公开(公告)号：US20220103274A1

公开(公告)日：2022-03-31

申请号：US17545751

申请日：2021-12-08

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul YANG ,  Minsung KWAK ,  Woosuk KO ,  Sungryong HONG ,  Kyoungsoo MOON

IPC: H04H60/76 ,  H04L29/06 ,  H04H60/09 ,  H04H60/35 ,  H04H60/72 ,  H04L29/08

Abstract: A method for processing a broadcast service at a Primary Device (PD), the method including performing, by a companion manager of the PD, a discovery process with a Companion Device (CD) application in a CD by receiving a discovery request from the CD and providing an endpoint for a WebSocket server of the PD; handling, by the WebSocket server, a connection established by the CD application based on the endpoint; in response to receiving a query for a current service from the CD, transmitting, by the WebSocket server, a response including information representing the current service to the CD application based on the connection; receiving, by a tuner, a broadcast signal having signaling information including flag information to obtain emergency data in the broadcast signal; time de-interleaving, by a time de-interleaver, Forward Error Correction (FEC) blocks including the emergency data based on a Time Interleaving (TI) block, wherein the FEC blocks are de-interleaved based on positions for the FEC blocks and one or more virtual FEC blocks; and transmitting, by the Websocket server, a notification message including the emergency data to the CD, in which the notification message includes a category for the emergency data.

公开(公告)号：US20220086836A1

公开(公告)日：2022-03-17

申请号：US17538382

申请日：2021-11-30

Applicant: LG Electronics Inc.

Inventor： Woosuk KO ,  Daesung HWANG ,  Seungmin LEE

IPC: H04W72/04 ,  H04L5/14

Abstract: Proposed is an operation method of a first device in a wireless communication system. The method may comprise the steps of: receiving, from a base station, TDD-UL-DL configuration information including information related to a first slot pattern and information related to a second slot pattern; acquiring the number of first SL slots related to the first slot pattern and the number of second SL slots related to the second slot pattern on the basis of first SCS related to SL communication and the TDD-UL-DL configuration information; and transmitting, to a second device, a PSBCH including information related to the number of the first SL slots and information related to the number of the second SL slots.

公开(公告)号：US20220006885A1

公开(公告)日：2022-01-06

申请号：US17480708

申请日：2021-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Woosuk KO ,  Sungryong HONG ,  Kyoungsoo MOON

IPC: H04L29/08 ,  H04H60/73 ,  H04L29/06

Abstract: A method for transmitting a broadcast signal in a digital broadcast transmitter includes generating at least one link layer packet including a header and a payload; and transmitting the broadcast signal carrying the link layer packet. Further, the header includes a fixed header having a fixed length and the fixed header includes packet type information of input data before encapsulation into the layer packet, further the input data relates to an IP packet or a signaling packet.

公开(公告)号：US20210314076A1

公开(公告)日：2021-10-07

申请号：US17345873

申请日：2021-06-11

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Kyoungsoo MOON ,  Woosuk KWON ,  Woosuk KO ,  Sungryong HONG

IPC: H04H20/59 ,  H04N21/478 ,  H04N7/08 ,  H04N21/81 ,  H04N21/61 ,  H04W4/90 ,  H04W4/06

Abstract: A method of processing a broadcast signal includes physical layer processing a plurality of packets into a plurality of data pipes to form a signal frame of the broadcast signal. Further, a packet includes an emergency alert message for an emergency alert service so that a data pipe carries the emergency alert massage, the emergency alert message including a message identifier (ID) for identifying the emergency alert message and a service ID identifying a service related to the emergency alert message. The physical layer processing further includes encoding data in each data pipe; bit interleaving the encoded data in each data pipe; and time interleaving the bit interleaved data in each data pipe according to a first mode or a second mode, the first mode represents that the time interleaving is performed based on convolutional interleaving operation, the second mode represents that the time interleaving is performed based on a combination of block interleaving operation and convolutional interleaving operation; and transmitting the broadcast signal. In addition, the broadcast signal further includes physical layer signaling information, the physical layer signaling information including a signaling information representing that the data pipe carries the emergency alert message and time interleaving signaling information related to the first mode and the second mode.

