公开(公告)号：US10050818B2

公开(公告)日：2018-08-14

申请号：US15541214

申请日：2016-01-12

Applicant: LG ELECTRONICS INC.

Inventor： Daesung Hwang ,  Kijun Kim ,  Bonghoe Kim ,  Yunjung Yi

IPC: H04W72/00 ,  H04L27/26

Abstract: One embodiment of the present specification provides a method by which a machine type communication (MTC) device configured to operate only in some bands among the system bands of a cell transmits a demodulation reference signal (DMRS) for the demodulation of uplink data. The method can comprise the steps of: selecting any one DMRS sequence among a plurality of sets of DMRS sequences having a length M according to a group hopping number and allocation area information of a sub-physical resource block (PRB), when an uplink signal is transmitted through the sub-PRB including the M number of subcarriers which is less than twelve subcarriers; and mapping the selected DMRS sequence on the M number of subcarriers of the sub-PRB, and transmitting the same.

公开(公告)号：US10039106B2

公开(公告)日：2018-07-31

申请号：US15658082

申请日：2017-07-24

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 ,  H04W76/10

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：US10034280B2

公开(公告)日：2018-07-24

申请号：US15031189

申请日：2014-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe Kim ,  Dongyoun Seo ,  Suckchel Yang

IPC: H04W72/04 ,  H04L1/00

Abstract: The present invention relates to a wireless access system which supports a machine-type communication (MTC), and more specifically, provides a method for repeatedly transmitting a physical downlink control channel (PDCCH) for an MTC terminal, and an apparatus for supporting same. The method by which a base station transmits a physical downlink control channel (PDCCH) in a wireless access system which supports a machine-type communication (MTC), according to one embodiment of the present invention, comprises the steps of: generating parity bits by encoding control information included in a PDCCH; generating PDCCH encoded bits by performing rate matching on the parity bits; and repeatedly transmitting the PDCCH encoded bits in at least two subframes. The PDCCH may be transmitted for the MTC terminal.

公开(公告)号：US10034275B2

公开(公告)日：2018-07-24

申请号：US15038985

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W72/04 ,  H04B7/26 ,  H04L1/18 ,  H04L5/00 ,  H04W4/70 ,  H04W88/02

CPC classification number: H04W72/0413 ,  H04B7/26 ,  H04L1/1664 ,  H04L1/1819 ,  H04L1/1858 ,  H04L1/189 ,  H04L5/00 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/006 ,  H04W4/70 ,  H04W52/38 ,  H04W88/02

Abstract: The present invention relates to a wireless access system which supports machine-type communication (MTC), and more particularly, to various methods for efficiently transmitting, by an MTC terminal, uplink control information (UCI) and/or user data, and to apparatuses supporting same. A method for transmitting an uplink by an MTC terminal which supports machine-type communication (MTC) in a wireless access system, according to one embodiment of the present invention, may comprise the steps of: determining whether an overlap exists between a plurality of physical uplink control channels (PUCCHs) for transmitting uplink control information (UCI) and a plurality of physical uplink shared channels (PUSCHs) for transmitting user data; multiplexing UCI in at least one subframe on an overlapping PUSCH when the plurality of PUCCHs and the plurality of PUSCHs overlap in the at least one subframe; and transmitting the PUSCH on which the UCI has been multiplexed in the at least one subframe.

公开(公告)号：US10027524B2

公开(公告)日：2018-07-17

申请号：US15426799

申请日：2017-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe Kim ,  Dongyoun Seo ,  Hyangsun You ,  Joonkui Ahn

IPC: H04W4/00 ,  H04L27/26 ,  H04J11/00 ,  H04L5/00

Abstract: Disclosed are a method and an apparatus for transmitting a reference signal. The method for transmitting the reference signal comprises the step of: transmitting a secondary synchronization signal (SSS) and a primary synchronization signal (PSS) from a subframe including an N (natural number wherein N>1) number of resource blocks (RB) and a plurality of orthogonal frequency division multiplexing (OFDM) symbols; and transmitting from the subframe the reference signal which is generated on the basis of a cell identifier, wherein the reference signal can be transmitted from an M (natural number wherein K

公开(公告)号：US20180184321A1

公开(公告)日：2018-06-28

申请号：US15904169

申请日：2018-02-23

Applicant: LG Electronics Inc.

