公开(公告)号：US20140086352A1

公开(公告)日：2014-03-27

申请号：US14094504

申请日：2013-12-02

Applicant: LG ELECTRONICS INC.

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

IPC: 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 and apparatus for transmitting effective channel status information (CSI) in a wireless communication system supporting multiple carriers are disclosed. A method for transmitting CSI of DL transmission via uplink in a wireless communication system includes transmitting a rank indicator (RI) at a first subframe, and transmitting a first precoding matrix indicator (PMI), a second PMI, and a wideband (WB) channel quality indicator (CQI) at a second subframe. UE preferred precoding matrix is indicated by a combination of the first PMI and the second PMI. A subsampled codebook for each precoding codebook of ranks from Rank-1 to Rank-4 is applied to the first PMI and the second PMI, and a sum of the first PMI and the second PMI for each of Rank-1 to Rank-4 is comprised of 4 bits.

Abstract translation: 公开了一种用于在支持多个载波的无线通信系统中发送有效信道状态信息（CSI）的方法和装置。 一种用于在无线通信系统中经由上行链路传输DL传输的CSI的方法包括：在第一子帧处发送秩指示符（RI），并发送第一预编码矩阵指示符（PMI），第二PMI和宽带（WB）信道 在第二子帧处的质量指示符（CQI）。 UE优选预编码矩阵由第一PMI和第二PMI的组合指示。 将从Rank-1到Rank-4的每个预编码码本的子采样码本应用于第一PMI和第二PMI，并且Rank-1至Rank-4中的每一个的第一PMI和第二PMI的和是 由4位组成。

公开(公告)号：US20250047421A1

公开(公告)日：2025-02-06

申请号：US18692951

申请日：2021-09-16

Applicant: LG Electronics Inc.

Inventor： Jongku LEE ,  Sunam KIM ,  Sungryong HONG ,  Dongsun LEE

IPC: H04L1/1822 ,  H04L1/1829 ,  H04W72/232

Abstract: A HARQ operation method of a UE in a wireless communication system, and an apparatus using the method are provided. The method comprises receiving one piece of DCI related to scheduling of a plurality of data channels, and receiving or transmitting at least one from the plurality of data channels based on the DCI. Each of the plurality of data channels is related to a different HARQ process number in an ascending order, the DCI includes information informing of the at least one data channel based on the HARQ process numbers, and the information includes i) a start HARQ process number from among HARQ process numbers related to the at least one data channel, and ii) a discontinuous HARQ process indicator (DHPI) informing whether each of HARQ process numbers next to the start HARQ process number from among the HARQ process numbers is used.

公开(公告)号：US20240348384A1

公开(公告)日：2024-10-17

申请号：US18685810

申请日：2021-08-27

Applicant: LG Electronics Inc.

Inventor： Hyunmin KIM ,  Sunam KIM ,  Young Dae KIM

IPC: H04L5/00

CPC classification number: H04L5/0035 ,  H04L5/0051

Abstract: Disclosed herein are a method for operating a uplink CoMP and a device using the same. As an example of the present disclosure, a method for operating a user equipment in a wireless communication system may include transmitting, by the user equipment, user equipment capability information to a primary-transmission reception point (TRP), receiving, by the user equipment, a radio resource control (RRC) reconfiguration request message from the primary-TRP, and transmitting, by the user equipment, data to the primary-TRP and a secondary-TRP. Herein, the user equipment capability information may include beam information of the user equipment, and the beam information of the user equipment may include information regarding whether or not the user equipment uses at least one of a phase array antenna (PAA) and multi-beams. Resources of the primary-TRP and the secondary-TRP may be allocated based on the beam information of the user equipment.

公开(公告)号：US20240267933A1

公开(公告)日：2024-08-08

申请号：US18557885

申请日：2021-05-14

Applicant: LG ELECTRONICS INC.

Inventor： Jong Ku LEE ,  Sunam KIM ,  Sung Ryong HONG

IPC: H04W72/232 ,  H04W72/04

CPC classification number: H04W72/232 ,  H04W72/04

Abstract: In order to transmit and receive data in a wireless communication system, a method performed by a base station comprises transmitting a downlink control information (DCI) and transmitting a plurality of transport blocks through resources indicated by the DCI. The plurality of transport blocks may comprise a first-type transport block and at least one second-type transport block, the DCI may comprise modulation order and coding rate information of the first-type transport block, and the first-type transport block may comprise coding rate information of the at least one second-type transport block.

