Abstract: A transmitting system, a receiving system, and a method of processing broadcast signals are disclosed. The method for transmitting a broadcast signal includes encoding mobile data for forward error correction (FEC) to build Reed-Solomon (RS) frames, dividing the built RS frames into a number of RS frame portions, dividing one of the RS frame portions into Serially Concatenated Convolutional Code (SCCC) blocks, mapping the SCCC blocks including the convolution-coded data to mobile data blocks according to a SCCC block mode which identifies relationship between the mobile data blocks and the SCCC blocks, forming a data group including the mobile data blocks, forming mobile data packets including data in the data group and, multiplexing a specified number of the mobile data packets, a first scalable number of the mobile data packets, and a second scalable number of main data packets.

Abstract: A digital receiving system, and a method of processing data are disclosed. The digital receiving system includes a receiving unit, a known sequence detector, and a channel equalizer. The receiving unit receives a broadcast signal including mobile service data and main service data. The known sequence detector detects known data linearly inserted in a data group. The channel equalizer performs channel-equalizing on the received mobile service data using the detected known data.

Abstract: A method and an apparatus for processing digital broadcast signal are disclosed.

Abstract: A transmitting system, a receiving system, and a method of processing broadcast signals are disclosed.

Abstract: A digital broadcasting system and a method for transmitting and receiving digital broadcast signal are disclosed. The method of transmitting digital broadcast signal includes convolutional encoding mobile data to build SCCC blocks, generating signaling data, forming a first data group and a second data group which includes mobile service data and the signaling data, interleaving data including the mobile service data in the first and second data groups and outputting a interleaved first data group and an interleaved second data group, wherein at least one of the SCCC blocks include an extension data block from the interleaved first data group and a data block from the interleaved second data group, transmitting the digital broadcasting signal including the first data group and the second data group.

Abstract: The disclosed method of processing a digital broadcast signal comprises generating one RS frame or two RS frames for a data group, forming the data group being divided to 5 data regions, wherein the 5 data regions include a first data region which is located at central of the data group, a second data region which is concentric about the first data region, a third data region which is concentric about the first and second data region, a fourth data region which is concentric about the first, second and third data region and a fifth data region which includes scalable amount of the mobile service data, wherein the fifth data region includes 5 extended data blocks, and wherein data in one of the 5 extended data blocks are merged into the data blocks of the first data region when the one RS frame is generated for the data group.

Abstract: A transmitting system, a receiving system, and a method of processing broadcast signals are disclosed. Herein, the transmitting system includes an RS frame encoder, a block processor, a group formatter, and a trellis encoding module. The RS frame encoder performs error correction encoding on an RS frame payload including mobile service data so as to form an RS frame, divides the RS frame into a plurality of portions, and outputs the divided RS frame portions. The block processor performs one of ½-rate encoding and ¼-rate encoding on each bit of the mobile service data included in each portion. The group formatter maps a portion including symbols of the ¼-rate encoded mobile service data and symbols of the ½-rate encoded mobile service data to a corresponding region of a data group. And, the trellis encoding module performs trellis encoding on the symbols of the ¼-rate encoded mobile service data and the symbols of the ½-rate encoded mobile service data of the data group.

Abstract: A receiving system and a method for receiving and processing a broadcast signal including mobile service data are disclosed. The receiving system includes a tuner, a demodulator, a block decoder and an RS frame decoder. The tuner receives a broadcast signal including first mobile service data and second mobile service data. The demodulator demodulates the broadcast signal. The block decoder performs turbo-decoding on the first and second mobile service data included in the demodulated broadcast signal. The RS frame decoder builds a primary RS frame by collecting the turbo-decoded first mobile service data and performs error correction decoding on the primary RS frame. The RS frame decoder also builds a secondary RS frame by collecting the second mobile service data and performs error correction decoding on the secondary RS frame.

Abstract: The disclosed method of processing a digital broadcast signal comprises encoding signaling data for signaling of mobile service data, forming data groups, wherein the data groups include a first data group, a second data group and a third data group, and transmitting the digital broadcast signal including the data groups, wherein the signaling data includes first information indicating whether a segmented known data sequence of the second data group is concatenated to a segmented known data sequence of the first data group to form a known data sequence, and/or second information indicating whether a segmented known data sequence of the second data group is concatenated to a segmented known data sequence of the third data group to form a known data sequence.

Abstract: The disclosed method of processing a digital broadcast signal comprises generating one RS frame or two RS frames for a data group, forming the data group being divided to 5 data regions, wherein the 5 data regions include a first data region which is located at central of the data group, a second data region which is concentric about the first data region, a third data region which is concentric about the first and second data region, a fourth data region which is concentric about the first, second and third data region and a fifth data region which includes scalable amount of the mobile service data, wherein the fifth data region includes 5 extended data blocks, and wherein data in one of the 5 extended data blocks are merged into the data blocks of the first data region when the one RS frame is generated for the data group.

