公开(公告)号：US20190327039A1

公开(公告)日：2019-10-24

申请号：US16502905

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Yunjung YI ,  Bonghoe KIM

IPC: H04L5/00 ,  H04W72/04 ,  H04W28/26

Abstract: A method for transmitting an uplink signal is discussed. The method performed by a narrowband-internet of things (NB-IoT) device includes determining a time resource unit based on an uplink subcarrier spacing for transmitting the uplink signal; and transmitting the uplink signal on the time resource unit to a base station. Further, the time resource unit includes one or more slots including a plurality of symbols, based on the uplink subcarrier spacing, a predetermined time period in the one or more slots is not used for the transmission of the uplink signal, and the uplink carrier spacing includes 3.75 kHz.

公开(公告)号：US20190306803A1

公开(公告)日：2019-10-03

申请号：US16335658

申请日：2017-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Seungmin LEE ,  Suckchel YANG

IPC: H04W52/14 ,  H04W72/04 ,  H04W52/24 ,  H04W72/08

Abstract: The present invention provides a method for a base station to transmit a downlink signal, in order to reduce interference between uplink transmission and downlink transmission in a wireless communication system. Particularly, the method is characterized by: a step of setting a power decrease region in which downlink transmission power is transmitted by being lower than that of another region; a step of separating and generating a first transmission block corresponding to the power decrease region, and a second transmission block not corresponding to the power decrease region; and a step of mapping downlink data to the first transmission block and the second transmission block, respectively, wherein the first transmission block is transmitted with the power allocated to the power decrease region, and the second transmission block is transmitted with the power allocated to the region other than the power decrease region.

公开(公告)号：US20190296879A1

公开(公告)日：2019-09-26

申请号：US16306803

申请日：2017-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Kyuhwan KWAK ,  Kijun KIM ,  Daesung HWANG

IPC: H04L5/00 ,  H04L27/20

Abstract: Disclosed is a method for transmitting an uplink control channel and a device therefor. Specifically, a method for transmitting an uplink control channel in a wireless communication system by a terminal, includes: generating at least one modulation symbol for specific uplink control information; mapping the at least one modulation symbol to a first resource region of the uplink control channel; and transmitting the uplink control channel to a base station, in which the uplink control channel may include the first resource region and a second resource region to which a reference signal is mapped, and an energy value allocated to the first resource region may be configured to be the same as an energy value allocated to the second resource region.

公开(公告)号：US20190239214A1

公开(公告)日：2019-08-01

申请号：US16317511

申请日：2017-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Daesung HWANG ,  Kyuhwan KWAK ,  Jaehoon CHUNG ,  Kijun KIM ,  Seonwook KIM

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/12 ,  H04W52/14 ,  H04L1/18

Abstract: The present invention relates to a wireless communication system and, particularly, to a method and a device therefor, the method comprising the steps of: configuring a plurality of A/N transmission delays and a plurality of A/N resources through a higher layer signal; receiving downlink scheduling information indicating a first A/N transmission delay among the plurality of A/N transmission delays and a first A/N resource among the plurality of A/N resources; receiving data indicated by the downlink scheduling information; and transmitting an A/N for the data by using the first A/N resource at a time determined on the basis of the first A/N transmission delay.

公开(公告)号：US20190229883A1

公开(公告)日：2019-07-25

申请号：US16373396

申请日：2019-04-02

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Joonkui AHN ,  Dongyoun SEO ,  Suckchel YANG ,  Yunjung YI

IPC: H04L5/14 ,  H04L1/18 ,  H04L1/00 ,  H04L5/00 ,  H04L1/16 ,  H04W72/04

Abstract: One disclosure of the present specification provides a method for operating a HARQ from user equipment (UE). The method comprises the steps of: the UE receiving downlink data from each cell, when at least one TDD-based cell and at least one FDD based cell are established according to carrier aggregation (CA), a specific TDD-based cell is established as a primary cell of the carrier aggregation (CA), and the at least one FDD-based cell is established as a secondary cell of the carrier aggregation (CA); the UE confirming a PUCCH format to be used for transmitting a HARQ ACK/NACK for the downlink data; and the UE determining the number of bits for transmitting the HARQ ACK/NACK when use of the specific PUCCH format for transmitting the HARQ ACK/NACK is confirmed.

