Lg Electronics Inc.

Hotaek Hong

Sangchul Moon

Joonhui Lee

Woosuk Ko

Jinpil Kim

Hyeonjae Lee

Jongyeul Suh

Kyungho Kim

Kangsuk Huh

Jeehyun Choe

Kyoungsoo Moon

Aettie Ji

Kookyeon Kwak

JaeHyung Song

Jeonghwan Park

Jae-Hyung Song

Seokjoo Lee

Jong Yeul Suh

Gomer Thomas

Soojin Hwang

Sanghyun Kim

Jeonghyu Yang

Waqar Zia

Jong-Yeul Suh

Youngin Kim

Chuhyun Seo

Kyutae Ahn

Wooksuk Ko

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.

Broadcast signal transmitting apparatus, broadcasting data using FEC and methods thereof

Disclosed is a broadcasting signal transmission device, a broadcasting signal reception device, and a method for transmitting/receiving a broadcasting signal using same. The method for receiving the broadcasting signal comprises the following steps: receiving the broadcasting signal, which includes a transmission frame, wherein the transmission frame includes a plurality of PLPs, which transmit components that constitute a broadcasting service, first signaling information and second signaling information, which include the signaling information of the plurality of PLPs, a first preamble signal, which has been signaled with a preamble format, and a second preamble signal, which has been signaled with pilot pattern information, wherein one of the plurality of PLPs is a base PLP, which includes a program number that corresponds to the broadcasting service and program map table information, which has been signaled with identifying information for each of the PLPs; demodulating the broadcasting signal based on the first and the second preamble signals; FEC decoding the demodulated broadcasting signal; and identifying a PLP group that includes the plurality of PLP from the FEC decoded broadcasting signal based on the first and the second signaling information, decoding at least one PLP of the identified PLP group, and providing the broadcasting service.

Broadcasting signal transmission device, broadcasting signal reception device, and method for transmitting/receiving broadcasting signal using same

Disclosed is a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in a broadcast signal transceiving apparatus. The broadcast signal transmitting method comprises the following steps: compressing the headers of data packets of an IP stream identified by IP address information, wherein the compressed data packets include a first packet, the header of which contains static field information, a second packet, the header of which contains dynamic field information, and a third packet, the header of which contains the compressed static field information and/or the compressed dynamic field information; signaling IP-PLP mapping information for mapping the IP stream and a component PLP for transmitting the IP stream, the IP stream compression information, and the header information of the first packet to L2 signaling information; and transmitting the header information of the second and third packets via the component PLP, and transmitting the L2 signaling information via a common PLP.

Broadcast signal transmitting apparatus, broadcast signal receiving apparatus, and broadcast signal transceiving method in a broadcast signal transceiving apparatus

Disclosed is a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in a broadcast signal transceiving apparatus. The broadcast signal transmitting method comprises the following steps: compressing the headers of data packets of an IP stream identified by IP address information, wherein the compressed data packets include a first packet, the header of which contains static field information, a second packet, the header of which contains dynamic field information, and a third packet, the header of which contains the compressed static field information and/or the compressed dynamic field information; signaling IP-PLP mapping information for mapping the IP stream and a component PLP for transmitting the IP stream, the IP stream compression information, and the header information of the first packet to Lsignaling information; and transmitting the header information of the second and third packets via the component PLP, and transmitting the Lsignaling information via a common PLP.

Broadcasting signal transmitting apparatus, broadcast signal receiving apparatus, and broadcast signal transceiving method in a broadcast signal transceiving apparatus

A transmitter and method of processing broadcast data are discussed. In one embodiment, the method includes Forward Error Correction (FEC) encoding Physical Layer Pipe (PLP) data at a first code rate; FEC encoding first signaling data at a second code rate; FEC encoding second signaling data at a third code rate; time interleaving the FEC-encoded PLP data; frequency interleaving the time-interleaved PLP data by a pair of consecutive cells; and modulating the frequency-interleaved PLP data, the FEC-encoded first signaling data, and the FEC-encoded second signaling data by an Orthogonal Frequency Division Multiplexing (OFDM) method, wherein the first signaling data include FEC type information of the second signaling data and wherein the second signaling data include FEC type information and the first code rate used by the PLP data.

