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, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding data of PLPs (Physical Layer Pips); building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame 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 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 for transmitting a broadcast signal. The method for transmitting the broadcast signal according to the present invention may comprise the steps of: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs according to a code rate for each DP; generating at least one signal frame by mapping the encoded data of the multiple DPs; and modulating data of the generated signal frame in an orthogonal frequency division multiplexing (OFDM) scheme, and transmitting the broadcast signal including data of the modulated signal frame.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.
Abstract:
Provided is a method for transmitting a broadcast signal, including: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs for each DP; generating at least one signal frames by mapping the encoded data; and modulating data of the generated signal frame using an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal comprising the modulated data of the signal frame, wherein the signal frame includes a preamble, a PLS (Physical Layer Signaling) and EAC (Emergency Alert Channel), the preamble and the PLS include EAC flag information indicating whether there exists EAC in the signal frame, and when the EAC flag information indicates that there exists EAC in the current frame, the PLS further comprises EAC length information, and when the EAC flag information indicates that there doesn't exist EAC in the current frame, the PLS further comprises control information related to EAC transmission.
Abstract:
Provided is a method performed by a user equipment (UE) in a wireless communication system. The method includes performing communication with a base station based on a full-duplex mode, transmitting, to the base station, a first message for requesting a duration for calibration of a circuit for analog self-interference cancellation (SIC), receiving, from the base station, a second message for allocating the duration, and performing the calibration of the circuit during the duration. Herein, during the duration, the UE is controlled to operate based on a half-duplex mode.
Abstract:
A method of transmitting and receiving a signal by a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving downlink control information (DCI) including frequency allocation information from a base station (BS), identifying frequency bands allocated as an uplink (UL) band and a downlink (DL) band based on the frequency allocation information, and transmitting a UL signal through a transmitter of the UE based on the DCI. The transmitter of the UE includes an out-of-band emission reduction (OOBER) device, and the OOBER device is enabled based on whether the allocated frequency bands correspond to edges of a bandwidth part (BWP).
Abstract:
A method of operating a user equipment (UE) in a wireless communication system is provided. The method includes obtaining resource allocation indication information from a base station through a control channel, determining a UE operation mode based on the resource allocation indication information, transmitting an uplink signal by allocating physical uplink shared channel (PUSCH) resource based on a physical downlink shared channel (PDSCH) demodulation reference signal (DMRS) received from the base station, when the UE operation mode is a full duplex multiplexing radio (FDR) mode, performing self-interference channel estimation based on a PUSCH DMRS resource location, and performing reception channel estimation based on the PDSCH DMRS and demodulating data.
Abstract:
The present disclosure provides a method of transmitting and receiving a signal by a user equipment (UE) in a wireless communication system. The method may include: transmitting an uplink (UL) signal including a reference signal (RS) to a base station; measuring a self-interference (SI) signal based on the UL signal; and transmitting a message based on the measured SI signal. The message may include a request for RS change or information about the state of the measured SI signal.