In state G the probability of transmitting a bit correctly is k and in state B it is h. It is based on a Markov chain with two states G (for good or gap) and B (for bad or burst). Elliott that is widely used for describing burst error patterns in transmission channels and enables simulations of the digital error performance of communications links. The Gilbert–Elliott model is a simple channel model introduced by Edgar Gilbert and E. The parameter m should be specified when describing an error burst. The last symbol in a burst and the first symbol in the following burst are accordingly separated by m correct symbols or more. The integer parameter m is referred to as the guard band of the error burst. In telecommunication, a burst error or error burst is a contiguous sequence of symbols, received over a communication channel, such that the first and last symbols are in error and there exists no contiguous subsequence of m correctly received symbols within the error burst.
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