base station, terrestrial service area information for application of a cell measurement relaxation method; receiving neighbor cell information from the non-terrestrial base station; identifying a measurement target neighbor cell based on the neighbor cell information; determining information on a service area of the measurement target neighbor cell based on the terrestrial service area information; and triggering cell measurement based on a location of the terminal and the information on the service area of the measurement target neighbor cell.

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