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    • 13. 发明申请
    • PRIORITY-BASED DATA TRANSMISSION METHOD IN A PEER-TO-PEER COMMUNICATION SYSTEM
    • 对等通信系统中基于优先级的数据传输方法
    • US20140140296A1
    • 2014-05-22
    • US14131386
    • 2012-07-11
    • Jinsoo ChoiHangyu ChoJiwoong JangDongcheol Kim
    • Jinsoo ChoiHangyu ChoJiwoong JangDongcheol Kim
    • H04W72/12
    • H04W72/1247H04J11/0036H04L1/1887H04L5/0007H04L5/0055H04W88/06
    • The present invention relates to a wireless access system, and more particularly, to methods for transceiving data in a peer-to-peer (P2P) communication system, and to apparatuses for supporting the methods. According to one embodiment of the present invention, a method for transmitting data from a first device, which is a peer device in a P2P communication system, comprises the steps of: receiving an acknowledgement signal broadcast from a second device; comparing the priority of a P2P communication link of the second device and the priority of a P2P communication link of the first device on the basis of a resource region in which the acknowledgement signal is broadcast; and determining, by the first device on the basis of the first priority, whether or not to transmit the data or make a concession to data transmission.
    • 无线接入系统技术领域本发明涉及一种无线接入系统,更具体地,涉及用于在对等(P2P)通信系统中收发数据的方法以及用于支持所述方法的设备。 根据本发明的一个实施例,一种用于从作为P2P通信系统中的对等设备的第一设备发送数据的方法包括以下步骤:从第二设备接收广播的确认信号; 根据广播确认信号的资源区域,比较第二装置的P2P通信链路的优先级和第一装置的P2P通信链路的优先级; 以及由所述第一设备基于所述第一优先级来确定是否传送所述数据或对数据传输作出让步。
    • 16. 发明申请
    • METHOD FOR PERFORMING HANDOVER DURING DEVICE-TO-DEVICE COMMUNICATION IN WIRELESS ACCESS SYSTEM AND DEVICE FOR SAME
    • 在无线接入系统中的设备到设备通信期间执行切换的方法和用于其的设备的方法
    • US20140135019A1
    • 2014-05-15
    • US14125845
    • 2012-07-16
    • Jiwoong JangHangyu Cho
    • Jiwoong JangHangyu Cho
    • H04W36/00H04W88/04H04W36/30
    • H04W36/0016H04W36/30H04W76/23H04W88/04
    • A method and apparatus for performing a handover during a device-to-device communication in a wireless access system are disclosed. More particularly, the method comprises: a first device sensing a handover state by considering a link quality with a second device while performing device-to-device communication with the second device; the first device measuring channel quality with respect to neighboring devices by using a reference signal that is transmitted from the neighboring devices; the first device transmitting a handover request message to a relay device in order to start handover the relay device selected from the neighboring devices based on measuring channel quality; the first device receiving from the relay device a handover completion message indicating the completion of resource allocation; and the first device performing the device-to-device communication with the second device by using a resource that is allocated by the relay device.