公开(公告)号：US20210204005A1

公开(公告)日：2021-07-01

申请号：US17202938

申请日：2021-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Seungryul YANG ,  Minsung KWAK ,  Woosuk KO

IPC: H04N21/2389 ,  H04N21/236 ,  H04N21/61

Abstract: A broadcast signal transmitting method is disclosed. The broadcast signal transmitting method comprises the steps of: processing at least one component of a broadcast service on the basis of a delivery protocol; generating service layer signaling (SLS) information including information on the component; generating service list table (SLT) information including bootstrap information for acquiring the SLS information; and generating a signal frame including a physical layer pipe (PLP) by performing a physical layer processing on the at least one component, the SLS information and the SLT information.

公开(公告)号：US20210185486A1

公开(公告)日：2021-06-17

申请号：US17188398

申请日：2021-03-01

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Woosuk KO ,  Sungryong HONG ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04W4/06 ,  H04L1/00 ,  H04H20/00 ,  H04L29/06

Abstract: A method of transmitting broadcast signals, includes link layer processing input packets to generate link layer packets, wherein a link layer packet of the link layer packets includes a header and a payload, wherein the payload of the link layer packet includes a segment of an input packet or concatenated input packets, wherein the header of the link layer packet includes a first field for identifying whether the payload includes the segment or the concatenated input packets, wherein the header further includes a second field for identifying a number of the concatenated input packets and third fields that are included in the header in the same order as the concatenated input packets present in the payload in response to the first field representing that the payload includes the concatenated input packets, and wherein the third fields represent a length of each of the concatenated input packets.

公开(公告)号：US20210135996A1

公开(公告)日：2021-05-06

申请号：US16471546

申请日：2016-12-19

Applicant: LG ELECTRONICS INC.

Inventor： Seoyoung BACK ,  Woosuk KO

IPC: H04L12/851 ,  H04L12/823 ,  H04L12/863 ,  H04L12/865

Abstract: A method for selecting a transmission of a network device is disclosed. In particular, a method for selecting a transmission of a network device comprising a plurality of queues for storing data frames is disclosed. Here, each of the plurality of queues corresponds to a different traffic class, the method comprising: a step of obtaining information about a transmission selection algorithm for the plurality of queues; and a step of selecting data frames for transmission from a corresponding queue on the basis of transmission selection algorithm information. Here, the transmission selection algorithm may correspond to a strict priority algorithm, a credit-based shaper algorithm, or a burst transmission algorithm.

公开(公告)号：US20210135914A1

公开(公告)日：2021-05-06

申请号：US17148373

申请日：2021-01-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04L25/02

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：US20210112384A1

公开(公告)日：2021-04-15

申请号：US16464543

申请日：2016-11-28

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Woosuk KO

IPC: H04W4/23 ,  H04W4/40 ,  H04W72/04

Abstract: Disclosed is a method of operating multi-channels of a V2X communication device. The method of operating multi-channels includes accessing a control channel (CCH) for system management information or service advertisement information exchange; receiving the service advertisement information via the accessed CCH; accessing to a service channel (SCH) for transmission or reception of application data for providing the service based on the service advertisement information; and receiving the service data via the SCH.

公开(公告)号：US20210112290A1

公开(公告)日：2021-04-15

申请号：US17102248

申请日：2020-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Seungryul YANG ,  Woosuk KO

IPC: H04N21/2362 ,  H04N21/2381 ,  H04N21/262 ,  H04N21/431 ,  H04N21/438 ,  H04N21/858 ,  H04N21/472 ,  H04N21/4725

Abstract: Disclosed is a broadcast signal transmitting method. A broadcast signal transmitting method according to an embodiment of the present invention may comprise: generating low level signaling (LLS) information; processing the LLS information into IP packets; generating link layer packets by link layer processing the IP packets; and generating a broadcast signal by physical layer processing the link layer packets.