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公开(公告)号：US20170331541A1
公开(公告)日：2017-11-16
申请号：US15529958
申请日：2015-06-23
Applicant: LG ELECTRONICS INC.
Inventor： Jiwon KANG , Kitae KIM , Kilbom LEE , Kungmin PARK , Heejin KIM
IPC: H04B7/06 , H04B7/04 , H04B7/0404 , H04W72/12
Abstract: The present application discloses a method for a terminal reporting channel state information to a base station in a wireless communication system. Specifically, the method comprises the steps of: receiving, from a base station, a first reference signal corresponding to a row of a transmission antenna array, and a second reference signal corresponding to a column of the transmission antenna array; receiving, from the base station, a cross polarization characteristics measurement indicator; and reporting, to the base station, channel state information comprising a first precoder corresponding to the first reference signal and a second precoder corresponding to the second reference signal, wherein the channel state information comprises cross polarization characteristics information between antenna ports that have the same indexes, the antenna ports being among antenna ports having the first reference signal and the second reference signal transmitted.
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32.发明申请公开(公告)号：US20170245287A1
公开(公告)日：2017-08-24
申请号：US15501819
申请日：2014-08-14
Inventor： Kilbom LEE , Changho SUH , Seiyun SHIN , Jaewoong CHO , Jiwon KANG , Kitae KIM
CPC classification number: H04W72/082 , H04B7/04 , H04B7/26 , H04J11/005 , H04W72/0446 , H04W88/02 , H04W88/08
Abstract: Disclosed is a communication method of a terminal utilizing outdated channel information in a two-cell, three-user network environment, the method comprising: transmitting nine different first linear combinations to a first base station in each time slot during a first time interval; receiving a first feedback signal from a second base station which has received the first linear combination as an interference signal; transmitting four different second linear combinations to the first base station during a first sub-time interval of a third time interval; receiving a second feedback signal from the second base station which has received the second linear combinations as an interference signal; and transmitting reconfiguration signals consisting of eight data symbols to the first base station during a third sub-time interval of the third time interval. Further, a communication method of a base station corresponding to such a terminal is also disclosed.
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33.发明申请公开(公告)号：US20170237476A1
公开(公告)日：2017-08-17
申请号：US15502974
申请日：2015-08-11
Applicant: LG ELECTRONICS INC.
Inventor： Kitae KIM , Jiwon KANG , Kilbom LEE , Heejin KIM
CPC classification number: H04B7/0617 , H04B7/0619 , H04L5/0048 , H04L5/0053 , H04W72/046
Abstract: The present invention provides a hybrid beamforming-based broadcast channel transmitting method and devices. In an embodiment of the present invention, a method for transmitting broadcast channels in a wireless connection system supporting hybrid beamforming includes: a step of transmitting N broadcast channels including the same broadcast information in N mutually different subframes; and a step of receiving feedback information on one or more of the N broadcast channels, wherein N mutually different analog beams may be applied to the N broadcast channels, and N may be a positive integer.
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34.发明申请公开(公告)号：US20170195934A1
公开(公告)日：2017-07-06
申请号：US15308647
申请日：2015-02-13
Applicant: LG ELECTRONICS INC.
Inventor： Jiwon KANG , Sunam KIM , Kitae KIM , Kilbom LEE , Heejin KIM
IPC: H04W36/30 , H04B7/06 , H04B7/0456 , H04W72/04 , H04W88/10 , H04W36/34 , H04B7/0417
Abstract: Disclosed herein is a method for generating channel state information at a user equipment (UE) for multiple input multiple output (MIMO) based beamforming in a wireless communication system. The method includes receiving a first pilot pattern and a second pilot pattern from a base station, selecting a precoding matrix index (PMI) and a rank indicator (RI) for each of the first pilot pattern and the second pilot pattern, configuring the RI for the first pilot pattern as an RI for a three-dimensional (3D) channel, wherein the RI for the first pilot pattern is larger than the RI for the second pilot pattern; and reselecting a PMI of the second pilot pattern on the assumption that the RI of the second pilot pattern is equal to the RI for the 3D channel and the PMI of the first pilot pattern is equal to a preselected PMI.
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公开(公告)号：US20170180031A1
公开(公告)日：2017-06-22
申请号：US15300322
申请日：2015-02-24
Applicant: LG ELECTRONICS INC.
Inventor： Kilbom LEE , Jiwon KANG , Kitae KIM , Heejin KIM
IPC: H04B7/08 , H04B7/0456
CPC classification number: H04B7/0845 , H04B7/0417 , H04B7/0456 , H04J11/0033 , H04J11/005 , H04L5/0023 , H04L5/003 , H04L5/0073
Abstract: A method of processing a reception signal and a MIMO receiver are disclosed. The method includes the steps of selecting a reference RE from an RE group including a plurality of REs, generating a preprocessing filter to be shared by the plurality of the REs belonging to the RE group based on channel information of the reference RE and generating detection signals for the plurality of the REs in a manner of compensating reception signals for each of the plurality of the REs using the preprocessing filter and channel information of each of the plurality of the REs.
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Patent Agency Ranking
36.发明申请公开(公告)号：US20170155441A1
公开(公告)日：2017-06-01
申请号：US15323611
申请日：2015-07-06
Applicant: LG ELECTRONICS INC.
