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    METHOD AND APPARATUS FOR DETERMINING UPLINK TRANSMISSION TIMING
    2.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING UPLINK TRANSMISSION TIMING 审中-公开

    公开(公告)号：US20190053182A1

    公开(公告)日：2019-02-14

    申请号：US16100863

    申请日：2018-08-10

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sangwon CHOI ,  Peng XUE ,  Hyunkyu YU ,  Hyunseok RYU

    IPC: H04W56/00 ,  H04W72/04

    Abstract: The present disclosure relates to a communication technique that combines a 5G communication system for supporting a data rate that is higher than that of a beyond 4G system with IoT technology, and a system thereof. The present disclosure may be applied to intelligent services on the basis of 5G communication technology and IoT related technology, such as smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services. The present disclosure relates to a method and an apparatus for operations of a terminal and a base station to transmit an uplink signal in a communication system, and more particularly, to a method by a base station for generating timing advance information for uplink transmission of a terminal and a reception method by the terminal.

    METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SYNCHRONIZATION SIGNAL IN DEVICE-TO-DEVICE COMMUNICATION SYSTEM
    4.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SYNCHRONIZATION SIGNAL IN DEVICE-TO-DEVICE COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20190200312A1

    公开(公告)日：2019-06-27

    申请号：US16288845

    申请日：2019-02-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyunseok RYU ,  Peng XUE ,  Seunghoon PARK ,  Sangwon CHOI

    IPC: H04W56/00 ,  H04W72/12 ,  H04W76/14 ,  H04W72/04

    CPC classification number: H04W56/0015 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/1289 ,  H04W76/14

    Abstract: The present disclosure relates to a pre-fifth generation (5G) or 5G communication system to be provided for supporting higher data rates beyond fourth generation (4G) communication system such as long term evolution (LTE).A synchronization signal transmission/reception method for use in a device-to-device (D2D) communication system is provided. A method of transmitting a synchronization signal for D2D communication in an asynchronous network, in which a first terminal located in a first cell controls synchronization with a second terminal located outside of the first cell, includes transmitting, at the first cell, a system information block (SIB) including resource allocation information of the first cell and at least one neighboring cell, determining whether the first terminal is in a first mode and whether the first terminal is scheduled to perform one of a D2D communication and a D2D discovery; determining, when the first terminal is in the first mode, whether the first terminal is required to transmit a D2D synchronization signal (D2DSS); and transmitting, when the first terminal is required to transmit the D2DSS, scheduling information including a transmission time point and transmission reference timing information to the first terminal.

    SYNCHRONIZATION PROCEDURE AND RESOURCE CONTROL METHOD AND APPARATUS FOR COMMUNICATION IN D2D SYSTEM
    5.
    发明申请
    SYNCHRONIZATION PROCEDURE AND RESOURCE CONTROL METHOD AND APPARATUS FOR COMMUNICATION IN D2D SYSTEM 有权

    公开(公告)号：US20210022097A1

    公开(公告)日：2021-01-21

    申请号：US17064956

    申请日：2020-10-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seunghoon PARK ,  Hyunseok RYU ,  Peng XUE ,  Chiwoo LIM ,  Sangwon CHOI

    IPC: H04W56/00 ,  H04W8/00 ,  H04W72/10

    Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data rate in comparison to the 4G communication system, such as long term evolution (LTE). A method for a terminal to establish synchronization with another terminal in a network supporting device-to-device (D2D) communication is provided. The method includes scanning, at the terminal, for synchronization signals from at least one base station, acquiring, when a synchronization signal is received from a base station, synchronization with the base station based on the synchronization signal, measuring power of the synchronization signal received from the base station, and transmitting, when data to be transmitted are generated in idle mode and the received signal power is less than a received signal power, a synchronization signal as a synchronization relaying terminal.

    METHOD AND DEVICE FOR TRANSMITTING POWER HEADROOM INFORMATION IN COMMUNICATION SYSTEM
    6.
    发明申请
    METHOD AND DEVICE FOR TRANSMITTING POWER HEADROOM INFORMATION IN COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20200037269A1

    公开(公告)日：2020-01-30

    申请号：US16496320

    申请日：2018-03-22

    Applicant: Samsung Electronics Co., Ltd

    Inventor： Hyunseok RYU ,  Jaewon KIM ,  Hyunkyu YU ,  Sangwon CHOI ,  Kuyeon WHANG

    IPC: H04W52/36 ,  H04B7/06

    Abstract: The present disclosure relates to a communication technique which combines IoT technology with a 5G communication system for supporting a higher data transfer rate than existing 4G systems, and a system thereof. The present disclosure can be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or a connected car, and services related to health care, digital education, retail business, security and safety, etc.) on the basis of 5G communication technology and IoT-related technology. The present method provides a power headroom information transmission method of a terminal, the headroom information transmission method including: a step of determining whether to transmit second power headroom information, on the basis of information about each beam included in first power headroom information, in a wireless communication system supporting beamforming; and a step of transmitting the second power headroom information to a base station when the transmission of the second power headroom information is determined.

    METHOD AND DEVICE FOR CONTROLLING TRANSMISSION POWER OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM
    9.
    发明申请
    METHOD AND DEVICE FOR CONTROLLING TRANSMISSION POWER OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM 有权

    公开(公告)号：US20210314877A1

    公开(公告)日：2021-10-07

    申请号：US17352929

    申请日：2021-06-21

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyunseok RYU ,  Peng XUE ,  Hyunkyu YU ,  Sangwon CHOI ,  Kuyeon WHANG

    IPC: H04W52/24 ,  H04W76/27 ,  H04L5/00 ,  H04W72/04

    Abstract: Disclosed are a communication technique for merging, with IoT technology, a 5G communication system supporting a data transmission rate higher than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety related services, and the like) on the basis of 5G communication technology and IoT-related technology. According to one embodiment of the present specification, a communication method of a terminal in a mobile communication system comprises the steps of: receiving, from a base station, first information related to the number of reference signal resources for path loss identification, receiving, from the base station, downlink control information including second information indicating a reference signal resource to be used for the path loss identification, identifying a path loss on the basis of reference signal received power (RSRP) identified on the basis of the second information, and transmitting an uplink signal to the base station on the basis of the identified path loss.

    METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SYNCHRONIZATION SIGNAL IN DEVICE-TO-DEVICE COMMUNICATION SYSTEM
    10.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SYNCHRONIZATION SIGNAL IN DEVICE-TO-DEVICE COMMUNICATION SYSTEM 有权

    公开(公告)号：US20210144665A1

    公开(公告)日：2021-05-13

    申请号：US17154446

    申请日：2021-01-21

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyunseok RYU ,  Peng XUE ,  Seunghoon PARK ,  Sangwon CHOI

    IPC: H04W56/00 ,  H04W76/14 ,  H04W72/04 ,  H04W72/12

    Abstract: The present disclosure relates to a pre-5G or 5G communication system to be provided for supporting higher data rates beyond 4G communication system such as LTE. A method of transmitting a synchronization signal for device-to-device (D2D) communication in an asynchronous network is provided. The method includes transmitting, at the first cell, a system information block (SIB) including resource allocation information of a first cell and at least one neighboring cell, determining whether a first terminal is in a first mode and whether the first terminal is scheduled to perform one of a D2D communication and a D2D discovery, determining, when the first terminal is in the first mode, whether the first terminal is required to transmit a D2D synchronization signal (D2DSS), and transmitting, when the first terminal is required to transmit the D2DSS, scheduling information including a transmission time point and transmission reference timing information to the first terminal.

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