Patent application number | Description | Published |
20080240297 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast receiving system includes a known data detector, a carrier recovery unit, and a timing recovery unit. The known data detector may detect known data information inserted and transmitted from a digital broadcast transmitting system and using the known data information to estimate initial frequency offset. The carrier recovery unit may obtain initial synchronization by using the initial frequency offset, and may detect frequency offset from the received data by using the known sequence position indicator so as to perform carrier recovery. The timing recovery unit may detect timing error information from the received signal by using the known sequence position indicator so as to perform timing recovery. | 10-02-2008 |
20100037106 | VSB TRANSMISSION SYSTEM FOR PROCESSING SUPPLEMENTAL TRANSMISSION DATA - A VSB communication system or transmitter for processing supplemental data packets with MPEG-II data packets includes a VSB supplemental data processor and a VSB transmission system. The VSB supplemental data processor includes a Reed-Solomon coder for coding the supplemental data to be transmitted, a null sequence inserter for inserting a null sequence to an interleaved supplemental data for generating a predefined sequence, a header inserter for inserting an MPEG header to the supplemental data having the null sequence inserted therein, a multiplexer for multiplexing an MPEG data coded with the supplemental data having the MPEG header added thereto in a preset multiplexing ratio and units. The output of the multiplexer is provided to an 8T-VSB transmission system for modulating a data field from the multiplexer and transmitting the modulated data field to a VSB reception system. | 02-11-2010 |
20100223528 | DTV TRANSMITTING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A DTV transmitting system includes an encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection. The randomizer randomizes the coded enhanced data, and the block processor codes the randomized data at an effective coding rate of 1/H. The group formatter forms a group of enhanced data having data regions, and inserts the coded enhanced data into at least one of the data regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter formats the deinterleaved data into corresponding data bytes. | 09-02-2010 |
20100306618 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCASTING SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - 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. | 12-02-2010 |
20120076198 | DTV TRANSMITTER AND METHOD OF CODING DATA IN DTV TRANSMITTER - A digital television (DTV) transmitter includes a first randomizer randomizing enhanced data; a Reed-Solomon (RS) frame encoder generating an RS frame; a block processor encoding data in the RS frame, outputting data symbols, interleaving the data symbols, and converting the interleaved data symbols into data bytes; a group formatting unit mapping the data bytes into data groups; a deinterleaver deinterleaving data of the data groups; a packet formatter outputting enhanced data packets; a multiplexer multiplexing the enhanced data packets with main data packets; a second randomizer randomizing the multiplexed main data packets and MPEG header data in the multiplexed enhanced data packets; a Reed-Solomon (RS) encoder RS encoding the multiplexed enhanced data packets; an interleaver interleaving data of the RS-encoded data packets; and a trellis encoding unit trellis encoding the interleaved data. | 03-29-2012 |
20120079552 | DIGITAL TELEVISION TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A digital television receiving system includes a first known data detector, a second known data detector, and a selector. The first known data detector detects a location of a first known data sequence in a broadcast signal by calculating a first correlation value between the broadcast signal and a first reference known data sequence. Similarly, the second known data detector detects a location of a second known data sequence in the broadcast signal by calculating a second correlation value between the broadcast signal and a second reference known data sequence. The selector selects the location information detected by one of the first and second known data detectors with a greater correlation value. | 03-29-2012 |
20120093235 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A method for transmitting a broadcast signal is presented. The method includes. Building a Reed-Solomon (RS) frame corresponding to an ensemble of a service of mobile data, the RS frame being a 2-dimensional data frame through which the mobile data belonging to the ensemble are Reed Solomon-cyclic redundancy check (RS-CRC) encoded, dividing the RS frame into a plurality of portions, encoding signaling information, wherein the signaling information includes fast information channel (FIC) data and transmission parameter channel (TPC) data wherein the FIC data includes cross layer information between a physical layer and an upper layer, mapping data in one portion of the plurality of portions to data groups, formatting data packets having data in the data groups, and transmitting a transmission frame having a parade of the data groups, wherein the TPC data includes an identifier of the parade and version information of the FIC data. | 04-19-2012 |
20120099581 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, demodulating the broadcast signal to acquire fast-information-channel signaling information including reference time information for a system clock, and outputting demodulation time information of a specific position of a frame of the broadcast signal, decoding the fast-information-channel signaling information, and establishing the reference time information as the system clock at a demodulation time according to on the outputted demodulation time information and decoding the mobile service data according to the system clock. | 04-26-2012 |
