公开(公告)号：US09264115B2

公开(公告)日：2016-02-16

申请号：US14407427

申请日：2013-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Sungho Park ,  Kyujin Park ,  Jiwoong Jang ,  Hangyu Cho ,  Jiwon Kang ,  Dongcheol Kim ,  Dongguk Lim

IPC: H04B7/04 ,  H04B7/06 ,  H04L27/26 ,  H04W24/10

CPC classification number: H04B7/0417 ,  H04B7/0626 ,  H04B7/0632 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0031 ,  H04L27/2626 ,  H04L27/2647 ,  H04W4/027 ,  H04W24/10

Abstract: The present invention relates to a method in which a signal is transmitted between a base station and a terminal in a multi-antenna wireless communication system. The method transmits pre-estimated channel information to the terminal when the terminal moves to a specific position when channel estimation for a specific position is performed. As for the terminal which moves along a fixed route or the route of which can be estimated, the position of the terminal in the near future can be easily detected. Therefore, the transception of channel information can be performed in a more efficient manner in consideration of the above-described special environment.

Abstract translation: 本发明涉及在多天线无线通信系统中在基站与终端之间传输信号的方法。 当执行特定位置的信道估计时，当终端移动到特定位置时，该方法向终端发送预估信道信息。 对于沿着固定路线移动或可以估计路线的终端，可以容易地检测终端在不久的将来的位置。 因此，考虑到上述特殊环境，可以更有效地进行信道信息的截取。

公开(公告)号：US09161284B2

公开(公告)日：2015-10-13

申请号：US13780473

申请日：2013-02-28

Applicant: LG Electronics Inc.

Inventor： Dongguk Lim ,  Dongcheol Kim ,  Kyujin Park ,  Jiwoong Jang ,  Hangyu Cho ,  Jiwon Kang ,  Sungho Park

IPC: H04W36/32 ,  H04W36/16

CPC classification number: H04W36/32 ,  H04W36/165

Abstract: A method for performing handover at a mobile terminal which moves along an established path in a wireless communication system includes transmitting an indicator indicating a handover type to a serving base station without performing measurement with respect to neighboring base stations and movement path information and transmitting current position information of the mobile terminal to the serving base station.

Abstract translation: 一种在无线通信系统中沿着建立的路径移动的移动终端执行切换的方法包括：向服务基站发送指示切换类型的指示符，而不对相邻基站进行测量，并且发送当前位置 移动终端向服务基站的信息。

公开(公告)号：US09143971B2

公开(公告)日：2015-09-22

申请号：US13868870

申请日：2013-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk Lim ,  Dongcheol Kim ,  Jiwoong Jang ,  Hangyu Cho ,  Jiwon Kang ,  Sungho Park

IPC: H04W24/10 ,  H04W64/00 ,  H04W84/12 ,  G01S5/06

CPC classification number: H04W24/10 ,  G01S5/06 ,  H04W64/00 ,  H04W84/12

Abstract: A method for estimating a location of a mobile station includes transmitting a position request signal, including at least departure time information or an identifier of the mobile station, to an AP by synchronizing with the AP, receiving first position information, including at least a calculated first location of the mobile station or a calculated first distance between the mobile station and the AP and departure time information of a position response signal, from the AP, calculating a ToA of a signal between the mobile station and the AP based on the departure time information of the position response signal, calculating at least a second distance between the mobile station and the AP or a second location of the mobile station using the ToA, and determining a final location of the mobile station based on the first position information and at least the second distance or the second location.

Abstract translation: 一种用于估计移动站的位置的方法包括：通过与AP同步，向AP发送包括至少出发时间信息或移动站的标识符的位置请求信号，接收第一位置信息，该信息至少包括计算出的 移动站的第一位置或移动站与AP之间的计算出的第一距离以及位置响应信号的出发时间信息，从AP计算移动站和AP之间的信号的ToA，基于出发时间 位置响应信号的信息，使用ToA计算移动站与AP之间的至少第二距离或移动站的第二位置，以及基于第一位置信息确定移动站的最终位置，并至少 第二距离或第二位置。

公开(公告)号：US20150200722A1

公开(公告)日：2015-07-16

申请号：US14406023

申请日：2013-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Dongcheol Kim ,  Jiwoong Jang ,  Hangyu Cho ,  Sungho Park ,  Dongguk Lim

