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    APPARATUS AND METHOD FOR ALLOCATING RESOURCES FOR SWITCHING BETWEEN MACRO CELL AND SMALL CELL IN WIRELESS COMMUNICATION SYSTEM
    21.
    发明申请
    APPARATUS AND METHOD FOR ALLOCATING RESOURCES FOR SWITCHING BETWEEN MACRO CELL AND SMALL CELL IN WIRELESS COMMUNICATION SYSTEM 审中-公开
    用于分配无线通信系统中的宏小区和小小区之间切换的资源的装置和方法

    公开(公告)号：US20160205604A1

    公开(公告)日：2016-07-14

    申请号：US14914973

    申请日：2014-08-26

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyun-Jeong KANG ,  Sun-Heui RYOO ,  Jung-Soo JUNG ,  Sang-Wook KWON ,  Jong-Hyung KWUN ,  Suk-Won KIM ,  June HWANG

    IPC: H04W36/04 ,  H04W74/08

    CPC classification number: H04W36/0072 ,  H04W36/04 ,  H04W72/0413 ,  H04W72/0426 ,  H04W72/048 ,  H04W74/0833

    Abstract: The objective of the present invention is to provide services by effectively switching, by a terminal, a macro cell and a small cell on the basis of time in a communication system in which the macro cell and the small cell coexist. A method for operating a terminal in a wireless communication system comprises the steps of: transmitting, to a first base station and/or a second base station, information on a switching delay time required for the terminal to perform cell switching; and communicating through a resource of the first base station and a resource of the second base station which are allocated by considering the switching delay time.

    Abstract translation: 本发明的目的是通过在宏小区和小小区共存的通信系统中基于时间在终端上有效地切换宏小区和小小区来提供服务。 一种用于在无线通信系统中操作终端的方法包括以下步骤：向第一基站和/或第二基站发送关于终端执行小区切换所需的切换延迟时间的信息; 以及通过考虑切换延迟时间来分配的第一基站的资源和第二基站的资源进行通信。

    SECURITY KEY GENERATION AND MANAGEMENT METHOD OF PDCP DISTRIBUTED STRUCTURE FOR SUPPORTING DUAL CONNECTIVITY
    22.
    发明申请
    SECURITY KEY GENERATION AND MANAGEMENT METHOD OF PDCP DISTRIBUTED STRUCTURE FOR SUPPORTING DUAL CONNECTIVITY 有权
    用于支持双重连接的PDCP分布式结构的安全密钥生成和管理方法

    公开(公告)号：US20160191471A1

    公开(公告)日：2016-06-30

    申请号：US14910580

    申请日：2014-08-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sun-Heui RYOO ,  Soeng-Hun KIM ,  Jung-Soo JUNG ,  Jung-Min MOON ,  Anshuman NIGAM ,  Sung-Jin LEE

    IPC: H04L29/06 ,  H04W12/04 ,  H04W12/02

    CPC classification number: H04L63/0428 ,  H04L63/062 ,  H04W12/02 ,  H04W12/04 ,  H04W36/0038

    Abstract: The present 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). A method for communicating by a user equipment with a macro cell base station and a small cell base station in a communication system is provided. The method comprises applying a first base station security key to a first communication link with the macro cell base station; generating a second base station security key to be used for a second communication link with the small cell base station based on the first base station security key; applying the second base station security key to the second communication link with the small cell base station; and communicating through at least one of the first communication link and the second communication link.

    Abstract translation: 本公开涉及提供用于支持更高数据速率的第5代（5G）或5G通信系统超越第四代（4G）通信系统，例如长期演进（LTE）。 提供了一种在通信系统中通过用户设备与宏小区基站和小小区基站进行通信的方法。 所述方法包括：将第一基站安全密钥应用于与所述宏小区基站的第一通信链路; 基于所述第一基站安全密钥生成用于与所述小小区基站的第二通信链路的第二基站安全密钥; 将第二基站安全密钥应用于与小小区基站的第二通信链路; 以及通过所述第一通信链路和所述第二通信链路中的至少一个进行通信。

    SECURITY KEY GENERATION AND MANAGEMENT METHOD OF PDCP DISTRIBUTED STRUCTURE FOR SUPPORTING DUAL CONNECTIVITY
    26.
    发明申请
    SECURITY KEY GENERATION AND MANAGEMENT METHOD OF PDCP DISTRIBUTED STRUCTURE FOR SUPPORTING DUAL CONNECTIVITY 审中-公开

    公开(公告)号：US20190386965A1

    公开(公告)日：2019-12-19

    申请号：US16557130

    申请日：2019-08-30

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sun-Heui RYOO ,  Soeng-Hun KIM ,  Jung-Soo JUNG ,  Jung-Min MOON ,  Anshuman NIGAM ,  Sung-Jin LEE

    IPC: H04L29/06 ,  H04W12/04 ,  H04W12/02

    Abstract: The present 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). A method for communicating by a user equipment with a macro cell base station and a small cell base station in a communication system is provided. The method comprises applying a first base station security key to a first communication link with the macro cell base station; generating a second base station security key to be used for a second communication link with the small cell base station based on the first base station security key; applying the second base station security key to the second communication link with the small cell base station; and communicating through at least one of the first communication link and the second communication link.

    METHOD FOR TRANSMITTING SIGNAL ON BASIS OF CLEAR CHANNEL ASSESSMENT IN UNLICENSED BAND CHANNEL, AND MOBILE COMMUNICATION SYSTEM
    29.
    发明申请
    METHOD FOR TRANSMITTING SIGNAL ON BASIS OF CLEAR CHANNEL ASSESSMENT IN UNLICENSED BAND CHANNEL, AND MOBILE COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20180220459A1

    公开(公告)日：2018-08-02

    申请号：US15749396

    申请日：2016-07-29

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seung-Hoon PARK ,  Sun-Heui RYOO ,  Jung-Min MOON

    IPC: H04W74/08 ,  H04W16/14 ,  H04W48/10 ,  H04W72/12

    CPC classification number: H04W74/0808 ,  H04W16/14 ,  H04W48/10 ,  H04W72/1273 ,  H04W74/00 ,  H04W74/08

    Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. Disclosed are: a method for transmitting a signal in an unlicensed band channel on the basis of a counter reduction in the unlicensed band channel of a mobile communication system and a clear channel assessment (CCA) of the channel; and a mobile communication system, and according to an embodiment of the present disclosure, the method for transmitting a signal in an unlicensed band channel on the basis of a counter reduction in the unlicensed band channel of a mobile communication system and a clear channel assessment (CCA) of the channel comprises the steps of: reducing the counter and performing a CCA for the channel, during a first period of transmitting a discovery signal and data; storing the reduced counter when a second period of transmitting only the discovery signal without the data is started; reducing the counter by using the stored counter and performing the CCA for the channel when a third period of transmitting the discovery signal and the data is started; and transmitting the discovery signal or the data on the channel on the basis of the counter value.

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