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    DATA OFFLOADING METHOD
    2.
    发明申请
    DATA OFFLOADING METHOD 有权
    数据卸载方法

    公开(公告)号：US20150148046A1

    公开(公告)日：2015-05-28

    申请号：US14484424

    申请日：2014-09-12

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Soon Yong LIM ,  Mi Jeong YANG

    IPC: H04W36/22 ,  H04W88/02 ,  H04W88/16 ,  H04W28/08

    CPC classification number: H04W36/22 ,  H04W28/085 ,  H04W36/0011 ,  H04W36/04 ,  H04W48/00 ,  H04W76/00 ,  H04W76/15 ,  H04W76/34 ,  H04W84/045

    Abstract: A method of offloading data is provided by a UE. The UE receives data from a macro cell base station over an MC-RB while an E-RAB between the macro cell base station and a gateway is established. The UE receives a first connection reconfiguration message from the macro cell base station after the E-RAB between a small cell base station and the gateway is established, and establishes an SC-RB according to the first connection reconfiguration message. Next, the UE receives a second connection reconfiguration message from the macro cell base station after a path between the macro cell base station and the gateway is switched to a path between the small cell base station and the gateway, and data for the MC-RB are exhausted on the macro cell base station. Then, the UE releases the MC-RB and switches to the SC-RB.

    Abstract translation: 一种卸载数据的方法由UE提供。 UE通过MC-RB从宏小区基站接收数据，同时建立宏小区基站与网关之间的E-RAB。 在建立小小区基站和网关的E-RAB建立后，UE从宏小区基站接收第一连接重配置消息，并根据第一连接重配置消息建立SC-RB。 接下来，在宏小区基站和网关之间的路径被切换到小小区基站与网关之间的路径之后，UE从宏小区基站接收到第二连接重配置消息，并且MC-RB的数据 在宏小区基站上耗尽。 然后，UE释放MC-RB并切换到SC-RB。

    METHOD OF PROVIDING SERVICE CONTINUITY BETWEEN CELLULAR COMMUNICATION AND DEVICE-TO-DEVICE COMMUNICATION
    3.
    发明申请
    METHOD OF PROVIDING SERVICE CONTINUITY BETWEEN CELLULAR COMMUNICATION AND DEVICE-TO-DEVICE COMMUNICATION 有权
    提供细胞通信与设备到设备通信之间的服务连续性的方法

    公开(公告)号：US20140162633A1

    公开(公告)日：2014-06-12

    申请号：US14090390

    申请日：2013-11-26

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： You Sun HWANG ,  Kwang Ryul JUNG ,  Mi Jeong YANG ,  Hyung Deug BAE ,  Soon Yong LIM ,  Moon Soo JANG ,  Hyeong Jun PARK ,  Nam Hoon PARK

    IPC: H04W36/32 ,  H04W36/00 ,  H04W76/02

    CPC classification number: H04W76/023 ,  H04W8/005 ,  H04W76/14 ,  H04W76/23

    Abstract: A method of providing service continuity between cellular communication and device-to-device communication is disclosed. A procedure for switching between cellular communication and device-to-device communication according to an example embodiment of the present invention may include transferring, by a gateway, a D2D bearer creation request message to an MME, transferring, by the MME, the D2D bearer creation request message to a base station, mapping, by the base station, D2D bearer QoS to D2D radio bearer QoS and transmitting an RRC connection reconfiguration message to terminals, receiving, by the base station, an RRC connection reconfiguration completion message indicating creation of a D2D radio bearer from the terminals, transmitting, by the base station, a D2D bearer creation response message indicating creation of a D2D bearer to the MME, and transferring, by the MME, the D2D bearer creation response message to the gateway.

    Abstract translation: 公开了一种提供蜂窝通信与设备到设备之间通信的连续性的方法。 根据本发明的示例性实施例的用于蜂窝通信和设备到设备之间切换的过程可以包括由网关向MME传送D2D承载创建请求消息，由MME将所述D2D承载 创建请求消息到基站，由基站将D2D承载QoS映射到D2D无线电承载QoS，并向终端发送RRC连接重配置消息，由基站接收指示创建一个或多个UE的RRC连接重配置完成消息 D2D无线电承载，由基站向MME发送指示创建D2D承载的D2D承载创建响应消息，并由MME向网关发送D2D承载创建响应消息。

