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Frequency domain equalisation of OFDM signals over frequency nonselective Rayleigh fading channels

Frequency domain equalisation of OFDM signals over frequency nonselective Rayleigh fading channels

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  • Author(s): J. Ahn 1  and  H.S. Lee 1
    • View affiliations
    • Affiliations: 1: Department of Information and Communication Engineering, Korea Advanced Institute of Science and Technology, Dongdaemun-Gu, South Korea
  • Source: Volume 29, Issue 16, 5 August 1993, p. 1476 – 1477
    DOI:  10.1049/el:19930986 , Print ISSN 0013-5194, Online ISSN 1350-911X
© The Institution of Electrical Engineers
Published

In orthogonal frequency division multiplexing (OFDM) signal transmission via a frequency nonselective fading channel, multiplicative distortion in the time domain acts as intersymbol interference (ISI) in the frequency domain. The Letter proposes new compensation methods for the fading distortion in OFDM signals, in which compensation is achieved in the frequency domain. With the proposed methods, improved results can be obtained compared to previous schemes. The symbol error rate (SER) of each proposed scheme is obtained by baseband simulation.

Inspec keywords: frequency division multiplexing; compensation; fading; intersymbol interference

Other keywords: frequency nonselective Rayleigh fading channels; intersymbol interference; fading distortion; orthogonal frequency division multiplexing; signal transmission; multiplicative distortion; baseband simulation; compensation methods; symbol error rate

Subjects: Switching centres and equipment; Communication switching

References

    1. 1)
      • L.J. Cimini . Analysis and simulation of a digital mobile channel using orthogonal frequency division multiplexing. IEEE Trans. , 7 , 665 - 675
    2. 2)
      • W.C. Jakes . (1974) , Microwave mobile communications.
    3. 3)
      • J.G. Proakis . , Digital communications.
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