公开(公告)号：US20160330003A1

公开(公告)日：2016-11-10

申请号：US15108553

申请日：2015-02-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon CHUNG ,  Genebeck HAHN ,  Eunjong LEE ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04L5/00 ,  H04J11/00 ,  H04W72/14 ,  H04L27/26

CPC classification number: H04L5/006 ,  H04J11/0079 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0094 ,  H04L27/2602 ,  H04L27/2613 ,  H04W72/0413 ,  H04W72/0446 ,  H04W72/085 ,  H04W72/14

Abstract: A method for a terminal transmitting an uplink signal for low transmission latency in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting to a base station an uplink control channel containing control information on an uplink data channel; and transmitting the uplink data channel. Here, the uplink data channel is transmitted in at least one advanced subframe comprising M number of orthogonal frequency division multiplexing (OFDM) symbols, and the uplink control channel is transmitted in at least one special symbol which is separate from the advanced subframe.

Abstract translation: 根据本发明的一个实施例的用于在无线通信系统中发送用于低传输延迟的上行链路信号的终端的方法包括以下步骤：向基站发送包含关于上行链路数据信道的控制信息的上行链路控制信道 ; 并发送上行数据信道。 这里，在包含M个正交频分复用（OFDM）符号的至少一个高级子帧中发送上行链路数据信道，并且在与高级子帧分离的至少一个特殊符号中发送上行链路控制信道。

公开(公告)号：US20160329938A1

公开(公告)日：2016-11-10

申请号：US15148977

申请日：2016-05-06

Applicant: LG ELECTRONICS INC.

Inventor： Kyungtae JO ,  Hangyu CHO ,  Jinmin KIM ,  Eunsung PARK ,  Sungjin PARK

IPC: H04B7/04 ,  H04W72/08 ,  H04L5/00

CPC classification number: H04W72/082 ,  H04B7/0619 ,  H04B7/10 ,  H04L5/0023

Abstract: A beamforming training using a polarization in a wireless local area network is provided. An initiator receives a response frame from the responder. The response frame includes information about a polarization type selected by the responder. The initiator transmits a sector sweep message to the responder using the selected polarization type through all sectors during a sector sweep.

Abstract translation: 提供了在无线局域网中使用极化的波束成形训练。 发起者从应答者接收响应帧。 响应帧包括关于响应者选择的偏振类型的信息。 启动器在扇区扫描期间通过所有扇区使用所选择的极化类型向响应者发送扇区扫描消息。

公开(公告)号：US20160309500A1

公开(公告)日：2016-10-20

申请号：US15192738

申请日：2016-06-24

Applicant: LG Electronics Inc.

Inventor： Jinmin KIM ,  Seunghee HAN ,  Hyunwoo LEE

IPC: H04W72/12 ,  H04L1/18 ,  H04L5/00 ,  H04L5/14

CPC classification number: H04W72/1268 ,  H04L1/1812 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/14 ,  H04W72/1263

Abstract: A method is provided for receiving a signal by a user equipment (UE) using time division multiplexing (TDD) in a wireless communication system. The UE receives uplink (UL) grant information on a first cell, the UL grant information scheduling a UL transmission on a second cell. The UE transmits UL data in a UL subframe on the second cell via a physical UL shared channel based on the UL grant information. The UE receives hybrid automatic repeat and request acknowledgement (HARQ-ACK) information in a downlink (DL) subframe on the first cell. The first cell and the second cell have different TDD UL-DL configurations. The DL subframe on the first cell is determined based on a TDD UL-DL configuration of the second cell.

