Abstract
AbstractThe performance of a communication system that operates over a binary‐input, output‐symmetric memoryless channel and employs a convolutional error correcting code is usually evaluated by applying the union bound to the node error and the bit error probabilities. These bounds depend on the probability that an incorrect path on the code trellis accumulates a larger metric than the correct path. The paper presents an easy method to compute this pairwise error probability that is applicable to the significant case of a Viterbi decoder that uses a finite set of integer branch metrics.
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