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    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA BY USING PLURALITY OF CARRIERS IN MOBILE COMMUNICATION SYSTEMS
    51.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA BY USING PLURALITY OF CARRIERS IN MOBILE COMMUNICATION SYSTEMS 审中-公开

    公开(公告)号：US20190098571A1

    公开(公告)日：2019-03-28

    申请号：US16185774

    申请日：2018-11-09

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Soeng Hun KIM ,  Jae Hyuk JANG ,  Kyeong In JEONG

    IPC: H04W52/02 ,  H04W8/24 ,  H04W36/00

    Abstract: The method for transmitting and receiving data at a base station in a wireless communication system according to one embodiment of the present invention includes the steps of receiving a performance report from a terminal, determining whether the addition of a serving cell is necessary, when the addition of the serving cell is necessary, transmitting a request for receiving a cell identifying signal to one or more other base stations on the basis of the received performance repotand transmitting a request for transmitting the cell identifying signal to the terminal. According to the embodiment, in a network in which a small cell and a macro cell are overlapped and operated, the terminal can minimize battery consumption and quickly recognize the small cell.

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA USING PLURALITY OF CARRIERS IN MOBILE COMMUNICATION SYSTEM
    52.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA USING PLURALITY OF CARRIERS IN MOBILE COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20190014601A1

    公开(公告)日：2019-01-10

    申请号：US16131699

    申请日：2018-09-14

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Soeng Hun KIM ,  Gert Jan VAN LIESHOUT ,  Sang Bum KIM ,  Kyeong In JEONG

    IPC: H04W74/08 ,  H04W16/18

    Abstract: The present disclosure relates to 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), and may be applied to intelligent services, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method according to disclosed aspects includes receiving a first control message including a first random access response window for a first cell group, receiving a second control message for adding a second cell group, including information on a second random access response window size for the second cell group, transmitting, on a cell of the second cell group, a random access preamble, and monitoring, on the cell of the second cell group, a random access response based on the second random access response window size for the second cell group.

    METHOD AND APPARATUS FOR CALCULATING POWER HEADROOM IN CARRIER AGGREGATION MOBILE COMMUNICATION SYSTEM
    56.
    发明申请
    METHOD AND APPARATUS FOR CALCULATING POWER HEADROOM IN CARRIER AGGREGATION MOBILE COMMUNICATION SYSTEM 审中-公开
    移动通信移动通信系统中计算功率方法的方法与装置

    公开(公告)号：US20160037464A1

    公开(公告)日：2016-02-04

    申请号：US14879091

    申请日：2015-10-08

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Soeng Hun KIM ,  Kyeong In JEONG ,  Sang Bum KIM ,  Gert-Jan Van LIESHOUT

    IPC: H04W52/36 ,  H04W72/04

    CPC classification number: H04W52/365 ,  H04L5/001 ,  H04W52/367 ,  H04W72/0413 ,  H04W84/045

    Abstract: A power headroom calculation method and apparatus of a User Equipment (UE) are provided for a primary cell Power Headroom (PH) calculation in a Long Term Evolution-Advanced (LTE-A) mobile communication system. The method includes determining whether an activated serving cell includes uplink data and/or uplink control signal to be transmitted, and determining PH of the activated serving cell according to whether the activated serving cell has the uplink data and/or uplink control signal.

    Abstract translation: 在长期演进 - 高级（LTE-A）移动通信系统中为主单元功率余量（PH）计算提供用户设备（UE）的功率余量计算方法和装置。 该方法包括确定激活的服务小区是否包括要发送的上行链路数据和/或上行链路控制信号，以及根据激活的服务小区是否具有上行链路数据和/或上行链路控制信号来确定激活的服务小区的PH。

    METHOD AND APPARATUS FOR APPLYING A TIME ALIGNMENT TIMER IN A WIRELESS COMMUNICATION SYSTEM USING A CARRIER AGGREGATION TECHNIQUE
    57.
    发明申请
    METHOD AND APPARATUS FOR APPLYING A TIME ALIGNMENT TIMER IN A WIRELESS COMMUNICATION SYSTEM USING A CARRIER AGGREGATION TECHNIQUE 有权

    公开(公告)号：US20160021630A1

    公开(公告)日：2016-01-21

    申请号：US14860112

    申请日：2015-09-21

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jae Hyuk JANG ,  Soeng Hun KIM ,  Kyeong In JEONG ,  Boon Loong NG ,  Gert-Jan VAN LIESHOUT

    IPC: H04W56/00 ,  H04W74/08

    CPC classification number: H04W56/001 ,  H04W36/04 ,  H04W48/12 ,  H04W56/0005 ,  H04W56/0045 ,  H04W64/00 ,  H04W74/0833 ,  Y02D70/126 ,  Y02D70/20

