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基于正交頻分復(fù)用的頻域差分幅度相位調(diào)制

束鋒 吳樂(lè)南

束鋒, 吳樂(lè)南. 基于正交頻分復(fù)用的頻域差分幅度相位調(diào)制[J]. 電子與信息學(xué)報(bào), 2002, 24(4): 467-472.
引用本文: 束鋒, 吳樂(lè)南. 基于正交頻分復(fù)用的頻域差分幅度相位調(diào)制[J]. 電子與信息學(xué)報(bào), 2002, 24(4): 467-472.
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.

基于正交頻分復(fù)用的頻域差分幅度相位調(diào)制

Frequency-domain DAPSK+OFDM

  • 摘要: 該文提出一種基于頻域的幅度兩電平的DAPSK+OFDM,并討論該調(diào)制方式在頻域的差分調(diào)制和解調(diào),然后給出它在白高斯信道的誤比特性能公式。最后在典型的調(diào)幅(AM)波段信道對(duì)它和基于時(shí)域的DAPSK+OFDM的誤比特性能進(jìn)行了仿真。結(jié)果表明:在短波信道,頻域的DAPSK+OFDM比時(shí)域的DAPSK+OFDM性能好;在中波信道,時(shí)域的DAPSK+OFDM比頻域的DAPSK+OFDM性能好。因此,數(shù)字調(diào)幅廣播系統(tǒng)在短波信道可采用頻域DAPSK+OFDM,在中長(zhǎng)波信道可采用時(shí)域DAPSK+OFDM
  • 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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出版歷程
  • 收稿日期:  2000-12-06
  • 修回日期:  2001-06-11
  • 刊出日期:  2002-04-19

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