公开(公告)号：US20170079047A1

公开(公告)日：2017-03-16

申请号：US15120218

申请日：2014-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom LEE ,  Jiwon KANG ,  Kitae KIM

IPC: H04W72/08 ,  H04L5/00

CPC classification number: H04W72/082 ,  H04B7/0413 ,  H04B7/0452 ,  H04L5/0048 ,  H04L25/03968

Abstract: Disclosed herein are a received signal processing method including selecting a reference resource element (RE) from an RE group including a plurality of REs, generating a common filter to be shared among the plurality of REs of the RE group based on channel information of the reference RE, detecting primary signals, from which channel influence is removed, of the plurality of REs by applying the common filter to received signals of the plurality of REs, and generating secondary signals by compensating for primary signals of REs except for the reference RE among the plurality of REs using channel information of the REs, and a multiple input multiple output (MIMO) receiver.

Abstract translation: 这里公开了一种接收信号处理方法，包括从包括多个RE的RE组中选择参考资源元素（RE），基于参考的信道信息生成要在RE组的多个RE中共享的公共滤波器 RE，通过对多个RE的接收信号应用公共滤波器来检测多个RE的信道影响的主信号，并且通过补偿除RE之外的参考RE的主信号，生成辅信号 使用RE的信道信息的多个RE，以及多输入多输出（MIMO）接收机。

公开(公告)号：US20170048029A1

公开(公告)日：2017-02-16

申请号：US15307282

申请日：2015-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom LEE ,  Jiwon KANG ,  Kitae KIM ,  Heejin KIM

IPC: H04L5/00 ,  H04B7/04

CPC classification number: H04L5/0005 ,  H04B7/04 ,  H04B7/0413 ,  H04B7/06 ,  H04L5/00 ,  H04L27/26

Abstract: Disclosed are a communication method and a MIMO transmitter for measuring the inter-channel relationship of a plurality of resource elements (REs) on the basis of channel information of the plurality of REs, and dividing the plurality of REs in consideration of the measured inter-channel relationship, thereby forming one or more RE groups, and transmitting information on the RE groups to a MIMO receiver.

Abstract translation: 公开了一种通信方法和MIMO发送器，用于基于多个RE的信道信息来测量多个资源元素（RE）的信道间关系，并且考虑到所测量的多个RE之间的多个RE， 从而形成一个或多个RE组，并且将关于RE组的信息发送到MIMO接收机。

公开(公告)号：US20160345257A1

公开(公告)日：2016-11-24

申请号：US15158064

申请日：2016-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Kyungmin PARK ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Heejin KIM

IPC: H04W48/20 ,  H01Q21/00 ,  H04B7/08 ,  H01Q1/32

CPC classification number: H04B7/0808 ,  H01Q1/3275 ,  H01Q21/28 ,  H04B7/0404 ,  H04B7/0874 ,  H04W88/06

Abstract: The present document is for a wireless communication with reduced internal signaling burden in the distributed antenna system (DAS). In the proposed method, a user equipment (UE) receives signals, from the network, by multiple distributed unit (DUs) distributed within the UE, wherein the multiple DUs comprise one or more main DUs and one or more sub DUs; reports, by the sub DUs, first reception information of the signals to one of the main DUs; reports, by the one of the main DUs, second reception information of the signals to a central unit (CU) controlling the multiple DUs based on the first reception information of the signals; and determines, at the CU, which one or more DUs among the multiple DUs are to transfer the received signals to the CU based on the second reception information of the signals.

Abstract translation: 本文件用于在分布式天线系统（DAS）中减少内部信令负担的无线通信。 在所提出的方法中，用户设备（UE）通过分布在UE内的多个分布式单元（DU）从网络接收信号，其中多个DU包括一个或多个主要PDU和一个或多个子分组; 通过子DU将信号的第一接收信息报告给主DU之一; 根据信号的第一接收信息，通过主DU之一报告信号的第二接收信息到控制多个PDU的中央单元（CU）; 并且在所述CU中确定所述多个PDU中的哪一个或多个DU将所接收的信号传送到所述CU，基于所述信号的所述第二接收信息。

