公开(公告)号：US20190274168A1

公开(公告)日：2019-09-05

申请号：US16061644

申请日：2016-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Yunjung YI ,  Bonghoe KIM ,  Seunggye HWANG

IPC: H04W74/08 ,  H04L5/00 ,  H04W74/00

Abstract: Disclosed is a method for a wireless device for transmitting a random-access preamble. The method may comprise the steps of: generating a sequence of a random-access preamble; and mapping the sequence of a random-access preamble to one sub-carrier wave from among 12 sub-carrier waves of a frequency domain. The mapping step may comprise the step for carrying out a first hop between a plurality of sub-regions. Each sub-region may comprise a previously set number of sub-carrier waves. The mapping step may additionally comprise the step for carrying out a second hop from among the sub-carrier waves within any one sub-region.

公开(公告)号：US20190268092A1

公开(公告)日：2019-08-29

申请号：US16247090

申请日：2019-01-14

Applicant: LG Electronics Inc.

Inventor： Ilmu BYUN ,  Jongwoong SHIN ,  Jinwoo KIM ,  Kwangseok NOH ,  Bonghoe KIM

IPC: H04L1/00 ,  H03M13/11 ,  H03M13/00

Abstract: A method for performing encoding on the basis of a parity check matrix of a low density parity check code according to the present embodiment comprises the steps of: generating a parity check matrix by a terminal, wherein the parity check matrix corresponds to a characteristic matrix, each component of the characteristic matrix corresponds to a shift index value determined through a modulo operation between a corresponding component in a basic matrix and Zc, which is a lifting value, and the basic matrix is a 42×52 matrix; and performing encoding of input data, by the terminal, using the parity check matrix, wherein the lifting value is associated with the length of the input data.

公开(公告)号：US20190165889A1

公开(公告)日：2019-05-30

申请号：US16263616

申请日：2019-01-31

Applicant: LG Electronics Inc.

Inventor： Seunggye HWANG ,  Kijun KIM ,  Soocheol KYEONG ,  Bonghoe KIM ,  Jinwoo KIM ,  Kwangseok NOH ,  Jongwoong SHIN ,  Joonkui AHN ,  Hyangsun YOU

IPC: H04L1/00 ,  H03M13/13

Abstract: A disclosure of the present specification provides a method for transmitting data by a transmitter. The method may comprise the steps of: when a transport block (TB) is divided into n data blocks, adding additional information after each of the n data blocks; and adding a cyclic redundancy check (CRC) after the last additional information. Here, the CRC may be generated on the basis of the n data blocks, and the n pieces of additional information added after each of data blocks.

公开(公告)号：US20190110267A1

公开(公告)日：2019-04-11

申请号：US16198278

申请日：2018-11-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Seokmin SHIN ,  Byounghoon KIM ,  Yunjung YI ,  Bonghoe KIM

IPC: H04W56/00 ,  H04L29/06 ,  H04L5/00 ,  H04L27/26 ,  H04L29/08 ,  H04B1/7093 ,  H04J13/00

Abstract: This closure relates to narrowband communication supporting an Internet of Things (IoT) service in a next-generation wireless communication system and, more particularly, to a method and apparatus for transmitting and receiving narrowband synchronization signals. A base station transmits a narrowband secondary synchronization signal indicating a narrowband cell identity, a specific sequence generated by performing phase rotation with respect to a base sequence generated through a second Zadoff-Chu sequence having a predetermined length L in a frequency domain and multiplying the base sequence by a cover sequence in element units is used for the narrowband secondary synchronization signal, and a specific root index is selected from among M (M

公开(公告)号：US20190028243A1

公开(公告)日：2019-01-24

申请号：US15757639

申请日：2016-09-08

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Hyunsoo KO ,  Yunjung YI

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

Abstract: The present invention may provide a method and apparatuses for transmitting and receiving a downlink/uplink physical channel when an in-band operation is supported by a radio access system that supports a narrow band Internet of things (NB-IoT). As an embodiment of the present invention, a method for receiving a physical downlink broadcasting channel (M-PBCH) by a terminal in a radio access system that supports a narrow band Internet of things (NB-IoT) system may comprise the steps of: receiving a higher layer signal indicating an in-band deployment mode; receiving a narrow band primary synchronization signal (M-PSS) and a narrow band secondary synchronization signal (M-SSS), configured for the NB-IoT systems; obtaining a cell identifier (N-Cell ID) of the NB-IoT system from the M-SSS; and receiving an M-PBCH using the N-Cell ID in the in-band deployment mode. In this instance, the in-band deployment mode indicates that the NB-IoT system is configured in a band of a legacy LTE system.

