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 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:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, an encoder for encoding signaling data, a frame builder for building at least one signal frame including the encoded service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.
Abstract:
Disclosed is a method for transmitting broadcast signals, including: formatting input streams to a plurality of data pipes (DPs), wherein the formatting comprises allocating data packets to a payload of a baseband frame (BBF), and adding a header indicating a format of the payload of the baseband frame, and the header comprises at least one of first control information and second control information.
Abstract:
The present invention provides a method of transmitting broadcast signals. The method includes, demultiplexing input streams into plural PLPs (Physical Layer Pipes); encoding data of the each PLPs according to each physical layer profiles, wherein the physical layer profiles are configurations based on reception condition, wherein the each physical layer profiles include: LDPC (Low Density Parity Check) encoding the data of the PLP, bit interleaving the LDPC encoded data of the PLP; building plural signal frames by mapping the encoded data of the each PLPs, wherein each signal frame belongs to one of the physical layer profiles, wherein a super frame includes at least two built signal frames; and modulating data in the built plural signal frames by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data,
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:
According to various embodiments, disclosed are a method for controlling vehicle driving at a particular interval by a first device in a wireless communication system supporting a sidelink, and a device therefor. Disclosed are the method and the device for the method, the method comprising the steps of: transmitting a first signal requesting standby for entrance to the particular interval; receiving a second signal in response to the first signal from each of multiple vehicles; and transmitting, on the basis of the second signal, a third signal for instructing entrance to the particular interval, wherein the first device groups vehicles, which have been on standby for entrance for a first threshold time or more, among the multiple vehicles, into a first group, on the basis of information on an entrance standby time point according to the first signal included in the second signal, and the third signal is transmitted to the first group on the basis of whether a group size of the first group is equal to or larger than a first threshold size and whether group information is received from a second device.
Abstract:
Disclosed are a method for transmitting a message by a first vehicle-to-everything user equipment (V2X UE) in a wireless communication system according to various embodiments, and a device therefor. Disclosed are a method and a device therefor, the method comprising the steps of: obtaining status information related to the first V2X UE; and transmitting the message on the basis of the status information, wherein the status information includes mobility information of the first V2X UE, variation information, internal status information of the first V2X, and station type information, and the first V2X UE quantifies the mobility information as a first risk level, the variation information as a second risk level, and the internal status information as a third risk level, wherein each of the first severity level, second severity level, and third severity level is applied with a weight determined based on the station type information.
Abstract:
Disclosed herein is a method of receiving, by a terminal of a vulnerable road user (VRU), a signal in a wireless communication system. The method include receiving a message related to a safety service of the VRU from a network, and outputting a warning message based on comparing a field defining a geographic area, in which the safety service is provided, in the message and a position of the terminal, wherein the warning message is output based on determining that the terminal exists within the geographic area.
Abstract:
According to various embodiments, disclosed are a method for providing a V2X-related service by a device comprising a plurality of distributed antennas in a wireless communication system supporting a sidelink, and a device therefor. Disclosed are a method for providing a V2X-related service by a device comprising a plurality of distributed antennas and a device therefor, the method comprising the steps of: receiving a first signal by each of the plurality of distributed antennas; and determining whether to transmit a second signal for providing the V2X-related service, wherein transmission of the second signal is determined on the basis of a reception time at which the first signal is received between the plurality of distributed antennas and a threshold time.