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Dr Sidharth Jaggi, University of Bristol 
Wednesday 09 November 2022, 14:00-15:00
Communication in the presence of adversarial jamming: The curious case of the erasure channel
- đ¤ Speaker: Dr Sidharth Jaggi, University of Bristol đ Website
- đ Date & Time: Wednesday 09 November 2022, 14:00 - 15:00
- đ Venue: MR5, CMS Pavilion A
Abstract
Alice wishes to communicate with Bob, but the malicious jammer James wishes to stop this communication from occurring. What can she do? In this talk I’ll explore recent discoveries/capacity-characterizations in a variety of settings (the role of causality in James’ jamming, the role of myopicity in his observations, the interplay between these two, and the effect of rate-limited feedback). I’ll focus on one of the simplest non-trivial jamming channels—the case of a binary input channel, in which James may erase a constant fraction of transmissions—even here, interesting phenomena occur. Time permitting, I may also briefly describe generalizations to other jamming channels/scenarios.
Series This talk is part of the Information Theory Seminar series.
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