Patent application number | Description | Published |
20090080572 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, detecting a conditional access descriptor indicating whether the mobile service data was encrypted, using the acquired program table, and controlling such that the encrypted mobile service data is decrypted, using information of the detected conditional access descriptor. | 03-26-2009 |
20090080574 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group in the received mobile service data, acquiring control data required to decrypt an encrypted service included in an ensemble by using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, and controlling such that the encrypted service is decrypted by using the acquired control data. | 03-26-2009 |
20090083783 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A reception system and a method for processing data in the reception system are disclosed. The reception system includes a baseband processor receiving a broadcasting signal including mobile service data and main service data, the mobile service data including first service data and second service data having a format different from that of the first service data, the second service data configuring a Reed Solomon (RS) frame, and the RS frame including a table which describes the second service data having the format different from that of the first service data and signaling information including conditional access information of the second service data, a table handler parsing the table from the RS frame and extracting the signaling information of the second service data, the extracted signaling information including conditional access information of the second service data in the RS frame, a frame handler extracting the second service data from the RS frame on the basis of the extracted signaling information, a conditional access handler releasing the conditional access of the extracted second service data on the basis of the conditional access information of the extracted signaling information, and a service handler parsing the second service data of which the conditional access is released. Accordingly, it is possible to process service data having a format different from that of the existing MH method in an MH system and provide various services. | 03-26-2009 |
20090097429 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service. | 04-16-2009 |
20090150916 | Digital broadcasting receiver and a data processing method - A digital broadcasting system and a data processing method are disclosed. A data processing method of a digital broadcasting receiver comprises receiving a mobile/handheld (MH) broadcasting signal including mobile service data and main service data; generating a RS (Reed-Solomon) frame from the received MH broadcasting signal; extracting control data from the RS frame, the control data including charge adjustment information required to use a service provided by at least one service provider, the service being encrypted; determining whether the service is available, by comparing the extracted charge adjustment information with balance information written in the smart card; controlling the second RS frame using the control data so that an encrypted service of the second RS frame is decrypted, if the service is available; and mapping the extracted charge adjustment information with a corresponding service provider and storing the information. | 06-11-2009 |
20090150932 | Digital broadcasting receiver and a data processing method - A digital broadcasting system and a data processing method are disclosed. A data processing method of a digital broadcasting receiver comprises receiving a mobile/handheld (MH) broadcasting signal including mobile service data and main service data; generating RS(Reed-Solomon) frames from the received MH broadcasting signal; extracting ESG (electronic service guide) data from the generated RS frame; extracting SDP (session description protocol) data from the extracted ESG data; checking a port number corresponding to subtitle having reference information, among the extracted SDP data; and controlling the subtitle having reference information using the checked port number so that the subtitle having reference information is displayed. | 06-11-2009 |
20090207908 | DIGITAL BROADCAST SYSTEM AND DATA PROCESSING METHOD - A digital broadcast system and a data processing method are disclosed. A data processing method of a digital broadcast transmission system includes delaying a reference time of a program clock reference (PCR) based on a size of mobile service data, when processing a broadcasting signal including main service data and the mobile service data, verifying a transport stream system target decoder (T-STD) model based on the PCR of the delayed reference time, and storing a packet of the main service data in an auxiliary buffer, when overflow of a buffer in the T-STD model is estimated as the verification result of the T-STD model. | 08-20-2009 |
20100158156 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method includes performing Reed Solomon (RS) and Cyclic Redundancy Check encoding on mobile data and a table including access information of the data and information identifying a stream where data decryption keys are obtained, thereby forming an RS frame, which is divided into groups. Each group includes a portion of the RS frame data, known data sequences, fast information channel (FIC) data, and transmission parameter channel (TPC) data. The FIC data includes information for rapid mobile service acquisition. The TPC data includes information for indicating an FIC data update. A broadcast signal including the groups is transmitted. The RS frame size is L (rows)×N (column size of the RS frame) bytes. Each row has an M-byte header, leaving the remainder available for data. Data in the rows are packed into the rows end-to-end, with possible wrapping around at the end of each row to the next row. | 06-24-2010 |
