Hybrid waveform equalisation scheme for coaxial p.c.m. systems

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Hybrid waveform equalisation scheme for coaxial p.c.m. systems

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The aim of waveform equalisation in digital transmission is to maximise the signal/noise ratio at the detection node. A simple scheme employing a conventional minimum-phase equalising amplifier to provide the main pulse shaping function and a transversal filter to reduce the remaining intersymbol interference is proposed for use in high-speed coaxial p.c.m. systems.

Inspec keywords: equalisers; coaxial cables; intersymbol interference; digital communication systems; pulse-code modulation links

Other keywords: high speed coaxial PCM system; transversal filter; signal/noise ratio; digital communication systems; intersymbol interference; hybrid waveform equalisation; main pulse shaping function

Subjects: Signal processing and detection; Waveguide and coaxial cable systems

References

    1. 1)
      • E.D. Sunde . Theoretical fundamentals of pulse transmission—l. Bell Syst. Tech. J. , 721 - 788
    2. 2)
      • K. Edvardsson , H. Nyman . Modems for data transmission on voice grade lines. Elec. Comnnm. , 110 - 120
    3. 3)
      • Y. Takasaki . Timing extraction in baseband pulse transmission. IEEE Trans. , 877 - 884
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