    • 公开了一种在无线接入系统中的设备到设备通信期间执行切换的方法和装置。 更具体地,该方法包括:第一设备,在与第二设备进行设备到设备通信的同时考虑与第二设备的链路质量来感测切换状态; 第一设备通过使用从相邻设备发送的参考信号来测量相邻设备的信道质量; 第一设备向中继设备发送切换请求消息,以便基于测量信道质量从相邻设备选择的中继设备开始切换; 所述第一设备从所述中继设备接收指示完成资源分配的切换完成消息; 以及所述第一设备通过使用由所述中继设备分配的资源来执行与所述第二设备的设备到设备通信。
    • 17. 发明申请
    • METHOD FOR SIMULTANEOUS HANDOVER IN A WIRELESS ACCESS SYSTEM THAT SUPPORTS DEVICE-TO-DEVICE COMMUNICATION AND APPARATUS FOR SUPPORTING THE METHOD
    • 支持设备到设备通信的无线接入系统中的同时切换的方法和用于支持该方法的设备
    • US20140105178A1
    • 2014-04-17
    • US14119093
    • 2012-05-25
    • Jiwoong JangHangyu ChoDongcheol Kim
    • Jiwoong JangHangyu ChoDongcheol Kim
    • H04W36/16
    • H04W36/16H04W36/0009H04W36/0055H04W76/23
    • Disclosed are a method for simultaneously handing over devices which perform device-to-device communication to another cell in a wireless access system that supports device-to-device communication, and an apparatus for supporting the method. The method for simultaneously handing over devices in a wireless access system that supports direct device-to-device communication according to one embodiment of the present invention may comprise the following steps: detecting an occurrence of a handover condition in a first device that performs direct device-to-device communication; transmitting, to a second device that performs direct device-to-device communication, a cell state check request message for requesting information on a channel state with respect to a base station; searching for a target cell for handover by the first device; receiving, from the second device, a cell state check response message containing information on the channel state; searching for a common cell in which the target cell searched for by the first device and the target cell contained in the information on the channel state coincide with each other; and transmitting, to the second device, a common cell indication message for indicating the simultaneous handover of devices. Here, the common cell indication message may contain information on the common cell.
    • 公开了一种用于在支持设备到设备通信的无线接入系统中同时将执行设备到设备通信的设备移交到另一小区的方法,以及用于支持该方法的设备。 根据本发明的一个实施例的用于同时传递支持直接设备到设备通信的无线接入系统中的设备的方法可以包括以下步骤:在执行直接设备的第一设备中检测切换条件的发生 设备通信; 向执行直接设备到设备通信的第二设备发送用于请求关于基站的信道状态信息的小区状态检查请求消息; 搜索由所述第一设备进行切换的目标小区; 从所述第二设备接收包含关于所述信道状态的信息的小区状态检查响应消息; 搜索由信道状态信息中包含的第一设备和目标小区搜索到的目标小区的公共小区彼此一致; 以及向所述第二设备发送用于指示设备的同时切换的公共小区指示消息。 这里,公共小区指示消息可以包含关于公共小区的信息。
    • 20. 发明授权
    • Method for maintaining direct device-to-device communication in wireless access system supporting device-to-device communication and apparatus for supporting same
    • 用于在支持设备到设备通信的无线接入系统中保持直接设备到设备通信的方法和用于支持设备到设备的设备
    • US09084259B2
    • 2015-07-14
    • US14233678
    • 2012-07-17
    • Jiwoong JangHangyu Cho
    • Jiwoong JangHangyu Cho
    • H04W36/00H04W36/18H04W76/04
    • H04W76/25H04W36/0072H04W36/18H04W72/04H04W76/23
    • The present invention discloses methods for maintaining direct device-to-device communication when one device from devices that are in direct device-to-device communication performs a handover, and apparatuses for supporting same. A method for maintaining the direct device-to-device communication in the wireless access system, according to one embodiment of the present invention, comprises the steps of: a second device moving to a second base station of a target cell; and the second device receiving from a first device of serving cell resource allocation information on a newly allocated resource region for direct device-to-device communication, wherein the resource allocation information can be received through an existing device-to-device link (D2D link), which is formed for direct device-to-device communication between the second device and the first device.
    • 本发明公开了一种用于在来自直接设备到设备通信的设备执行切换时的一个设备以及用于支持其的设备时,维持直接设备到设备通信的方法。 根据本发明的一个实施例的用于在无线接入系统中维持直接设备到设备通信的方法包括以下步骤:移动到目标小区的第二基站的第二设备; 以及所述第二设备从第一设备接收关于新分配的用于直接设备到设备通信的资源区域的小区资源分配信息,其中所述资源分配信息可以通过现有的设备到设备链路(D2D链路 ),其被形成用于在第二设备和第一设备之间的直接设备到设备通信。