Abstract: The disclosed method of processing a digital broadcast signal comprises generating one RS frame or two RS frames according to the RS frame mode, forming the data group including the mobile service data and signaling data, forming and outputting a plurality of data packets including the mobile service data in the data group, wherein the 118 data packets and K data packets are outputted for the data group, the K being scalable between 0 and 38, interleaving the mobile service data included in the plurality of data packets, wherein the data group includes a scalable data region including data included in the K data packets, wherein the scalable data region carries data included in the first RS frame when the RS frame mode is the single frame mode, or carries data included in the third RS frame when the RS frame mode is the dual frame mode.

Abstract: A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes multiplexing a specified number of mobile data packets, a first scalable number of mobile data packets, and a second scalable number of main data packets, interleaving mobile data in the mobile data packets and main data in the main data packets, transmitting the interleaved mobile and main data during a slot, wherein the data group includes a plurality of first blocks, each first block including a plurality of data segments, specified block of the plurality of first blocks including the mobile data, known data sequence, trellis initialization data and RS parity bytes inserted in pre-determined position of the data group, wherein the data group includes a plurality of regions, wherein the last region includes the first scalable number of mobile data packets.

Abstract: A digital broadcasting system and a method for transmitting and receiving digital broadcast signal are disclosed. The method of processing a digital broadcast signal comprises encoding signaling information for mobile data, forming data groups including mobile data, a plurality of long known data sequences, a plurality of segmented known data sequences and the encoded signaling information, interleaving data in the data groups, transmitting the digital broadcast signal including the data groups having the interleaved data, and wherein the signaling information includes concatenation information indicating whether the segmented known data sequences are concatenated between the data groups included in the digital broadcast signal.

Abstract: A digital broadcasting system and a method for transmitting and receiving digital broadcast signal are disclosed. The method for processing a digital broadcast signal comprises processing the digital broadcast signal in at least two transmission modes, wherein the processing comprises first processing for a first transmission mode comprising forming a data group including mobile service data and place holder data for main service data, an MPEG-2 header and non-systematic RS parity data, removing the place holder data for main service data and non-systematic RS parity data in the data group, replacing the place holder data for the MPEG-2 header with an MPEG-2 header having a packet ID of mobile service data packets, thereby forming and outputting 118 mobile service data packets including data in the data group, multiplexing the outputted mobile service data packets and 38 main service data packets.

Abstract: A digital broadcasting system and a method for transmitting and receiving digital broadcast signal are disclosed. The method of receiving digital broadcast signal includes receiving a broadcast signal including data groups, wherein the data groups include mobile service data and signaling data including transmission parameter, wherein the transmission parameter includes a protocol version field identifying a first transmission mode or a second transmission mode, demodulating the broadcast signal, decoding the signaling data including a transmission parameter, decoding the mobile service data according to the transmission parameter included in the signaling data.

Abstract: A digital broadcasting system and a method for transmitting and receiving digital broadcast signal are disclosed. The method of transmitting digital broadcast signal includes convolutional encoding mobile data to build SCCC blocks, generating signaling data, forming a first data group and a second data group which includes mobile service data and the signaling data, interleaving data including the mobile service data in the first and second data groups and outputting a interleaved first data group and an interleaved second data group, wherein at least one of the SCCC blocks include an extension data block from the interleaved first data group and a data block from the interleaved second data group, transmitting the digital broadcasting signal including the first data group and the second data group.

Abstract: A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcast signal includes generating signaling data including a transmission parameter, wherein the transmission parameter includes a protocol version field identifying between a first transmission mode and a second transmission mode, forming a data group including mobile service data and the signaling data, forming mobile service data packets including the mobile service data and the signaling data in the data group, transmitting the digital broadcast signal including the data group.

Abstract: A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes encoding mobile data for forward error correction to build RS frames, wherein the RS frames includes the mobile data belonging to ensembles, each ensemble being a collection of services providing same quality of service, encoding signaling data including binding information between the ensembles and the services, forming data groups, forming mobile data packets including data in the data groups, wherein each mobile data packet include an additional mobile data packets, interleaving data in the mobile data packets, wherein a fifth region of each data group includes the additional mobile data packets, transmitting the interleaved data, wherein the signaling data includes an identifier indicating a number of ensembles transmitted through a data group having the fifth region.

Abstract: A transmitting system and a method of transmitting digital broadcast signal are disclosed. This invention extends a region for mobile service data in a slot. Thus, the transmitter can transmit more mobile service data. This invention has an advantage enhancing the reception performance of a broadcast signal at a reception system, and a method for processing a broadcast signal by inserting additional known data in regions C, D and E.

Abstract: A transmitting system and a method of transmitting digital broadcast signal are disclosed. The method of transmitting digital broadcasting signal in a transmitter includes forming a data group including mobile data, packet formatting mobile data packets including data in the data group, wherein the mobile data packets include a specific number of mobile data packets and a scalable number of mobile data packets, the scalable number being scalable up to 38, wherein the data group includes a plurality of regions and fifth region of the data group includes the scalable number of mobile data packets, by-passing data randomizing and RS encoding on data in the mobile data packets when the scalable number is 38, interleaving data in the mobile data packets and transmitting the interleaved data during a slot.