    Abstract: The present invention involves defining the operation of a terminal for determining which time alignment timer is to be applied to a certain condition when specific time alignment timers operate for each carrier-wave group in the event a wireless communication system uses a carrier aggregation technique. According to the present invention, a terminal may perform communication without malfunctions using a time alignment timer suitable for a certain condition. In detail, a method for a terminal to operate a time alignment timer according to the present invention comprises the steps of: receiving, from a base station, a message including a timing advance command and an index on a timing advance group (TAG); and operating the time alignment timer for the TAG, wherein the index has a value of 00 when the TAG includes a first cell. In the meantime, a method for a terminal to operate a time alignment timer according to the present invention comprises the steps of: operating a first time alignment timer for a first timing advance group (TAG) including a first cell; operating a second time alignment timer upon receipt of a timing advance command for a second TAG that does not include the first cell; and, if the first time alignment timer has expired, deeming the second time alignment timer to also be expired. In addition, a method for a base station to control a time alignment timer according to the present invention comprises the steps of: determining whether or not an uplink timing of a terminal needs correction; and transmitting a message including a timing advance command and an index on a timing advance group (TAG), wherein the index has a value of 00 when the TAG includes a first cell.

    POWER HEADROOM REPORT METHOD AND APPARATUS FOR MOBILE COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION
    58.
    发明申请
    POWER HEADROOM REPORT METHOD AND APPARATUS FOR MOBILE COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION 审中-公开
    移动通信系统支持运营商聚焦的电力报告方法与装置

    公开(公告)号：US20150382313A1

    公开(公告)日：2015-12-31

    申请号：US14850538

    申请日：2015-09-10

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Soeng Hun KIM ,  Kyeong In JEONG ,  Sang Bum KIM ,  Gert-Jan VAN LIESHOUT

    IPC: H04W52/36 ,  H04W24/10

    CPC classification number: H04W52/365 ,  H04W24/10 ,  H04W52/242 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/0473

    Abstract: A Power Headroom Report (PHR) method and apparatus in a communication system are provided. The method includes acquiring information for a path loss reference, wherein the information for the path loss reference indicates whether the UE applies as the path loss reference either a downlink of a primary cell or a downlink of a secondary cell (SCell), triggering a power headroom report (PHR) if a path loss is changed more than a threshold for at least one activated cell which is used as the path loss reference, and obtaining power headroom information for each activated cell, if extended PHR is used and an uplink resource is allocated for new transmission.

    Abstract translation: 提供了通信系统中的功率余量报告（PHR）方法和装置。 该方法包括获取路径损耗参考的信息，其中用于路径损耗参考的信息指示UE是否将基站的下行链路或辅助小区的下行链路（SCell）应用于路径损耗参考，触发功率 如果对于至少一个用作路径损耗参考的激活小区的路径损耗改变超过阈值，并且如果使用扩展的PHR并且上行链路资源是，则为每个激活的小区获得功率余量信息，净空报告（PHR） 分配新的传输。

    METHOD AND APPARATUS FOR REPORTING POWER HEADROOM INFORMATION IN MOBILE COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION
    60.
    发明申请
    METHOD AND APPARATUS FOR REPORTING POWER HEADROOM INFORMATION IN MOBILE COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION 审中-公开
    移动通信系统中报告功率信息的方法与装置支持载波聚合

    公开(公告)号：US20150351053A1

    公开(公告)日：2015-12-03

    申请号：US14824818

    申请日：2015-08-12

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kyeong In JEONG ,  Sang Bum KIM ,  Soeng Hun KIM ,  Gert-Jan VAN LIESHOUT

    IPC: H04W52/36 ,  H04W24/10

    CPC classification number: H04W52/365 ,  H04W24/10 ,  H04W52/143 ,  H04W52/34 ,  H04W52/367 ,  H04W72/1284

    Abstract: A method and apparatus for transmitting a power headroom (PH) report by a terminal in a mobile communication system supporting carrier aggregation are provided. The method includes determining a first maximum transmission power for a first serving cell of multiple activated serving cells based on uplink transmission of at least one other serving cell if the first serving cell transmits a physical uplink shared channel (PUSCH), determining a second maximum transmission power for a first serving cell of the multiple activated serving cells without consideration of uplink transmission of at least one other serving cell if the first serving cell does not transmit a PUSCH, calculating a PH for the first serving cell based on the first maximum transmission power or the second maximum transmission power, and transmitting, to a base station, an extended PH report including respective calculated PHs of the multiple activated serving cells on one of the multiple activated serving cells.

    Abstract translation: 提供一种用于在支持载波聚合的移动通信系统中由终端发送功率余量（PH）报告的方法和装置。 该方法包括：如果第一服务小区发送物理上行链路共享信道（PUSCH），则基于至少一个其他服务小区的上行链路传输确定多个激活的服务小区的第一服务小区的第一最大发射功率，确定第二最大传输 如果第一服务小区不发送PUSCH，则不考虑至少一个其他服务小区的上行链路传输的多个激活的服务小区的第一服务小区的功率，基于第一最大传输功率计算第一服务小区的PH 或第二最大发送功率，并且向多个激活的服务小区中的一个发送包括多个激活的服务小区的相应计算的PH的扩展PH报告给基站。

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