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    Method and device for transmitting power headroom information in communication system
    1.
    发明授权
    Method and device for transmitting power headroom information in communication system 有权

    公开(公告)号：US11304155B2

    公开(公告)日：2022-04-12

    申请号：US17112834

    申请日：2020-12-04

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyunseok Ryu ,  Jaewon Kim ,  Hyunkyu Yu ,  Sangwon Choi ,  Kuyeon Whang

    IPC: H04L1/02 ,  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.

    Synchronization procedure and resource control method and apparatus for communication in D2D system
    3.
    发明授权
    Synchronization procedure and resource control method and apparatus for communication in D2D system 有权

    公开(公告)号：US10805891B2

    公开(公告)日：2020-10-13

    申请号：US14864009

    申请日：2015-09-24

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seunghoon Park ,  Hyunseok Ryu ,  Peng Xue ,  Chiwoo Lim ,  Sangwon Choi

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

    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.

    SIGNAL TRANSMISSION/RECEPTION METHOD AND APPARATUS OF D2D TERMINAL
    5.
    发明申请
    SIGNAL TRANSMISSION/RECEPTION METHOD AND APPARATUS OF D2D TERMINAL 有权
    D2D终端的信号传输/接收方法和设备

    公开(公告)号：US20160044652A1

    公开(公告)日：2016-02-11

    申请号：US14820429

    申请日：2015-08-06

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Peng Xue ,  Hyunseok Ryu ,  Seunghoon Park ,  Sangwon Choi

    IPC: H04W72/04 ,  H04W56/00 ,  H04W76/04 ,  H04W76/02 ,  H04W74/00

    CPC classification number: H04W72/048 ,  H04W56/001 ,  H04W74/006 ,  H04W76/14 ,  H04W76/27 ,  H04W76/28

    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. A terminal includes a transceiver configured to transmit or receive signals, and a controller configured to determine whether a current subframe is a subframe in which the terminal has to monitor a PDCCH, in response to the current subframe not being the subframe, determine whether a discovery pool for the terminal exists, and when the discovery pool for the terminal exists, operate a D2D discovery operation in the current subframe.

    Abstract translation: 本公开涉及用于利用物联网（IoT）技术来融合第五代（5G）通信系统以用于支持超过第四代（4G）系统的更高数据速率的通信方法和系统。 本发明可以应用于基于5G通信技术和智能家居，智能建筑，智能城市，智能汽车，连接汽车，医疗保健，数字教育，智能零售，安全和智能汽车的IoT相关技术的智能服务， 安全服务。 终端包括被配置为发送或接收信号的收发机，以及控制器，被配置为响应于当前子帧不是子帧来确定当前子帧是否是终端必须监视PDCCH的子帧，确定是否发现 存在用于终端的池，并且当终端的发现池存在时，在当前子帧中操作D2D发现操作。

    CONTENTION-BASED RESOURCE ALLOCATION METHOD AND APPARATUS FOR LOW POWER D2D COMMUNICATION
    6.
    发明申请
    CONTENTION-BASED RESOURCE ALLOCATION METHOD AND APPARATUS FOR LOW POWER D2D COMMUNICATION 有权
    基于内容的资源分配方法和低功耗D2D通信的设备

    公开(公告)号：US20150271786A1

    公开(公告)日：2015-09-24

    申请号：US14665943

    申请日：2015-03-23

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Peng Xue ,  Seunghoon Park ,  Hyunseok Ryu ,  Jeongho Park ,  Sangwon Choi

    IPC: H04W72/04

    CPC classification number: H04W74/0816 ,  H04W76/14 ,  H04W92/18 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/162 ,  Y02D70/21 ,  Y02D70/22 ,  Y02D70/23

    Abstract: A contention-based resource allocation method and apparatus is provided for use in a low power Device-to-Device (D2D) communication. The resource allocation method of a Device-to-Device (D2D) terminal of the present disclosure includes selecting an available resource in a frame, monitoring to detect a signal is received while a backoff timer is running, and performing, when no signal is received on the available resource before expiry of the backoff timer, a D2D communication using the available resource.

    Abstract translation: 提供了一种用于低功率设备到设备（D2D）通信的基于竞争的资源分配方法和装置。 本公开的设备到设备（D2D）终端的资源分配方法包括选择帧中的可用资源，监视以检测在退避定时器运行时接收的信号，并且当没有接收到信号时执行 在退货定时器到期之前的可用资源上，使用可用资源的D2D通信。

    Method and device for controlling transmission power of terminal in wireless communication system
    10.
    发明授权
    Method and device for controlling transmission power of terminal in wireless communication system 有权

    公开(公告)号：US11044677B2

    公开(公告)日：2021-06-22

    申请号：US16609600

    申请日：2018-05-02

    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.

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