公开(公告)号：US20200221487A1

公开(公告)日：2020-07-09

申请号：US16822904

申请日：2020-03-18

Applicant: LG Electronics Inc.

Inventor： Kilbom LEE ,  Kyuseok KIM ,  Hyungtae KIM ,  Jiwon KANG ,  Jonghyun PARK ,  Hanjun PARK

IPC: H04W72/12 ,  H04L5/00

Abstract: Disclosed are a method of transmitting and receiving a downlink between a user equipment (UE) and a base station (BS) in a wireless communication system, and an apparatus for supporting the same. According to an embodiment applicable to the present disclosure, when the UE recognizes that plural transmission configuration indication (TCI) states related to one reference signal set are allocated to the UE through received downlink control information (DCI), the UE may receive/acquire a first physical downlink shared channel (PDSCH) scheduled by the DCI with high reliability.

公开(公告)号：US20200045734A1

公开(公告)日：2020-02-06

申请号：US16317736

申请日：2017-07-14

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Seonwook KIM ,  Joonkui AHN

IPC: H04W74/08 ,  H04W16/14 ,  H04W72/04 ,  H04W72/14 ,  H04L1/18

Abstract: Disclosed in the present invention are: a method for adjusting a contention window size (CWS) for uplink listen-before-talk (LBT) in a wireless communication system supporting an unlicensed band; and a device for supporting the same. More particularly, disclosed are a base station centric CWS adjusting method, a terminal centric CWS adjusting method, and devices for supporting the same.

公开(公告)号：US20190297618A1

公开(公告)日：2019-09-26

申请号：US16440449

申请日：2019-06-13

Applicant: LG Electronics Inc.

Inventor： Suckchel YANG ,  Hanjun PARK ,  Seonwook KIM

IPC: H04W72/04 ,  H04B1/713 ,  H04L5/00 ,  H04L1/18

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method including receiving indication information related to a PUCCH resource set of a specific PUCCH format through system information, the PUCCH resource set comprising a first RB offset, receiving a PDCCH including a resource indicator RI through CCE, and transmitting the control information on the PUCCH, wherein an RB index of the PUCCH is determined based on the first RB offset and a second RB offset related to a first bit value of the RI, and wherein a CS index of the PUCCH is determined based on a combination of [a second bit value of the RI, a 1-bit value based on a starting CCE index of the PDCCH (hereinafter, a CCE-based 1-bit value)] in a CS index set, and an apparatus therefor.

公开(公告)号：US20190230685A1

公开(公告)日：2019-07-25

申请号：US16065765

申请日：2018-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Suckchel YANG ,  Seonwook KIM ,  Changhwan PARK

IPC: H04W72/12 ,  H04W72/04

Abstract: The present invention provides a method for transmitting or receiving an uplink signal between a terminal and a base station in a wireless communication system, and a device supporting the same. More particularly, the present invention provides: a configuration wherein when various numerologies are applied, a terminal receives downlink data from a base station and transmits uplink control information corresponding to the received downlink data; and a corresponding operation configuration of the base station.

公开(公告)号：US20190223199A1

公开(公告)日：2019-07-18

申请号：US16354845

申请日：2019-03-15

Applicant: LG Electronics Inc.

Inventor： Hanjun PARK ,  Suckchel YANG ,  Seonwook KIM

IPC: H04W72/12 ,  H04W72/04 ,  H04W76/11 ,  H04L1/18 ,  H04L5/00 ,  H04W76/27

Abstract: A wireless communication system is disclosed. More particularly, disclosed herein are a method including receiving downlink scheduling information on a PDCCH, the downlink scheduling information comprising resource indication information (RI), selecting a first PUCCH resource set from among a plurality of PUCCH resource sets based on a size of the control information, and transmitting the control information using a PUCCH resource corresponding to the RI in the first PUCCH resource set, wherein, when a control information size supported by the first PUCCH resource set is less than or equal to X (>=1) bits, the PUCCH resource is determined using one of a first scheme and a second scheme, and wherein, when the control information size supported by the first PUCCH resource set is greater than X bits, the PUCCH resource is determined using only the second scheme, and an apparatus therefor.

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.

公开(公告)号：US20190045505A1

公开(公告)日：2019-02-07

申请号：US16068595

申请日：2017-01-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04W72/12

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method and an apparatus therefor, the method comprising the steps of: receiving a DCI including UL scheduling information for a plurality of subframes, wherein the DCI further includes SRS request information; and transmitting, according to the request indicated by the SRS request information, an SRS through a predetermined subframe among the plurality of subframes only one time, wherein the predetermined subframe includes the first subframe in which UL transmission is scheduled or the last subframe in which UL transmission is scheduled, among the plurality of subframes.

公开(公告)号：US20190037586A1

公开(公告)日：2019-01-31

申请号：US16100872

申请日：2018-08-10

Applicant: LG Electronics Inc.

Inventor： Hanjun PARK ,  Suckchel YANG ,  Seonwook KIM

IPC: H04W72/12 ,  H04W72/04 ,  H04W72/14

Abstract: Disclosed herein are a method for transmitting and receiving uplink control information between a terminal and a base station in a wireless communication system and devices supporting the same.Particularly, disclosed herein are a method for transmitting and receiving uplink control information between a terminal and a base station on a physical uplink shared channel (PUSCH) without data (e.g., UL-SCH) and operation of devices supporting the same.

公开(公告)号：US20180376359A9

公开(公告)日：2018-12-27

申请号：US15284393

申请日：2016-10-03

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Jonghyun PARK ,  Hanbyul SEO ,  Hanjun PARK

IPC: H04W24/08 ,  H04L5/00

Abstract: A method of reporting channel state information (CSI) on a terminal in which a plurality of CSI processes are configured in a wireless communication system according to an embodiment of the present invention includes: measuring a channel based on a CSI reference signal (RS) resource related to one of the CSI processes; measuring interference based on a CSI-interference measurement (IM) resource related to the CSI process; determining CSI based on the measured channel and the measured interference; and reporting the CSI through an uplink channel, wherein a codebook for reporting the CSI, which is used for determining the CSI, is one of two or more codebooks that correspond independently to each of the CSI processes.

公开(公告)号：US20180352443A1

公开(公告)日：2018-12-06

申请号：US15777871

申请日：2016-11-24

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Seungmin LEE ,  Hanjun PARK ,  Byounghoon KIM

IPC: H04W16/26 ,  H04W24/08 ,  H04W40/20 ,  H04W64/00

Abstract: To achieve the above described objective, a disclosure of the present specification provides a method in which a cell having mobility provides a communication service. The method may comprise the steps of: obtaining, by the cell having mobility, first channel state information associated with a departure point node that is to transmit data; obtaining, by the cell having mobility, second channel state information associated with a destination node that is to receive data; and determining, by the cell having mobility, a location where the cell is to be located at a time point for data communication relay between the departure point node and the destination node on the basis of the first channel state information and the second channel state information. In this instance, the cell having mobility can move in the horizontal direction and the vertical direction from the surface of the earth.