20120106675 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service data are multiplexed is transmitted and received. Then, in a broadcasting receiver, mobile service data identification information indicating whether the mobile service data of the broadcast signal provides an internet protocol (IP)-based service is parse from the broadcast signal. And the mobile service data is outputted by using the parsed mobile service data identification information. | 05-03-2012 |
20120114070 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD IN DIGITAL BROADCASTING SYSTEM - A method of transmitting a broadcast signal includes performing Reed-Solomon (RS) frame encoding and Cyclic Redundancy Check (CRC) encoding on first mobile service data to form a primary RS frame and on second mobile service data to form a secondary RS frame; encoding on at least the first mobile service data or the second mobile service data, in serial concatenated convolution code (SCCC) block units; encoding signaling information including transmission parameters, the transmission parameters including SCCC encoding information and RS frame encoding information; formatting a data group including the encoded first mobile service data and second mobile service data, wherein the first mobile service data are included in a first region within the data group and the second mobile service data are included in a second region within the data group, the second region being different from the first region; and transmitting the broadcast signal including the formatted data group. | 05-10-2012 |
20120127900 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - A method of processing broadcast data in a broadcast transmitter includes performing Reed-Solomon (RS) encoding and Cyclic Redundancy Check (CRC) encoding on mobile service data to build at least one RS frame including the mobile service data and dividing the at least one RS frame into a plurality of portions; dividing each of the plurality of portions into several Serial Concatenated Convolutional Code (SCCC) blocks according to SCCC block mode information, encoding data in the SCCC blocks, and mapping the SCCC blocks including the encoded data to data blocks according to the SCCC block mode information; encoding signaling data including fast information channel (FIC) data and transmission parameter channel (TPC) data; and modulating a broadcast signal including data in the data blocks and the encoded signaling data. | 05-24-2012 |
20120144266 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN THE DIGITAL BROADCASTING SYSTEM - A digital broadcast transmitting and a method of processing broadcast data in a digital broadcast transmitting system are disclosed. The method includes randomizing mobile service data; RS encoding and CRC encoding the randomized mobile service data to build an RS frame; dividing the built RS frame into L (L>1) number of portions and adding K bytes (K≧0) of dummy data to one of the portions; encoding data in the portions at a code rate of 1/H (H>1); first interleaving the encoded data; mapping the first interleaved data into data groups and adding known data sequences and transmission parameters to each of the data groups, deinterleaving data of the data groups; second interleaving the deinterleaved data; and transmitting a transmission frame including the second interleaved data. | 06-07-2012 |
20120147977 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A digital television receiving system includes a frame encoder, a data randomizing and expanding unit, a group formatter, a block processor, a deinterleaver, and a multiplexer. The frame encoder encodes an enhanced data frame for error correction. The data randomizing and expanding unit randomizes the encoded enhanced data and expands the randomized enhanced data. The group formatter forms a group of enhanced data having head, body, and tail regions and inserts the expanded data and transmission parameters into the body region. The block processor codes the group of enhanced data, and the deinterleaver deinterleaves the coded enhanced data. The packet formatter formats the deinterleaved enhanced data into enhanced data packets. | 06-14-2012 |
20120163477 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and method of processing data are disclosed. Herein, a transmitting system within the digital broadcasting system includes a byte-symbol converter, an interleaving unit, a block formatter, and a trellis encoding module. Herein, the byte-symbol converter converts inputted mobile service data to symbol units. The interleaving unit is provided with (N−1) number of block interleavers in parallel, and interleaves the symbols outputted from the byte-symbol converter. The block formatter controls output orders of the mobile service data being inputted and data being outputted from each block interleaver within the interleaving unit. The trellis encoding module is provided with a plurality of trellis encoders in parallel, and enables each trellis encoder trellis-encode the mobile service data. | 06-28-2012 |
20120163478 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A method of processing digital broadcast data in a digital broadcast transmitter includes performing Reed-Solomon (RS) encoding and Cyclic Redundancy Check encoding on mobile service data to build an RS frame; dividing the RS frame into a plurality of portions; mapping one of the plurality of portions into a first data group and inserting known data sequences, transmission parameters, place holders for non-systematic RS parity data, place holders for main service data, and place holders for MPEG header data into the first data group; deinterleaving data of the first data group to output a second data group; and removing the place holders for non-systematic RS parity data and the place holders for main service data in the second data group and replacing the place holders for MPEG header data in the second data group with MPEG header data to output mobile service data packets. | 06-28-2012 |
