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    CELLULAR COMMUNICATION SYSTEM AND COMMUNICATION METHOD THEREOF
    12.
    发明申请
    CELLULAR COMMUNICATION SYSTEM AND COMMUNICATION METHOD THEREOF 有权
    蜂窝通信系统及其通信方法

    公开(公告)号：US20130344879A1

    公开(公告)日：2013-12-26

    申请号：US13851541

    申请日：2013-03-27

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Keun Young KIM ,  Seung-Hwan LEE ,  Dong Seung KWON

    IPC: H04W76/02 ,  H04W72/04

    CPC classification number: H04W76/14 ,  H04W16/26 ,  H04W72/0406 ,  H04W72/042

    Abstract: Disclosed is a cellular communication system allowing direct communication between terminals within a cell or simultaneous transmission and reception of signals between a base station and the terminals through a repeater to be made by introducing a universal link, and a communication method thereof. The communication method of the cellular communication system includes: transmitting, by a base station, universal link setting information and a transmission control signal to a first terminal within a cell, transmitting, by the base station, the universal link setting information and a reception control signal to a second terminal within the cell, and directly transmitting/receiving, by the first and second terminals, signals through the universal link.

    Abstract translation: 公开了允许在小区内的终端之间进行直接通信的蜂窝通信系统，以及通过引入通用链路来进行基站和终端之间的信号的同时发送和接收，以及通信方法。 蜂窝通信系统的通信方法包括：由基站将通用链路设定信息和发送控制信号发送到小区内的第一终端，由基站发送通用链路设定信息和接收控制 信号发送到小区内的第二终端，并且由第一和第二终端通过通用链路直接发送/接收信号。

    MULTIMODE TERMINAL AND METHOD FOR RELAYING MOBILE COMMUNICATION USING THE SAME
    13.
    发明申请
    MULTIMODE TERMINAL AND METHOD FOR RELAYING MOBILE COMMUNICATION USING THE SAME 有权
    多模终端和使用该方法来移动移动通信的方法

    公开(公告)号：US20130331093A1

    公开(公告)日：2013-12-12

    申请号：US13718520

    申请日：2012-12-18

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Yunhee CHO ,  Jae Su SONG ,  Seung-Hwan LEE ,  Dong Seung KWON

    IPC: H04B7/14 ,  H04W88/06 ,  H04W88/04

    CPC classification number: H04B7/14 ,  H04W88/04 ,  H04W88/06

    Abstract: Disclosed are a multimode terminal that may simultaneously enhance utilization of a device and efficiency of a network by enabling a mobile terminal supporting a plurality of communication schemes to additionally support a relay function, and a method of relaying communication using the multimode terminal. A communication relay method of a multimode terminal according to an exemplary embodiment of the present disclosure includes: searching, by a base station, for terminals that support a plurality of communication schemes; selecting, by the base station from among the searched terminals, a relay terminal that satisfies a predetermined condition for performing a multimode relay function; requesting, by the base station, the relay terminal to perform the multimode relay function; and relaying, by the relay terminal in response to the request of the base station, communication between the base station and a target terminal.

    Abstract translation: 公开了一种多模终端，其可以通过支持支持多个通信方案的移动终端额外支持中继功能来同时增强设备的利用和网络的效率，以及使用多模终端中继通信的方法。 根据本公开的示例性实施例的多模终端的通信中继方法包括：由基站搜索支持多个通信方案的终端; 由所述基站从所搜索的终端中选择满足用于执行多模式中继功能的预定条件的中继终端; 由基站请求中继终端执行多模中继功能; 并且由中继终端响应于基站的请求中继基站与目标终端之间的通信。

    APPARATUS AND METHOD FOR ADJUSTING ENVELOPE SIGNAL DELAY IN ENVELOPE-TRACKING POWER AMPLIFIER
    17.
    发明申请
    APPARATUS AND METHOD FOR ADJUSTING ENVELOPE SIGNAL DELAY IN ENVELOPE-TRACKING POWER AMPLIFIER 有权
    用于调节信号跟踪功率放大器中的信号延迟的装置和方法

    公开(公告)号：US20160218679A1

    公开(公告)日：2016-07-28

    申请号：US14996809

    申请日：2016-01-15

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Seung Hyun JANG ,  Bong Hyuk PARK ,  Nam Sik RYU ,  Dong Seung KWON

    IPC: H03F1/02 ,  H03F3/21 ,  H03F3/19

    CPC classification number: H03F1/0222 ,  H03F3/19 ,  H03F3/245 ,  H03F2200/102 ,  H03F2200/451 ,  H03G3/30 ,  H03G3/3005

    Abstract: Provided is an apparatus for adjusting an envelope signal delay in an envelope-tracking power amplifier. The apparatus includes: an envelope signal providing unit configured to provide an envelope signal; a variable negative group delay unit configured to adjust a group delay of the envelope signal received from the envelope signal providing unit and output the adjusted envelope signal; an envelope modulator configured to modulate the envelope signal outputted from the variable negative group delay unit; a group delay difference detecting unit configured to detect a group delay difference between the envelope signal which is outputted from the envelope signal providing unit and the envelope signal which is outputted from the envelope modulator; and a control signal generating unit configured to generate a control signal to control a group delay value of the variable negative group delay unit according to the group delay difference.

    Abstract translation: 提供了一种用于调整包络跟踪功率放大器中的包络信号延迟的装置。 该装置包括：包络信号提供单元，被配置为提供包络信号; 可变负组延迟单元，被配置为调整从包络信号提供单元接收的包络信号的组延迟并输出调整的包络信号; 包络调制器，被配置为调制从所述可变负组延迟单元输出的包络信号; 组延迟差检测单元，被配置为检测从包络信号提供单元输出的包络信号与从包络调制器输出的包络信号之间的组延迟差; 以及控制信号生成单元，被配置为根据组延迟差产生控制信号以控制可变负组延迟单元的组延迟值。

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