公开(公告)号：US20160241308A1

公开(公告)日：2016-08-18

申请号：US14442358

申请日：2013-08-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/01 ,  H04L5/00 ,  H04B17/10

CPC classification number: H04B7/01 ,  H04B17/104 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0053 ,  H04L25/0204 ,  H04L25/0224 ,  H04L25/03898

Abstract: A method for transmitting a reference signal to a user equipment at a base station in a wireless communication system is disclosed. The method includes transmitting a control channel and the reference signal having a first pattern for the control channel to the user equipment and transmitting a data channel and the reference signal having a second pattern for the data channel to the user equipment, wherein reference signal density of the second pattern is determined based on a coherence time of the data channel, and the first pattern includes the second pattern.

Abstract translation: 公开了一种在无线通信系统中的基站向用户设备发送参考信号的方法。 该方法包括向用户设备发送具有用于控制信道的第一模式的控制信道和参考信号，并向用户设备发送具有用于数据信道的第二模式的数据信道和参考信号，其中参考信号密度 基于数据信道的相干时间来确定第二图案，并且第一图案包括第二图案。

公开(公告)号：US20160234773A1

公开(公告)日：2016-08-11

申请号：US15022178

申请日：2014-10-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04W52/02

CPC classification number: H04W52/0206 ,  H04W88/085 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/166 ,  Y02D70/24 ,  Y02D70/25

Abstract: Disclosed are: a power control method for receiving a measurement report message with respect to an RRH from a terminal, transmitting RAT information to the terminal, receiving a wake-up request message and setting a power state of the RRH to switch-on; and a power control method for determining switch-off of the RRH on the basis of the measurement report message from the terminal, transmitting an RRH state change request message to BBUs, transmitting an RRH state change command message, switching the RRH and setting the power state of the RRH to switch-off, in a cloud RAN environment in which the RRH and the BBUs are separated.

Abstract translation: 公开了一种用于从终端接收关于RRH的测量报告消息的功率控制方法，向终端发送RAT信息，接收唤醒请求消息并设置RRH的接通电源状态; 以及功率控制方法，用于根据来自终端的测量报告消息来确定RRH的关断，向BBU发送RRH状态改变请求消息，发送RRH状态改变命令消息，切换RRH和设置功率 在RRH和BBU分离的云RAN环境中RRH状态关闭。

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：US20160205677A1

公开(公告)日：2016-07-14

申请号：US14649466

申请日：2013-10-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04

CPC classification number: H04W72/048 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0069

Abstract: A method for transmitting a reference signal by a base station to a user equipment in a wireless communication system is disclosed. The method includes transmitting the reference signal to the user equipment according to a first pattern corresponding to a first speed section, and if movement speed of the user equipment is changed to a second speed section from the first speed section, transmitting the reference signal to the user equipment according to a second pattern corresponding to the second speed section, wherein, if the second speed section is a higher-speed section than the first speed section, the second pattern includes the first pattern.

Abstract translation: 公开了一种用于在无线通信系统中将用于基站的参考信号发送给用户设备的方法。 该方法包括根据对应于第一速度部分的第一模式将参考信号发送到用户设备，并且如果用户设备的移动速度从第一速度部分改变为第二速度部分，则将参考信号发送到 用户设备，其中，如果所述第二速度段是比所述第一速度段更高速段，则所述第二模式包括所述第一模式。

公开(公告)号：US20160192181A1

公开(公告)日：2016-06-30

申请号：US14912039

申请日：2014-09-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04W8/22 ,  H04L12/26 ,  H04W16/32 ,  H04W24/10

CPC classification number: H04W8/245 ,  H04B7/26 ,  H04B17/00 ,  H04B17/382 ,  H04L25/00 ,  H04L43/06 ,  H04W16/32 ,  H04W24/02 ,  H04W24/08 ,  H04W24/10 ,  H04W88/085

Abstract: Disclosed are a BBU and a method of obtaining RRU information, which comprises, in a heterogeneous cell environment in which a macro cell and small cell coexist, a BBU receiving, from a terminal and via a serving RRU of the terminal connected to the BBU, a measurement reporting message that includes information on an RRU transmitting, to the terminal, a reference signal at an intensity equal to or stronger than a threshold value, and determining the RRU as a neighboring RRU of the serving RRU by using information included in the measurement reporting message.

Abstract translation: 本发明公开了一种BBU和获取RRU信息的方法，其包括在宏小区和小小区共存的异构小区环境中BBU从终端接收和经由连接到BBU的终端的服务RRU， 测量报告消息，其包括关于RRU以等于或大于阈值的强度向终端发送参考信号的信息，以及通过使用包括在测量中的信息将RRU确定为服务RRU的相邻RRU 报告信息。

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：US20160165521A1

公开(公告)日：2016-06-09

申请号：US14909005

申请日：2014-08-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04W48/10 ,  H04W48/16

CPC classification number: H04W48/10 ,  H04W48/16

Abstract: The present invention relates to a wireless access system, and provides a method of transmitting and receiving cell information by using a synchronization signal in a small-cell layout environment and a device supporting the same. A method of transmitting cell information in a wireless access system as an embodiment of the present invention may include the steps of: configuring one or more pieces of cell information by means of a base station; configuring a downlink synchronization signal including one or more pieces of cell information by means of the base station; and broadcasting the downlink synchronization signal by means of the base station. In this case, the cell information is configured to be information different from the downlink synchronization information configured based on the downlink synchronization signal.

Abstract translation: 无线接入系统技术领域本发明涉及一种无线接入系统，提供一种通过使用小小区布局环境中的同步信号和支持小区信息的装置来发送和接收小区信息的方法。 作为本发明的实施例的在无线接入系统中发送小区信息的方法可以包括以下步骤：通过基站配置一个或多个小区信息; 通过所述基站配置包括一个或多个小区信息的下行链路同步信号; 并且通过基站广播下行链路同步信号。 在这种情况下，小区信息被配置为与基于下行链路同步信号配置的下行链路同步信息不同的信息。

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。