20120177063 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVING SYSTEM - A method of processing a digital broadcast signal includes Reed-Solomon (RS) encoding enhanced service data for each column of at least one RS frame payload and adding a Cyclic Redundancy Check (CRC) checksum byte at a right end of each row of the at least one RS frame payload to build at least one RS frame and forming data groups including the enhanced service data in the built RS frame and a plurality of known data sequences. Forming the data groups includes mapping the RS encoded enhanced service data into each of the data groups and inserting a place holder for a non-systematic RS parity into each of the data groups. The method further includes deinterleaving data in each of the data groups including the enhanced service data and the place holder and multiplexing the enhanced service data in each of the formed data groups with main service data. | 07-12-2012 |
20120177149 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A method of processing a digital broadcast signal in a transmitter includes encoding signaling information including a transmission parameter channel, including transmission parameters and a fast information channel (FIC) including cross layer information for mobile service acquisition, and transmitting the broadcast signal including ensembles including the encoded signaling information. The FIC is divided into FIC segments, each FIC segment including a FIC segment header and a FIC segment payload. The FIC segment header includes type information indicating a type of the FIC segment, the FIC further including a first ensemble identifier identifying a specific ensemble including a service map table (SMT). The SMT includes a header including a second ensemble identifier corresponding to the first ensemble identifier, a payload including service acquisition information of the specific ensemble, and IP access information of a mobile service for acquiring an IP datagram of the mobile service from the specific ensemble. | 07-12-2012 |
20120192241 | BROADCAST RECEIVING SYSTEM AND METHOD FOR PROCESSING BROADCAST SIGNALS - An apparatus and method for processing digital broadcast signal are provided. The method for processing a broadcast signal includes forming a data group having mobile broadcast service data, where forming the data group includes mapping the mobile broadcast service data into corresponding locations of the data group, adding known data sequences and signaling data into the data group, inserting place holder bytes for MPEG header and non-systematic Reed-Solomon (RS) parity, and de-interleaving data of the data group having the mobile broadcast service data, known data sequences, signaling data and place holder bytes, and formatting mobile broadcast service data packets including the de-interleaved data of the data group, where formatting the mobile broadcast service data packets includes removing place holder bytes for the non-systematic RS parity, and replacing place holder bytes for the MPEG header with the MPEG header. | 07-26-2012 |
20120195394 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast transmitter includes a block processor encoding mobile service data at a coding rate of 1/H and first interleaving the encoded mobile service data, wherein H is an integer equal to or greater than 2, a deinterleaver deinterleaving the first-interleaved mobile service data to output a first data group, an interleaver second interleaving the first data group to output a second data group including the mobile service data, a trellis encoding module trellis encoding data of the second data group, and a multiplexer multiplexing the trellis-encoded data with segment synchronization data and field synchronization data, wherein the block processor is concatenated with the trellis encoding module. | 08-02-2012 |
20120201307 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A method of processing broadcast data includes performing RS (Reed-Solomon) encoding and CRC (Cyclic Redundancy Check) encoding on mobile service data to output an RS frame; dividing the RS frame into a plurality of portions; block processing data in one portion of the plurality of portions; mapping the block processed data in the one portion into at least one region of a data group that comprises a plurality of regions, and adding a first known data sequence, a plurality of second known data sequences, and a transmission parameter to the data group; and transmitting a transmission frame including the data group, wherein the transmission parameter is positioned between the first known data sequence and one of the plurality of second known data sequences, and the first known data sequence and the one of the plurality of second known data sequences differ from each other in length. | 08-09-2012 |
20120240005 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - 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. | 09-20-2012 |
20120243618 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A method of transmitting a broadcast signal includes encoding mobile service data to build a Reed-Solomon (RS) frame according to an RS frame mode, wherein the mobile service data is either a mobile service data of a base layer or a mobile service data of the base layer and at least one enhancement layer, wherein each layer is specified by a layer identifier, wherein a layer identifier value of the base layer is set to 0 and a layer identifier value of the at least one enhancement layer starts from 1; and encoding signaling data, wherein the signaling data includes fast information channel (FIC) data and transmission parameter channel (TPC) data, and the FIC data includes information for rapid mobile service acquisition. | 09-27-2012 |
