公开(公告)号：US20220284815A1

公开(公告)日：2022-09-08

申请号：US17753203

申请日：2019-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Myoungseob KIM ,  Jongseob BAEK

IPC: G08G1/16 ,  G06F3/14 ,  G06V20/56

Abstract: Provided is a method for providing a safety service in a wireless communication system via a host vehicle. The method may include: detecting an object outside the host vehicle through an object detection device; transmitting a first message providing notification of the detection of the object through a transmitter and a receiver; and outputting an image, for providing the object with the safety service, through an image output device to a prescribed area outside the host vehicle.

公开(公告)号：US20210153099A1

公开(公告)日：2021-05-20

申请号：US16637655

申请日：2017-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Seoyoung BACK ,  Woosuk KO ,  Jongseob BAEK ,  Jaeho HWANG

IPC: H04W40/20 ,  H04L12/741 ,  H04L12/24 ,  H04W4/40 ,  H04W4/02

Abstract: A geo-networking transmission method of a V2X communication apparatus is disclosed. The geo-networking transmission method according to an embodiment of the present disclosure includes configuring location information, wherein the location information includes information on a V2X communication apparatus executing a geo-networking protocol, selecting a forwarder candidate among neighboring V2X communication apparatuses included in the location table, determining a forwarder based on a distance between the forwarder candidate and a destination, and setting an address of the determined forwarder as a link layer address of a next hop, and transmitting a geo-networking packet based on the link layer address.

公开(公告)号：US20200244496A1

公开(公告)日：2020-07-30

申请号：US16847143

申请日：2020-04-13

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Jongwoong SHIN ,  Jaehyung KIM

IPC: H04L27/26 ,  H03M13/27 ,  H04L1/00 ,  H04L5/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.

公开(公告)号：US20200177430A1

公开(公告)日：2020-06-04

申请号：US16784852

申请日：2020-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

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

Abstract: Disclosed herein is a method of receiving a broadcast signal. The method comprises receiving the broadcast signal; an Orthogonal Frequency Division Multiplexing (OFDM) demodulating on the received broadcast signal; parsing at least one signal frame from the demodulated broadcast signal to extract service data or service component data; converting the service data or service component data into bits; decoding the converted bits; and outputting a data stream comprising the decoded bits.

公开(公告)号：US20200153668A1

公开(公告)日：2020-05-14

申请号：US16742225

申请日：2020-01-14

Applicant: LG Electronics Inc.

Inventor： Jaehyung KIM ,  Chulkyu MUN ,  Woosuk KO ,  Jongseob BAEK ,  Sungryong HONG

IPC: H04L27/26 ,  H04L1/00 ,  H04W72/00 ,  H04L5/00

Abstract: A broadcast signal receiver includes a tuner for tuning a broadcast signal, a reference signal detector for detecting pilots from the tuned broadcast signal, a de-framer for de-framing a signal frame of the broadcast signal and deriving service data based on a number of carriers of the signal frame, and a decoder for performing error correction process on the derived service data.

公开(公告)号：US20200092796A1

公开(公告)日：2020-03-19

申请号：US16469958

申请日：2016-12-14

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Woosuk KO

IPC: H04W48/12 ,  H04W4/46 ,  H04W72/04 ,  H04L29/08 ,  H04W76/40

Abstract: Disclosed is a multi-channel operation method of a V2X communication device. The multi-channel operation method according to an embodiment of the present invention includes accessing a control channel (CCH) for a service advertisement information exchange, receiving the service advertisement information via the accessed control channel, accessing a service channel (SCH) for the transmission or reception of service data for service provision based on the service advertisement information, and receiving the service data via the service channel.

公开(公告)号：US20190288890A1

公开(公告)日：2019-09-19

申请号：US16429961

申请日：2019-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Jongwoong SHIN ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H03M13/27 ,  H04L1/00 ,  H04L5/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.

公开(公告)号：US20190089487A1

公开(公告)日：2019-03-21

申请号：US16197303

申请日：2018-11-20

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04L29/06 ,  H04L27/26 ,  H04B7/0456 ,  H04L5/00

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, PLP(Physical Layer Pipe) data; time interleaving, by a time interleaver, the encoded PLP data; frame mapping, by a framer, the time interleaved PLP data onto at least one signal frames; frequency interleaving, by a frequency interleaver, data in the at least one signal frames; and waveform modulating, by a waveform module, the frequency interleaved data in the at least one signal frame and transmitting, by the waveform module, broadcast signals having the modulated data, wherein the frequency interleaving is conducted according to an interleaving mode, wherein the interleaving mode is determined based on a FFT (Fast Fourier Transform) size.

公开(公告)号：US20190036755A1

公开(公告)日：2019-01-31

申请号：US16135878

申请日：2018-09-19

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04H60/73 ,  H04B7/0413 ,  H04L1/00

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block and a decoder to decode the time deinterleaved service data.

公开(公告)号：US20180227160A1

公开(公告)日：2018-08-09

申请号：US15741592

申请日：2016-03-18

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Jaehyung KIM ,  Sungryong HONG ,  Jongwoong SHIN

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04L1/0071 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2608 ,  H04L27/2628 ,  H04L27/2647 ,  H04L27/2692 ,  H04L65/4076 ,  H04L65/607 ,  H04L65/80 ,  H04L2001/0093 ,  H04W72/0446

Abstract: A broadcast signal receiving device according to an embodiment of the present invention may comprise: a receiving unit for receiving broadcast signals; a demodulator for demodulating the received broadcast signals using an OFDM (Orthogonal Frequency Division Multiplex) technique; a frequency deinterleaver for deinterleaving the demodulated broadcast signals by using an interleaving sequence generated on the basis of a basic interleaving sequence and a symbol offset value; a frame parser for parsing at least one signal frame from the frequency deinterleaved broadcast signals; and a decoder for decoding service data in the at least one parsed signal frame.