IPC: H04B7/15

CPC classification number: H04B7/15 ,  H04B7/0413 ,  H04B7/1555

Abstract: A method and apparatus for transmitting an uplink signal in a wireless communication system are disclosed. A transmission apparatus for receiving an uplink (UL) signal from a user equipment (UE) and transmitting the received UL signal to a base station (BS) in a wireless communication system includes: a plurality of reception antennas configured to receive UL signals from the UE; a radio frequency (RF) repeater configured to amplify and map the received UL signals to at least one transmission antenna; and a plurality of transmission antennas configured to transmit the amplified UL signals to the BS, wherein the RF repeater is configured to select M received UL signals from among a plurality of received UL signals which are received in the plurality of reception antennas, and map the M received UL signals to N transmission antennas from among the plurality of transmission antennas, and the number of the reception antennas (Nrx,REP) is higher than the number of the transmission antennas (Ntx,REP), and N is the number of the transmission antennas which is used to transmit the M received UL signals.

Abstract translation: 公开了一种用于在无线通信系统中发送上行链路信号的方法和装置。 一种用于从用户设备（UE）接收上行链路（UL）信号并将接收的UL信号发射到无线通信系统中的基站（BS）的传输装置包括：多个接收天线，被配置为从 UE; 射频（RF）中继器，被配置为将所接收的UL信号放大并映射到至少一个发射天线; 以及多个发送天线，被配置为将放大的UL信号发送到BS，其中，RF中继器被配置为从在多个接收天线中接收的多个接收到的UL信号中选择接收到的M个M个信号， M从多个发送天线中的N个发送天线接收到UL信号，并且接收天线的数量（Nrx，REP）比发送天线的数量（Ntx，REP）高，并且N是 用于发送M个接收的UL信号的发送天线。

公开(公告)号：US20150195025A1

公开(公告)日：2015-07-09

申请号：US14424621

申请日：2013-09-02

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Dongcheol Kim ,  Hangyu Cho ,  Sungho Park ,  Dongguk Lim

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0408 ,  H04B7/0413 ,  H04B7/0469 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0091 ,  H04W16/28 ,  H04W64/006

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for virtualizing an antenna. A method for communicating using a virtual antenna of a terminal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: configuring one or more virtual antennas according to an antenna virtualization pattern that is determined based on information indicating a movement status of the terminal and/or information indicating a communication status of the terminal; and communicating with the base station by using the one or more virtual antennas, wherein one or more physical antennas that are mapped to the one or more virtual antennas can be determined base on the direction of movement of the terminal.

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，更具体地说，涉及一种虚拟化天线的方法和装置。 根据本发明的一个实施例，使用无线通信系统中的终端的虚拟天线进行通信的方法包括以下步骤：根据天线虚拟化模式配置一个或多个虚拟天线，所述天线虚拟化模式基于指示 终端的移动状态和/或指示终端的通信状态的信息; 以及通过使用所述一个或多个虚拟天线与所述基站通信，其中可以基于所述终端的移动方向来确定映射到所述一个或多个虚拟天线的一个或多个物理天线。

公开(公告)号：US20150173050A1

公开(公告)日：2015-06-18

申请号：US14407841

申请日：2013-06-19

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Dongcheol Kim ,  Jiwoong Jang ,  Hangyu Cho ,  Sungho Park ,  Dongguk Lim

IPC: H04W72/04 ,  H04B7/06 ,  H04B7/04 ,  H04B7/08 ,  H04W72/02 ,  H04W72/08

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/0632 ,  H04B7/0691 ,  H04B7/0814 ,  H04B7/1555 ,  H04W72/02 ,  H04W72/046 ,  H04W72/08

Abstract: A method and apparatus for transmitting a downlink signal in a wireless communication system are disclosed. An apparatus for receiving a downlink (DL) signal from a base station (BS) and transmitting the received DL signal to a user equipment (UE) in a wireless communication includes: a plurality of reception antennas configured to receive DL signals from the BS; a processor configured to map the received DL signals to at least one transmission antenna; and a plurality of transmission antennas configured to transmit the received DL signals to the UE, wherein the processor is configured to select M transmission antenna(s) from among the plurality of transmission antennas (Ntx,REP Tx antennas), and map the received L signals to the M transmission antenna(s), and the number of the transmission antennas (Ntx,REP) is higher than the number of the reception antennas (Nrx,REP), and M is the number of the transmission antennas which is used to transmit the received DL signals.

