公开(公告)号：US20200077349A1

公开(公告)日：2020-03-05

申请号：US16346650

申请日：2017-11-01

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W56/00 ,  H04W72/00 ,  H04L5/14

Abstract: An embodiment of the present invention provides a device-to-device (D2D) signal transmission method wherein a terminal acquires synchronization and transmits a D2D signal by applying an offset in a wireless communication system, the method comprising the steps of: acquiring synchronization from at least one of a global navigation satellite system (GNSS) and an eNB; and transmitting a D2D signal on the basis of the acquired synchronization, wherein, when the terminal a) is located within a time division duplex (TDD) cell and b) is an in-coverage UE, and c) the eNB configures a system frame number (SFN) boundary on the basis of GNSS timing, the terminal applies a predetermined offset when a D2D signal is transmitted, regardless of whether the GNSS is used as a synchronization reference.

公开(公告)号：US20200053647A1

公开(公告)日：2020-02-13

申请号：US16608432

申请日：2018-04-26

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Seunggye HWANG

IPC: H04W52/02 ,  H04W76/28 ,  H04W4/40 ,  H04W8/00 ,  H04W56/00 ,  H04W72/04

Abstract: One embodiment of the present invention provides a method for receiving a wake-up signal by a first UE in a wireless communication system, the method comprising the steps of: operating a wake-up receiver during a wake-up signal on-duration by the first UE; and receiving a wake-up signal transmitted by a second UE through the wake-up receiver and then receiving data, wherein information related to the wake-up signal on-duration is commonly signaled to the first UE, which receives the wake-up signal, and the second UE which transmits the wake-up signal. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, the BS or a network.

公开(公告)号：US20200045705A1

公开(公告)日：2020-02-06

申请号：US16338414

申请日：2017-09-29

Applicant: LG ELECTRONICS INC. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Hyukjin CHAE ,  Seungmin LEE ,  Seungil PARK ,  Sunghyun CHOI

IPC: H04W72/04

Abstract: One embodiment of the present invention relates to a method for user equipment receiving broadcast feedback information transmitting a message in a wireless communication system, the method for user equipment receiving broadcast feedback information transmitting a message comprising the steps of: broadcasting a first message from a first resource; receiving, from a plurality of user equipment which have received the broadcast, information relating to resource use of the first resource; determining whether to perform resource reselection from resource use of the first resource received from the plurality of user equipment; and transmitting a second message using a reselected resource when the resource reselection is to be performed, wherein the information relating to resource use is a status value corresponding to the number of user equipment using the first resource.

公开(公告)号：US20200037358A1

公开(公告)日：2020-01-30

申请号：US16337343

申请日：2017-09-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/04 ,  H04W4/70

Abstract: One embodiment of the present invention is a method for user equipment transmitting a physical sidelink shared channel (PSSCH) in a wireless communication system, the method for transmitting a PSSCH comprising the steps of: performing sensing on an m number of subframes indicated by upper layer signaling from among an n number of subframes in a sensing window; repeating sensing of the m number of subframes at an interval of the n number of subframes within the sensing window; selecting, as a transmission resource, the m number of subframes from among the n number of subframes within a selection window, on the basis of the result of sensing the m number of subframes; and transmitting the PSSCH through the m number of subframes selected as the transmission resource.

公开(公告)号：US20200037307A1

公开(公告)日：2020-01-30

申请号：US16604074

申请日：2018-04-10

Applicant: LG Electronics Inc.

Inventor： Sungyong KANG ,  Hanbyul SEO ,  Youngtae KIM ,  Hyukjin CHAE ,  Heejin KIM

IPC: H04W72/04 ,  H04W4/46 ,  H04W4/02 ,  H04W72/02

Abstract: The present application provides a method for transmitting a signal by an in-vehicle terminal, using device to device direct communication, in a wireless communication system. Specifically, the method comprises the steps of: configuring a restricted resource set on the basis of sensing of a transmission resource pool; determining a reserved resource set within the restricted resource set; and transmitting the signal at a first time point by using a transmission resource selected from an available resource set except for the restricted resource set in the transmission resource pool, wherein the reserved resource set is configured as the available resource set at a second time point.

