Title :
Technology and standards of digital television terrestrial multimedia broadcasting [Topics in Wireless Communications]
Author :
Ong, Chung-yen ; Song, Jian ; Pan, Changyong ; Li, Yangang
Author_Institution :
Hong Kong Appl. Sci. & Technol. Res. Inst., Hong Kong, China
fDate :
5/1/2010 12:00:00 AM
Abstract :
The digital television terrestrial multimedia broadcasting standard was ratified on August 18, 2006, and is the mandatory digital television terrestrial broadcasting standard in China. DTMB defines the signal frame structure, the coding and modulation schemes, and adopts time-domain synchronous orthogonal frequency-division multiplexing technology using pseudo random sequence as both the guard interval of the OFDM block and the training symbol. It can deliver fast system synchronization, accurate channel estimation, high spectrum efficiency, and excellent single-frequency network performance. This article covers the major features of the DTMB standard, its industrialization, current deployment status, and various applications based on the DTMB standard.
Keywords :
OFDM modulation; digital television; encoding; multimedia communication; random sequences; television broadcasting; OFDM block; channel estimation; coding scheme; digital television terrestrial broadcasting standard; digital television terrestrial multimedia broadcasting; high spectrum efficiency; modulation scheme; pseudo random sequence; signal frame structure; single-frequency network performance; system synchronization; time-domain synchronous orthogonal frequency-division multiplexing; training symbol; Broadcast technology; Communication standards; Digital TV; Digital multimedia broadcasting; Modulation coding; Multimedia communication; OFDM modulation; TV broadcasting; Time domain analysis; Wireless communication;
Journal_Title :
Communications Magazine, IEEE
DOI :
10.1109/MCOM.2010.5458372