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Article Navigation >  Journal of University of Electronic Science and Technology of China  > 2008  >  37(6): 818-822

CAO Lei, ZHANG Xin, YANG Da-cheng. Novel Frequency-Domain Implementation Method for Joint Frequency Domain Equalization and Interference Cancellation[J]. Journal of University of Electronic Science and Technology of China, 2008, 37(6): 818-822.
Citation: CAO Lei, ZHANG Xin, YANG Da-cheng. Novel Frequency-Domain Implementation Method for Joint Frequency Domain Equalization and Interference Cancellation[J]. Journal of University of Electronic Science and Technology of China, 2008, 37(6): 818-822.
shu

Novel Frequency-Domain Implementation Method for Joint Frequency Domain Equalization and Interference Cancellation

  • 1.

    The Research Institution of China Mobile Xuanwu Beijing 100053;

  • 2.

    Telecommunication Engineering School,Beijing University of Posts and Telecommunications Haidian Beijing 100876

  • Received Date: 2007-09-04
  • Rev Recd Date: 2008-03-20
  • Publish Date: 2008-12-15
  • A novel low-complexity frequency-domain implementation method is proposed for the receiving algorithm combined frequency domain equalization and interference cancellation. By using overlap-cut method, the multiuser interference (MUI) at each stage of iteration is regenerated by multiplication in frequency domain instead of by linear convolution in time domain, and then the regenerated MUI is cancelled in frequency domain. Simulation results show that the proposed method has slight bit-error-rate (BER) performance loss than conventional time-domain methods only at high SNRs, but the former is much simpler than the latter in computational complexity.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Novel Frequency-Domain Implementation Method for Joint Frequency Domain Equalization and Interference Cancellation

  • 1. The Research Institution of China Mobile Xuanwu Beijing 100053;
  • 2. Telecommunication Engineering School,Beijing University of Posts and Telecommunications Haidian Beijing 100876
  • Received Date: 2007-09-04
  • Rev Recd Date: 2008-03-20
  • Publish Date: 2008-12-15

Abstract: A novel low-complexity frequency-domain implementation method is proposed for the receiving algorithm combined frequency domain equalization and interference cancellation. By using overlap-cut method, the multiuser interference (MUI) at each stage of iteration is regenerated by multiplication in frequency domain instead of by linear convolution in time domain, and then the regenerated MUI is cancelled in frequency domain. Simulation results show that the proposed method has slight bit-error-rate (BER) performance loss than conventional time-domain methods only at high SNRs, but the former is much simpler than the latter in computational complexity.

CAO Lei, ZHANG Xin, YANG Da-cheng. Novel Frequency-Domain Implementation Method for Joint Frequency Domain Equalization and Interference Cancellation[J]. Journal of University of Electronic Science and Technology of China, 2008, 37(6): 818-822.
Citation: CAO Lei, ZHANG Xin, YANG Da-cheng. Novel Frequency-Domain Implementation Method for Joint Frequency Domain Equalization and Interference Cancellation[J]. Journal of University of Electronic Science and Technology of China, 2008, 37(6): 818-822.
shu

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