Inventor： Kilbom LEE , Jiwon KANG , Kitae KIM , Heejin KIM
IPC: H04B7/08 , H04B7/0413
CPC classification number: H04B7/0842 , H04B7/04 , H04B7/0413 , H04B7/08
Abstract: Disclosed is a reception signal processing method of an MIMO receiver, which determines a detection order, which is the order of processing reception signals received by a plurality of layers through a plurality of antennas, by using channel information of a reference RE; generates a common multi-filter for processing the reception signals according to the detection order, generates an RE group, which includes a plurality of REs and in which the common multi-filter generated on the basis of the reference RE is to be shared, and applies the common multi-filter to each reception signal of the REs excluding the reference RE in the RE group such that detection signals are generated for the plurality of layers from each reception signal of the REs.
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37.发明申请METHOD FOR REDUCING COMPLEXITY OF MIMO RECEIVER WHICH SHARES PREPROCESSING FILTER IN A GROUP UNIT BY ADAPTIVELY USING COVARIANCE MATRIX 有权通过适应性使用协变矩阵来降低组合单元中预处理过滤器的MIMO接收器的复杂度的方法公开(公告)号：US20170041061A1
公开(公告)日：2017-02-09
申请号：US15304458
申请日：2015-04-30
Applicant: LG ELECTRONICS INC.
Inventor： Kilbom LEE , Jiwon KANG , Kitae KIM , Heejin KIM
CPC classification number: H04B7/08 , H04B7/04 , H04B7/0413 , H04L5/0023 , H04L25/0204 , H04L25/021 , H04L25/0228 , H04L25/03891
Abstract: Disclosed is a method for processing a reception signal, and a MIMO receiver, the method comprising a step in which: a reference resource element (RE) is selected within an RE group that comprises a plurality of REs; generated is a preprocessing filter which will be shared by the plurality of REs in the RE group on the basis of channel information of the reference RE; on the basis of channel information of the plurality of REs other than the reference RE, generated is a covariance matrix with respect to each of the REs other than the reference RE; and reception signals with respect to each of the plurality of REs are offset by selectively using the preprocessing filter and the covariance matrix, and thereby detection signals with respect to the RE group are generated.
Abstract translation: 公开了一种处理接收信号的方法和MIMO接收机，该方法包括以下步骤：在包括多个RE的RE组内选择参考资源元素（RE）; 生成的是根据参考RE的信道信息由RE组中的多个RE共享的预处理过滤器; 基于除了参考RE之外的多个RE的信道信息，生成的是相对于参考RE以外的每个RE的协方差矩阵; 并且通过选择性地使用预处理滤波器和协方差矩阵来偏移关于多个RE中的每一个的接收信号，从而生成关于RE组的检测信号。
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38.发明申请公开(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。
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39.发明申请公开(公告)号：US20160080058A1
公开(公告)日：2016-03-17
申请号：US14888383
申请日：2014-04-30
Applicant: LG ELECTRONICS INC.
Inventor： Jiwon KANG , Kilbom LEE , Hyunsoo KO , Jaehoon CHUNG
CPC classification number: H04B7/0617 , H04B7/063 , H04B7/0689 , H04B7/0691 , H04L5/0048
Abstract: Disclosed is a method for transmitting, by a terminal, feedback information to a network for partial beamforming based on a multi-antenna in a wireless communication system. Specifically, the method comprises: a step of receiving, from the network, reference signals corresponding to antenna sections included in the multi-antenna; a step of selecting one or more beamforming mode among beamforming modes included in a candidate beamforming mode set on the basis of the reference signals, and forming feedback information related to the selected one or more beamforming modes; and a step of transmitting the feedback information to the network, and the feedback information includes a pre-coding matrix index corresponding to at least one of the antenna sections and connection coefficient information for connecting the antenna sections.
Abstract translation: 公开了一种基于无线通信系统中的多天线，由终端向网络发送用于部分波束成形的反馈信息的方法。 具体地说，该方法包括：从网络接收对应于包括在多天线中的天线部分的参考信号的步骤; 基于参考信号设置的候选波束形成模式中包括的波束形成模式中选择一个或多个波束形成模式的步骤，以及形成与所选择的一个或多个波束形成模式相关的反馈信息; 以及将反馈信息发送到网络的步骤，并且反馈信息包括与天线部分中的至少一个对应的预编码矩阵索引和用于连接天线部分的连接系数信息。
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公开(公告)号：US20220166485A1
公开(公告)日：2022-05-26
申请号：US17430832
申请日：2020-01-28
Applicant: LG Electronics Inc.
Inventor： Kilbom LEE , Jiwon KANG , Haewook PARK
Abstract: The present disclosure discloses a method for transmitting, by means of a user equipment, uplink feedback information related to at least one cell among a plurality of cells configured to the user equipment in a wireless communication system comprising the user equipment and a base station comprising a plurality of cells, and a user equipment and a base station for supporting same. According to an embodiment applicable to the present disclosure, a user equipment may report, to a base station, only uplink feedback information related to some of a plurality of cells in which BF has occurred, and correspondingly, the base station may recognize that uplink feedback information related to a beam which is received from the user equipment includes only uplink feedback information related to some of the plurality of cells in which the BF has occurred.
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