公开(公告)号：US20160241323A1

公开(公告)日：2016-08-18

申请号：US15029194

申请日：2014-11-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04L5/00 ,  H04W72/04 ,  H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0691 ,  H04B7/0695 ,  H04L5/0023 ,  H04L5/0048 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system. A method for transmitting a signal from a base station in a wireless communication system supporting multiuser-multiple input and multiple output (MU-MIMO), according to one embodiment of the present invention, comprises the steps of: generating beams of subgroups including a plurality of terminals using analog beamforming; differentiating signals transmitted to each of the terminals using digital beamforming; and transmitting, to the terminals, signals generated based on analog beamforming and digital beamforming, wherein the weight of analog beamforming may be determined based on channel state information obtained through an uplink reference signal.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 根据本发明的一个实施例，一种用于在支持多用户多输入多输出（MU-MIMO）的无线通信系统中从基站发送信号的方法包括以下步骤：生成包括多个 使用模拟波束成形的端子; 使用数字波束形成来区分发送到每个终端的信号; 以及向所述终端发送基于模拟波束形成和数字波束成形产生的信号，其中可以基于通过上行链路参考信号获得的信道状态信息来确定模拟波束成形的权重。

公开(公告)号：US20160219621A1

公开(公告)日：2016-07-28

申请号：US14917494

申请日：2014-09-05

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Kilbom LEE ,  Jaehoon CHUNG ,  Jinmin KIM

IPC: H04W74/00 ,  H04L27/26

CPC classification number: H04W74/008 ,  H04L27/2601 ,  H04L27/2678 ,  H04W56/0005 ,  H04W56/0055

Abstract: The present invention provides a method for detecting an uplink synchronization signal in a wireless access system supporting a high-frequency band, a method for designing a detection filter for the same and an apparatus for supporting the same. According to one embodiment of the present invention, a method for detecting a random access channel signal by a base station in a wireless access system supporting the high-frequency band comprises: allocating a cyclic shift value used in the base station; configuring a received signal vector for a signal transmitted via a random access channel; detecting at least one RACH signal from the received signal vector, using a frequency domain detecting filter; and identifying at least one terminal having transmitted at least one RACH signal, using a target terminal detecting filter, wherein the filter for detecting a target terminal may be set on the basis of the cyclic shift value.

Abstract translation: 本发明提供一种在支持高频带的无线接入系统中检测上行链路同步信号的方法，用于设计其的检测滤波器的方法及其支持装置。 根据本发明的一个实施例，一种用于在支持高频带的无线接入系统中由基站检测随机接入信道信号的方法包括：分配在基站中使用的循环移位值; 配置经由随机接入信道发送的信号的接收信号矢量; 使用频域检测滤波器从接收信号矢量检测至少一个RACH信号; 以及使用目标终端检测滤波器识别发送了至少一个RACH信号的至少一个终端，其中可以基于循环移位值设置用于检测目标终端的滤波器。

公开(公告)号：US20160173252A1

公开(公告)日：2016-06-16

申请号：US14910065

申请日：2014-02-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/04 ,  H04B7/02

CPC classification number: H04L5/0048 ,  G07F9/00 ,  G07F11/38 ,  G07F11/50 ,  H04B7/024 ,  H04B7/0404 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0482 ,  H04B7/0691 ,  H04B7/0874 ,  H04B7/26

Abstract: The base station, receiving first pilot signals transmitted via each of multiple antennas of a user equipment (UE), selects one or more reference codebooks based on channel qualities of the received first pilot signals, and selects one or more sub-channels for each of the reference codebooks. Based on this, the base station determines one or more virtual channels, wherein each of the virtual channels comprises one reference codebook and the one or more sub channels selected for the one reference codebook, wherein the sub-channels are selected to minimum distance between corresponding virtual channel and corresponding reference codebook. And, the base station transmits antenna combining information to the UE, wherein the antenna combining information combines the multiple antennas of the UE into one or more antenna groups corresponding to the one or more virtual channels; and receive second pilot signals transmitted by the UE based on the antenna combining information.

Abstract translation: 基站接收通过用户设备（UE）的多个天线中的每一个发送的第一导频信号，基于所接收的第一导频信号的信道质量来选择一个或多个参考码本，并且选择一个或多个子信道 参考码本。 基于此，基站确定一个或多个虚拟信道，其中每个虚拟信道包括一个参考码本和为一个参考码本选择的一个或多个子信道，其中子信道被选择为相应的最小距离 虚拟通道和相应的参考码本。 并且，基站向UE发送天线组合信息，其中天线组合信息将UE的多个天线组合成与一个或多个虚拟信道相对应的一个或多个天线组; 并且基于天线组合信息接收由UE发送的第二导频信号。

公开(公告)号：US20160173183A1

公开(公告)日：2016-06-16

申请号：US14902792

申请日：2014-06-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04B17/309 ,  H01Q1/24

CPC classification number: H04B7/0691 ,  H01Q1/246 ,  H01Q3/06 ,  H01Q25/00 ,  H04B7/0617 ,  H04B7/0619 ,  H04B17/309

Abstract: A method for receiving a signal from a base station by a user equipment, using massive antenna array based beamforming of the base station in a wireless communication system is disclosed. The method includes receiving, from the base station, antenna shuffling information corresponding to a preferred antenna port set among a plurality of antenna ports included in the massive antenna array, measuring channel state information according to the antenna shuffling information and reporting the channel state information to the base station, and receiving, from the base station, a beamformed signal using the preferred antenna port set based on the channel state information, wherein the antenna shuffling information includes at least one of information about a start index of antenna ports included in the preferred antenna port set and information about a direction to which antenna port indexes are allocated.

