Abstract:
The present invention provides a broadcast signal transmitting method. The method for transmitting a broadcast signal according to the present invention may comprise: a step of encoding data pipe (DP) data according to a code rate, the step of encoding DP data comprising a sub-step of forward error correction (FEC) encoding the DP data, a sub-step of bit-interleaving the FEC encoded DP data, and a sub-step of mapping the bit-interleaved DP data to constellation according to the code rate; a step of generating at least one signal frame by mapping the encoded DP data; and a step of modulating data of the generated signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal including the modulated data of the 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, a frame builder for building at least one signal frame included in a super frame, wherein each of signal frames includes the encoded service data and the encoded signaling data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, wherein each of the modulated signal frame includes a preamble having basic transmission parameters, wherein a length of the preamble is extendable and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.
Abstract:
Disclosed is an apparatus for transmitting a broadcast signal, comprising: an input formatting module configured to de-multiplex an input stream into at least one Data Pipe (DP); a BICM module configured to perform error correction processing on data of the at least one DP; a signal frame building module configured to map the data of the DP to symbols within a signal frame; and an OFDM generation module configured to generate a transmission broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation, wherein the OFDM generation module comprises a pilot signal insertion module configured to insert a pilot signal comprising Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and wherein the CPs are inserted into every symbol of the signal frame, and location and number of the CPs are determined based on a Fast Fourier Transform (FFT) size.
Abstract:
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver 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, wherein the frequency interleaver calculates an interleaving address for the different interleaving-seed based on a main-PRBS sequence and a cyclic shifting value, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.
Abstract:
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, 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, a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame, wherein each of the at least one signal frame includes a preamble having signaling data, wherein the signaling data includes size of FFT, information of whether the signal frame including EAC message or not and information relating to the service data of the signal frame.
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 performed by a user equipment (UE) supporting extended reality (XR) in a wireless communication system is provided. The method comprises receiving, from a base station (BS), control information related to a power saving operation, and performing the power saving operation configured based on the control information. The power saving operation may comprise determining a size of a XR-retransmission (reTx) timer based on the control information, starting the XR-reTx timer based on a configured condition, and based on the XR-reTx timer expiring, stopping a monitoring of a physical downlink control channel (PDCCH) including scheduling information for a retransmission of a physical downlink shared channel (PDSCH) from the BS.
Abstract:
A laundry treating apparatus includes a treatment chamber, a laundry hanger, a laundry hanger support configured to repeat a reciprocating motion between a first position and a second position, a driver configured to provide driving force to the laundry hanger support, and a controller configured to control a frequency of the reciprocating motion of the laundry hanger support. The controller is configured to control the driver to maintain the frequency of the reciprocating motion at a reference frequency that is selected from a frequency range that is predetermined based on a sample hung on the laundry hanger having (i) a shape of a first waveform at a first side of the laundry hanger support and (ii) a shape of a second waveform at a second side of the laundry hanger support. The frequency range is defined based on overlap points of the first waveform and the second waveform.
Abstract:
A laundry treating apparatus includes a cabinet, an inner casing disposed inside the cabinet and providing an accommodating space for laundry, a machine room disposed under the inner casing to circulate air inside the inner casing, a supply hole defined through a bottom surface of the inner casing such that the inner casing is in communication with the machine room and receives air thereinto, a discharge hole defined to be spaced apart from the supply hole and defined through the bottom surface of the inner casing such that the inner casing is in communication with the machine room and discharges air to the machine room, and a guide rib provided to partition the supply hole. The guide rib is configured to include guide ribs spaced apart from each other, and each guide rib is configured to have a different inclination from a top surface of the inner casing.
Abstract:
A laundry treating apparatus includes a cabinet having an accommodation space for accommodating laundry, a door configured to open and close the accommodation space, a support part provided in the accommodation space or the door, a pressing part configured to press the laundry towards the support part, a shaft configured to rotate the pressing part to a position where the pressing part faces the support part while being spaced apart from the support part by a predetermined distance, a fastening part provided in the door or the support part to couple the shaft to the door or the support part, a body coupling part coupled to the pressing part, and a body moving part configured to connect the body coupling part to the shaft. The pressing part is able to move toward the support part for laundry to be pressed between the pressing part and the support part.