公开(公告)号：US10432360B2

公开(公告)日：2019-10-01

申请号：US15843562

申请日：2017-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Il-Min Kim ,  Joonkui Ahn ,  Byounghoon Kim

IPC: H04L1/18 ,  H04L1/00 ,  H03M13/13 ,  H04L9/08 ,  H03M13/00

Abstract: Disclosed herein is method and device for performing a Hybrid Automatic Repeat request (HARQ) based on polar codes in a wireless communication system. A transmitter transmits a first packet to a receiver. The transmitter receives a re-transmission request for the first packet from the receiver. The transmitter transmits a second packet to the receiver. Herein, each of the first packet and the second packet includes at least one information bit and at least one frozen bit. An information bit having a smallest mutual information corresponding to a bit channel within the first packet is re-transmitted through a first bit channel capable of transmitting at least one information bit included in the second packet. Alternatively, a new information bit is transmitted through a second bit channel capable of transmitting at least one information bit included in the second packet.

公开(公告)号：US10419174B2

公开(公告)日：2019-09-17

申请号：US14671581

申请日：2015-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Kijun Kim ,  Inkwon Seo ,  Byounghoon Kim

IPC: H04L5/00

Abstract: The present invention relates to a method of transmitting CSI-RS (channel state information-reference signal) configuration, which is transmitted by a base station in a wireless communication system, and an apparatus therefor. Specifically, the method includes the steps of composing an information element configuring a first CSI (channel state information) subframe set and a second CSI subframe set and transmitting the CSI-RS configuration including at least one or more ZP-CSI-RS configurations (zero power CSI-RS configuration). The CSI-RS configuration includes a first ZP-CSI-RS configuration for a first user equipment to which the information element is not set and a second user equipment to which the information element is set and a second ZP-CSI-RS configuration for the second user equipment only.

公开(公告)号：US10412773B2

公开(公告)日：2019-09-10

申请号：US15301216

申请日：2015-03-30

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong Kim ,  Byounghoon Kim ,  Hanbyul Seo

IPC: H04W76/14 ,  H04L5/00 ,  H04W28/18 ,  H04W28/26 ,  H04W40/22 ,  H04W72/04 ,  H04W72/12

Abstract: The present disclosure relates to a method for transmitting and receiving data performed by a first user equipment (UE) in a wireless communication system that supports a device-to-device (D2D) communication includes receiving control information related to the D2D communication through Radio Resource Control (RRC) signaling from a base station (eNB); receiving resource allocation (RA) information related to a Scheduling Assignment (SA) transmission through a D2D grant from the eNB; transmitting the SA to a second UE based on the received resource allocation information; and transmitting a D2D data to the second UE, wherein the control information includes at least one of an SA resource pool or a D2D data resource pool, and wherein the SA resource pool and the D2D data resource pool are pre-configured by a high layer.

公开(公告)号：US10390345B2

公开(公告)日：2019-08-20

申请号：US15307761

申请日：2015-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Kijun Kim ,  Sunghoon Jung ,  Byounghoon Kim

IPC: H04W72/04 ,  H04W76/14 ,  H04W72/12 ,  H04L1/16

Abstract: The present invention provides a method for transmitting and receiving a signal for device-to-device (D2D) communication and apparatus for the same, which are used in a wireless access system supporting D2D communication. As one aspect of the present invention, a method for transmitting and receiving a D2D signal by a terminal comprises the steps of: determining whether a D2D signal can be transmitted and received in at least one frequency band; transmitting, to a base station, information on a frequency band capacity; and generating the D2D signal according to the information on a frequency band capacity.

公开(公告)号：US10383007B2

公开(公告)日：2019-08-13

申请号：US15508826

申请日：2015-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui Ahn ,  Byounghoon Kim ,  Suckchel Yang ,  Jonghyun Park ,  Yunjung Yi

IPC: H04W4/00 ,  H04W28/26 ,  H04W74/02 ,  H04W76/10 ,  H04W72/04 ,  H04W88/02 ,  H04W88/08 ,  H04W74/08 ,  H04W16/14

Abstract: Provided are a communication method and an apparatus utilizing the same in a wireless communication system. The apparatus configures a resource reservation period (RRP), the period during which channel access by the apparatus permitted in an unlicensed band is not permitted. When the permission conditions are met, the apparatus accesses the channel during the RRP.

