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Volume 24 Issue 4
Apr.  2002
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Shu Feng, Wu Lenan . Frequency-domain DAPSK+OFDM[J]. Journal of Electronics & Information Technology, 2002, 24(4): 467-472.
Citation: Shu Feng, Wu Lenan . Frequency-domain DAPSK+OFDM[J]. Journal of Electronics & Information Technology, 2002, 24(4): 467-472.

Frequency-domain DAPSK+OFDM

  • Received Date: 2000-12-06
  • Rev Recd Date: 2001-06-11
  • Publish Date: 2002-04-19
  • In this paper, a new frequency-domain DAPSK+OFDM is proposed. Its modulation and demodulation are discussed, and its BER performance is analysed in AWGN channel. In the case f the typical AM channel, the simulation results indicate that the BER performance of frequency-domain DAPSK+OFDM is better than that of time-domain DAPSK+OFDM in Short Wave (SW) channel but poorer in Medium Wave (MW) channel. In short, it is reasonable to use frequency-domain DAPSK+OFDM in SW channel and time-domain DAPSK+OFDM in MW and Long Wave (LW) channel.
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  • C.R. Cahn, Combined digital phase and amplitude modulation communication systems, IRE Trans. on Communication Systems, 1960, CS-8(8), 150-155.[2]J.C. Hancock, R. W. Lucky, Performance of combined amplitude and phase modulated communication systems, IRE Trans. on Communication System, 1960, CS-8(12), 232-237.[3]R.C. Harper, Adaptive phase and amplitude modulation on a frequency dispersive fading channl,IEEE Trans.on Communication, 1974, COM-22(6), 764-776.[4]H. Rohling, V. Engels, Differential amplitude phase shift keying (DAPSK)-A new modulation method for DTVB, IEE International Broadcasting Convention, 1995, 43(9), 14-18.[5]V. Engels, H. Rohling, Multilevel differential modulation techniques(64-DAPSK) for multicarrier transmission systems, European Trans. on Telecommun., 1995, 11(6), 633-640.[6]V. Engels, H. Rohling, Multi-resolution 64-DAPSK modulation in a hierarchical COFDM, IEEE Trans. on Broadcasting, 1998, 1(40), 139-149.[7]T. May, H. Rohling, V. Engels, Performance analysis of Viterbi decoding for 64-DAPSK and 64QAM modulated OFDM signals, IEEE Trans. on Communications, 1998, COM-46(2), 182-190.[8]Shigeki Moriyama, et al., Digital transmission of high bit rate signals using 16DAPSK-OFDM modulation scheme, IEEE Trans. on Broadcasting, 1998, 40(1), 115-122.[9]E. Arthur, H. Dym, On the optimum detection of digital signals in the presence of white Gaussian noise, IRE Trans. on Communication Systems, 1962, CS-10(12), 336-372.[10]DRM proposal for a digital radio system for application in the broadcasting bands below 30MHz,2000.1.
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