公开(公告)号：US20170054546A1

公开(公告)日：2017-02-23

申请号：US15118771

申请日：2015-02-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/22 ,  H04W72/04

CPC classification number: H04L5/22 ,  H04B7/26 ,  H04W72/0406 ,  H04W72/0446 ,  H04W72/1289

Abstract: The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A signal transmission and reception method of a base station for a signal in a wireless access system supporting a FDR, according to one embodiment of the present invention, comprises the steps of: transmitting, to a terminal, an indicator which notifies of an application of terminal-specific time division duplex (TDD); transmitting, to the terminal, frame setting information according to the terminal-specific TDD; and transmitting and receiving a signal to and from the terminal on the basis of the frame setting information, wherein the frame setting information is capable of being set on the basis of a first constraint in which a first subframe is a downlink subframe and a special subframe always exists.

Abstract translation: 本发明涉及支持全双工无线电（FDR）传输环境的无线接入系统。 根据本发明的一个实施例的用于支持FDR的无线接入系统中的信号的基站的信号发送和接收方法包括以下步骤：向终端发送通知应用的指示符 终端专用时分双工（TDD）; 向终端发送根据终端特定TDD的帧设置信息; 并且根据帧设置信息向终端发送信号和从终端接收信号，其中帧设置信息能够根据其中第一子帧是下行子帧和特殊子帧的第一约束来设置 总是存在

公开(公告)号：US20170019930A1

公开(公告)日：2017-01-19

申请号：US15124898

申请日：2015-02-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/08 ,  H04W76/04 ,  H04W72/12 ,  H04W72/04

CPC classification number: H04W74/0833 ,  H04W8/26 ,  H04W72/0413 ,  H04W72/1284 ,  H04W88/02 ,  H04W88/08

Abstract: Provided are a method for allocating a temporary radio network temporary identifier to a terminal within a random access procedure in a wireless communication system, and an apparatus supporting the same. The method for allocating a temporary radio network temporary identifier (T-RNTI) to a user equipment (UE) within a random access procedure in a wireless communication system, includes transmitting, by the UE, a random access preamble to a base station (BS), transmitting, by the UE, a radio resource control (RRC) request message to the BS through a contention-based physical uplink shared channel (PUSCH) resource block in which uplink data can be transmitted without uplink resource allocation scheduling, and receiving, by the UE, an RRC connection setup message identified by a T-RNTI allocated to the UE in response to the RRC request message, wherein the T-RNTI is allocated on the basis of the contention-based PUSCH resource block in which the RRC request message has been transmitted.

Abstract translation: 提供了一种在无线通信系统中的随机接入过程中向终端分配临时无线电网络临时标识符的方法和支持该临时标识符的装置。 用于在无线通信系统中的随机接入过程内向用户设备（UE）分配临时无线电网络临时标识符（T-RNTI）的方法包括由UE向基站（BS）发送随机接入前导码 ），由UE通过基于竞争的物理上行链路共享信道（PUSCH）资源块向BS发送无线资源控制（RRC）请求消息，其中上行链路数据可以在没有上行链路资源分配调度的情况下被发送， 由所述UE响应于所述RRC请求消息，由分配给所述UE的T-RNTI识别的RRC连接建立消息，其中，基于所述RRC请求的所述基于竞争的PUSCH资源块来分配所述T-RNTI 讯息已传送。

公开(公告)号：US20170019211A1

公开(公告)日：2017-01-19

申请号：US15124544

申请日：2014-08-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H03M13/00 ,  H03M13/11

CPC classification number: H04L1/0045 ,  H03M13/096 ,  H03M13/1105 ,  H03M13/1108 ,  H03M13/1111 ,  H03M13/118 ,  H03M13/616 ,  H03M13/6306 ,  H03M13/6525 ,  H03M13/6527 ,  H03M13/6544 ,  H04L1/0057 ,  H04L1/0058

Abstract: A method for decoding a low density parity check (LDPC) code for forward error correction by a receiver side in a wireless communication system according to an embodiment of the present invention comprises the steps of: acquiring a first reconstructed packet vector by decoding a reception packet vector encoded by an LDPC code generation matrix; determining a candidate for an error packet to be excluded form the reception packet vector when an error is detected in the first reconstructed packet vector; and acquiring a second reconstructed packet vector from the reception packet vector from which the determined candidate for the error packet has been excluded, wherein the step of acquiring the second reconstructed packet vector includes acquiring the second reconstructed packet vector through Gaussian elimination for the LDPC code generation matrix from which a row matrix corresponding to the candidate for the error packet has been excluded.

Abstract translation: 根据本发明的实施例的用于在无线通信系统中由接收机侧进行前向纠错的低密度奇偶校验（LDPC）码的解码方法包括以下步骤：通过解码接收分组来获取第一重构分组矢量 由LDPC码生成矩阵编码的矢量; 当在所述第一重构分组向量中检测到错误时，从所述接收分组矢量确定要排除的错误分组的候选; 以及从已经排除所述确定的所述错误分组的候选者的所述接收分组向量中获取第二重建分组向量，其中获取所述第二重建分组向量的步骤包括：通过所述LDPC代码生成的高斯消除获取所述第二重构分组向量 矩阵，其中排除与错误分组的候选对应的行矩阵。

公开(公告)号：US20160380732A1

公开(公告)日：2016-12-29

申请号：US15039006

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

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 receiving a downlink signal for low transmission latency in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving a downlink control channel from a base station; and receiving a downlink data channel based on control information transmitted from the downlink control channel. Here, the downlink data channel is transmitted in at least one advanced subframe comprising M number of orthogonal frequency division multiplexing (OFDM) symbols, and the downlink 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，一种在无线通信系统中接收用于低传输延迟的下行链路信号的终端的方法包括以下步骤：从基站接收下行链路控制信道; 以及基于从所述下行链路控制信道发送的控制信息来接收下行链路数据信道。 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下行链路数据信道，并且在与高级子帧分离的至少一个特殊符号中发送下行链路控制信道。

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：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 。