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Volume 22 Issue 1
Jan.  2000
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Li Guangqiu. 16QAM AND 64QAM SCHEMES WITH UNEQUAL ERROR PROTECTION BASED ON TRELLIS CODED MODULATION[J]. Journal of Electronics & Information Technology, 2000, 22(1): 156-159.
Citation: Li Guangqiu. 16QAM AND 64QAM SCHEMES WITH UNEQUAL ERROR PROTECTION BASED ON TRELLIS CODED MODULATION[J]. Journal of Electronics & Information Technology, 2000, 22(1): 156-159.

16QAM AND 64QAM SCHEMES WITH UNEQUAL ERROR PROTECTION BASED ON TRELLIS CODED MODULATION

  • Received Date: 1998-05-14
  • Rev Recd Date: 1999-01-17
  • Publish Date: 2000-01-19
  • Nonuniformly spaced 16QAM(Quadrature Amplitude Modulation) and 64QAM schemes with unequal error protection(UEP) that are designed using Trellis Coded Modulation (TCM) are proposed in this paper. Compared with conventional uniformly spaced MQAM, both the important data and the less important data of UEP MQAM can obtain several decibels of coding gain.
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  • Digital Video Broadcasting(DVB);Framing Structure,Channel Coding and Modulation for Digital Terrestrial Television(DVB-T).European Telecommunication Standard, Final Draft prETS300744.1996,11[2]Morimoto M,Okada M,Komaki S.A hicrarchical image transmission systems for multimedia mobile communication.IEICE Trans.Commun., 1997, E80(5):779-781[3]Fazel K, Ruf J M.Combined multilevel coding and multiresolution modulation.In:Proc of IEEE ICC,Houston,Texas:1993,1081-1085.[4]Ramchandran K, Ortega A,Uz M K,et al Multiresolution broadcasting for digital HDTV using sourcde/channel coding. IEEE J of SAC,1993,11(1):6-22[5]Wei L F Coded modulation with unequal error protection, IEEE Trans.on Commun.,1993,4l(10):1439-1449.[6]Ungerboeck G Trellis-coded modulation with redundant signals sets Part I:Introduction and Part II:Srate of the art.IEEE Commun.Mag., 1987,25(2):5-2l[7]Prokis J G 数字通信.北京:电子工业出版社,1998:511-526.
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