Abstract translation: 提供一种用于在无线通信系统中使用时分复用（TDD）的用户设备（UE）接收信号的方法。 UE在第一小区上接收上行链路（UL）准许信息，UL授权信息在第二小区上调度UL传输。 UE基于UL授权信息经由物理UL共享信道在第二小区的UL子帧中发送UL数据。 UE在第一小区的下行链路（DL）子帧中接收混合自动重传和请求确认（HARQ-ACK）信息。 第一小区和第二小区具有不同的TDD UL-DL配置。 基于第二小区的TDD UL-DL配置来确定第一小区上的DL子帧。

公开(公告)号：US20160249245A1

公开(公告)日：2016-08-25

申请号：US15028255

申请日：2014-10-10

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Jaehoon CHUNG ,  Kitae KIM ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04W28/02 ,  H04W72/04 ,  H04L5/16

CPC classification number: H04W28/0236 ,  H04B17/345 ,  H04L5/16 ,  H04W72/0413 ,  H04W72/042

Abstract: The present invention relates to methods for interference cancellation between terminals in a full-duplex radio (FDR) system and apparatuses supporting the same. A method for cancelling interference between terminals in a wireless access system supporting a full-duplex radio (FDR) system, as an aspect of the present invention, may comprise the steps of: receiving, by a first terminal, reference signal information including information for configuring an interference reference signal from a base station; receiving the interference reference signal from a second terminal; obtaining, by the first terminal, interference channel information with regard to an interference channel between the first terminal and the second terminal on the basis of the interference reference signal; and transmitting by beamforming uplink data to the base station on the basis of the interference channel information by the first terminal. In this case, the first terminal is supported by the FDR system and the second terminal supports the half-duplex radio (HDR) system, and a resource area transmitting uplink data by the first terminal can be configured to match a resource area receiving downlink data by the second terminal.

Abstract translation: 本发明涉及全双工无线电（FDR）系统中的终端之间的干扰消除方法以及支持它的装置。 作为本发明的一个方面，一种用于消除支持全双工无线电（FDR）系统的无线接入系统中的终端之间的干扰的方法可以包括以下步骤：由第一终端接收参考信号信息， 配置来自基站的干扰参考信号; 从第二终端接收干扰参考信号; 基于所述干扰参考信号，由所述第一终端获取关于所述第一终端和所述第二终端之间的干扰信道的干扰信道信息; 并且基于第一终端的干扰信道信息，通过波束成形上行链路数据发送到基站。 在这种情况下，第一终端由FDR系统支持，第二终端支持半双工无线电（HDR）系统，并且由第一终端发送上行链路数据的资源区域可以被配置为匹配接收下行链路数据的资源区域 由第二终端。

公开(公告)号：US20160143013A1

公开(公告)日：2016-05-19

申请号：US14899498

申请日：2014-06-23

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Kwangseok NOH ,  Kukheon CHOI ,  Jaehoon CHUNG ,  Kitae KIM

IPC: H04W72/04 ,  H04L27/26 ,  H04B17/345

CPC classification number: H04W72/044 ,  H04B17/345 ,  H04J13/0062 ,  H04L27/2607

Abstract: The present invention provides methods for estimating self-interference in a full-duplex radio (FDR) system using a reference signal to which a cyclic shift is applied, and apparatuses supporting the same. According to one embodiment of the present invention, a method for estimating a self-interference (SI) channel, by a base station, in a wireless access system supporting wireless FDR communication comprises the steps of: transmitting a channel signal including a first cyclic shift variable allocated to a terminal; transmitting a downlink (DL) self-interference reference signal (SI-RS) for estimating the SI channel generated on the basis of a second cyclic shift variable; receiving the DL SI-RS; receiving an uplink (UL) SI-RS generated on the basis of the first cyclic shift variable; and estimating the SI channel using the DL SI-RS and the UL SI-RS.