Apparatus for transmitting broadcasting signal, apparatus for receiving broadcasting signal, and method for transmitting/receiving broadcasting signal through apparatus for transmitting/receiving broadcasting signal

Disclosed is an apparatus for transmitting a broadcast signal, an apparatus for receiving a broadcast signal, and a method for transmitting/receiving a broadcast signal using an apparatus for transmitting/receiving broadcast signal. A method for transmitting a broadcast signal according to the present invention comprises the steps of: generating a first PLP which includes an IP stream having at least one service component; signaling IP-PLP mapping information for linking the IP stream and the PLP in binary form and generating a second PLP which includes the signaled binary information; performing FEC-encoding and bit-interleaving on the first and second PLPs; generating a transmission frame including the first and second bit-interleaved PLPs; and modulating the transmission frame and transmitting a broadcast signal including the modulated transmission frame, wherein the IP-PLP mapping information includes IP information for identifying the IP stream and PLP information for identifying the PLP.

Apparatus for transmitting a broadcast signal, apparatus for receiving a broadcast signal, and method for transmitting/receiving a broadcast signal using an apparatus for transmitting/receiving a broadcast signal

According to an aspect of the present invention, a method of transmitting service data may include encoding service data, mapping the encoded service data, MIMO encoding the mapped data using a MIMO matrix, time-interleaving the MIMO encoded data, building a signal frame including and signaling data and the time-interleaved data, frequency interleaving the time-interleaved data in frequency domain, modulating the signal frame including the frequency-interleaved data by OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the modulated signal frame.

Broadcasting signal transmitter/receiver and broadcasting signal transmission/reception method

The present invention provides a digital broadcasting reception method, including the steps of: receiving and demultiplexing digital broadcasting signals including reference period and extension period video streams; determining the right/left information of the reference period and extension period video streams by using a descriptor included in at least one of a Program Map Table (PMT), a Terrestrial Virtual Channel Table (TVCT), a Service Description Table (SDT), and an Event Information Table (EIT); decoding the reference period and extension period video streams; and controlling the decoded reference period and extension period video streams by using the right/left information.

Digital broadcasting reception method and apparatus capable of displaying stereoscopic images

Provided is a media content receiving method of a media content receiving device. The method includes: receiving information on a content location information file; receiving the content location information file by using the information on the content location information file; measuring a current bandwidth; requesting a first media content through a first network on the basis of the current bandwidth and the content location information file; receiving the first media content through the first network; and consuming the first media content.

Device and method for receiving media content

Provided is a method of operating a network TV. The method includes: displaying a TV-only page of an application selected by a user input; transmitting to a mobile terminal a mobile-only page mutually linked with the TV-only page; and controlling an operation of the application according to a user input transmitted from the mobile terminal.

Network TV and method for operating network TV

A broadcasting signal reception method according to the present invention comprises the following steps: OFDM-demodulating by receiving a plurality of broadcasting signals, which contain a transmission frame for transmitting a broadcasting service; outputting the transmission frame by decoding a plurality of OFDM-demodulated broadcasting signals with at least one method among MIMO, MISO, and SISO; and selectively decoding a plurality of PLP's, which are included in the transmission frame, using signaling information included in the transmission frame. In particular, PSI/SI such as PAT/PMT can be transmitted through an arbitrary PLP among the plurality of PLP's; and in the transmitter, an arbitrary PLP, which transmits the PAT/PMP, can be decoded first to enable a search of all PLP's that transmit components included in a single broadcasting service, and a plurality of PLP's can be decoded selectively.

The present invention relates to a method for transmitting/receiving contents through a network such as the Internet, and to a transmitter/receiver using same, the transmission method comprising: converting content stored in a file format into a delivery format; and transmitting the content converted into the delivery format using an IP packet, wherein the delivery format includes indicator information for expressing whether a program clock reference (PCR) has been transmitted to the IP packet.

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Seoul, South Korea

Hotaek Hong