公开(公告)号：US09860886B2

公开(公告)日：2018-01-02

申请号：US14781874

申请日：2014-04-17

Applicant: LG Electronics Inc.

Inventor： Bonghoe Kim ,  Dongyoun Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00

CPC classification number: H04W72/042 ,  H04L1/0072 ,  H04L5/001 ,  H04L5/0048 ,  H04W72/0446

Abstract: The present invention relates to a wireless access system, and provides methods for transmitting downlink data with a new carrier type (NCT) by using transmission diversity and devices for supporting same. According to one embodiment of the present invention, a method for user equipment receiving downlink data in the wireless access system supporting the new carrier type (NCT) comprises the steps of: receiving an upper layer signal comprising indication information indicating demodulation of downlink data into a user equipment-specific reference signal (URS), wherein the downlink data is transmitted by means of a distributed virtual resource block (DVRB) technique; receiving the downlink data and the URS transmitted using the DVRB technique by applying different precoding matrices to a first slot and a second slot in a subframe; demodulating the URS and estimating channel information with respect to the first slot and the second slot; and demodulating downlink data based on the channel information.

公开(公告)号：US09844036B2

公开(公告)日：2017-12-12

申请号：US14758947

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun Seo ,  Bonghoe Kim ,  Joonkui Ahn ,  Hanbyul Seo ,  Hyangsun You ,  Yunjung Yi

IPC: H04W72/04 ,  H04W4/00 ,  H04L5/00 ,  H04L5/14

CPC classification number: H04W72/0413 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0046 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094 ,  H04L5/14 ,  H04W4/70 ,  H04W72/0446

Abstract: Provided are a data transmission method for a terminal in a wireless communication system, and a terminal using the method. The terminal determines the number of information bits transmitted via a physical uplink shared channel (PUSCH), determines the energies respectively distributed to a reference signal and data comprising the information bits in accordance with the number of information bits, and transmits the reference signal and the data at the respective determined energies.

公开(公告)号：US09838162B2

公开(公告)日：2017-12-05

申请号：US14377796

申请日：2013-02-08

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun Seo ,  Joonkui Ahn ,  Suckchel Yang ,  Daesung Hwang ,  Bonghoe Kim

IPC: H04L1/18 ,  H04L1/22

CPC classification number: H04L1/1835 ,  H04L1/1812 ,  H04L1/1874 ,  H04L1/22 ,  H04L2001/0093

Abstract: The present invention relates to a method for managing a soft buffer for the hybrid automatic repeat request (HARQ) of a terminal to which a plurality of cells are set in a wireless communication system, and to an apparatus using the method. Through the method, information is received about the maximum number of cells capable of being simultaneously scheduled from among a plurality of cells, and the size of the soft buffer is determined for storing transmission blocks or code blocks of each cell on the basis of the information.

公开(公告)号：US09794845B2

公开(公告)日：2017-10-17

申请号：US14647427

申请日：2013-11-26

Applicant: LG ELECTRONICS INC.

Inventor： Daesung Hwang ,  Dongyoun Seo ,  Yunjung Yi ,  Bonghoe Kim ,  Suckchel Yang

IPC: H04W36/20 ,  H04L5/00 ,  H04J11/00 ,  H04W72/04 ,  H04B7/26 ,  H04L1/18

CPC classification number: H04W36/20 ,  H04B7/2656 ,  H04J11/005 ,  H04L1/1812 ,  H04L1/1896 ,  H04L5/00 ,  H04W72/0406 ,  H04W72/044

Abstract: According to one disclosure of the present specification, a method for applying system information changed in a terminal is presented. The method for applying the changed system information includes the steps of: receiving an indicator providing notice of a change of a system information set from a cell; receiving information on the time when the change of system information is applied; when the indicator is received in subframe n, determining that the changed system information is applied after k periods based on the information from the n subframe.

公开(公告)号：US09788226B2

公开(公告)日：2017-10-10

申请号：US14404935

申请日：2013-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Yunjung Yi ,  Joonkui Ahn ,  Bonghoe Kim

IPC: H04W24/10 ,  H04B7/04 ,  H04B7/06 ,  H04L5/00 ,  H04L1/00 ,  H04B7/0417

CPC classification number: H04W24/10 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/0626 ,  H04L1/0026 ,  H04L1/0031 ,  H04L5/0007 ,  H04L5/0057

Abstract: Provided are a method and an apparatus for reporting channel state information in a wireless communication system. A wireless device determines a Channel status information (CSI) reference resource based on a CSI configuration, and estimates CSI from the CSI reference resource. The wireless device reports the estimated CSI to a base station.