Abstract translation: 本发明提供了使用应用循环移位的参考信号来估计全双工无线电（FDR）系统中的自干扰的方法，以及支持该参考信号的装置。 根据本发明的一个实施例，一种用于在支持无线FDR通信的无线接入系统中由基站估计自干扰信道的方法包括以下步骤：发送包括第一循环移位的信道信号 变量分配给终端; 发送用于估计基于第二循环移位变量生成的SI信道的下行链路（DL）自干扰参考信号（SI-RS）; 接收DL SI-RS; 接收基于所述第一循环移位变量生成的上行链路（UL）SI-RS; 以及使用DL SI-RS和UL SI-RS估计SI信道。

公开(公告)号：US20160127114A1

公开(公告)日：2016-05-05

申请号：US14895902

申请日：2014-05-28

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinmin KIM ,  Kwangseok NOH ,  Kukheon CHOI ,  Jaehoon CHUNG

IPC: H04L5/14 ,  H04W72/08 ,  H04W72/04 ,  H04W24/08

CPC classification number: H04L5/1461 ,  H04B17/345 ,  H04W24/08 ,  H04W72/0453 ,  H04W72/082

Abstract: A method of measuring a self-interference channel in user equipment in a full duplex radio (FDR) communication environment is disclosed. The method includes receiving, from a base station, resource allocation information including information about a time interval, the base station stopping transmission of a signal in the time interval for measurement of the self-interference channel in the user equipment, transmitting a first reference signal for measurement of the self-interference channel in the time interval specified by the resource allocation information, and receiving a second reference signal input to a receiver of the user equipment according to self-interference in the time interval, wherein the second reference signal is a signal corresponding to the first reference signal transmitted over a wireless channel.

Abstract translation: 公开了一种在全双工无线电（FDR）通信环境中测量用户设备中的自干扰信道的方法。 该方法包括从基站接收包括关于时间间隔的信息的资源分配信息，所述基站停止用户设备中的自干扰信道测量的时间间隔中的信号的传输，发送第一参考信号 用于在由所述资源分配信息指定的时间间隔内测量所述自干扰信道，以及根据所述时间间隔中的自身干扰接收输入到所述用户设备的接收机的第二参考信号，其中所述第二参考信号为 信号对应于通过无线信道发送的第一参考信号。

公开(公告)号：US20160127030A1

公开(公告)日：2016-05-05

申请号：US14903251

申请日：2014-07-14

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinmin KIM ,  Kwangseok NOH ,  Kukheon CHOI ,  Jaehoon CHUNG

IPC: H04B7/08

CPC classification number: H04B7/0854 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/14

Abstract: The present invention provides a method for removing self-interference by a transmitter side in a wireless access system that supports a full duplex radio (FDR) scheme, according to one embodiment of the present invention, comprises the method comprising the steps of: transmitting two transmission signals, using two transmission antennas; receiving two reception signals, using two reception antennas; estimating a self-interference channel; and removing interference signals in consideration of the estimated self-interference channel among the received signals. In the method, the interference signals are the transmission signals which are input into the two reception antennas, the transmission signals and the reception signals are simultaneously transmitted and received through a resource area configured by the same time and frequency, and the two transmission antennas and the two reception antennas may be disposed on the transmitter side in a diamond shape.

Abstract translation: 本发明提供了一种在支持全双工无线电（FDR）方案的无线接入系统中由发射机侧消除自干扰的方法，根据本发明的一个实施例，该方法包括以下步骤：发送两个 传输信号，使用两个发射天线; 使用两个接收天线接收两个接收信号; 估计自干扰信道; 以及考虑到所接收的信号中的所估计的自干扰信道来去除干扰信号。 在该方法中，干扰信号是输入到两个接收天线的发送信号，通过由相同的时间和频率配置的资源区域同时发送和接收发送信号和接收信号，并且两个发送天线和 两个接收天线可以以钻石形状设置在发射机侧。

公开(公告)号：US20160105211A1

公开(公告)日：2016-04-14

申请号：US14728381

申请日：2015-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Eunjong LEE ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04B1/48 ,  H04L27/01 ,  H04J11/00 ,  H03M1/12 ,  H03M1/66

CPC classification number: H04L27/01 ,  H04B1/525 ,  H04B3/23

Abstract: The apparatus for reconstructing a desired signal using a full duplex radio (FDR) scheme includes: a digital self-interference cancellation unit configured to output a first digital signal; a demodulator configured to demodulate the first digital signal; a modulator configured to modulate the demodulated first digital signal; an attenuator configured to attenuate the modulated first digital signal by applying an attenuation coefficient to the modulated first digital signal; and an operation unit configured to receive the attenuated first digital signal and the first digital signal, and transmit a residual signal to the digital self-interference cancellation unit, wherein the residual signal is obtained by subtracting the attenuated first digital signal from the first digital signal.

