›› 2012, Vol. 32 ›› Issue (1): 43-50.doi: 10.3780/j.issn.1000-758X.2012.01.007

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Novel 4M mode for SOFDM Transmitting in CMMB System

 YANG  Tong   

  1. (Institute of Telecommunication Satellite, China Academy of Space Technology, Beijing 100094)
  • Received:2010-11-30 Revised:2012-02-25 Online:2012-02-25 Published:2012-02-25

Abstract: Inspired by the creative work of designing a new 4k transmitting mode in EURO DVB-H system and based upon the existing 8M/2M modes in China mobile multimedia broadcasting (CMMB) system, a novel 4M transmitting mode for satellite orthogonal frequency division multiplexing (SOFDM)was proposed.The 4M mode was demonstrated that it can provide a higher data rate than the 2M mode, as well as a more sufficient spectrum utility than the 8M mode. As a result, according to a more reasonable pilots and data patterning, 4M mode presents a better BER performance in comparison with 4k mode.

Key words: Mobile multimedia broadcasting, Orthogonal frequency division multiplexing, Transmitting mode, Parameter analysis, Communication, Satellite