公开(公告)号：US20210051627A1

公开(公告)日：2021-02-18

申请号：US16064894

申请日：2018-03-30

Applicant: LG ELECTRONICS INC.

Inventor： Jongyoul LEE ,  Hanbyul SEO ,  Youngtae KIM ,  Seungmin LEE ,  Hyukjin CHAE

IPC: H04W72/02 ,  H04W72/04 ,  H04W4/40 ,  H04L1/00

Abstract: Provided is a method for transmitting a signal by a terminal for vehicle-to-everything (V2X) communication in a wireless communication system and a terminal using the same method. The method comprises: mapping V2X data to a resource of a subframe including multiple symbols in a time domain; and transmitting the mapped V2X data to another terminal, wherein, in the step of mapping, resource elements included in a last symbol of the subframe are excluded.

公开(公告)号：US20210021387A1

公开(公告)日：2021-01-21

申请号：US17043627

申请日：2019-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04L1/18 ,  H04L1/00 ,  H04L1/08 ,  H04W72/00 ,  H04W56/00 ,  H04L5/00

Abstract: Disclosed are a method for transmitting a sidelink signal encoded on the basis of a polar code, by a terminal in a wireless communication system supporting a sidelink according to various embodiments, and a device therefor. Disclosed are a method for transmitting a sidelink signal encoded on the basis of a polar code and a device therefor, the method comprising the steps of: mapping, to bit indices of a polar code, information bits of input information including information on a plurality of fields; encoding the mapped information bits on the basis of the polar code; and transmitting a sidelink signal including the encoded information bits, wherein information bits corresponding to a particular field among the plurality of fields are mapped to a bit index lower than a bit index to which the information bits corresponding to the remaining fields are mapped.

公开(公告)号：US20200383094A1

公开(公告)日：2020-12-03

申请号：US16496639

申请日：2018-03-26

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Seungmin LEE ,  Hanbyul SEO ,  Youngdae LEE

IPC: H04W72/04 ,  H04L1/08 ,  H04W4/40 ,  H04L12/24 ,  H04L12/26

Abstract: The present invention relates to a wireless communication system and, specifically, to a method and an apparatus therefor, the method comprising: a step of configuring a plurality of carriers to which an SL communication is applied, wherein an SL resource pool is periodically configured in each carrier; a step of selecting one of the plurality of carriers as a serving carrier; a step of selecting a transmission resource among the SL resource pool in the selected carrier; and a step of transmitting the SL signal using the transmission resource, wherein a frequency of a process of reselecting the serving carrier is less than a frequency of a process of reselecting the transmission resource among the SL resource pool in the preselected carrier.

公开(公告)号：US20200267671A1

公开(公告)日：2020-08-20

申请号：US16652018

申请日：2018-09-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Seungmin LEE ,  Hanbyul SEO

IPC: H04W56/00 ,  H04L5/00

Abstract: One embodiment of the present invention relates to a method for transmitting a sidelink synchronization signal (SLSS) in a wireless communication system, comprising the steps of: selecting, by user equipment (UE), a synchronization reference from among a plurality of synchronization sources; and transmitting the SLSS on the basis of the selected synchronization reference, wherein the synchronization reference is selected from among synchronization sources in two or more component carriers (CCs).

公开(公告)号：US20200267507A1

公开(公告)日：2020-08-20

申请号：US16753674

申请日：2018-10-29

Applicant: LG Electronics Inc.

Inventor： Hyukjin CHAE ,  Seungmin LEE

IPC: H04W4/029 ,  H04L5/00

Abstract: Disclosed are a method for a terminal transmitting positioning information in a wireless communication system supporting sidelink and a device therefor according to various embodiments. Disclosed are a method for a terminal transmitting positioning information and a device therefor, the method comprising the steps of: receiving, from a network or a transmission terminal, a positioning signal comprising N consecutive tones to which reference signals are mapped; measuring the phase difference between a reference signal, which is mapped to an anchor tone which is a reference among the N consecutive tones, and the reference signals respectively mapped to the remaining tones; and transmitting, to the network or the transmission terminal, positioning information comprising information relating to the measured phase difference, wherein the positioning information comprises information relating to the sum of the measured phase differences between the reference signals.

