Apparatus and method for acquiring D2D synchronization information

    公开(公告)号:US09801148B2

    公开(公告)日:2017-10-24

    申请号:US14707535

    申请日:2015-05-08

    CPC classification number: H04W56/001

    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). An apparatus and method for acquiring synchronization information through the transmission and reception of signals between devices for device to device (D2D) communication is provided. A method for a user equipment (UE) in a wireless communication system includes detecting a synchronization signal of another UE in a predetermined measurement gap. The method also includes transmitting a detected result of the synchronization signal to an evolved Node B (eNB). A start time point of the measurement gap in a first measurement gap period and a start time point of the measurement gap in a second measurement gap period are different from each other.

    Method and apparatus for controlling transmission power of device-to-device communication network
    107.
    发明授权
    Method and apparatus for controlling transmission power of device-to-device communication network 有权
    用于控制设备到设备通信网络的传输功率的方法和装置

    公开(公告)号:US09538484B2

    公开(公告)日:2017-01-03

    申请号:US14765996

    申请日:2014-02-07

    Abstract: The present invention is to provide a method and device for controlling transmission power by taking comprehensive consideration not only of the effect received onto itself in each device-to-device (D2D) link of a D2D communication network but also of the effect exerted onto the neighboring links. According to an embodiment of the present invention, a processing method in a transmission terminal of a first link for controlling the transmission power of the transmission terminals of links in a D2D communication network, which includes terminals of at least the first link and terminals of a second link adjacent to the first link includes: measuring the strengths of first detection signals transmitted from reception terminals of the first link and the second link; and determining a first transmission power adjustment ratio for the transmission terminal of the first link so that a signal-to-interference ratio of the second link is greater than or equal to a predetermined threshold value on the basis of the measured strengths of the first detection signals.

    Abstract translation: 本发明是提供一种通过不仅综合考虑在D2D通信网络的每个设备到设备(D2D)链路中自身接收到的效果,而且还提供一种用于控制传输功率的方法和设备, 相邻链接。 根据本发明的实施例,一种用于控制D2D通信网络中的链路的发送终端的发送功率的第一链路的发送终端中的处理方法,其包括至少第一链路的终端和 与第一链路相邻的第二链路包括:测量从第一链路和第二链路的接收端发送的第一检测信号的强度; 以及确定所述第一链路的发送终端的第一发送功率调整率,使得所述第二链路的信号干扰比基于所测量的所述第一检测的强度大于或等于预定阈值 信号。

    Method and apparatus for supporting multiple-access signal in mobile communication system
    108.
    发明授权
    Method and apparatus for supporting multiple-access signal in mobile communication system 有权
    在移动通信系统中支持多路访问信号的方法和装置

    公开(公告)号:US09379922B2

    公开(公告)日:2016-06-28

    申请号:US14076051

    申请日:2013-11-08

    CPC classification number: H04L25/03203 H04L5/0007 H04L25/0328

    Abstract: In order to generate multiple-access signals, each transmitter transmits information by using all or a part of channel resources. The signal of each transmitter is mapped to an OFDM time-frequency resource space as a trellis modulation path. A mobile communication system maps trellis modulation paths of a plurality of transmitters to the same resource space. In order to effectively detect and distinguish signals of a plurality of transmitters transmitted through the same channel resource space, a receiver uses a message passing method between symbols and a path connection method. The receiver uses a state space expansion method, a backward pre-decoding method, and a successive interference cancellation method to more efficiently reconstruct a discovery signal.

    Abstract translation: 为了产生多址信号,每个发射机通过使用全部或部分信道资源来发送信息。 每个发射机的信号被映射到OFDM时频资源空间作为网格调制路径。 移动通信系统将多个发射机的网格调制路径映射到相同的资源空间。 为了有效地检测和区分通过相同信道资源空间发送的多个发射机的信号,接收机使用符号之间的消息传递方法和路径连接方法。 接收机使用状态空间扩展方法,反向预解码方法和连续干扰消除方法来更有效地重构发现信号。

    Device and method for performing device to device communication in wireless communication system
    109.
    发明授权
    Device and method for performing device to device communication in wireless communication system 有权
    用于在无线通信系统中执行设备到设备通信的设备和方法

    公开(公告)号:US09357526B2

    公开(公告)日:2016-05-31

    申请号:US14254323

    申请日:2014-04-16

    CPC classification number: H04W72/02 H04W72/0453 H04W72/082 H04W76/14

    Abstract: A device and a method for performing Device to Device (D2D) communication in a wireless communication system are provided. The method includes transmitting information on a self-frequency band selected from all frequency bands for the D2D communication, to the second mobile station, receiving information on a counterpart-frequency band selected for the D2D communication, from the second mobile station, determining transmission and reception frequency bands to be used for the D2D communication, based on the information on the self-frequency band and the information on the counterpart-frequency band, transmitting data to the second mobile station in the determined transmission frequency band, and receiving data from the second mobile station in the determined reception frequency band.

    Abstract translation: 提供了一种用于在无线通信系统中执行设备到设备(D2D)通信的设备和方法。 该方法包括从D2D通信的所有频带选择的自身频带上发送信息给第二移动站,从第二移动站接收对于D2D通信选择的对方频带上的信息,确定传输和 基于关于自身频带的信息和对方频带上的信息,D2D通信中使用的接收频带,在确定的发送频带中向第二移动台发送数据,并从 在所确定的接收频带中的第二移动台。

    Method and Apparatus for Performing State Transition for Device-to-Device Communication
    110.
    发明申请
    Method and Apparatus for Performing State Transition for Device-to-Device Communication 审中-公开
    用于设备到设备通信的状态转换的方法和装置

    公开(公告)号:US20160057795A1

    公开(公告)日:2016-02-25

    申请号:US14781773

    申请日:2014-04-01

    CPC classification number: H04W76/14 H04W8/005 H04W76/27 H04W88/06 H04W88/08

    Abstract: A method and apparatus for performing a state transition for Device to Device (D2D) communication are provided. The method includes determining whether D2D initiation is required, while a terminal is operating in a first or a second state defined by EPS (Enhanced Packet System) Mobility Management (EMM)-Deregistered and EPS Connection Management (ECM)-IDLE at a Non-Access Stratum (NAS) layer and Radio Resource Control (RRC)-IDLE. If the D2D initiation is required, the method includes transitioning to a third state defined by EMM-Registered and ECM/RRC-Connected and performing the D2D initiation through a mobile communication network. If a deactivation condition is satisfied or a D2D state update is completed in the third state, the method includes transitioning to a fourth state defined by EMM-Registered and ECM/RRC-IDLE, and if a state update or scheduling for D2D communication is required in the fourth state, the method includes transitioning to the third state.

    Abstract translation: 提供了一种用于执行设备到设备(D2D)通信的状态转换的方法和装置。 该方法包括确定是否需要D2D启动,而终端在由EPS(增强分组系统)移动性管理(EMM) - 注册和EPS连接管理(ECM)-IDLE定义的第一或第二状态中操作, 接入层(NAS)层和无线资源控制(RRC)-IDLE。 如果需要D2D启动,则该方法包括转换到由EMM注册和ECM / RRC连接定义的第三状态,并通过移动通信网络执行D2D启动。 如果在第三状态中满足去激活条件或D2D状态更新完成,则该方法包括转换为由EMM-Registered和ECM / RRC-IDLE定义的第四状态,以及是否需要用于D2D通信的状态更新或调度 在第四状态下,该方法包括转换到第三状态。

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