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    Base station and control method therefor in wireless communication system
    1.
    发明授权
    Base station and control method therefor in wireless communication system 有权

    公开(公告)号：US11528081B2

    公开(公告)日：2022-12-13

    申请号：US17265733

    申请日：2019-08-08

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Inkyu Lee ,  Jeongwoo Kim ,  Youngjin Park ,  Sanggeun Lee ,  Jungwon Lee ,  Hyungjoon Cha ,  Junyoung Choi

    IPC: H04B17/12 ,  H04B17/15 ,  H04B7/06

    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an embodiment of the present invention, a method for controlling a base station supporting a multi-antenna system may comprise the steps of: generating a plurality of test signals for a plurality of antennas in a modem; controlling the plurality of generated test signals to be fed back to the modem through a plurality of feedback paths which are formed for the plurality of antennas, respectively, and do not affect each other; and identifying the plurality of test signals fed back to the modem, on the basis of the plurality of generated test signals.

    Method for selecting reception beam in electronic device, and electronic device
    2.
    发明授权
    Method for selecting reception beam in electronic device, and electronic device 有权

    公开(公告)号：US12143194B2

    公开(公告)日：2024-11-12

    申请号：US17568233

    申请日：2022-01-04

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyoungjoo Lee ,  Sanggeun Lee ,  Juhyun Lee ,  Euichang Jung ,  Chaiman Lim

    IPC: H04B7/08 ,  H04B17/309

    Abstract: According to various embodiments, an electronic device may include: at least one antenna module including at least one antenna, and a processor configured to: control the electronic device to receive, through the at least one antenna module, a reference signal (RS) corresponding to each of frequency bands of multiple component carriers (CC) configured for carrier aggregation (CA), identify a reception signal strength of the reference signal corresponding to each of the frequency bands with regard to the multiple CCs, identify at least two CCs operating in the CA among the multiple CCs, based on reception signal strengths of multiple reference signals corresponding to the multiple CCs, and determine at least one reception beam corresponding to the at least one antenna module based on reception signal strengths of at least two reference signals corresponding to the at least two identified CCs.

    DEVICE AND METHOD FOR CHANNEL FORECAST IN WIRELESS COMMUNICATION SYSTEM
    4.
    发明申请
    DEVICE AND METHOD FOR CHANNEL FORECAST IN WIRELESS COMMUNICATION SYSTEM 有权

    公开(公告)号：US20210006989A1

    公开(公告)日：2021-01-07

    申请号：US16918420

    申请日：2020-07-01

    Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Yonsei University

    Inventor： Byungju Lee ,  Chahyeon Eom ,  Hyojin Lee ,  Chungyong Lee ,  Jaehyun Lee ,  Sanggeun Lee

    IPC: H04W24/02 ,  G06N20/00

    Abstract: The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). The method includes identifying whether a channel forecast value is valid, the channel forecast value being acquired based on applying a learning algorithm to an input comprising channel values estimated based on first reference signals (RSs) received from a base station, transmitting, to the base station, an RS request message for requesting an update of the learning algorithm, based on the determining that the channel forecast value is invalid, receiving, from the base station, second RSs of an RS density determined based on the RS request message, generating an updated learning algorithm based on channel values estimated from the second RSs, and transmitting channel forecast information acquired based on the updated learning algorithm to the base station.

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