20120246541 | DTV RECEIVING SYSTEM AND METHOD OF PROCESSING DTV SIGNAL - A method of processing broadcast data in a broadcast transmitting system includes randomizing mobile service data bytes; generating a Reed-Solomon (RS) frame; dividing the RS frame into RS frame portions; converting data bytes of the RS frame portions into data bits; encoding each converted data bit and outputting data symbols corresponding to the encoded data bits; interleaving the data symbols; converting the interleaved data symbols into data bytes; forming data groups including mobile service data corresponding to the converted data bytes, each of the data groups including known data sequences, signaling information, non-systematic RS parity data place holders and MPEG header data place holders; removing the non-systematic RS parity data place holders in the data groups and replacing the MPEG header data place holders in the data groups with MPEG header data to output mobile service data packets; and randomizing the MPEG header data in the mobile service data packets. | 09-27-2012 |
20130107972 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVING SYSTEM | 05-02-2013 |
20130232395 | DTV TRANSMITTING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A DTV transmitting system includes an encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection. The randomizer randomizes the coded enhanced data, and the block processor codes the randomized data at an effective coding rate of 1/H. The group formatter forms a group of enhanced data having data regions, and inserts the coded enhanced data into at least one of the data regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter formats the deinterleaved data into corresponding data bytes. | 09-05-2013 |
20130250842 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 09-26-2013 |
20130294346 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast receiving system includes a known data detector, a carrier recovery unit, and a timing recovery unit. The known data detector may detect known data information inserted and transmitted from a digital broadcast transmitting system and using the known data information to estimate initial frequency offset. The carrier recovery unit may obtain initial synchronization by using the initial frequency offset, and may detect frequency offset from the received data by using the known sequence position indicator so as to perform carrier recovery. The timing recovery unit may detect timing error information from the received signal by using the known sequence position indicator so as to perform timing recovery. | 11-07-2013 |
20130294528 | CHANNEL EQUALIZER AND METHOD OF PROCESSING BROADCAST SIGNAL IN DTV RECEIVING SYSTEM - A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer converts normal data into frequency domain data, where a known data sequence is periodically repeated in the normal data. The estimator estimates channel impulse responses (CIR) during known data intervals adjacent to each normal data block. The average calculator calculates an average value of the CIRs. The second transformer converts the average value into frequency domain data. The coefficient calculator calculates equalization coefficients using the average value, and the compensator compensates channel distortion of each normal data block using the coefficients. The third transformer converts the compensated data block into time domain data. | 11-07-2013 |
20140075490 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcast system and method of processing data are disclosed. A channel equalizer includes a frequency domain converter receiving a known data sequence, when the known data sequence is periodically inserted and transmitted in general data, and converting the received data to frequency domain data, a CIR estimator using the data being received during a known data section and known data generated by a receiving system, so as to estimate a CIR, a CIR calculator interpolating or extrapolating the CIR estimated by the CIR estimator in accordance with characteristics of the general data being received, a coefficient calculator converting the CIR being outputted from the CIR calculator to a frequency domain CIR and calculating and outputting an equalization coefficient, and a distortion compensator multiplying the equalization coefficient calculated by the coefficient calculator with the data converted to frequency domain data by the frequency domain converter, thereby compensating channel distortion. | 03-13-2014 |
20140086230 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a data processing method are disclosed. The data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, demodulating the broadcast signal to acquire fast-information-channel signaling information including reference time information for a system clock, and outputting demodulation time information of a specific position of a frame of the broadcast signal, decoding the fast-information-channel signaling information, and establishing the reference time information as the system clock at a demodulation time according to on the outputted demodulation time information and decoding the mobile service data according to the system clock. | 03-27-2014 |
20140126586 | DIGITAL BROADCAST SYSTEM FOR TRANSMITTING/RECEIVING DIGITAL BROADCAST DATA, AND DATA PROCESSING METHOD FOR USE IN THE SAME - The present invention is directed to a digital broadcast system and a data processing method. A broadcast signal in which mobile service data and main service data are multiplexed is transmitted and received. Then, in a broadcasting receiver, the program table information including information about a service or a program of an ensemble is parsed according to an identifier of the ensemble in which the mobile service data are multiplexed, in the received broadcast signal. And a mobile service is outputted by using the mobile service data and the parsed program table information. | 05-08-2014 |
