Abstract:
A method for transmitting a V2X message by means of a V2X communication device is disclosed. A V2X communication method can comprise the steps of: receiving a platooning information message from an external V2X communication device; determining, on the basis of information comprised in the platooning information message, whether or not the concatenation with a platooning group is to be formed; if it is determined that the concatenation is to be formed, transmitting a concatenation request message for requesting the concatenation to the external V2X device; receiving from the external V2X device a concatenation response message which is a response message to the concatenation request message; and forming the concatenation with the platooning group. The platooning information message can comprise information relating to a platooning group to which a vehicle having an external V2X communication device belongs.
Abstract:
Disclosed is a method of receiving a V2X message from a first V2X communication device by a second V2X communication device associated with a vehicle. The method of receiving a V2X message includes receiving a V2X message for providing information related to air pollution, determining whether the V2X message includes vehicle control information including information associated with at least one type of vehicle control, wherein the vehicle control information includes control mode information indicating a mode of the vehicle control, and controlling the vehicle on the basis of the control mode information if the V2X message includes the vehicle control information.
Abstract:
Disclosed is a V2I message transmission method for a V2X communication device. The V2I message transmission method according to an embodiment of the present invention may comprise the steps of: generating a V2I message for providing V2I services, i.e., services between vehicles and infrastructure, wherein the V2I message includes a first container, which includes information commonly used for the V2I services, and a second container, which includes information used for a particular V2I service; subjecting the V2I message to network/transport layer processing; and generating a V2I message frame by subjecting the V2I message packet to physical layer processing. Herein, the first container may include message ID information indicating the identifier of the V2I message, event ID information indicating the identifier of an event, and reference position information indicating a first reference position related to the event.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter to format at least one input stream to output DP (Data Pipe) data corresponding to each of a plurality of DPs, wherein the each of a plurality of DPs carries at least one service or at least one service component, an encoder to encode the DP data, a mapper to map the encoded DP data onto constellations, a time interleaver to time interleave the mapped DP data, a frame builder to build at least one signal frame including the time interleaved DP 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 transmit the broadcast signals having the modulated data.
Abstract:
The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; building at least one signal frame by mapping the MIMO encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.
Abstract:
The present invention provides a method for transmitting a broadcasting signal. The method for transmitting the broadcasting signal according to the present invention may comprise: an input formatting step of processing one or more input streams and outputting the processed input streams to one or more data pipes; a step of encoding service data of the data pipes; a step of encoding signaling data, the signaling data including information for signaling one or more pieces of service data transmitted through the data pipes; a step of mapping the encoded service data and the encoded signaling data to generate one or more signal frames; a step of modulating the one or more generated signal frames through an orthogonal frequency division multiplexing (OFDM) scheme; and transmitting a broadcasting signal including the one or more modulated signal frames.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an input formatter for input formatting each data stream divided into a plurality of data transmission path, a generator for generating each of first signaling data and second signaling data, wherein the first signaling data and the second signaling data are processed respectively, wherein the first signaling data includes first information for the second signaling data and the second signaling data includes second information for at least one the data transmission path, wherein the second signaling data includes a static data and a dynamic data, an encoder for encoding, wherein the encoder processing: first encoding service data corresponding to each of the plurality of data transmission path, wherein each of the data transmission path carries at least one service component, second encoding the first signaling data and third encoding the second signaling data, a frame builder for building signal frames, wherein each of signal frames includes the encoded service data and the encoded first signaling data and the encoded second signaling data, a modulator for modulating the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the modulated signal frames.
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 corresponding to each of a plurality of data transmission units, an encoder for encoding physical signaling data by a shortening scheme and a puncturing scheme, a mapper for mapping the encoded service data onto constellations, a frame builder for building at least one signal frame including preamble data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.
Abstract:
An apparatus for transmitting a broadcast signal according to one embodiment of the present invention comprises: an encoder for encoding data pipe (DP) data corresponding to a DP which transmits at least one broadcast service or broadcast service component; a mapper for mapping the encoded DP data on a constellation; a time interleaver for time-interleaving the mapped DP data; a frame builder for generating at least one signal frame builder for generating at least one signal frame including the time-interleaved DP data; a pilot inserting unit for inserting signal frame, according to at least one pilot pattern; an OFDM modulator for OFDM-modulating the at least one generated signal frame using OFDM parameters; and a transmitter for transmitting at least one broadcast signal including the at least one modulated signal frame.