公开(公告)号：US20200252871A1

公开(公告)日：2020-08-06

申请号：US16483327

申请日：2018-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W52/02 ,  H04W72/04 ,  H04L1/16

Abstract: An embodiment of the present invention relates to a method for receiving, by a terminal, a signal of another terminal by using a time resource pattern of transmission (T-RPT) in a wireless communication system, the method comprising the steps of: determining subframes through which the another terminal transmits data, by applying a T-RPT bitmap to subframes within a physical sidelink control channel (PSCCH) period; and receiving D2D data from at least some of the subframes through which the another terminal transmits data, wherein when the terminal has received first information within the PSCCH period, the terminal switches subframes into a sleep mode according to the first information even though the T-RPT bitmap indicates that data is to be transmitted through the subframes.

公开(公告)号：US20200178292A1

公开(公告)日：2020-06-04

申请号：US16637951

申请日：2018-08-10

Applicant: LG ELECTRONICS INC.

Inventor： Myoungseob KIM ,  Hanbyul SEO ,  Seungmin LEE ,  Hyukjin CHAE

IPC: H04W72/14 ,  H04B7/14 ,  H04W72/04

Abstract: The present specification provides a method for transmitting a grant related to sidelink transmission of a remote UE, through a UE-to-network relay in a wireless communication system. A method performed by a relay UE comprises the steps of: receiving a first control message related to a grant from a serving base station, wherein the first control message includes an identifier for identifying a remote UE, first control information related to a time point of monitoring the grant, and second control information related to a time point at which the relay UE relays the grant to the remote UE; receiving the grant from the serving base station on the basis of the first control information; and transmitting the grant to the remote UE on the basis of the identifier and the second control information.

公开(公告)号：US20200178199A1

公开(公告)日：2020-06-04

申请号：US16635992

申请日：2018-08-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W64/00 ,  H04B7/06 ,  H04L5/00 ,  H04W4/70 ,  G05D1/00 ,  H04W72/04 ,  H04W4/029

Abstract: Various embodiments provide a method and an apparatus for acquiring ranging information by a terminal in a wireless communication system supporting device to device (D2D) communication. Specifically, disclosed are a method and an apparatus for acquiring ranging information by a terminal, the method comprising the steps of: receiving, from a road side unit (RSV), a ranging signal including location information of the RSU; transmitting a feedback signal to the RSU, in a resource region determined on the basis of geographic information of the terminal; and receiving a response signal from the RSU, as a response to the feedback signal, and acquiring ranging information on the basis of the received response signal, wherein the response signal further includes ranging information of another terminal which has received the ranging signal and transmitted a feedback signal.

公开(公告)号：US20200154384A1

公开(公告)日：2020-05-14

申请号：US16738699

申请日：2020-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W56/00 ,  H04W4/46 ,  H04W76/14 ,  H04L5/00

Abstract: An embodiment of the present invention relates to a method in which a terminal transmits a sidelink synchronization signal (SLSS) in a wireless communication system, the method including: selecting an SLSS ID by means of a terminal which directly receives a signal from Global Navigation Satellite Systems (GNSS) to obtain synchronization; and transmitting the SLSS generated on the basis of the selected SLSS ID, wherein the selected SLSS ID is selected from an SLSS ID set, which is identical to one used when a terminal, which directly receives a synchronization signal from a base station and selects a base station timing as synchronization, transmits the SLSS.

公开(公告)号：US20200100237A1

公开(公告)日：2020-03-26

申请号：US16608101

申请日：2018-04-24

Applicant: LG Electronics Inc.

Inventor： Hyukjin CHAE ,  Myeongjin KIM ,  Sangrim LEE

IPC: H04W72/04 ,  H04L5/00

Abstract: Provided in various embodiments are a method by which a D2D terminal transmits a reference signal (RS) for a PDoA in a wireless communication system, and a device therefor. Disclosed are a method by which a D2D terminal transmits a reference signal (RS) for a PDoA, and a device therefor, the method comprising the steps of: determining, on the basis of the maximum value of a difference between indexes of subcarriers of a resource block for the transmission of a reference signal (RS), an index set for RS mapping among preconfigured index sets; mapping the RS to the subcarriers of the resource block having indexes corresponding to each of the indexes included in the index set for the RS mapping; and transmitting the resource block to which the RS is mapped, wherein the preconfigured index sets include indexes in which differences between two pairs of indexes are not the same for each number of indexes.