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Reliable Transmission in Broadcast Networks

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Reliable transmission in the internet is easy: the receiver simply requests retransmission of lost packets. What about networks where receivers can’t tell us which packets got lost/corrupted? This talk will explore a class of error correcting codes that provide a surprisingly effective solution to this problem.

Starting from a naive repetition based code we will analyse why it fails and use this insight to build successively better codes before reaching something with real world usability.

This talk is part of the Churchill CompSci Talks series.

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