Abstract translation: 用于使用全双工无线电（FDR）方案重建所需信号的装置包括：数字自干扰消除单元，被配置为输出第一数字信号; 解调器，被配置为解调所述第一数字信号; 调制器，被配置为调制解调的第一数字信号; 衰减器，被配置为通过对调制的第一数字信号施加衰减系数来衰减所调制的第一数字信号; 以及操作单元，被配置为接收所述衰减的第一数字信号和所述第一数字信号，并且将残留信号发送到所述数字自干扰消除单元，其中所述残留信号通过从所述第一数字信号中减去所述衰减的第一数字信号 。

公开(公告)号：US20160013847A1

公开(公告)日：2016-01-14

申请号：US14865654

申请日：2015-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Sunam KIM ,  Binchul IHM ,  Hyukmin SON ,  Jaehoon CHUNG

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/0408 ,  H04B7/0417 ,  H04B7/061 ,  H04B7/0617 ,  H04B7/0639 ,  H04B7/0695 ,  H04W16/28

Abstract: A method for performing hierarchical beamforming in a wireless access system and a device therefor are disclosed. Particularly, the method comprises: an initial step for allowing a base station to transmit a plurality of first beams, to which different steering vectors are applied, to a terminal through corresponding reference signals, and a repetition step for allowing the base station to transmit a plurality of second beams, to which different steering vectors are applied, to the terminal through corresponding reference signals by considering feedback information that contains an index of one or more beams received from the terminal, wherein the repetition step can be repeated up to a predetermined number of times.

公开(公告)号：US20150373656A1

公开(公告)日：2015-12-24

申请号：US14764111

申请日：2014-01-28

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Kitae KIM ,  Hyunsoo KO ,  Jaehoon CHUNG

IPC: H04W56/00 ,  H04W74/08 ,  H04W76/02

CPC classification number: H04W56/002 ,  H04W56/0085 ,  H04W74/0833 ,  H04W76/14 ,  H04W92/18

Abstract: The present invention, which is used in a wireless access system supporting device-to-device (D2D) communication, defines a new random access channel region and provides methods for obtaining synchronization between D2D devices in the new random access channel region, and devices supporting same. The method for obtaining synchronization between devices in a wireless access system supporting device-to-device (D2D) communication, according to one embodiment of the present invention, may comprise: a step in which a first terminal receives a D2D preamble from a second terminal via a D2D random access channel (RACH) region in an RACH region; a step in which the first terminal obtains synchronization with the second terminal by using the D2D preamble; and a step in which the first terminal performs D2D communication with the second terminal. The RACH region may comprise a legacy RACH region to which a legacy preamble for performing an RACH procedure with a base station is transmitted, and the D2D RACH region.

Abstract translation: 在用于支持设备到设备（D2D）通信的无线接入系统中使用的本发明定义了新的随机接入信道区域，并且提供了用于获得新的随机接入信道区域中的D2D设备之间的同步的方法，以及支持 相同。 根据本发明的一个实施例，用于获得支持设备到设备（D2D）通信的无线接入系统中的设备之间的同步的方法可以包括：第一终端从第二终端接收D2D前导码的步骤 经由RACH区域中的D2D随机接入信道（RACH）区域; 第一终端通过使用D2D前导码与第二终端获得同步的步骤; 以及第一终端与第二终端进行D2D通信的步骤。 RACH区域可以包括传送用于与基站进行RACH过程的传统前同步码的传统RACH区域，以及D2D RACH区域。