A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting t
A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change.
대표청구항▼
1. A broadcast transmitter comprising: a randomizer for randomizing enhanced data;a first encoder for Reed Solomon (RS) encoding and Cyclic Redundancy Check (CRC) encoding the randomized enhanced data;a block processor for encoding the RS-CRC encoded enhanced data at a coding rate of 1/H, wherein H
1. A broadcast transmitter comprising: a randomizer for randomizing enhanced data;a first encoder for Reed Solomon (RS) encoding and Cyclic Redundancy Check (CRC) encoding the randomized enhanced data;a block processor for encoding the RS-CRC encoded enhanced data at a coding rate of 1/H, wherein H is greater than 1;a group formatting unit for forming a data group including the encoded enhanced data and de-interleaving data of the data group, wherein the formed data group further includes main data place holders, known data sequences, trellis initialization data, MPEG header place holders, and RS parity data place holders;a packet formatter for removing the RS parity data place holders and the main data place holders from the data group in which data are deinterleaved and replacing the MPEG header place holders in the data group, in which data are deinterleaved, with MPEG headers, thereby outputting enhanced data packets;a first multiplexer for multiplexing the enhanced data packets with main data packets including main data;a second encoder for adding RS parity data to the multiplexed enhanced and main data packets by RS encoding the main data packets of the multiplexed enhanced and main data packets with a systematic RS encoding scheme and RS encoding the enhanced data packets of the multiplexed enhanced and main data packets with a non-systematic RS encoding scheme; andan interleaver for interleaving data of the RS-encoded enhanced and main data packets. 2. The broadcast transmitter of claim 1, wherein the interleaver is a convolutional data byte interleaver. 3. The broadcast transmitter of claim 1, further comprising: a trellis encoder for trellis encoding the interleaved data, wherein at least one memory included in the trellis encoder is initialized when the trellis initialization data are inputted to the trellis encoder. 4. The broadcast transmitter of claim 3, further comprising: a second multiplexer for multiplexing the trellis-encoded data with field synchronization data and segment synchronization data. 5. A method of processing broadcast data in a broadcast transmitter, the method comprising: randomizing, by a randomizer, enhanced data;Reed Solomon (RS) encoding and Cyclic Redundancy Check (CRC) encoding, by a first encoder, the randomized enhanced data;encoding, by a block processor, the RS-CRC encoded enhanced data at a coding rate of 1/H, wherein H is greater than 1;forming a data group including the encoded enhanced data, wherein the formed data group further includes main data place holders, known data sequences, trellis initialization data, MPEG header place holders, and RS parity data place holders;de-interleaving data of the data group;removing, by a packer formatter, the RS parity data place holders and the main data place holders from the data group in which data are deinterleaved and replacing the MPEG header place holders in the data group, in which data are deinterleaved, with MPEG headers, thereby outputting enhanced data packets;multiplexing the enhanced data packets with main data packets including main data;adding, by a second encoder, RS parity data to the multiplexed enhanced and main data packets by RS encoding the main data packets of the multiplexed enhanced and main data packets with a systematic RS encoding scheme and RS encoding the enhanced data packets of the multiplexed enhanced and main data packets with a non-systematic RS encoding scheme; andinterleaving data of the RS-encoded enhanced and main data packets. 6. The method of claim 5, wherein the data of the RS-encoded enhanced and main data packets are interleaved by a convolutional data byte interleaver. 7. The method of claim 5, further comprising: trellis encoding, by a trellis encoder, the interleaved data, wherein at least one memory included in the trellis encoder is initialized when the trellis initialization data are inputted to the trellis encoder. 8. The method of claim 7, further comprising: multiplexing the trellis-encoded data with field synchronization data and segment synchronization data. 9. The method of claim 5, wherein the known data sequences are periodically located.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (109)
Goldston Don R. ; Evans David W. ; Hartup David C., AM compatible digital audio broadcasting signal transmision using digitally modulated orthogonal noise-like sequences.
Jung,Ki Ho; Ryu,Heung Gyooun; Yun,Sung Ryul, Apparatus and method for transmitting and receiving side information of a partial transmit sequence in an OFDM communication system.
Van Niekerk Paulus A. W.,NLX ; Vlot Marnix C.,NLX, Audio data system with a first information sub-channel, extraction means for extracting said information, and packetizer.
Ikedo, Hiroyasu; Shirosugi, Takatoshi; Mizukami, Hiroyuki; Murata, Ikuo, Digital broadcast channel reception system and method and portable terminal for use in such system.
McDonald, James Douglas; Limberg, Allen Le Roy, Digital modulation signal receiver with adaptive channel equalization employing discrete fourier transforms.
Richard Ronald B. ; Hata Kazue ; Johnson Stephen ; Pearson Steve D. ; Hofmann Judson ; Hanson Brian A., Electronic news reception apparatus that selectively retains sections and searches by keyword or index for text to spee.
Lloyd C. Cox ; Gary A. Gramlich ; Robert M. Baker ; Stephen Freeman ; Brian P. Neary ; Cynthia R. Krzemien ; Jordan A. Krim ; Luis R. Nunez, Equalization system using general purpose filter architecture.
Kong,Seung Hyun; Ahn,Jae Min; Yoon,Soon Young; Yie,Kwang Wook; Kang,Hee Won; Kim,Young Ky, Forward link device of multicarrier communication system and method for realizing the same.
Kadono Shinya,JPX, Information embedding method, information extracting method, information embedding apparatus, information extracting apparatus, and recording media.
Atul Puri ; A. Murat Tekalp ; Petrus J. L. van Beck, Mesh node motion coding to enable object based functionalities within a motion compensated transform video coder.
Vijaya S. Israni ; Robert Fernekes ; Richard A. Ashby ; David Lampert ; John M. Jaugilas, Method and system for using real-time traffic broadcasts with navigation systems.
Shiomoto Shoji,JPX, Method for adding and encoding error correcting codes and its device and method for transmitting data having error correcting codes added.
Jahanghir, Musa; Chaney, Jack; Kaufman, Michael A., Methods and arrangements for a converting a high definition image to a lower definition image using wavelet transforms.
Kim Dae J. (Kyungki-do KRX) Kwak Heung S. (Kyungki-do KRX) Nam Ho J. (Seoul KRX), Partial response trellis decoder for high definition television (HDTV) system.
Blatter Harold ; Bridgewater Kevin Elliott ; Deiss Michael Scott ; Horlander Thomas Edward, Processing and storage of digital data and program specific information.
Limberg, Allen Le Roy; McDonald, James Douglas; Patel, Chandrakant Bhailalbhai, Repetitive-PN1023-sequence echo-cancellation reference signal for single-carrier digital television broadcast systems.
Langseth,Justin; Orolin,Nicolas J.; Talwar,Ajay; Fishman,Phillippa J., System and method for revenue generation in an automatic, real-time delivery of personalized informational and transactional data.
Birch Christopher H.,CAX ; van Staden Christian V.,CAX ; Brooks Walter R.,CAX ; Nicholas Paul D.,CAX ; Lawrence Steven S.,CAX, System and method for transmitting a plurality of digital services including imaging services.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.