公开(公告)号：US20200336871A1

公开(公告)日：2020-10-22

申请号：US16770875

申请日：2017-12-14

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko

IPC: H04W4/40 ,  H04W48/08 ,  H04W72/04

Abstract: A communication method of a V2X communication device is disclosed. The communication method includes accessing a first channel; receiving a network protocol data unit (NPDU) including a service advertisement message (SAM) on the first channel; and based on the service advertisement message, accessing a service channel and receiving service data.

公开(公告)号：USRE48249E1

公开(公告)日：2020-10-06

申请号：US16218368

申请日：2018-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Woosuk Ko

IPC: H04W72/00 ,  H04L29/06 ,  H04W28/06 ,  H04H20/72 ,  H04L1/00

Abstract: Disclosed are a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in the broadcast signal transmitting and receiving apparatuses. The broadcast signal transmitting method comprises the steps of: compressing headers of data packets which are included in an Internet protocol (IP) stream identified by access information, wherein the compressed data packets include a first packet containing both static information and dynamic information in the header thereof, and a second packet containing dynamic information in the header thereof; splitting the static information from the header of the first packet and diverting the remaining part thereof into the second packet; outputting an IP stream, which includes the second packet, via a data physical layer pipe (PLP); outputting, via a common PLP, a common stream, which includes the static information of the header of the first packet split in the previous step, compression information and IP-PLP mapping information for linking the IP stream and the data PLP; generating a signal frame on the basis of the data from the data PLP and the data of the common PLP; and transmitting a broadcast signal which includes the signal frame.

公开(公告)号：US10779053B2

公开(公告)日：2020-09-15

申请号：US15973764

申请日：2018-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Minsung Kwak ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/643 ,  H04N21/2381

Abstract: A method and device for processing a broadcast signal are discussed. The method includes encoding service data for a service, block interleaving the encoded service data, modulating the block interleaved service data, and transmitting the broadcast signal including the modulated service data, wherein the broadcast signal further includes first signaling information and second signaling information, wherein the first signaling information includes protocol information to identify whether a ROUTE (Real-Time Object Delivery over Unidirectional Transport) protocol or a MMT (MPEG Media Transport) protocol is used to deliver the second signaling information for the service, address information of packets delivering the second signaling information for the service, and service guide bootstrapping information for access of service guide data, and wherein, when the service guide data are delivered via a broadband network, the service guide bootstrapping information includes uniform resource location information of the service guide data.

公开(公告)号：US10778580B2

公开(公告)日：2020-09-15

申请号：US16185704

申请日：2018-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L12/741 ,  H04N7/08 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/647 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854 ,  H04N21/2362 ,  H04N21/254 ,  H04N21/8352 ,  H04N21/443 ,  H04N21/858 ,  H04L12/24 ,  H04L29/12 ,  H04L29/06 ,  H04L29/08

Abstract: A method for transmitting a broadcast signal, includes generating, by a processor, service data of a broadcast service and service signaling information for signaling the service data, the service data including first service components delivered on a Movie Picture Experts Group (MPEG) Media Transport Protocol (MMTP) session or second service components delivered on a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session, generating, by the processor, a service list table including bootstrap information and protocol information for a type of delivery protocol of the service signaling information, wherein the bootstrap information changes based on the protocol information, generating, by the processor, a broadcast signal including the service signaling information, the service list table, the first or second service component, and transmitting, by a broadcasting antenna, the generated broadcast signal.

公开(公告)号：US10778494B2

公开(公告)日：2020-09-15

申请号：US16195096

申请日：2018-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04K1/10 ,  H04L27/28 ,  H04L27/26 ,  H04L1/00 ,  H04H20/72 ,  H04H60/07 ,  H04H60/91 ,  H04N21/61 ,  H04N21/2383 ,  H04B7/0413 ,  H04H20/57 ,  H04B7/06 ,  H04L5/00

Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.

公开(公告)号：US10749917B2

公开(公告)日：2020-08-18

申请号：US15554932

申请日：2016-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Minsung Kwak ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L29/06 ,  H04L29/08 ,  H04H20/42 ,  H04H60/73 ,  H04H20/22 ,  H04H60/07

Abstract: A method for transmitting a broadcast signal, according to one embodiment of the present invention, may comprise the steps of: generating broadcast data for at least one broadcast service; generating first level signaling information including information describing attributes for the at least one broadcast service; generating second level signaling information including information for listing the at least one broadcast service; generating link layer packets including encoded broadcast data, the first level signaling information and the second level signaling information; and generating broadcast signals including the generated link layer packets.

公开(公告)号：US20200259606A1

公开(公告)日：2020-08-13

申请号：US16859560

申请日：2020-04-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L5/00 ,  H04W4/06 ,  H04L27/26 ,  H04L1/00 ,  H04B7/0413

Abstract: A method and an apparatus for transmitting 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 at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US20200259591A1

公开(公告)日：2020-08-13

申请号：US16860897

申请日：2020-04-28

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Seoyoung Back ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/26 ,  H03M13/00 ,  H03M13/27 ,  H04L12/18 ,  H04L5/00 ,  H04B7/0413 ,  H04B1/04 ,  H03M13/25

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to a number of physical paths, a time interleaver to time interleave the encoded service data in each physical path, a frame builder to build at least one signal frame including the time interleaved service data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmitting the broadcast signals having the modulated data.

公开(公告)号：US10728306B2

公开(公告)日：2020-07-28

申请号：US16117874

申请日：2018-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Minsung Kwak ,  Woosuk Ko ,  Kyoungsoo Moon ,  Sungryong Hong

IPC: H04L29/06

Abstract: A method for processing a broadcast signal according to an embodiment of the present invention includes encoding data in one or more packets of a first protocol and data in one or more packets of a second protocol, wherein the one or more packets of a first protocol carry one or more service components of a first broadcast service, and a first service layer signaling information describing the first broadcast service of the one or more service components, and wherein one or more packets of a second protocol carry one or more service components of a second broadcast service, and a second service layer signaling information describing the second broadcast service of the one or more service components, the first protocol being distinct from the second protocol; processing the encoded data; and transmitting the broadcast signals carrying the processed data.

公开(公告)号：US10715966B2

公开(公告)日：2020-07-14

申请号：US16362053

申请日：2019-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Woosuk Ko ,  Chulkyu Mun ,  Sungryong Hong

IPC: H04L5/00 ,  H04L27/26 ,  H04W4/06 ,  H04W52/32 ,  H04W52/54

Abstract: A method for processing a broadcast signal, includes encoding Physical Layer Pipe (PLP) data; generating a signal frame by mapping the encoded PLP data onto data symbols in at least one subframe of the signal frame and mapping signaling data onto preamble symbols of a preamble of the signal frame; inserting first pilots into the data symbols of the signal frame and inserting second pilots into the preamble symbols of the signal frame, wherein the first pilots are different from the second pilots, each data symbol has a pilot density according to a first pilot pattern and each preamble symbol has a pilot density according to a second pilot pattern; and modulating data in the signal frame, the signaling information including a boosting parameter of which value has a range defined from 0 to 4 for a subframe.