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：US20160218791A1

公开(公告)日：2016-07-28

申请号：US15091513

申请日：2016-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Sunam KIM ,  Dongguk LIM ,  Moonil LEE ,  Jaehoon CHUNG

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/10 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0028 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/006 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03808 ,  H04W48/08 ,  H04W72/00 ,  H04W72/0413 ,  H04W72/0446

Abstract: A method for transmitting channel status information (CSI) via uplink in a wireless communication system includes transmitting a first precoding matrix indicator (PMI) and a second PMI at a subframe. A subsampled codebook for each of a precoding codebook for Rank-1 and a precoding codebook for Rank-2 is determined based on at least the first PMI or the second PMI. In case of the Rank-1 or the Rank-2, a number of elements for the first PMI is 8.

公开(公告)号：US20160191220A1

公开(公告)日：2016-06-30

申请号：US15064091

申请日：2016-03-08

Applicant: LG ELECTRONICS INC.

Inventor： Minseok NOH ,  Jaehoon CHUNG ,  Hyunsoo KO ,  Seunghee HAN ,  Moonil LEE

IPC: H04L5/00 ,  H04W72/04 ,  H04W72/14

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04L1/1861 ,  H04L1/1893 ,  H04L5/0007 ,  H04L5/0055 ,  H04L7/041 ,  H04L25/03343 ,  H04W28/04 ,  H04W72/04 ,  H04W72/042 ,  H04W72/14

Abstract: A method is presented for transmitting signals at a User Equipment (UE) in a multi-antenna wireless communication system. Acknowledgment (ACK)/negative ACK (NACK) information is received from a base station (BS). At least one transport block negatively acknowledged by the ACK/NACK information is retransmitted to the BS. An uplink grant for retransmitting the at least one transport block is not detected. If a number of the at least one transport block is not equal to a number of transport blocks indicated by a most recent uplink grant, cyclic shift values and orthogonal cover codes (OCCs) of a demodulation reference signal (DMRS) for the at least one transport block are configured based on a cyclic shift field included in the most recent uplink grant and a number of layers corresponding to the at least one transport block.

Abstract translation: 提出了一种用于在多天线无线通信系统中的用户设备（UE）处发送信号的方法。 从基站（BS）接收确认（ACK）/否定ACK（NACK）信息。 由ACK / NACK信息负面确认的至少一个传输块被重传到BS。 不检测用于重发该至少一个传输块的上行链路许可。 如果所述至少一个传输块的数目不等于由最近的上行链路许可指示的传输块的数量，则对于所述至少一个传输块的解调参考信号（DMRS）的循环移位值和正交覆盖码（OCC） 传输块是基于包括在最新上行链路授权中的循环移位字段和对应于该至少一个传输块的多个层来配置的。

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：US20160135231A1

公开(公告)日：2016-05-12

申请号：US14785573

申请日：2014-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong LEE ,  Hyunsoo KO ,  Hyeyoung CHOI ,  Genebeck HAHN ,  Heejeong CHO ,  Jaehoon CHUNG

IPC: H04W76/02 ,  H04W52/02 ,  H04W68/00 ,  H04W72/04 ,  H04W76/04 ,  H04W4/06

CPC classification number: H04W76/10 ,  H04W4/06 ,  H04W8/22 ,  H04W36/14 ,  H04W48/16 ,  H04W48/18 ,  H04W52/0216 ,  H04W52/0219 ,  H04W52/0235 ,  H04W68/005 ,  H04W68/12 ,  H04W72/042 ,  H04W76/00 ,  H04W76/16 ,  H04W76/27 ,  H04W88/06 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/24

Abstract: A method for performing a connecting operation with multiple communication systems by a terminal in a network including the multiple communication systems interworking with each other according to the present invention comprises the steps of: transmitting, to an interworking entity of a first communication system, a result of scanning a base station of a second communication system in a state where the terminal is radio resource control (RRC)-connected with the first communication system and is in an idle with the second communication system; receiving a first message from the interworking entity of the first communication system, the first message including a first indicator instructing the terminal to perform an association process with the base station of the second communication system and a second indicator instructing the terminal to operate in a power saving mode with the second communication system; performing the association process with the base station of the second communication system on the basis of the first indicator of the first message; switching into an RRC idle mode state with the first communication system and entering the power saving mode from the idle mode with the second communication system on the basis of the second indicator of the first message, after performing the association process; and receiving, from a base station of the first communication system, a paging message for the second communication system through a paging channel of the first communication system.