公开(公告)号：US20230319656A1

公开(公告)日：2023-10-05

申请号：US17912939

申请日：2020-03-25

Applicant: LG Electronics Inc.

Inventor： Ikjoo JUNG ,  Ilhwan KIM ,  Jongku LEE ,  Sunam KIM

IPC: H04W36/00 ,  H04W36/08 ,  G06N3/08 ,  G06N3/045

CPC classification number: H04W36/0072 ,  H04W36/0061 ,  H04W36/08 ,  G06N3/08 ,  G06N3/045

Abstract: Disclosed is a method for transmitting and receiving data by a terminal in a wireless communication system according to the present document, the method comprising the steps of: receiving configuration information from a base station; and receiving data, on the basis of the configuration information. The configuration information includes information about a first receiver model and a first zone to which the base station belongs, the first zone includes one or more base stations adjacent to the base station, and the first receiver model is generated on the basis of a combination of receiver models that are trained by the base stations within the first zone, according to a machine learning step.

公开(公告)号：US20170346540A1

公开(公告)日：2017-11-30

申请号：US15532946

申请日：2015-06-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0413

CPC classification number: H04B7/0626 ,  H04B7/04 ,  H04B7/0413 ,  H04B7/06 ,  H04B7/0619 ,  H04L5/0048 ,  H04L5/0057

Abstract: Disclosed in the present application is a method by which a terminal generates channel state information for multi-antenna-based beamforming in a wireless communication system. Specifically, the method comprises the steps of: receiving a first pilot signal and a second pilot signal from a base station; selecting a first rank on the basis of the first pilot signal and selecting a second rank on the basis of the second pilot signal; setting a rank search range for a three-dimensional channel on the basis of the first rank and the second rank; and selecting a rank for the three-dimensional channel within the rank search range and a precoder corresponding to the rank for the three-dimensional channel.

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.

公开(公告)号：US20160255605A1

公开(公告)日：2016-09-01

申请号：US15033454

申请日：2013-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Soocheol KYEONG ,  Sungho PARK ,  Kyunghaeng LEE ,  Hyunsoo KO ,  Sunam KIM

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

CPC classification number: H04W72/005 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0691 ,  H04H20/72 ,  H04W72/046

Abstract: The present application discloses a method for transmitting, by a base station, a broadcast channel through a massive multiple-input multiple output (MIMO) antenna in a wireless communication system. Specifically, the method comprises the steps of: selecting broadcast channel dedicated antenna elements from among all antenna elements of the massive MIMO antenna; and transmitting the broadcast channel by performing a beamforming using the broadcast channel dedicated antenna elements. In the present invention, the power applied to the broadcast channel dedicated antenna elements in greater than the voltage applied to the remaining antenna elements.

Abstract translation: 本申请公开了一种通过无线通信系统中的大量多输入多输出（MIMO）天线由基站发送广播信道的方法。 具体地说，该方法包括以下步骤：从大规模MIMO天线的所有天线元件中选择广播信道专用天线元件; 以及通过使用广播信道专用天线元件执行波束成形来发送广播信道。 在本发明中，施加到广播信道专用天线元件的功率大于施加到其余天线元件的电压。

公开(公告)号：US20160219504A1

公开(公告)日：2016-07-28

申请号：US14916968

申请日：2014-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Heejeong CHO ,  Hyunsoo KO ,  Eunjong LEE ,  Sunam KIM ,  Hyeyoung CHOI

IPC: H04W48/20 ,  H04W52/32 ,  H04W52/24

CPC classification number: H04W48/20 ,  H04W48/16 ,  H04W52/242 ,  H04W52/325 ,  H04W84/045 ,  H04W88/06

Abstract: The present invention provides a method for selecting a cell by a terminal which is capable of establishing a radio connection through a plurality of radio interfaces. The terminal comprises a signal transmitting/receiving unit and a processor connected to the signal transmitting/receiving unit. The processor may receive, from a base station, system information about pilot transmission power and an uplink reception power limit, estimate the amount of path loss on the basis of the pilot transmission power and measured pilot reception power, and determine whether to connect to the base station on the basis of the uplink reception power limit and the amount of path loss.

Abstract translation: 本发明提供了一种能够通过多个无线接口建立无线连接的终端来选择小区的方法。 终端包括信号发送/接收单元和连接到信号发送/接收单元的处理器。 处理器可以从基站接收关于导频发射功率和上行链路接收功率限制的系统信息，基于导频发射功率和测量的导频接收功率来估计路径损耗量，并且确定是否连接到 基站的上行接收功率限制和路径损耗量。

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.