公开(公告)号：US20200037126A1

公开(公告)日：2020-01-30

申请号：US16495822

申请日：2018-03-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/40 ,  H04W72/04 ,  H04L5/00 ,  H04L1/06 ,  H04L1/00 ,  H04L27/26

Abstract: Provided are a method for decoding a V2X signal transmitted by means of a transmit diversity method in a wireless communication system, and a terminal for applying same. The method comprises: determining a first CS index of a first DM-RS associated with a first antenna port on the basis of a CRC of sidelink control information (SCI) received via a PSCCH; determining a second CS index of a second DM-RS associated with a second antenna port on the basis of reserved bits of the SCI; and on the basis of the first DM-RS having the first CS index applied thereto, and the second DM-RS having the second CS index applied thereto, decoding a V2X signal transmitted via the first antenna port and the second antenna port.

公开(公告)号：US20200015230A1

公开(公告)日：2020-01-09

申请号：US16490516

申请日：2018-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W72/04

Abstract: An embodiment of the present invention relates to a method for transmitting a sidelink signal by a terminal in a wireless communication system, the method comprising the steps of: generating a sequence for transmitting a sidelink signal; mapping the sequence to a plurality of subcarriers around a sidelink direct current (DC) subcarrier; and transmitting a sequence for transmitting the mapped sidelink signal, wherein the location of the sidelink DC subcarrier has been inherited from a location of a DC subcarrier when the terminal transmits an uplink signal to a base station or a location of a DC subcarrier when the terminal receives a downlink signal from the base station. The first terminal is included in an autonomous vehicle.

公开(公告)号：US20200008025A1

公开(公告)日：2020-01-02

申请号：US16480215

申请日：2018-01-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/40 ,  H04W28/26 ,  H04W4/06

Abstract: Provided are 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 method. The method comprises: performing first group transmission including first transmission and first retransmission; and performing second group transmission including second transmission and second retransmission, wherein the first group transmission and the second group transmission are performed to transmit data, and a resource reservation period for the first group transmission and the second group transmission is a half of a resource reservation period of another terminal which retransmits the data a maximum of only two times.

公开(公告)号：US20190265364A1

公开(公告)日：2019-08-29

申请号：US16398749

申请日：2019-04-30

Applicant: LG Electronics Inc.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: G01S19/21 ,  G01S19/25 ,  H04W4/40 ,  H04W64/00

Abstract: An embodiment of the present invention provides a method for a vehicle-to-everything (V2X) terminal deriving location information by means of receiving a global positioning system (GPS) signal in a wireless communication system. The method, for deriving location information, comprises the steps of: receiving a GPS signal; determining, on the basis of information received from a fixed node, whether or not the GPS signal has been spoofed; and, if the GPS has not been spoofed, deriving location information from the GPS signal, wherein the information received from the fixed node is one of GPS signal reception-related information of the fixed node, location information of the fixed node and time stamp information of the fixed node.

公开(公告)号：US20190254091A1

公开(公告)日：2019-08-15

申请号：US16314482

申请日：2017-07-03

Applicant: LG Electronics Inc.

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

IPC: H04W76/14 ,  H04W72/12 ,  H04W4/40 ,  H04L1/00

Abstract: Disclosed are a method for transmitting and receiving data in a wireless communication system supporting vehicle-to-everything (V2X) communication, and an apparatus therefor. Specifically, a method for transmitting and receiving data by a first terminal in a wireless communication system supporting V2X comprises the steps of: receiving, from a base station, downlink control information (DCI) including resource allocation information related to the transmission of control information for a sidelink; transmitting, to a second terminal, the control information for the sidelink on the basis of the resource allocation information; and transmitting at least one type of data to the second terminal, wherein the control information for the sidelink can be transmitted in a second subframe positioned after a predetermined offset from a first subframe in which the downlink control information is received.