Finite State Channels
So far we have been somewhat vague about how to describe a channel mathematically. In this section we shall clarify this matter and develop some results about finite state channels. Unfortunately, relatively little is known about such channels except for some very general results that are rather hard to apply so we shall raise more questions than we shall answer. We shall restrict ourselves here to discrete channels to avoid fussing about numerous mathematical details that only obscure one’s vision.
KeywordsMutual Information Fading Channel Input Sequence Code Word Output Sequence
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