Abstract translation: 根据本发明的用于通过包括彼此交互的多个通信系统的网络中的终端执行与多个通信系统的连接操作的方法包括以下步骤：向第一通信系统的互通实体发送结果 在终端与第一通信系统连接的无线资源控制（RRC）的状态下与第二通信系统处于空闲状态的第二通信系统的基站的扫描; 从所述第一通信系统的互通实体接收第一消息，所述第一消息包括指示所述终端执行与所述第二通信系统的基站的关联过程的第一指示符和指示所述终端以功率运行的第二指示符 第二通信系统的节电模式; 基于第一消息的第一指示符，执行与第二通信系统的基站的关联处理; 在执行关联处理之后，利用第一通信系统切换到RRC空闲模式状态，并且基于第一消息的第二指示符从第二通信系统进入省电模式; 以及通过第一通信系统的寻呼信道从第一通信系统的基站接收用于第二通信系统的寻呼消息。

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：US20160100385A1

公开(公告)日：2016-04-07

申请号：US14879736

申请日：2015-10-09

Applicant: LG Electronics Inc.

Inventor： Moonil LEE ,  Jaehoon CHUNG ,  Hyunsoo KO ,  Seunghee HAN

IPC: H04W72/04 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04W72/042 ,  H04L1/0078 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0094 ,  H04W24/10 ,  H04W48/08 ,  H04W48/12 ,  H04W52/30 ,  H04W52/325 ,  H04W72/0406 ,  H04W72/0453

Abstract: A base station of the present invention configures resources in which a downlink signal is to be transmitted with zero power using resource sets defined for a specific number of antenna ports, regardless of the number of antenna ports actually configured in the base station, and transmits resource information indicating the configured resources to a user equipment. The user equipment of the present invention receives a downlink transmission from the base station, assuming that transmission power of resources corresponding to a resource set indicated by the resource information is zero.

公开(公告)号：US20160087708A1

公开(公告)日：2016-03-24

申请号：US14889389

申请日：2014-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Kilbom LEE ,  Hyunsoo KO ,  Jaehoon CHUNG

IPC: H04B7/06

CPC classification number: H04B7/0617 ,  H04B7/0619 ,  H04B7/0621 ,  H04B7/0626 ,  H04B7/0639

Abstract: Discloses is a method in which a user equipment (UE) reports channel state information to an evolved Node B (eNB) for beamforming based on multiple antennas in a wireless communication system. Specifically, the method comprises the steps of: receiving information on a plurality of reference signal resources from the eNB; generating channel state information containing information related to one preferred precoder to be applied to the plurality of reference signal resources in common and information related to one linking precoder for connecting the plurality of reference signal resources; and reporting the channel state information to the eNB, wherein the multiple antennas are partitioned into sections of row or column units and the plurality of reference signal resources correspond to the sections.

Abstract translation: 公开了一种用户设备（UE）在无线通信系统中基于多个天线的信道状态信息向演进节点B（eNB）报告用于波束成形的方法。 具体地说，该方法包括以下步骤：从eNB接收关于多个参考信号资源的信息; 产生信道状态信息，该信道状态信息包含与要应用于多个参考信号资源的一个优选预编码器有关的信息，以及与用于连接多个参考信号资源的一个链接预编码器有关的信息; 并将所述信道状态信息报告给所述eNB，其中所述多个天线被划分为行或列单元的部分，并且所述多个参考信号资源对应于所述部分。