公开(公告)号：US20190059006A1

公开(公告)日：2019-02-21

申请号：US16079550

申请日：2017-02-22

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Kijun KIM ,  Seonwook KIM

IPC: H04W24/02 ,  H04W24/10 ,  H04W72/04

Abstract: Provided are a method for performing measurement in a wireless communication system and a device using the same. The device measures channel quality on the basis of at least one discovery signal received within a measurement period assumed to have the same transmission power.

公开(公告)号：US20190037607A1

公开(公告)日：2019-01-31

申请号：US16073449

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Kijun KIM ,  Byounghoon KIM ,  Suckchel YANG ,  Hanjun PARK ,  Yunjung YI ,  Seonwook KIM

IPC: H04W74/08

CPC classification number: H04W74/0833 ,  H04W16/14 ,  H04W74/0816

Abstract: Provided are a method of performing a random access procedure in an unlicensed band and a device using the method. The device performs a clear channel assessment (CCA) during a random access preamble (RAP) window in the unlicensed band. If the CCA succeeds, the wireless device transmits a plurality of RAPs. The plurality of RAPs are repeatedly transmitted in a frequency domain or a time domain.

公开(公告)号：US20190007939A1

公开(公告)日：2019-01-03

申请号：US16102014

申请日：2018-08-13

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Mingyu KIM ,  Joonkui AHN ,  Dongyoun SEO

IPC: H04W72/04 ,  H04W52/02 ,  H04L1/18 ,  H04L5/00 ,  H04L5/14 ,  H04W28/04

Abstract: A method for transmitting uplink control information at an apparatus configured with a plurality of cells including a Primary Cell (PCell) and a Secondary Cell (SCell) in a wireless communication system is discussed. The method includes receiving at least a Physical Downlink Control CHannel (PDCCH) signal indicating SPS release or a Physical Downlink Shared CHannel (PDSCH) signal with a corresponding PDCCH, and transmitting reception response information about the at least the PDCCH signal indicating SPS release or the PDSCH signal with the corresponding PDCCH through a Physical Uplink Control CHannel (PUCCH) on a subframe configured for Scheduling Request (SR) transmission.

公开(公告)号：US20180343622A1

公开(公告)日：2018-11-29

申请号：US16052093

申请日：2018-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Dongyoun SEO ,  Suckchel YANG ,  Joonkui AHN

IPC: H04W52/32 ,  H04W52/04 ,  H04L5/00 ,  H04W24/08 ,  H04W72/04 ,  H04W52/38 ,  H04W52/18 ,  H04W76/15 ,  H04W84/04

CPC classification number: H04W52/325 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0057 ,  H04W24/08 ,  H04W52/04 ,  H04W52/18 ,  H04W52/38 ,  H04W72/0413 ,  H04W72/042 ,  H04W76/15 ,  H04W84/045

Abstract: A method for controlling uplink transmit power of a user equipment (UE) in a radio access system supporting a multi-connectivity mode is discussed. The method performed by the UE includes receiving a higher layer signal including first power parameters of a first serving cell from the first serving cell and a higher layer signal including first power parameters of a second serving cell from the second serving cell, receiving a physical downlink control channel (PDCCH) including second power parameters of the first serving cell from the first serving cell and a PDCCH including second power parameters of the second serving cell from the second serving cell, measuring two path loss values of the first and the second serving cells, respectively, calculating a physical uplink control channel (PUCCH) transmit power for the first serving cell and a PUCCH transmit power for the second serving cell in the multi-connectivity mode, and transmitting a PUCCH to the first serving cell based on the PUCCH transmit power for the first serving cell and a PUCCH to the second serving cell based on the PUCCH transmit power for the second serving cell.

公开(公告)号：US20180331792A1

公开(公告)日：2018-11-15

申请号：US15773986

申请日：2016-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Hanbyul SEO ,  Yunjung YI

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

CPC classification number: H04L1/1887 ,  H04L1/0086 ,  H04L1/1812 ,  H04W72/0413 ,  H04W72/12

Abstract: The present invention relates to a wireless communication system. Specifically, the present invention relates to a method comprising the steps of: receiving uplink semi-persistent scheduling (SPS) configuration information; and transmitting a physical uplink shared channel (PUSCH) in a subframe which is periodically configured according to the uplink SPS configuration information, wherein the PUSCH includes indication information indicating whether data of the PUSCH is new SPS data or retransmission SPS data, and an apparatus therefor.

