Real-Time Variable-to-Fixed Lossless Source Coding of Randomly Arriving Symbols

10/25/2020

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by   Uri Abend, et al.

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We address the recently suggested problem of causal lossless coding of a randomly arriving source samples. We construct variable-to-fixed coding schemes and show that they outperform the previously considered fixed-to-variable schemes when traffic is high both in terms of delay and Age of Information by appealing to tools from queueing theory. We supplement our theoretical bounds with numerical simulations.