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Characteristics of interfering signals in aeronautical h.f. voice channels

Characteristics of interfering signals in aeronautical h.f. voice channels

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  • Author(s): G.F. Gott 1  and  M.J.D. Staniforth 2
    • View affiliations
    • Affiliations: 1: Department of Electrical Engineering & Electronics, University of Manchester Institute of Science & Technology, Manchester, UK
      2: Department of Electrical Engineering & Electronics, Marconi Company Ltd., Chelmsford, UK
  • Source: Volume 125, Issue 11, November 1978, p. 1208 – 1212
    DOI:  10.1049/piee.1978.0254 , Print ISSN 0020-3270, Online ISSN 2053-7891
© The Institution of Electrical Engineers
Published

Interference from other users can be an important source of errors in aeromobile h.f. data transmission and is often more detrimental than the effects of multipath propagation and atmospheric and receiver noise. This paper describes briefly an initial investigation into the frequency and time characteristics of interfering signals within aeronautical h.f. voice channels and considers modem proposals that can improve the performance of slow-rate data transmissions in the presence of such interference.

Inspec keywords: aircraft communication; modems; radiofrequency interference; voice communication; data communication systems; communication channels

Other keywords: interfering signals; modern proposals; aeronautical HF voice channels; frequency characteristics; data transmissions; performance; time characteristics

Subjects: Electromagnetic compatibility and interference; Modulators, demodulators, discriminators and mixers; Other data transmission; Mobile radio systems

References

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      • : `Papers on Common User Radio Transmission Sounding (CURTS)', Proceedings of the national electronics conference, December 1968, Chicago, Stanford Research Institute, .
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      • E.E. Stevens . (1968) The Chec sounding system, Ionospheric Radio Communications.
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      • Ditoro, M.J., Hamulec, J., Goldberg, B.: `Design and performance of a new adaptive serial data modem in a simulated time variable multipath hf link', Conference Record of 1st IEEE Annual Communications Convention, June 1965, .
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      • Staniforth, M.J.D.: `A study of interference in the hf aeronautical bands', 1975, Ph.D. Thesis, Manchester University.
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