Chapter 13Channel Models

Much of the effort and innovation in the design of wireless communications systems is specifically directed toward improving the performance of these systems through channels that tend to otherwise degrade performance. The ability to effectively model these channels is crucial for successful evaluation of system performance via simulation. Some channels, such as the binary symmetric channel or those involving hidden Markov models, are defined directly in terms of how they introduce errors into a digital data stream. Other channels, such as the ionospheric phase channel, discrete multipath channel, and Rayleigh fading channel, are defined in terms of the degradations they introduce into the RF Signal, with these degradations ...

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