    LINK ADAPTATION TRANSMISSION AND RECEPTION METHOD IN DEVICE-TO-DEVICE COMMUNICATION BASED CELLULAR MOBILE COMMUNICATION SYSTEM
    7.
    发明申请
    LINK ADAPTATION TRANSMISSION AND RECEPTION METHOD IN DEVICE-TO-DEVICE COMMUNICATION BASED CELLULAR MOBILE COMMUNICATION SYSTEM 有权
    基于设备到设备通信的蜂窝移动通信系统中的链路适配传输和接收方法

    公开(公告)号：US20140087744A1

    公开(公告)日：2014-03-27

    申请号：US14036830

    申请日：2013-09-25

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Mi Jeong YANG ,  Soon Yong LIM ,  Hyeong Jun PARK ,  Nam Hoon PARK

    IPC: H04W76/04

    CPC classification number: H04W76/043 ,  H04W76/14 ,  H04W76/23

    Abstract: Provided is a link adaptation transmission and reception method in device-to-device (D2D) communication based on cellular mobile communication. An operation method of a terminal in the link adaptation method according to the present invention includes receiving information related to a first transmission through a D2D link, performing transmission for an opposite terminal using the information related to the first transmission, and determining information related to a second transmission after the transmission based on reception from the opposite terminal. Using the link adaptation method according to the present invention, an adaptive modulation and coding scheme may be provided at the time of data transmission on a D2D link while minimizing control of a base station, thereby reducing the complexity of a cellular network due to the D2D communication.

    Abstract translation: 提供了一种基于蜂窝移动通信的设备到设备（D2D）通信中的链路自适应发送和接收方法。 根据本发明的链路自适应方法中的终端的操作方法包括：通过D2D链路接收与第一传输相关的信息，使用与第一传输相关的信息对相对终端进行传输，以及确定与 基于从对端接收的发送后的第二传输。 使用根据本发明的链路自适应方法，可以在D2D链路上的数据传输时提供自适应调制和编码方案，同时最小化对基站的控制，从而降低由于D2D造成的蜂窝网络的复杂性 通讯。

    DIRECT COMMUNICATION METHOD OF TERMINAL, METHOD OF CONTROLLING D2D COMMUNICATION, AND TERMINAL DEVICE
    8.
    发明申请
    DIRECT COMMUNICATION METHOD OF TERMINAL, METHOD OF CONTROLLING D2D COMMUNICATION, AND TERMINAL DEVICE 审中-公开
    终端的直接通信方法，控制D2D通信的方法和终端设备

    公开(公告)号：US20140080494A1

    公开(公告)日：2014-03-20

    申请号：US14026601

    申请日：2013-09-13

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Soon Yong LIM ,  Mi Jeong YANG

    IPC: H04W72/04

    CPC classification number: H04W72/042

    Abstract: Provided are a direct communication method of a terminal, a method of controlling device-to-device (D2D) communication, and a terminal device. The direct communication method of a terminal includes receiving downlink control information (DCI) from an evolved node base-station (eNB), extracting D2D transmission (Tx) or reception (Rx) grant information including a D2D pairing identity (ID) given to the terminal according to each D2D pair from the DCI, and performing data transmission or reception with a counterpart terminal according to Tx or Rx conditions set according to the D2D pairing ID.

    Abstract translation: 提供终端的直接通信方法，控制设备到设备（D2D）通信的方法和终端设备。 终端的直接通信方法包括从演进节点基站（eNB）接收下行链路控制信息（DCI），提取D2D发送（Tx）或接收（Rx）准许信息，该信息包括给予该UE的D2D配对标识（ID） 根据来自DCI的每个D2D对，根据根据D2D配对ID设置的Tx或Rx条件，与对方终端执行数据发送或接收。

    METHOD AND APPARATUS FOR RANDOM ACCESS IN COMMUNICATION SYSTEM
    10.
    发明申请
    METHOD AND APPARATUS FOR RANDOM ACCESS IN COMMUNICATION SYSTEM 有权

    公开(公告)号：US20220225417A1

    公开(公告)日：2022-07-14

    申请号：US17531918

    申请日：2021-11-22

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Soon Yong LIM ,  Mi Jeong YANG ,  Jae Sheung SHIN ,  Sung Min OH

    IPC: H04W74/08

    Abstract: A method of operating a terminal in a communication system may include: receiving a message including first configuration information for a low-latency random access procedure from a base station; transmitting MsgA to the base station on the basis of the first configuration information; retransmitting the MsgA when MsgB, which is a response to the MsgA, is not received; and completing the random access procedure on the basis of information included in the MsgB when the MsgB is received in a section corresponding to the maximum number of low-latency transmissions indicated by first information included in the first configuration information.

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