English

On the Interactive Capacity of Finite-State Protocols

Information Theory 2021-02-03 v1 math.IT

Abstract

The interactive capacity of a noisy channel is the highest possible rate at which arbitrary interactive protocols can be simulated reliably over the channel. Determining the interactive capacity is notoriously difficult, and the best known lower bounds are far below the associated Shannon capacity, which serves as a trivial (and also generally the best known) upper bound. This paper considers the more restricted setup of simulating finite-state protocols. It is shown that all two-state protocols, as well as rich families of arbitrary finite-state protocols, can be simulated at the Shannon capacity, establishing the interactive capacity for those families of protocols.

Keywords

Cite

@article{arxiv.2001.00499,
  title  = {On the Interactive Capacity of Finite-State Protocols},
  author = {Assaf Ben-Yishai and Young-Han Kim and Rotem Oshman and Ofer Shayevitz},
  journal= {arXiv preprint arXiv:2001.00499},
  year   = {2021}
}

Comments

arXiv admin note: text overlap with arXiv:1908.07367

R2 v1 2026-06-23T13:01:31.130Z