Abstract translation: 公开了一种用于在无线通信系统中使用基站的基于基站的波束成形的用户设备从基站接收信号的方法。 该方法包括从基站接收与包括在海量天线阵列中的多个天线端口中设置的优选天线端口对应的天线混洗信息，根据天线混洗信息测量信道状态信息并将信道状态信息报告给 基站，并且使用基于信道状态信息的优选天线端口从基站接收波束形成的信号，其中天线混洗信息包括关于包括在优选的天线端口中的天线端口的起始索引的信息中的至少一个 天线端口集和有关分配天线端口索引的方向的信息。

公开(公告)号：US20160150418A1

公开(公告)日：2016-05-26

申请号：US14907388

申请日：2014-06-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04W16/28 ,  H04W24/10 ,  H04L12/26

CPC classification number: H04W16/28 ,  H04B7/0617 ,  H04L43/16 ,  H04W24/10 ,  H04W64/006

Abstract: Disclosed herein is a method for, at a user equipment (UE), reporting velocity information to a base station for multi-antenna based beamforming in a wireless communication system. The method includes receiving a predefined signal from the base station, calculating at least one piece of movement velocity information of a vertical beamforming direction movement velocity vw and horizontal beamforming direction movement velocity vx of the UE based on the predefined information, and reporting the at least one piece of movement velocity information to the base station. The predefined signal is used to calculate a velocity vb of the UE in a direction of the base station.

Abstract translation: 本文公开了一种用于在用户设备（UE）向无线通信系统中的基于多天线的波束成形的基站报告速度信息的方法。 该方法包括从基站接收预定义的信号，基于预定义的信息计算UE的垂直波束成形方向移动速度vw和水平波束形成方向移动速度vx的至少一条移动速度信息，并且至少报告 一个移动速度信息到基站。 预定义信号用于计算UE在基站方向上的速度vb。

公开(公告)号：US20160149680A1

公开(公告)日：2016-05-26

申请号：US14898439

申请日：2014-06-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04L5/0051

Abstract: A method for transmitting a signal to a receiver by a transmitter in a wireless communication system is disclosed. The method includes mapping one or more transmission steams to first logical antenna ports, mapping signals mapped to the first logical antenna ports to second logical antenna ports, and mapping signals mapped to the second logical antenna ports to physical antennas to transmit the signals mapped to the physical antennas to the receiver, wherein the number of the first logical antenna ports is less than or equal to the number of the second logical antenna ports and varies with a channel state between the transmitter and the receiver.

Abstract translation: 公开了一种在无线通信系统中由发射机向接收机发送信号的方法。 该方法包括将一个或多个传输流映射到第一逻辑天线端口，将映射到第一逻辑天线端口的信号映射到第二逻辑天线端口，以及将映射到第二逻辑天线端口的信号映射到物理天线，以发射映射到 物理天线到接收机，其中第一逻辑天线端口的数量小于或等于第二逻辑天线端口的数量，并且随着发射机和接收机之间的信道状态而变化。

公开(公告)号：US20150341099A1

公开(公告)日：2015-11-26

申请号：US14758759

申请日：2013-12-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04B7/04 ,  H04W24/10

CPC classification number: H04L5/0057 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0634 ,  H04W24/10

Abstract: A method for performing fractional beamforming using a massive antenna array at a Base Station (BS) in a wireless communication system is disclosed. The method includes dividing the massive antenna array by rows or by columns into partitions, receiving feedback information about the partitions from a User Equipment (UE), determining sub-precoders for the partitions based on the feedback information, and transmitting a signal to the UE by performing beamforming using the sub-precoders and a linking precoder that links the partitions to each other.

Abstract translation: 公开了一种用于在无线通信系统中的基站（BS）处使用海量天线阵列执行分数波束成形的方法。 该方法包括将大量天线阵列按行或列划分成分区，从用户设备（UE）接收关于分区的反馈信息，基于反馈信息确定分区的子预编码器，以及向UE发送信号 通过使用子预编码器执行波束成形和将分隔部彼此链接的链接预编码器。