公开(公告)号：US20190229874A1

公开(公告)日：2019-07-25

申请号：US16251837

申请日：2019-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Yunjung YI ,  Daesung HWANG

IPC: H04L5/00 ,  H04L5/14

Abstract: According to one embodiment of the present invention, a method by which a terminal reports a channel state on the basis of a channel state information-reference signal (CSI-RS) in a wireless communication system can comprise the steps of: transmitting, to a base station, terminal capability information related to the maximum number of CSI processes which can be simultaneously updated or calculated by the terminal in which a shortened processing time has been set; receiving an aperiodic CSI request from the base station; and, according to the aperiodic CSI request, updating or calculating CSI in a CSI reference resource at the point of time set for the shortened processing time, on the basis of the terminal capability information and transmitting the updated or calculated CSI to the base station.

公开(公告)号：US20190215807A1

公开(公告)日：2019-07-11

申请号：US16210816

申请日：2018-12-05

Applicant: LG Electronics Inc.

Inventor： Daesung HWANG ,  Yunjung YI ,  Inkwon SEO

IPC: H04W72/04

Abstract: Provided are a method and an apparatus for receiving a downlink signal in a wireless communication system. The method includes receiving resource block assignment information including a bitmap and receiving the downlink signal through a resource block group (RBG) indicated by the bitmap in a bandwidth part. A total number of resource block groups (RBGs) in the bandwidth part is determined based on an index of a start resource block of the bandwidth part, a size of the bandwidth part, and a size of one resource block group.

公开(公告)号：US20190174327A1

公开(公告)日：2019-06-06

申请号：US16324030

申请日：2017-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun YOU ,  Joonkui AHN ,  Daesung HWANG ,  Yunjung YI ,  Byounghoon KIM

IPC: H04W16/14 ,  H04W72/04 ,  H04W76/11 ,  H04W76/27 ,  H04W4/70 ,  H04L1/18 ,  H04W88/02

Abstract: The present invention relates to a wireless communication system and provides a method and a device for same. The method comprises the steps of: receiving information about SPS transmission periods; confirming information about the number of SPS repetitions; and receiving SPS data, which is newly and repeatedly transmitted in every SPS transmission period, on the basis of the SPS transmission periods and the number of the SPS repetitions, wherein, if the SPS transmission periods are greater than the number of the SPS repetitions, a frequency band in which the SPS data is received is maintained to be the same in every SPS transmission period and, if the SPS transmission periods are smaller than the number of the SPS repetitions, the frequency band in which the SPS data is received is switched in every SPS transmission period.

公开(公告)号：US20190159200A1

公开(公告)日：2019-05-23

申请号：US16261144

申请日：2019-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Yunjung YI ,  Suckchel YANG ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W72/04 ,  H04L29/08 ,  H04L5/00 ,  H04W4/70 ,  H04L27/26

Abstract: Disclosed is a method for transmitting a physical uplink control channel (PUCCH) by a machine type communication (MTC) device. The PUCCH transmission method comprises the steps of: receiving configuration for independent PUCCH resources at each repetition level of PUCCH; determining a PUCCH resource corresponding to a repetition level, on the basis of the configuration; and repeatedly transmitting the PUCCH, on the determined resource.

公开(公告)号：US20190150194A1

公开(公告)日：2019-05-16

申请号：US16242804

申请日：2019-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Suckchel YANG ,  Kijun KIM ,  Byounghoon KIM ,  Hanbyul SEO ,  Hanjun PARK ,  Daesung HWANG

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

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.