Abstract translation: 公开了一种用于在无线通信系统中发送下行链路信号的方法和装置。 一种用于在无线通信中从基站（BS）接收下行链路（DL）信号并将接收到的DL信号发送给用户设备的装置包括：多个接收天线，被配置为从BS接收DL信号; 处理器，被配置为将所接收的DL信号映射到至少一个发射天线; 以及多个发送天线，被配置为将所接收的DL信号发送到所述UE，其中，所述处理器被配置为从所述多个发送天线（Ntx，REP Tx天线）中选择M个发送天线，并且将所接收的L 信号到M个发送天线，并且发送天线的数量（Ntx，REP）高于接收天线的数量（Nrx，REP），M是用于发送天线的数量 发送接收到的DL信号。

公开(公告)号：US20150124895A1

公开(公告)日：2015-05-07

申请号：US14407417

申请日：2013-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Sungho Park ,  Kyujin Park ,  Jiwoong Jang ,  Hangyu Cho ,  Jiwon Kang ,  Dongcheol Kim ,  Dongguk Lim

IPC: H04L27/26

CPC classification number: H04B7/0417 ,  H04B7/0626 ,  H04B7/0632 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0031 ,  H04L27/2626 ,  H04L27/2647 ,  H04W4/027 ,  H04W24/10

Abstract: The present invention relates to a method in which a signal is transmitted between a base station and a terminal in a multi-antenna wireless communication system. The method transmits pre-estimated channel information to the terminal when the terminal moves to a specific position when channel estimation for a specific position is performed. As for the terminal which moves along a fixed route or the route of which can be estimated, the position of the terminal in the near future can be easily detected. Therefore, the transception of channel information can be performed in a more efficient manner in consideration of the above-described special environment.

公开(公告)号：US20230144839A1

公开(公告)日：2023-05-11

申请号：US17911888

申请日：2020-03-18

Applicant: LG ELECTRONICS INC.

Inventor： Sunam Kim ,  Sungho Park ,  Jaehwan Kim

IPC: H04B1/12 ,  H04B1/10

CPC classification number: H04B1/123 ,  H04B1/1027

Abstract: Disclosed is a phase noise compensation method performed by a terminal. The terminal may: receive a signal, wherein the signal is transmitted via multiple symbols; estimate phase noise for each of multiple phase noise estimation sections included in the multiple symbols in the time domain, wherein each of the multiple phase noise estimation sections is included in cyclic prefixes (CPs) included in the respective multiple symbols; and perform the phase noise compensation on the multiple symbols in the time domain on the basis of the estimated phase noise.

公开(公告)号：US10927830B2

公开(公告)日：2021-02-23

申请号：US16292859

申请日：2019-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Kyunghoon Jung ,  Sungho Park

IPC: F04B49/06 ,  F04B39/12 ,  H02P27/08 ,  H02P6/20 ,  H02P23/00 ,  H02P23/06

Abstract: The present disclosure relates to a compressor control apparatus and a compressor control method thereof, and more particularly, to a compressor control apparatus for controlling a switching operation of a switching device to control the start-up of a compressor motor and a compressor control method thereof.

公开(公告)号：US10119536B2

公开(公告)日：2018-11-06

申请号：US15519919

申请日：2015-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Jaeyoo Yoo ,  Sungho Park ,  Gyunam Kim

IPC: H02K33/00 ,  F04B49/06 ,  F04B35/04 ,  H02P27/06 ,  H02M1/14 ,  H02M5/458 ,  H02P25/032

Abstract: A compressor control apparatus includes a rectifying unit configured to rectify power applied from the outside, a DC link unit configured to include a pair of capacitors and smooth the rectified voltage, an inverter unit configured to include a pair of switches and convert the smoothed DC voltage into a driving voltage of a motor according to a control signal, and a control unit configured to generate the control signal, wherein the control unit applies a DC offset voltage to the driving voltage according to a direction of a current applied to the motor on the basis of a result obtained by comparing voltages across the pair of capacitors.