Athanasios Papadopoulos
University of California, Los Angeles
8 Papers
26 Citations
Athanasios Papadopoulos is an academic researcher from University of California, Los Angeles. The author has contributed to research in topics: Binary erasure channel & Linear network coding. The author has an hindex of 4, co-authored 8 publications. Previous affiliations of Athanasios Papadopoulos include Aristotle University of Thessaloniki.
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Papers
Secret message capacity of a line network
Athanasios Papadopoulos,Laszlo Czap,Christina Fragouli +2 more
- 01 Sep 2014
TL;DR: In this article, the secrecy capacity of a line network with erasure channels and state feedback was investigated, and the secret message capacity when either only one of the channels is eavesdropped or all channels are wiretapped.
LP formulations for secrecy over erasure networks with feedback
Athanasios Papadopoulos,Laszlo Czap,Christina Fragouli +2 more
- 14 Jun 2015
TL;DR: In this paper, the authors proposed polynomial time schemes for secure message transmission over arbitrary networks, in the presence of an eavesdropper, and where each edge corresponds to an erasure channel with public feedback.
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LP formulations for secrecy over erasure networks with feedback
TL;DR: This work designs polynomial time schemes for secure message transmission over arbitrary networks, in the presence of an eavesdropper, and where each edge corresponds to an erasure channel with public feedback.
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Multiuser broadcast erasure channel with feedback and side information, and related index coding results
Athanasios Papadopoulos,Leonidas Georgiadis +1 more
- 01 Sep 2014
TL;DR: In this article, the authors considered the N-user broadcast erasure channel with public feedback and side information, and provided an upper bound to the capacity region of this system, when the side information is linear.
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Achievable secrecy in arbitrary erasure networks with feedback
Laszlo Czap,Athanasios Papadopoulos,Christina Fragouli +2 more
- 01 Dec 2014
TL;DR: This work presents achievability schemes for secure message transmission in the presence of a passive eavesdropper, over arbitrary networks, where each edge corresponds to an independent erasure channel and the authors have available public channel state feedback.
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