公开(公告)号：US20190306839A1

公开(公告)日：2019-10-03

申请号：US16307887

申请日：2017-06-22

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Hanbyul SEO ,  Yunjung YI ,  Hanjun PARK ,  Kijun KIM

IPC: H04W72/04 ,  H04W72/14

Abstract: Provided is a method and device for monitoring a control channel in a wireless communication system. The device determines a search space for detecting a physical downlink control channel (PDCCH) on the basis of a long device identifier. The device monitors the PDCCH in the search space on the basis of a short device identifier.

公开(公告)号：US20190191486A1

公开(公告)日：2019-06-20

申请号：US16281735

申请日：2019-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Sechang MYUNG ,  Seonwook KIM ,  Hanjun PARK ,  Joonkui AHN ,  Suckchel YANG

IPC: H04W80/08 ,  H04W72/12 ,  H04W72/04 ,  H04L1/18 ,  H04W76/27 ,  H04W72/14

Abstract: A method by which a terminal receives data in a wireless communication system and a device using the method are provided. The method is characterized by receiving first data in a unit of transport block, the transport block including at least one code block, transmitting acknowledgement/negative-acknowledgement (ACK/NACK) information for each code block, of which there is at least one, and receiving, in a unit of code block, second data included in a code block, for which NACK has been transmitted, among code blocks, of which there is at least one.

公开(公告)号：US20190182698A1

公开(公告)日：2019-06-13

申请号：US16324796

申请日：2017-08-11

Applicant: LG Electronics Inc.

Inventor： Hanjun PARK ,  Yunjung YI

IPC: H04W24/10 ,  H04B17/318

CPC classification number: H04W24/10 ,  H04B17/318

Abstract: Disclosed are: a method for reporting reference signal measurement information for a secondary base station by a terminal, connected to both a master base station and the secondary base station according to a dual connectivity scheme, in a wireless communication system comprising the master base station and the secondary base station that is operated under the control of the master base station and employs multiple analog beams; and an apparatus supporting the same.

公开(公告)号：US20190173553A1

公开(公告)日：2019-06-06

申请号：US16321374

申请日：2017-07-28

Applicant: LG ELECTRONICS INC

Inventor： Hanjun PARK ,  Kijun KIM ,  Eunsun KIM ,  Jiwon KANG ,  Kunil YUM ,  Seungmin LEE

IPC: H04B7/06 ,  H04L5/00 ,  H04W56/00 ,  H04B17/24 ,  H04L27/26

Abstract: Disclosed are a method for reporting channel state information by a terminal and, a device for supporting the same. More particularly, disclosed are a method in which a base station transmits a signal using a plurality of analog beams, and a terminal calculates channel state information feedback and reports the channel state information to the base station, in response to the base station, and a device for supporting the same.

公开(公告)号：US20190165875A1

公开(公告)日：2019-05-30

申请号：US16261798

申请日：2019-01-30

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Kijun KIM ,  Suckchel YANG ,  Hanbyul SEO ,  Seungmin LEE ,  Hanjun PARK ,  Hyangsun YOU ,  Yunjung YI

IPC: H04J11/00 ,  H04W88/18 ,  H04L5/00 ,  H04L27/26

Abstract: A method of transmitting data signals comprising a shortened downlink shared channel (sPDSCH) by a base station in a wireless access system supporting an unlicensed band, the method includes performing a carrier sensing to check whether the unlicensed band is in an idle state or not; and transmitting, to a user equipment (UE), the data signals comprising the sPDSCH based on the carrier sensing via the unlicensed band during a channel occupancy time; wherein the sPDSCH is transmitted in a first time interval or a second time interval following the first time interval, wherein the first time interval starts from a starting point of the transmission of the data signal, and wherein the second time interval ends at a subframe boundary of a licensed band.

公开(公告)号：US20190132759A1

公开(公告)日：2019-05-02

申请号：US16065740

申请日：2017-05-31

Applicant: LG Electronics Inc.