公开(公告)号：US09787450B2

公开(公告)日：2017-10-10

申请号：US14383216

申请日：2013-08-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Jonghyun Park ,  Hanbyul Seo ,  Bonghoe Kim

IPC: H04W24/10 ,  H04B7/04 ,  H04L5/00 ,  H04B7/0417

CPC classification number: H04L5/0051 ,  H04B7/0417 ,  H04B7/0486 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/0091

Abstract: The present invention relates to a wireless communication system. A method for estimating a channel by a user equipment (UE) in a wireless communication system includes receiving information about at least one channel station information (CSI) configuration for reporting CSI of one of a plurality of serving cells, determining that the same precoding matrix is applied to a plurality of resource blocks when all of the at least one CSI configuration is configured to report a precoding matrix indicator (PMI) and a rank indicator (RI), and determining that the precoding matrix is applied to one resource block when CSI configuration configured not to report the PMI and the RI is present among the at least one CSI configuration, and estimating a channel based on a result of the determination.

公开(公告)号：US09743409B2

公开(公告)日：2017-08-22

申请号：US15258659

申请日：2016-09-07

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun Seo ,  Bonghoe Kim ,  Joonkui Ahn ,  Suckchel Yang ,  Hanbyul Seo ,  Seungmin Lee ,  Yunjung Yi

IPC: H04W72/04 ,  H04L5/00 ,  H04L5/14 ,  H04J3/16 ,  H04W76/02

CPC classification number: H04W72/0453 ,  H04J3/1694 ,  H04L5/001 ,  H04L5/0055 ,  H04L5/0064 ,  H04L5/14 ,  H04L5/1469 ,  H04W72/0406 ,  H04W72/0446 ,  H04W76/10

Abstract: The present invention relates to a method and apparatus for aggregating carriers in wireless communication systems. In the method, a first carrier is set up, and a second carrier is added in addition to the first carrier. In addition, the first carrier is a time division duplex (TDD) carrier for which an uplink subframe and a downlink subframe are positioned at different times in a frame, and the second carrier is a carrier only for a downlink that consists of downlink subframes.

公开(公告)号：US09730204B2

公开(公告)日：2017-08-08

申请号：US14648317

申请日：2013-12-13

Applicant: LG Electronics Inc.

Inventor： Yunjung Yi ,  Joonkui Ahn ,  Suckchel Yang ,  Bonghoe Kim ,  Dongyoun Seo

IPC: H04W72/04 ,  H04W52/28 ,  H04L1/18 ,  H04W28/02 ,  H04W52/14 ,  H04W52/32 ,  H04W52/40

CPC classification number: H04W72/042 ,  H04L1/1812 ,  H04W28/0268 ,  H04W52/146 ,  H04W52/281 ,  H04W52/325 ,  H04W52/40

Abstract: A method for and apparatus for supporting transmission efficiency in a wireless communication system is provided. A wireless device determines a message type based on information, the message type indicating a plurality of transmission types; and performs adaptive measurement, data process, and power control according to the message type. Herein the information indicates one of the plurality of candidate message types that are predefined or are defined by a RRC message.

公开(公告)号：US20170111202A1

公开(公告)日：2017-04-20

申请号：US15310969

申请日：2015-05-22

Applicant: LG Electronics Inc.

Inventor： Bonghoe Kim ,  Yunjung Yi ,  Daesung Hwang

IPC: H04L27/34 ,  H04W48/20 ,  H04W72/04

CPC classification number: H04L27/34 ,  H04L27/0008 ,  H04W28/18 ,  H04W48/20 ,  H04W72/042

Abstract: The present invention relates to a wireless access system, and relates to methods for supporting a 256 quadrature amplitude modulation (QAM) modulation mode and devices for supporting the same. In one embodiment of the present invention, the method for supporting a 256QAM in a wireless access system can comprise the steps of: performing, by a terminal, a serving cell adding step of adding a serving cell; receiving, by the terminal, an upper layer signal including a 256QAM indicator for indicating whether a 256QAM is supported in the serving cell; and transmitting and receiving, by the terminal, data by using a first table or a second table according to the 256QAM indicator. At this time, the first table is configured to support a legacy modulation mode, and the second table can be configured to support 256QAM.

公开(公告)号：US09622225B2

公开(公告)日：2017-04-11

申请号：US14424892

申请日：2013-08-28

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Bonghoe Kim

IPC: H04W4/00 ,  H04W72/04 ,  H04W36/04 ,  H04W36/08 ,  H04L5/00 ,  H04W74/08 ,  H04W76/04 ,  H04W16/32

CPC classification number: H04W72/0413 ,  H04L5/0048 ,  H04L5/0098 ,  H04W16/32 ,  H04W36/04 ,  H04W36/08 ,  H04W72/042 ,  H04W74/0833 ,  H04W76/27

Abstract: The present application discloses a method of transmitting and receiving a signal by a terminal over a network in a wireless communication system. In particular, the method includes: receiving a downlink signal from the network through a downlink cell and transmitting an uplink signal to the network through a first uplink cell; receiving a specific message for changing an uplink cell from the network; and changing an uplink cell to a second uplink cell according to the specific message and transmitting the uplink signal to the network through the second uplink cell, wherein when changing the uplink cell, the downlink cell is maintained.