Digital Signaling on Flat Fading Channels

  • Gordon L. Stüber


The performance of a digital modulation scheme is degraded by many transmission impairments including fading, delay spread, Doppler spread, co-channel and adjacent channel interference, and noise. Fading causes a very low instantaneous received signal-to-noise ratio (SNR) or carrier-to-noise ratio (CNR) when the channel exhibits a deep fade, delay spread causes intersymbol interference (ISI) between the transmitted symbols, and a large Doppler spread is indicative of rapid channel variation and necessitates a receiver with a fast convergent algorithm. Co-channel interference, adjacent channel interference, and noise, are all additive distortions that degrade the bit error rate performance by reducing the CNR or SNR.


Fading Channel Error Probability Rayleigh Fading Channel Maximal Ratio Combine Additive White Gaussian Noise Channel 
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Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • Gordon L. Stüber
    • 1
  1. 1.Georgia Institute of TechnologyUSA

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