公开(公告)号：US20180205512A1

公开(公告)日：2018-07-19

申请号：US15744310

申请日：2016-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun YOU ,  Yunjung YI ,  Bonghoe KIM

IPC: H04L5/00

Abstract: Provided is a device and method for transmitting or receiving an uplink channel or a downlink channel. In a wireless communication system, a user equipment: receives a physical downlink control channel (PDCCH) for the user equipment in subframe n; and repeatedly transmits a physical uplink shared channel (PUSCH) corresponding to the PDCCH within D subframe(s) out of every P subframes from subframe n+k, wherein each of k, D, and P is a positive integer, and P may be a predefined value greater than D.

公开(公告)号：US20180192419A1

公开(公告)日：2018-07-05

申请号：US15580672

申请日：2016-06-13

Applicant: LG ELECTRONICS INC.

Inventor： Yunjung YI ,  Bonghoe KIM

IPC: H04W72/04 ,  H04L5/14 ,  H04W52/18

Abstract: A method and apparatus for performing cellular internet-of-things (CIoT) transmission in a wireless communication system is provided. A base station (BS) configures a frame in a CIoT carrier which is adjacent to a time division duplex (TDD) long-term evolution (LTE) carrier, and performs the CIoT transmission using the frame in the CIoT carrier. A downlink (DL) of the CIoT carrier may be adjacent to the TDD LTE carrier. Or, a DL and an uplink (UL) of the CIoT carrier may be adjacent to the TDD LTE carrier.

公开(公告)号：US20180167170A1

公开(公告)日：2018-06-14

申请号：US15101892

申请日：2014-12-04

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Dongyoun SEO

IPC: H04L1/18 ,  H04W72/04

CPC classification number: H04L1/1812 ,  H04L1/0046 ,  H04L1/0067 ,  H04L1/1692 ,  H04L1/1822 ,  H04L1/1858 ,  H04L1/1861 ,  H04L1/1864 ,  H04L1/189 ,  H04L1/1893 ,  H04L1/1896 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055 ,  H04L27/2613 ,  H04W4/70 ,  H04W72/0406

Abstract: The present invention relates to a wireless access system which supports machine-type communication (MTC), and more specifically, to various methods for establishing the number of hybrid automatic retransmission request (HARQ) processes to support HARQ, and to apparatuses supporting same. A method for establishing the number of HARQ processes in a wireless access system which supports machine-type communication (MTC), according to one embodiment of the present invention, may comprise the steps of: determining, by a base station, the number of HARQ processes to be applied to an MTC terminal; and transmitting, by the base station, downlink control information including a HARQ process value allocated to the MTC terminal from among the determined number of HARQ processes. The number of HARQ processes can be determined on the basis of at least one of the number (N1) of repeated transmissions of a physical downlink control channel (PDCCH) to the MTC terminal, time (F) required for the MTC terminal to receive and process the repeatedly transmitted PDCCH, the number (N2) of repeated transmissions of a physical downlink shared channel (PDSCH), time (p1) required for the MTC terminal to receive and process the repeatedly transmitted PDSCH, the number (N3) of repeated transmissions of a physical uplink control channel (PUCCH), and time (p0) required for the base station to receive and process the repeatedly transmitted PUCCH.

公开(公告)号：US20180123741A1

公开(公告)日：2018-05-03

申请号：US15859090

申请日：2017-12-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun YOU ,  Joonkui AHN ,  Yunjung YI ,  Suckchel YANG ,  Bonghoe KIM ,  Dongyoun SEO

IPC: H04L1/18 ,  H04L27/26 ,  H04L5/00 ,  H04L1/08 ,  H04L5/14

Abstract: A method for transmitting data by a transmitting device, incudes applying, by the transmitting device, a redundancy version (RV) to a data channel; applying, by the transmitting device, a scrambling sequence to the data channel; and transmitting, by the transmitting device, the data channel, wherein the data channel is transmitted repeatedly in N consecutive subframes, where N is a positive integer greater than 1, wherein the RV for the data channel is changed once every R consecutive subframes in the N consecutive subframes, where R is a predefined positive integer greater than 1 and less than N, and wherein the scrambling sequence for the data channel is applied per subframe to the data channel and stays the same for a block of R consecutive subframes over which the RV for the data channel stays the same.

公开(公告)号：US20180091280A1

公开(公告)日：2018-03-29

申请号：US15568777

申请日：2016-04-28

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Yunjung YI

IPC: H04L5/00 ,  H04B7/06 ,  H04W4/00 ,  H04W72/08 ,  H04W72/04

CPC classification number: H04L5/0057 ,  H04B7/0417 ,  H04B7/0626 ,  H04L1/00 ,  H04L1/1671 ,  H04L1/189 ,  H04L5/0044 ,  H04L5/0053 ,  H04L23/00 ,  H04W4/70 ,  H04W72/0413 ,  H04W72/082 ,  H04W72/14

Abstract: The present invention relates to a wireless access system supporting machine type communication (MTC) and, particularly, to: a method by which an MTC terminal receives a channel state information index and feeds back channel state information on the basis of the channel state information index; and devices for supporting the method. As one aspect of the present invention, the method by which an MTC terminal feeds back channel state information (CSI) in a wireless access system for supporting machine type communication (MTC) can comprise the steps of: receiving an upper layer signal including a CQI index selected from a mother channel quality information (CQI) table; receiving a physical downlink shared channel (PDSCH) repeatedly transmitted on the basis of a modulation scheme and coding rate indicated by the CQI index; measuring CSI for the PDSCH; and feeding back the measured CSI, wherein the mother CQI table is set to include up to a signal to interference plus noise ratio (SINR) area for a maximum coverage enhancement (CE) level supported in a network, and the CQI index can be selected in consideration of a CE level supportable by the MTC terminal.