公开(公告)号：US20180302203A1

公开(公告)日：2018-10-18

申请号：US15770101

申请日：2016-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Kijun KIM ,  Jonghyun PARK ,  Hanjun PARK ,  Yunjung YI

IPC: H04L5/00 ,  H04W48/16 ,  H04W16/14 ,  H04W74/08 ,  H04W72/04

Abstract: The embodiments of the present invention relate to a wireless access system supporting an unlicensed band and to methods for generating a discovery signal (DRS), methods for generating and transmitting a channel state information reference signal included in the DRS, and devices for supporting same. The method for transmitting a discovery signal (DRS) including a channel state information reference signal (CSI-RS) in a wireless access system supporting an unlicensed band, according to one embodiment of the present invention, may comprise the steps of: initiating, in subframe n (SF #n), a listen-before-talk (LBT) procedure for checking whether the unlicensed band is idle or not; if an LBT procedure succeeds in SF #n+k, generating a sequence for transmitting the CSI-RS on the basis of the subframe index j indicating SF #j; and transmitting the DRS, including the CSI-RS, in SF #n+k. Herein n, k, and j are preferably integers greater than or equal to 0 and less than or equal to 9.

公开(公告)号：US20180294943A1

公开(公告)日：2018-10-11

申请号：US16006319

申请日：2018-06-12

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L5/14 ,  H04L1/0039 ,  H04L1/0077 ,  H04L1/1671 ,  H04L1/1812 ,  H04L1/1829 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/1469 ,  H04W72/0413 ,  H04W88/02

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：US20180288708A1

公开(公告)日：2018-10-04

申请号：US15997963

申请日：2018-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Yunjung YI ,  Joonkui AHN ,  Daesung HWANG ,  Suhwan LIM

IPC: H04W52/14 ,  H04W52/36 ,  H04W52/40

CPC classification number: H04W52/146 ,  H04W52/247 ,  H04W52/36 ,  H04W52/365 ,  H04W52/367 ,  H04W52/40

Abstract: Descriptions on the method and the apparatus for controlling uplink transmission power are provided. The method for controlling uplink transmission power comprises receiving a signal on a downlink channel, wherein the signal includes information on transmission power which indicates a power control mode, determining whether primary cell (PCell) and secondary cell (SCell) are asynchronous or synchronous, determining maximum transmission power for the SCell, using the information on transmission power, based on whether the PCell and the SCell are asynchronous or synchronous, and transmitting signal to the SCell based on the maximum transmission power for the SCell.

公开(公告)号：US20180249499A1

公开(公告)日：2018-08-30

申请号：US15558968

申请日：2016-04-08

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Kijun KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Seungmin LEE ,  Hanjun PARK

IPC: H04W74/08 ,  H04W16/14 ,  H04W72/04

CPC classification number: H04W74/0808 ,  H04W16/14 ,  H04W72/04 ,  H04W72/0446 ,  H04W72/1289 ,  H04W74/08

Abstract: The present invention relates to a wireless access system supporting an unlicensed band, and to a method for performing a clear channel assessment (CCA) or a LBT, and an apparatus for supporting the same. As one embodiment of the present invention, the method by which a terminal performs a CCA in the wireless access system supporting an unlicensed band comprises the steps of: receiving resource allocation information indicating a resource region allocated in the unlicensed band; performing the CCA only for the resource region; and transmitting uplink data through the resource region when the resource region is in an idle state.

公开(公告)号：US20180167958A1

公开(公告)日：2018-06-14

申请号：US15577642

申请日：2016-06-23

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Kijun KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Ilmu BYUN

IPC: H04W72/12 ,  H04W72/00

CPC classification number: H04W72/121 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/1469 ,  H04L27/2602 ,  H04W72/005 ,  H04W72/1273 ,  H04W72/1278

Abstract: The present invention relates to a wireless communication system. Specifically, the invention relates to a method and an apparatus for the same, the method comprising the steps of: receiving system information indicating a TDD UL-DL configuration; receiving MBSFN SF allocation information; and, on the basis of a TTI configuration of SF #n, processing a signal for the SF #n, wherein if the SF #n is non-MBSFN SF, the SF #n is configured by a single TTI, and if the SF #n is MBSFN SF, the SF #n is configured by multi-TTI.