公开(公告)号：US20190239109A1

公开(公告)日：2019-08-01

申请号：US16381460

申请日：2019-04-11

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：US10368352B2

公开(公告)日：2019-07-30

申请号：US16248588

申请日：2019-01-15

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Hanbyul Seo ,  Byounghoon Kim ,  Myoungseob Kim

IPC: H04L29/08 ,  H04W84/18 ,  H04W72/04 ,  H04W84/12 ,  H04W72/02 ,  H04W48/16 ,  H04L5/00 ,  H04W4/70 ,  H04W76/14 ,  H04W92/18 ,  H04W8/00 ,  H04B1/7136 ,  H04L1/18 ,  H04L1/00 ,  H04W88/02 ,  H04W84/04

Abstract: According to an embodiment of the present invention, a discovery signal transmission method, by a device to device (D2D) terminal in a wireless communication system, comprises the steps of: determining a subframe pool in a discovery period; and transmitting a discovery signal in a subframe comprised in the subframe pool; wherein a frequency resource index and a time resource index, on which a discovery signal is transmitted in another discovery period which follows the discovery period, are determined by means of next_nf=(f_shift+floor((nf+Nf*nt)/Nt)) mod Nf and next_nt=(t_shift+nf+Nf*nt) mod Nt, respectively, wherein Nf is the number of discovery resources per subframe, Nt is the number of subframes per discovery period, f_shift is a frequency shift, t_shift is a subframe shift, nf is a frequency resource index on which the discovery signal is transmitted, nt is a time resource index on which the discovery signal is transmitted, and the f_shift and the t_shift are determined on the basis of the value that is indicated by means of an upper layer parameter.

公开(公告)号：US10349435B2

公开(公告)日：2019-07-09

申请号：US15813716

申请日：2017-11-15

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Byounghoon Kim ,  Kijun Kim ,  Hakseong Kim

IPC: H04W72/04 ,  H04W72/12 ,  H04L5/00 ,  H04W88/02 ,  H04W88/08 ,  H04W88/16

Abstract: In the present invention, a method for a base station transmitting a downlink channel is disclosed. More particularly, the method comprises the steps of: dividing each of one or more resources blocks, which are allocated for the downlink control channel, into a predetermined number of subsets; deciding the number of subsets that comprise a resource allocation basic unit for the downlink control channel, based on a start symbol and/or an end symbol of the downlink control channel; mapping a transmission resource on the downlink control channel as the resource allocation basic unit comprising the predetermined number of subsets; and transmitting the downlink control channel by using the transmission resource that is mapped.

公开(公告)号：US10219287B2

公开(公告)日：2019-02-26

申请号：US15573456

申请日：2016-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Joonkui Ahn ,  Suckchel Yang ,  Kijun Kim ,  Byounghoon Kim ,  Hanbyul Seo ,  Hanjun Park ,  Daesung Hwang

IPC: H04W72/12 ,  H04L1/18 ,  H04W76/28 ,  H04W24/10 ,  H04W74/00 ,  H04L5/00 ,  H04W74/08 ,  H04W28/06 ,  H04W88/06

Abstract: The present invention relates to a wireless access system supporting an unlicensed band and provides methods for performing a channel access process for transmitting different types of signals, and devices supporting the same. According to one embodiment of the present invention, a method for transmitting different types of signals in a wireless access system supporting an unlicensed band can comprise the steps of: performing a first channel process (CAP) for transmitting a first type of signal; and transmitting a transmission burst including the first type of signal through the unlicensed band if it is determined that a serving cell (SCell) of the unlicensed band is in an idle state after performing the first CAP. At this time, at least one of first parameters for performing the first CAP can be set to be value less than that of second parameters for performing a second CAP for transmitting a second type of signal.

公开(公告)号：US10212738B2

公开(公告)日：2019-02-19

申请号：US15573435

申请日：2016-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Joonkui Ahn ,  Suckchel Yang ,  Kijun Kim ,  Byounghoon Kim ,  Hanbyul Seo ,  Hanjun Park ,  Daesung Hwang

IPC: H04W74/08 ,  H04L1/00 ,  H04L1/18 ,  H04L5/00 ,  H04W76/28 ,  H04W28/02 ,  H04W28/26

Abstract: The present invention relates to a wireless access system that supports an unlicensed band, and provides various methods for adjusting a contention window size, methods for determining the time when the adjusted contention window size is applied, methods for distinguishing between a collision and a channel error, and devices for supporting the same. As an embodiment of the present invention, a method for adjusting a contention window size in a wireless access system supporting an unlicensed band may comprise the steps of: performing a channel access procedure; when it is determined through the performed channel access procedure that a serving cell (Scell) in the unlicensed band is in an idle state, transmitting a transmission burst including a downlink signal through the unlicensed band; receiving hybrid automatic repeat and request acknowledgment (HARQ-ACK) information corresponding to the transmission burst; and adjusting the CWS using the number of DTX states in the HARQ-ACK information when the transmission burst is scheduled in a self-carrier scheduling scheme.