公开(公告)号：US20190020445A1

公开(公告)日：2019-01-17

申请号：US16065090

申请日：2017-04-19

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Kijun KIM ,  Byounghoon KIM ,  Joonkui AHN

IPC: H04L1/18 ,  H04W72/04 ,  H04L1/00

CPC classification number: H04L1/1861 ,  H04B7/0417 ,  H04L1/0026 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0067 ,  H04L1/0071 ,  H04L1/1614 ,  H04L1/1812 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0055 ,  H04W72/042

Abstract: A method for transmitting a hybrid automatic repeat and request (HARQ) ACK/NACK signal by a reception side in a wireless communication system may further comprise the steps of: receiving a transmission block including a plurality of code blocks from a transmission side; decoding the received transmission block; and transmitting an ACK/NACK for the transmission block in units of code block groups, wherein the code block group includes at least one code block.

公开(公告)号：US20180368055A1

公开(公告)日：2018-12-20

申请号：US16060516

申请日：2016-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Bonghoe KIM ,  Kaibin HUANG ,  Seungwoo KO

IPC: H04W48/10 ,  H04W48/12 ,  H04W76/27 ,  H04W76/11 ,  H04L1/00 ,  H04W48/16

CPC classification number: H04W48/10 ,  H04L1/0061 ,  H04W48/12 ,  H04W48/14 ,  H04W48/16 ,  H04W48/20 ,  H04W76/11 ,  H04W76/27

Abstract: The object of the present invention can be achieved by providing a method of a wireless prefetching of an user equipment (UE) for a program comprising a plurality of stages including at least one task, in a wireless communication system, the method comprising: receiving a broadcast message including a list of supported service; transmitting a RRCConnectionRequest message to the eNB with a establishmentCause as computation offloading for a program of a service included in the list; receiving a RRCConnectionSetupComplete in response to the RRCConnectionRequest; transmitting bits for a first task that is necessary for stage K; transmitting bits for a second task that is included in stage K+1 before completion of the stage K; and, receiving a result for the stage K and for the second task.

公开(公告)号：US20180332438A1

公开(公告)日：2018-11-15

申请号：US15755789

申请日：2016-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Bonghoe KIM ,  Yunjung YI

IPC: H04W4/06 ,  H04W76/14 ,  H04W76/27 ,  H04W76/30 ,  H04W8/24 ,  H04W88/04

CPC classification number: H04W4/06 ,  H04W8/24 ,  H04W76/00 ,  H04W76/10 ,  H04W76/14 ,  H04W76/27 ,  H04W76/30 ,  H04W88/04 ,  H04W88/06

Abstract: Provided is a communication method using a device group, which includes a first device and a second device, in a wireless communication system. The first device establishes radio resource control (RRC) connection with a base station instead of the second device, and shares the RRC connection with the second device.

公开(公告)号：US20180295587A1

公开(公告)日：2018-10-11

申请号：US16009707

申请日：2018-06-15

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Dongyoun SEO ,  Suckchel YANG ,  Yunjung YI

IPC: H04W52/14 ,  H04W72/04 ,  H04W52/16

CPC classification number: H04W52/146 ,  H04W52/08 ,  H04W52/16 ,  H04W52/286 ,  H04W52/325 ,  H04W52/48 ,  H04W72/042

Abstract: A method performed by a user equipment (UE) is provided. The UE controls uplink transmission power by receiving control information for a Physical Uplink Shared Channel (PUSCH), and repeatedly transmitting a PUSCH as a predetermined number of times based on the control information. The PUSCH is repeatedly transmitted with a transmission power which is maintained constant during a time period for the repeated PUSCH transmissions.

公开(公告)号：US20180287844A1

公开(公告)日：2018-10-04

申请号：US15765458

申请日：2016-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Kijun KIM ,  Hyunsoo KO ,  Byounghoon KIM ,  Yunjung YI ,  Seokmin SHIN

IPC: H04L27/26 ,  H04L5/00 ,  H04B7/06 ,  H04W72/04

Abstract: The present invention provides a method and devices for transmitting and receiving a synchronization signal and a method for generating a synchronization signal in a wireless access system supporting narrowband Internet of Things (NB-IoT). A method for transmitting a primary synchronization signal (PSS) by a base station in a wireless access system supporting narrowband Internet of Things (NB-IoT), according to an embodiment of the present invention, can comprise the steps of: repeatedly generating first sequences n times so as to generate primary synchronization signals; multiplying n first sequences by second sequences and thus generating n primary synchronization signals; and transmitting n primary synchronization signals by means of n OFDM symbols, respectively. The size of a bandwidth used in the wireless access system supporting NB-IoT is the size of one physical resource block (PRB), and one PRB can comprise twelve subcarriers in a frequency domain.