Consensus Capacity of Noisy Broadcast Channels

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We study communication with consensus over the broadcast channel - the receivers reliably decode the sender’s message when the sender is honest, and their decoder outputs agree even if the sender acts maliciously. We characterize the broadcast channels which permit this byzantine consensus and determine their capacity. Based on joint work with Neha Sangwan and Varun Narayanan.

Vinod Prabhakaran, TIFR

Vinod Prabhakaran is an Associate Professor at the School of Technology and Computer Science, Tata Institute of Fundamental Research (TIFR), Mumbai. His research interests are in information theory, cryptography, and communications.