Method and apparatus for transmitting and receiving signal of device to device terminal in wireless communication system

    公开(公告)号:US10153890B2

    公开(公告)日:2018-12-11

    申请号:US15318645

    申请日:2015-06-16

    Abstract: A device to device (D2D) signal transmission method in which a D2D terminal transmits a D2D signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: defining a time-frequency resource range in which the D2D signal is to be transmitted in a subframe; and transmitting the D2D signal through the defined time-frequency resource range, wherein the frequency resource range in which the D2D signal is to be transmitted in the subframe includes a first frequency resource range and a second frequency resource range, positions of the first frequency resource range and the second frequency resource range are defined by an independent parameter, and dimensions of the first frequency resource range and the second frequency resource range are defined by a common parameter.

    Mobile terminal and coil antenna module

    公开(公告)号:US09761928B2

    公开(公告)日:2017-09-12

    申请号:US14952803

    申请日:2015-11-25

    Abstract: There is disclosed a mobile terminal including a first case comprising a battery loading portion, a battery loaded in the battery loading portion, a second case coupled to the first case and configured to cover the battery, a coil antenna module arranged between the second case and the battery, and a controller electrically connected to the coil antenna module and configured to transmit and receive a signal or receive an electric power, wherein the coil antenna module includes an insulating sheet, a first coil arranged in a surface of the insulating sheet, a second coil arranged in the first coil, a third coil arranged in the second coil, and a magnetic sheet disposed on the surface of the insulating sheet, and ends of the first, second and third coils are arranged in the surface of the insulating sheet or dividedly arranged in both surfaces of the insulating sheet. The mobile terminal may realize the coil antenna module including a plurality of coils configured to perform diverse manners of wireless communication in a limited area.

    Method for configuring codebook in multi-antenna wireless communication system and device therefor

    公开(公告)号:US09755719B2

    公开(公告)日:2017-09-05

    申请号:US15317695

    申请日:2015-06-12

    CPC classification number: H04B7/0486 H04B7/0469 H04B7/0478 H04B7/06

    Abstract: The present invention relates to a method and device for transmitting a signal by a transmitting end in a wireless communication system supporting multiple antennas including a plurality of vertical domain antennas and a plurality of horizontal domain antennas. Specifically, the present invention comprises the steps of: pre-coding a signal for multiple antennas, using a specific pre-coding matrix selected on the basis of a first codebook for the plurality of vertical domain antennas and a second codebook for the plurality of horizontal domain antennas; and transmitting the pre-coded signal to a receiving end, wherein the specific pre-coding matrix is defined by using a Kronecker product of a first pre-coding matrix selected from the first codebook according to at least one first selection vector and a second pre-coding matrix selected from the second codebook according to at least one second selection vector.

    EFFICIENT FEEDBACK TRANSMISSION METHOD IN MULTI-ANTENNA WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SAME
    160.
    发明申请
    EFFICIENT FEEDBACK TRANSMISSION METHOD IN MULTI-ANTENNA WIRELESS COMMUNICATION SYSTEM AND DEVICE FOR SAME 有权
    多天线无线通信系统中的高效反馈传输方法及其设备

    公开(公告)号:US20150236773A1

    公开(公告)日:2015-08-20

    申请号:US14424880

    申请日:2013-09-03

    Abstract: The present invention relates to a method for feeding back channel state information with respect to downlink transmission of a terminal in a wireless communication system supporting multiple antennas. Particularly, the method comprises the steps of measuring a channel with respect to downlink transmission; and transmitting a precoding matrix indicator (PMI) to which a precoding matrix for multiple antennas is applied, on the basis of the channel measuring result, wherein the multiple antennas are defined as a group of N antenna (N>0, N is an integer), and the precoding matrix for multiple antennas is determined by a precoding matrix for the group of N antennas and a phase coefficient matrix with respect to the precoding matrix for the group of N antennas.

    Abstract translation: 本发明涉及一种在支持多个天线的无线通信系统中对终端的下行链路传输反馈信道状态信息的方法。 特别地,该方法包括以下步骤:相对于下行链路传输测量信道; 并且根据所述信道测量结果发送应用了多个天线的预编码矩阵的预编码矩阵指示符(PMI),其中,所述多个天线被定义为N个天线的组(N> 0,N是整数 ),并且用于多个天线的预编码矩阵由N组天线的预编码矩阵和相对于N组天线的预编码矩阵的相位系数矩阵确定。

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