20140164882 | DTV TRANSMITTING SYSTEM AND METHOD OF PROCESSING BROADCAST DATA - A DTV transmitting system includes an encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection. The randomizer randomizes the coded enhanced data, and the block processor codes the randomized data at an effective coding rate of 1/H. The group formatter forms a group of enhanced data having data regions, and inserts the coded enhanced data into at least one of the data regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter formats the deinterleaved data into corresponding data bytes. | 06-12-2014 |
20140189471 | DTV TRANSMITTING SYSTEM AND RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL - A television transmitting system includes an encoder, a data randomizing and expanding unit, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection. The randomizing and expanding unit randomizes the error-detection-coded data and expands the randomized data. The group formatter forms a group of enhanced data having one or more data regions and inserts the expanded enhanced data into at least one of the regions. The deinterleaver deinterleaves the group of enhanced data, and the packet formatter generates enhanced data packets. | 07-03-2014 |
20140189770 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD - A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data. | 07-03-2014 |
20140219266 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - The present invention relates to a digital broadcasting system for transmitting/receiving a digital broadcasting signal and a method of processing data. In one aspect of the present invention provides a method of processing data, the method including receiving a broadcasting signal in which mobile service data and main service data are multiplexed, demodulating the received broadcasting signal, obtaining an identifier indicating that data frame of the broadcasting signal includes service guide information, decoding and storing the service guide information from the data frame; and outputting a service included in the mobile service data according to the decoded service guide information. | 08-07-2014 |
20140233657 | VSB COMMUNICATION SYSTEM - A VSB communication system comprises a VSB transmission system and a VSB reception system. The VSB transmission system multiplexes a coded MPEG data and a coded supplemental data having a null sequence inserted therein, with required multiplexing information included in a field synchronization signal or in a supplemental data according to a number of the supplemental data packets being transmitted. The VSB reception system detects the required multiplexing information from the field synchronization signal or the supplemental data and decodes the multiplexed data by using the null sequence and the detected multiplexing information, as well as demultiplexes the multiplexed data into the MPEG data and the supplemental data. | 08-21-2014 |
20140250485 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA - A digital broadcasting system and a method of processing data are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. In a transmitting system including a service multiplexer and a transmitter located in a remote site, a method of processing data of the transmitting system includes comparing an output data rate of the service multiplexer and a transmission data rate of the transmitter, when a difference occurs between the two data rates, adjusting a burst size, wherein the burst transmits mobile service data, and encoding the mobile service data, and referring to the burst size so as to multiplex main service data and the encoded mobile service data in a burst structure. | 09-04-2014 |
20140301376 | BROADCAST RECEIVING SYSTEM AND METHOD FOR PROCESSING BROADCAST SIGNALS - A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes a first receiving unit, a second receiving unit, a known sequence detector, a equalizer, and a display unit. The first receiving unit receives a first broadcast signal including first mobile broadcast service data and first main broadcast service data. The second receiving unit receives a second broadcast signal including second mobile broadcast service data and second main broadcast service data. The known sequence detector detects at least one of known data included in the received first broadcast signal and known data included in the received second broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received first and second mobile broadcast service data corresponding to the detected known data. The display unit provides any one of first video data and second video data included in the channel-equalized first and second mobile broadcast service data to a user. | 10-09-2014 |
20140334487 | DIGITAL BROADCASTING SYSTEM AND DATA PROCESSING METHOD IN DIGITAL BROADCASTING SYSTEM - A method of transmitting a broadcast signal includes performing Reed-Solomon (RS) frame encoding and Cyclic Redundancy Check (CRC) encoding on first mobile service data to form a primary RS frame and on second mobile service data to form a secondary RS frame; encoding on at least the first mobile service data or the second mobile service data, in serial concatenated convolution code (SCCC) block units; encoding signaling information including transmission parameters, the transmission parameters including SCCC encoding information and RS frame encoding information; formatting a data group including the encoded first mobile service data and second mobile service data, wherein the first mobile service data are included in a first region within the data group and the second mobile service data are included in a second region within the data group, the second region being different from the first region; and transmitting the broadcast signal including the formatted data group. | 11-13-2014 |