Chapter 15. Discrete Channel Models
In this chapter we take a distinctly different approach to the problem of channel modeling. In our previous work, the channel was defined in terms of the noise, interference, and other disturbances that combine with the transmitted signal to produce a distorted and noisy waveform at the input to the receiver. The transmitted signal, as well as the noise, interference, and other channel disturbances, were all represented by samples of waveforms. The result was a waveform-level simulation that processed data on a sample-by-sample basis. We now consider partitioning the system in a way that eliminates much of the need for simulating at the waveform level. The result is a discrete channel model in which simulations ...
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