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cs.IT2025
Switched Feedback for the Multiple-Access Channel
Oliver Kosut, Michael Langberg, Michelle Effros
A mechanism called switched feedback is introduced; under switched feedback, each channel output goes forward to the receiver(s) or back to the transmitter(s) but never both. By st…
cs.IT2024
Third-order Analysis of Channel Coding in the Small-to-Moderate Deviations Regime
Recep Can Yavas, Victoria Kostina, Michelle Effros
This paper studies the third-order characteristic of nonsingular discrete memoryless channels and the Gaussian channel with a maximal-power constraint. The third-order term in our…
cs.IT2024
Characterizing positive-rate key-cast (and multicast network coding) with eavesdropping nodes
Michael Langberg, Michelle Effros
In multi-source multi-terminal key-dissemination, here called ``key-cast,'' introduced by the authors in [ITW2022], network nodes hold independent random bits, and one seeks a comm…