• Title/Summary/Keyword: Rummer's model

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Performance Improvement of OFDM Systems in Broadband Wireless Communication Channel Environments (광대역 무선통신 채널 환경에서 OFDM 시스템의 성능개선)

  • Kang, Heau-Jo
    • Journal of Advanced Navigation Technology
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    • v.11 no.1
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    • pp.37-42
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    • 2007
  • In this paper, we analyzed the performance of OFDM systems with adaptive equalizer that considers the frequency offset, the frequency non-selective fading, and two-path microwave Rummer's model channels. First of all, it is analyzed that the performance degradation, which is caused by the offset and the non-selective fading channel, through simulation. As the results of the simulation, the performance of the OFDM system is greatly influenced by the offset and channels. The more the frequency offset is, the worse the performance of the OFDM system is. However, if the adaptive equalizer is adopted to the OFDM system, the performance is enhanced up to the limited rang.

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