Inventor： Hanjun PARK ,  Hyunsoo KO ,  Eunsun KIM ,  Kijun KIM ,  Yunjung YI ,  Hyunho LEE

IPC: H04W24/10 ,  H04L5/00 ,  H04W72/04 ,  H04W56/00

Abstract: The present invention discloses a method for a terminal reporting radio resource management (RRM) to a base station, and an apparatus supporting the same. More specifically, the present invention discloses a method for a terminal, if a base station transmits signals including an RRM reference signal (RS) by using one or more analogue beams for each symbol, performing RRM measurement in correspondence with the same, and reporting the measured RRM information; and an apparatus supporting the same.

公开(公告)号：US20190081744A1

公开(公告)日：2019-03-14

申请号：US16080594

申请日：2017-03-03

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Kijun KIM ,  Byounghoon KIM ,  Eunsun KIM ,  Hanjun PARK ,  Ilmu BYUN ,  Hyunho LEE

IPC: H04L1/18 ,  H04W72/12 ,  H04L5/00 ,  H04L27/26 ,  H04W72/04

Abstract: The present invention relates to a wireless communication system, and particularly, to a method and an apparatus for same, the method comprising the steps of: receiving DL data from a DL data zone of time unit #n; transmitting ACK/NACK information for the DL data from a UL control zone of time unit #n+1; and receiving DL scheduling information indicating retransmission of the DL data from a DL control zone of time unit #n+2, wherein each of the time units comprises, in time order, the DL control zone, a GP, the UL control zone, and the DL data zone.

公开(公告)号：US20190037562A1

公开(公告)日：2019-01-31

申请号：US16073473

申请日：2017-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Yunjung YI ,  Eunsun KIM ,  Suckchel YANG ,  Hyunho LEE ,  Daesung HWANG

IPC: H04W72/04 ,  H04L5/00

Abstract: Disclosed are a method for transmitting a sounding reference signal to a base station by a terminal and an apparatus for supporting the same. Particularly, disclosed is a sounding reference signal transmission method comprising: determining a transmission time point of a first SRS within a first TTI, which has a length shorter than the length of one subframe, on the basis of the first TTI; and transmitting the first SRS at the determined transmission time point, wherein a frequency resource at which the first SRS is transmitted is configured independently from a frequency resource at which a second SRS based on a second TTI having a length corresponding to the length of one subframe is transmitted.

公开(公告)号：US20180249484A1

公开(公告)日：2018-08-30

申请号：US15757314

申请日：2016-07-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/12 ,  H04W74/08 ,  H04W74/00

Abstract: The present invention relates to a wireless access system supporting an unlicensed band, various methods for adjusting a contention window size, methods for performing a carrier sensing process in a single engine and a multi-engine, and an apparatus supporting the same. As one embodiment of the invention, a method for adjusting a contention window size (CWS) in a wireless access system supporting an unlicensed band may comprise: a step of setting a contention window size (CWS) necessary for performing a channel access process for each of priority classes; a step of performing a channel access process for a particular priority class in a channel in an unlicensed band on the basis of the set CWS; a step of performing a downlink transmission related to the particular priority class if it is determined that the channel in the unlicensed band is in an idle state as a result of the channel access process; and a step of making adjustments for all CWS' of priority classes if a triggering event, which relates to a downlink transmission and increases or reduces the CWS for the particular priority class, occurs.

公开(公告)号：US20180242364A1

公开(公告)日：2018-08-23

申请号：US15751975

申请日：2016-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Joonkui AHN ,  Seonwook KIM

IPC: H04W74/08 ,  H04W16/14 ,  H04W24/08 ,  H04W52/36

CPC classification number: H04W74/0816 ,  H04W16/14 ,  H04W24/08 ,  H04W52/367 ,  H04W74/00 ,  H04W74/08 ,  H04W88/08

Abstract: A method for performing channel access in an unlicensed band by a base station in a wireless communication system according to an embodiment of the present invention may comprise the steps of: sensing, in an unlicensed band, a carrier for transmitting a downlink signal; and transmitting the downlink signal when power detected by sensing the carrier is less than an energy detection threshold set by the base station, wherein the energy detection threshold is set to be equal to or less than a maximum energy detection threshold determined by the base station, and when another radio access technology (RAT) sharing the carrier exists, the maximum energy detection threshold is adaptively determined depending on the bandwidth size of the carrier, using the value, in decibels, of the ration between a reference bandwidth and the bandwidth of the carrier.