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Zhang Zhongpei, Ni Shunkang. Intercarrier Interference Cancellation Scheme for OFDM High Speed Mobile Communication Systems[J]. Journal of University of Electronic Science and Technology of China, 2003, 32(5): 503-507.
Citation: Zhang Zhongpei, Ni Shunkang. Intercarrier Interference Cancellation Scheme for OFDM High Speed Mobile Communication Systems[J]. Journal of University of Electronic Science and Technology of China, 2003, 32(5): 503-507.
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Intercarrier Interference Cancellation Scheme for OFDM High Speed Mobile Communication Systems

  • 1.

    National Key Laboratory of Communication,UEST of China Chengdu 610054;

  • 2.

    School of Physical Electronics,UEST of China,Chengdu 610054

  • Received Date: 2003-08-29
  • Publish Date: 2003-10-15
  • For orthogonal frequency-division multiplexing (OFDM) communication systems, a loss of subcarrier orthogonality due to time-variant multipath channel leads to intercarrier interference (ICI).This paper studies an efficient ICI cancellation method termed segment equalization schemes.The signal-to-interference power rate can be increase 6 dB and 12 dB when the segment size is two or four, and the system has the same spectrum efficiency with standard equalization. Simulations and performance analysis show that OFDM system using the proposed segment equalization can effectively reduce the ICI cause by frequency offset and large doppler frequency shifts in mobile radio channels.
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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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Intercarrier Interference Cancellation Scheme for OFDM High Speed Mobile Communication Systems

  • 1. National Key Laboratory of Communication,UEST of China Chengdu 610054;
  • 2. School of Physical Electronics,UEST of China,Chengdu 610054
  • Received Date: 2003-08-29
  • Publish Date: 2003-10-15

Abstract: For orthogonal frequency-division multiplexing (OFDM) communication systems, a loss of subcarrier orthogonality due to time-variant multipath channel leads to intercarrier interference (ICI).This paper studies an efficient ICI cancellation method termed segment equalization schemes.The signal-to-interference power rate can be increase 6 dB and 12 dB when the segment size is two or four, and the system has the same spectrum efficiency with standard equalization. Simulations and performance analysis show that OFDM system using the proposed segment equalization can effectively reduce the ICI cause by frequency offset and large doppler frequency shifts in mobile radio channels.

Zhang Zhongpei, Ni Shunkang. Intercarrier Interference Cancellation Scheme for OFDM High Speed Mobile Communication Systems[J]. Journal of University of Electronic Science and Technology of China, 2003, 32(5): 503-507.
Citation: Zhang Zhongpei, Ni Shunkang. Intercarrier Interference Cancellation Scheme for OFDM High Speed Mobile Communication Systems[J]. Journal of University of Electronic Science and Technology of China, 2003, 32(5): 503-507.
shu

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