公开(公告)号：US20220159107A1

公开(公告)日：2022-05-19

申请号：US17590632

申请日：2022-02-01

申请人： LG ELECTRONICS INC.

发明人： Woosuk KWON ,  Joonhee YOON

IPC分类号： H04L69/22 ,  H04L12/66 ,  H04L47/36 ,  H04N21/2381 ,  H04N21/643

摘要： A broadcast signal transmission method according to one embodiment of the present disclosure comprises an IP layer processing step of generating Internet protocol (IP) packets including broadcast data and generating fragmented IP packets by fragmenting at least one IP packet of the IP packets in order to transmit to a link layer, a first link layer processing step of restoring the at least one IP packet by combining the fragmented IP packets of the IP packets output at the IP layer processing step, a second link layer processing step of performing header compression of IP packet including the restored at least one IP packet, and a third link layer processing step of encapsulating the header compressed IP packets into at least one link layer packet and transmitting the at least one link layer packet to a physical layer.

公开(公告)号：US20210344977A1

公开(公告)日：2021-11-04

申请号：US17374639

申请日：2021-07-13

申请人： LG ELECTRONICS INC.

发明人： Sejin OH ,  Minsung KWAK ,  Woosuk KWON ,  Kyoungsoo MOON ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG

IPC分类号： H04N21/2362 ,  H04N21/2343 ,  H04H60/07 ,  H04H60/73 ,  H04N21/234 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/6332 ,  H04L29/12 ,  H04L29/06 ,  H04N21/643 ,  H04N21/858

摘要： A method of processing data in a digital receiving apparatus, the method including receiving a broadcast signal including low level signaling data, wherein the low level signaling data is carried via a specific data pipe (DP), wherein the low level signaling data includes service category information, the service category information is used to identify an AV service, an audio only service or an TSG (electronic service guide) service, wherein the low level signaling data is used to provide bootstrap information that allows the receiving apparatus to discover at least one service layer signaling information, wherein the bootstrap information includes URL data for a first service layer signaling information when the first service layer signaling information is transmitted via a broadband network, and wherein the bootstrap information includes a destination user datagram protocol (UDP) port number and a destination internet protocol (IP) address for a second service layer signaling information when the second service layer signaling information is transmitted via a broadcast network; and parsing the low level signaling data included in the broadcast signal, wherein the low level signaling data is parsed, and then the first service layer signaling information or the second service layer signaling information is processed.

公开(公告)号：US20200336771A1

公开(公告)日：2020-10-22

申请号：US16922652

申请日：2020-07-07

申请人： LG ELECTRONICS INC.

发明人： Woosuk KWON ,  Minsung KWAK ,  Kyoungsoo MOON

IPC分类号： H04N21/235 ,  H04N21/236 ,  H04N21/2381 ,  H04L29/06 ,  H04N21/61 ,  H04L12/18 ,  H04L29/08 ,  H04N21/643

摘要： Disclosed is a method of transmitting a broadcast signal. The method includes encoding broadcast data based on a delivery protocol, line-layer processing the broadcast data, and physical-layer processing the broadcast data. Line-layer processing the broadcast data may include compressing the header of at least one IP packet when the broadcast data comprises the IP packet and encapsulating the IP packet into link layer packets.

公开(公告)号：US20200336572A1

公开(公告)日：2020-10-22

申请号：US16757665

申请日：2018-11-09

申请人： LG ELECTRONICS INC.

发明人： Woosuk KWON ,  Joonhee YOON

IPC分类号： H04L29/06 ,  H04L12/66 ,  H04L12/805 ,  H04N21/2381 ,  H04N21/643

摘要： A broadcast signal transmission method according to one embodiment of the present disclosure comprises an IP layer processing step of generating Internet protocol (IP) packets including broadcast data and generating fragmented IP packets by fragmenting at least one IP packet of the IP packets in order to transmit to a link layer, a first link layer processing step of restoring the at least one IP packet by combining the fragmented IP packets of the IP packets output at the IP layer processing step, a second link layer processing step of performing header compression of IP packet including the restored at least one IP packet, and a third link layer processing step of encapsulating the header compressed IP packets into at least one link layer packet and transmitting the at least one link layer packet to a physical layer.

公开(公告)号：US20200037393A1

公开(公告)日：2020-01-30

申请号：US16593368

申请日：2019-10-04

申请人： LG ELECTRONICS INC.

发明人： Minsung KWAK ,  Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC分类号： H04W76/40 ,  H04H20/26 ,  H04H60/73 ,  H04W48/12 ,  H04L1/00 ,  H04H60/48 ,  H04W4/06 ,  H04W48/10 ,  H04W76/11

摘要： A method of transmitting a broadcast signal includes generating, by a broadcast transmitter, a service and service signaling information for acquiring the service and components of the service; generating, by the broadcast transmitter, signaling data for rapid service scan, the signaling data including protection information for indicating whether a component of the service is protected and information for identifying where the service signaling information is transmitted and hidden information for indicating whether the service is intended for testing or proprietary use; generating, by the broadcast transmitter, physical layer pipes (PLPs) including the service, the service signaling information and the signaling data; and transmitting, by the broadcast transmitter, a broadcast signal carrying a signal frame including the PLPs, wherein the service signaling information includes a service identifier for referencing a service related to the signaling data.