Inventor： Bonghoe Kim ,  Byounghoon Kim ,  Yunjung Yi ,  Joonkui Ahn

IPC: H04W24/10 ,  H04L5/00 ,  H04W56/00

CPC classification number: H04W24/10 ,  H04L5/0048 ,  H04L5/0053 ,  H04W56/001

Abstract: The present invention relates to methods for making radio resource measurements in synchronized cells when quasi co-location is applied, and to apparatuses supporting same. A method for a terminal for making radio resource measurements (RRM) in a wireless access system according to one embodiment of the present invention may comprise the steps of: receiving an upper level signal comprising a reference signal for channel state information (CSI-RS) of a first cell, and quasi co-location (QCL) information for a cell-specific reference signal (CRS) and/or CSI-RS of a second cell; receiving the CRS and/or CSI-RS of the second cell on the basis of the QCL information; and measuring a first RRM for the first cell by means of the CRS and/or the CSI-RS of the second cell.

公开(公告)号：US20180175904A1

公开(公告)日：2018-06-21

申请号：US15739518

申请日：2016-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Bonghoe Kim ,  Yunjung Yi ,  Sangrim Lee

IPC: H04B1/713 ,  H04W72/04 ,  H04L27/26

CPC classification number: H04B1/713 ,  H04J11/005 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0012 ,  H04L5/0044 ,  H04L5/0073 ,  H04L27/2655 ,  H04L29/08 ,  H04W4/70 ,  H04W72/005 ,  H04W72/042 ,  H04W72/0446

Abstract: A method and apparatus for randomization of interference in a cellular Internet of things (IoT) system is disclosed. The method for randomization of interference in the cellular IoT system may comprise the steps of: allocating a radio resource for a physical broadcast channel (PBCH) by a base station; and transmitting downlink data to a plurality of terminals through the PBCH by the base station on the basis of a broadcast, wherein the PBCH may be transmitted on N (herein, N is natural number) slots, the radio resource may be determined on the basis of frequency hopping, and the frequency hopping may be performed in a plurality of frequency areas included in the entire whole frequency bandwidth.

公开(公告)号：US09986528B2

公开(公告)日：2018-05-29

申请号：US15503683

申请日：2015-08-13

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe Kim ,  Kijun Kim ,  Jonghyun Park ,  Hanjun Park ,  Hyangsun You

IPC: H04W64/00 ,  H04L5/00 ,  G01S5/10 ,  G01S5/02 ,  H04W24/10 ,  H04W88/08 ,  H04W88/02

CPC classification number: H04W64/003 ,  G01S5/02 ,  G01S5/0236 ,  G01S5/0252 ,  G01S5/10 ,  H04L5/0048 ,  H04W24/10 ,  H04W64/00 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a method of measuring the position of a terminal by using a heterogeneous network signal. The method comprises receiving transmission time information that represents a time at which a signal for measuring the position of a terminal is transmitted; receiving a first signal from a reference cell at a time represented by the transmission time information; receiving a second signal from a measurement cell at a time represented by the transmission time information; calculating the difference between the time at which the first signal is received and the time at which the second signal is received to generate measurement information; and reporting the measurement information.

公开(公告)号：US09955524B2

公开(公告)日：2018-04-24

申请号：US14763482

申请日：2014-01-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04W76/04 ,  H04W72/12 ,  H04W52/02 ,  H04W36/04

CPC classification number: H04W76/28 ,  H04W36/04 ,  H04W52/0206 ,  H04W72/1294 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/21 ,  Y02D70/23

Abstract: Provided are a communication method of a terminal in a wireless communication system and the terminal using the method. The method comprises: receiving a cell state signal from a small cell; and communicating with the small cell on the basis of the cell state signal, wherein the cell state signal includes information indicating the switching of the small cell to an off-state.

公开(公告)号：US09955479B2

公开(公告)日：2018-04-24

申请号：US15302477

申请日：2016-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe Kim ,  Jonghyun Park

IPC: H04W72/04 ,  H04L5/00 ,  H04L5/14 ,  H04W72/12

CPC classification number: H04W72/0446 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/14 ,  H04L5/1469 ,  H04L27/2613 ,  H04W72/0413 ,  H04W72/1268

Abstract: A method for transmitting a sounding reference signal (SRS) by a user equipment (UE) in a wireless communication system supporting Time Division Duplex (TDD) includes: receiving transmission comb (TC) information indicating any one of a total of 4 TCs supported by a 4-TC SRS; mapping the 4-TC SRS to an SRS symbol of an Uplink Pilot Time Slot (UpPTS) of a TDD special subframe based on the TC information; and transmitting the 4-TC SRS through the UpPTS. In the mapping of the 4-TC SRS, the 4-TC SRS is mapped in a unit of 1 resource element (RE) per 4 REs on the SRS symbol based on a TC indicated by the TC information. The transmission of the 4-TC SRS is supported when a plurality of symbols are configured in the UpPTS.