20100211973 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service. | 08-19-2010 |
20100322424 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcast receiver and a control method thereof are disclosed. The control method includes receiving a broadcast signal into which mobile service data and main service data are multiplexed, extracting TPC signaling information and FIC signaling information from a data group in the received mobile service data, acquiring a program table describing virtual channel information and a service of an ensemble, using the extracted FIC signaling information, the ensemble being a virtual channel group of the received mobile service data, detecting a conditional access descriptor indicating whether the mobile service data was encrypted, using the acquired program table, and controlling such that the encrypted mobile service data is decrypted, using information of the detected conditional access descriptor. | 12-23-2010 |
20110222494 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service. | 09-15-2011 |
20110271298 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method of processing broadcast data includes: performing RS encoding and CRC encoding on mobile service data to generate an RS frame belonging to an ensemble including a signaling information table including access information of the mobile service data and identification information for identifying a stream where keys to decrypt the mobile service data are obtained; mapping a portion of data in the RS frame to a group including known data sequences, FIC data, and TPC data, wherein the FIC data includes information for rapid mobile service acquisition, and the TPC data includes FIC version information for indicating an update of the FIC data; and transmitting a broadcast signal including the group. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block. | 11-03-2011 |
20110276999 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method of processing broadcast data includes: receiving a broadcast signal including a group including mobile service data, FIC data, TPC data and known data sequences; demodulating the broadcast signal; compensating channel distortion generated in the demodulated broadcast signal based upon at least one of the known data sequences; decoding the FIC data and the TPC data from the channel distortion compensated broadcast signal; extracting the signaling information table from the channel distortion compensated broadcast signal; identifying a stream where keys to decrypt the mobile service data are obtained using the extracted signaling information table; and decrypting the mobile service data using the keys. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block. | 11-10-2011 |
20120110412 | DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITAL BROADCASTING SYSTEM - A digital broadcasting system and a method for controlling the same are disclosed. A method for controlling a digital broadcast receiving system includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (TPC) signaling information and fast information channel (FIC) signaling information from a data group within the received mobile service data, by using the extracted fast information channel (FIC) signaling information, acquiring a program table describing virtual channel information and service of an ensemble, the ensemble being a virtual channel group of the received mobile service data, by using the acquired program table, detecting a descriptor defining basic information required for accessing the received service, and, by using the detected descriptor, controlling the receiving system to enable access to the corresponding service. | 05-03-2012 |
20120128012 | DIGITAL BROADCAST SYSTEM AND DATA PROCESSING METHOD - A digital broadcast system and a data processing method are disclosed. A data processing method of a digital broadcast transmission system includes delaying a reference time of a program clock reference (PCR) based on a size of mobile service data, when processing a broadcasting signal including main service data and the mobile service data, verifying a transport stream system target decoder (T-STD) model based on the PCR of the delayed reference time, and storing a packet of the main service data in an auxiliary buffer, when overflow of a buffer in the T-STD model is estimated as the verification result of the T-STD model. | 05-24-2012 |
20120140847 | DIGITAL BROADCAST SYSTEM AND DATA PROCESSING METHOD - A digital broadcast system and a data processing method are disclosed. A data processing method of a digital broadcast transmission system includes delaying a reference time of a program clock reference (PCR) based on a size of mobile service data, when processing a broadcasting signal including main service data and the mobile service data, verifying a transport stream system target decoder (T-STD) model based on the PCR of the delayed reference time, and storing a packet of the main service data in an auxiliary buffer, when overflow of a buffer in the T-STD model is estimated as the verification result of the T-STD model. | 06-07-2012 |
20150058879 | DIGITAL BROADCASTING RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method of processing broadcast data includes: performing RS encoding and CRC encoding on mobile service data to generate an RS frame belonging to an ensemble including a signaling information table including access information of the mobile service data and identification information for identifying a stream where keys to decrypt the mobile service data are obtained; mapping a portion of data in the RS frame to a group including known data sequences, FIC data, and TPC data, wherein the FIC data includes information for rapid mobile service acquisition, and the TPC data includes FIC version information for indicating an update of the FIC data; and transmitting a broadcast signal including the group. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block. | 02-26-2015 |