公开(公告)号：US20200021895A1

公开(公告)日：2020-01-16

申请号：US16585091

申请日：2019-09-27

申请人： LG ELECTRONICS INC.

发明人： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC分类号： H04N21/854 ,  H04N21/63 ,  H04N21/643 ,  H04N21/2362

摘要： A broadcast signal transmission processing apparatus, includes a header compression processor that generates a first packet including first header information in a uncompressed form and second packets including second header information in a compressed form by performing header compression on Internet protocol (IP) packets containing broadcast data, a header information extracting processor that extracts the first header information from the first packet and converts the first packet from which the first header information is extracted to a third packet including third header information in a compressed form, a signaling data generating processor that generates signaling packets containing information related to the header compression and mapping information between the IP packets and at least one data pipe for the IP packets, and a broadcast signal transmitting processor that transmits a broadcast signal including multiple data pipes that include at least one data pipe.

公开(公告)号：US20200021867A1

公开(公告)日：2020-01-16

申请号：US16495365

申请日：2017-11-17

申请人： LG ELECTRONICS INC.

发明人： Jonghwan PARK ,  Woosuk KWON ,  Joonhee YOON

IPC分类号： H04N21/2343 ,  H04N21/236 ,  H04N21/2362

摘要： The present invention relates to a device and a method for transmitting and receiving a multicast. The multicast transmitting device, according to one embodiment of the present invention, comprises: a receiving unit for receiving media data; a packetizing unit for packetizing the received media data into media data packets by using a transmission protocol; and a transmitting unit for multicasting the media data packets, wherein the media data packets generated by the transmission protocol respectively include a packet header and a payload, and the packet header can include information on a fast startup.

公开(公告)号：US20180279015A1

公开(公告)日：2018-09-27

申请号：US15991793

申请日：2018-05-29

申请人： LG ELECTRONICS INC.

发明人： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC分类号： H04N21/854 ,  H04N21/2362 ,  H04N21/63 ,  H04N21/643

CPC分类号： H04N21/854 ,  H04N21/2362 ,  H04N21/631 ,  H04N21/64322

摘要： A broadcast signal transmission processing device according to one embodiment of the present invention, comprises a header compression processor that generates first packets including first header information in a uncompressed form and second packets including second header information in a compressed form by performing header compression on Internet protocol (IP) packets containing broadcast data; a header information extracting processor that extracts the header information from the first packets and converts the first packets from which the first header information is extracted to third packets including third header information in a compressed form; a signaling data generating processor that generates signaling packets containing information related to the header compression and mapping information between the IP packets and multiple data pipes; and a broadcast signal transmitting processor that transmits a broadcast signal including the multiple data pipes.

公开(公告)号：US20180115796A1

公开(公告)日：2018-04-26

申请号：US15557404

申请日：2016-03-28

申请人： LG Electronics Inc.

发明人： Seungryul YANG ,  Minsung KWAK ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG ,  Woosuk KWON ,  Jangwon LEE

IPC分类号： H04N21/2665 ,  H04N21/462 ,  H04N21/61 ,  H04N21/239 ,  H04N21/643 ,  H04N21/2387 ,  H04N21/262

摘要： The present invention discloses a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention discloses a system capable of supporting a next-generation broadcast service in an environment supporting next-generation hybrid broadcasting using a terrestrial broadcast network and an internet network. Also disclosed is an efficient signaling scheme capable of encompassing both a terrestrial broadcast network and an internet network, in an environment supporting next-generation hybrid broadcasting.

公开(公告)号：US20180070111A1

公开(公告)日：2018-03-08

申请号：US15557461

申请日：2016-03-10

申请人： LG ELECTRONICS INC.

发明人： Woosuk KWON ,  Minsung KWAK ,  Kyoungsoo MOON

IPC分类号： H04N21/235 ,  H04N21/236 ,  H04N21/2381

CPC分类号： H04N21/235 ,  H04L12/18 ,  H04L12/184 ,  H04L45/74 ,  H04L69/04 ,  H04L69/22 ,  H04L69/324 ,  H04N21/2353 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/6112 ,  H04N21/64322

摘要： Disclosed is a method of transmitting a broadcast signal. The method includes encoding broadcast data based on a delivery protocol, line-layer processing the broadcast data, and physical-layer processing the broadcast data. Line-layer processing the broadcast data may include compressing the header of at least one IP packet when the broadcast data comprises the IP packet and encapsulating the IP packet into link layer packets.