公开(公告)号：US20180062904A1

公开(公告)日：2018-03-01

申请号：US15565297

申请日：2016-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Seunggye HWANG ,  Hyangsun YOU ,  Bonghoe KIM ,  Kijun KIM ,  Yunjung YI

IPC: H04L27/34 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L27/3411 ,  H04L1/08 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/18 ,  H04L27/2067 ,  H04L27/2607 ,  H04L27/2614 ,  H04L27/2615 ,  H04L27/3444 ,  H04L67/12

Abstract: One disclosure of the present specification provides a method for mapping data symbols in a wireless communication system. The method comprises the steps of: generating a first symbol sequence in which first symbols among data symbols to be transmitted are consecutively arranged; generating a second symbol sequence in which second symbols among the data symbols are consecutively arranged; and performing modulation of the first and second symbol sequences, wherein the step of performing modulation may be a phase rotation on the boundary of the first symbol sequence and the second symbol sequence.

公开(公告)号：US20180054792A1

公开(公告)日：2018-02-22

申请号：US15546636

申请日：2016-02-26

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Hanjun PARK ,  Bonghoe KIM

IPC: H04W64/00 ,  H04W24/10 ,  H04B17/24 ,  H04L5/00

CPC classification number: H04W64/00 ,  H04B17/24 ,  H04B17/27 ,  H04L5/00 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0098 ,  H04W24/10 ,  H04W88/02

Abstract: According to one embodiment of the present invention, a method by which a terminal receives a reference signal for determining a position in an unlicensed band in a wireless communication system can comprise the steps of: receiving positioning reference signal (PRS)-related configuration information transmitted through the cooperation of one or more unlicensed band cells, wherein the PRS-related configuration information includes information on a plurality of sub-bands in the unlicensed band, in which the PRS is transmitted, and information on a PRS transmission period for each of the plurality of sub-bands; receiving and measuring the PRS by using the PRS-related configuration information; and reporting the PRS measurement result to a serving cell.

公开(公告)号：US20180034587A1

公开(公告)日：2018-02-01

申请号：US15662966

申请日：2017-07-28

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Jongwoong SHIN ,  Seunggye HWANG ,  Joonkui AHN

IPC: H04L1/00 ,  H03M13/13 ,  H03M13/27 ,  H03M7/40 ,  H03M13/00

CPC classification number: H04L1/0058 ,  H03M5/12 ,  H03M7/40 ,  H03M13/13 ,  H03M13/2792 ,  H03M13/6362 ,  H04L1/0057 ,  H04L1/0067 ,  H04L1/0071 ,  H04L1/1819 ,  H04L1/1861

Abstract: A method for performing polar encoding includes the steps of, if a length of a codeword is greater than 2x and smaller than 2x+1 determining whether encoding is performed by a polar encoder of size 2x or a polar encoder of size 2x+1 according to whether or not a length of the codeword is smaller than a prescribed value, and if the length of the codeword is smaller than the prescribed value, performing encoding by the polar encoder of the size 2x.

公开(公告)号：US20180013523A1

公开(公告)日：2018-01-11

申请号：US15711213

申请日：2017-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun SEO ,  Bonghoe KIM ,  Joonkui AHN ,  Suckchel YANG ,  Hanbyul SEO ,  Seungmin LEE ,  Yunjung YI

IPC: H04L1/18 ,  H04W72/04 ,  H04L5/00 ,  H04W88/02

CPC classification number: H04L1/1861 ,  H04L1/1822 ,  H04L1/1854 ,  H04L1/1896 ,  H04L5/0055 ,  H04W72/042 ,  H04W88/02

Abstract: A method for performing a hybrid automatic repeat request (HARQ) process, the method performed by a user equipment (UE) and includes receiving data in a first subframe of a secondary cell; and transmitting acknowledgement/negative-acknowledgement (ACK/NACK) information for the data in a second subframe of a primary cell, wherein the primary cell uses a frame comprising at least one downlink subframe and at least one uplink subframe according to an uplink-downlink configuration, wherein the secondary cell uses a frame comprising consecutive downlink subframes, and wherein a maximum number of HARQ processes for the secondary cell is dependent on the uplink-downlink configuration of the primary cell.

公开(公告)号：US20170373809A1

公开(公告)日：2017-12-28

申请号：US15628265

申请日：2017-06-20

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Soocheol KYEONG ,  Kijun KIM ,  Byounghoon KIM ,  Jinwoo KIM ,  Kwangseok NOH ,  Ilmu BYUN ,  Joonkui AHN ,  Seunggye HWANG

IPC: H04L5/00 ,  H03M13/00 ,  H03M13/11 ,  H04L1/00

CPC classification number: H04L5/0044 ,  H03M13/1148 ,  H03M13/296 ,  H03M13/2993 ,  H03M13/6362 ,  H04L1/0058 ,  H04L1/0059 ,  H04L1/0066 ,  H04L1/0067 ,  H04L1/0071 ,  H04L1/1819 ,  H04L5/001 ,  H04L5/0023

Abstract: A method for processing a data block by a user equipment in a wireless communication system comprises generating tail bits of 18 bits by performing trellis termination in a turbo encoder of code rate 1/5 containing a plurality of constituent encoders; and deploying the tail bits of 18 bits to 5 encoded bit sequences of the turbo encoder according to a prescribed rule, wherein 4 tail bits are deployed to a systematic bit sequence among the 5 encoded bit sequences according to the prescribed rule, and 4 tail bits are deployed to each of specific 2 parity bit sequences among 4 parity bit sequences according to the prescribed rule.