Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

International Conference on Modern Problems of Radio Engineering, Telecommunications and Computer Science

Gaussian wiretap channel with collaborative wiretappers

Voloshynovskiy, Holotyak, Prudyus

Published Jan 1, 2012• 0 citations
OpenAlex

Related papers

Gaussian wiretap channel with collaborative wiretappers

Slava Voloshynovskiy, Taras Holotyak, Ivan Prudyus

Abstract—In this paper, we consider the compound wiretap channel with collaborative wiretappers. Contrarily to [1], where the wiretappers act independently, we analyze the setup when the wiretappers form a coalition, which shares the observed data within the coalition. The goal of coalition consists in learning the secret message communicated to the legitimate user by sharing their observations to produce the best possible estimate thus benefiting from available redundancy. We analyze the secrecy capacity for the Gaussian data and correlated observations. As the result, we provide the estimate of the impact of coalition of wiretappers on reduction of secrecy capacity. Index Terms—Wiretap channel, secrecy capacity, collaborative wiretappers. I.

International Conference on Modern Problems of Radio Engineering, Telecommunications and Computer Science•May 7, 2012•0 citations

On a special class of wiretap channels

S. Leung-Yan-Cheong

•Jan 1, 1976•28 citations

Multi-user and wiretap channels including feedback

S. Leung-Yan-Cheong

The concept of the wiretap channel was first proposed by Wyner. He considered the case in which data is to be transmitted reliably over a discrete memoryless main channel to a legitimate receiver. The wiretapper views the output of the main channel through another discrete memoryless channel. It is assumed that the wiretapper knows the code being used and his only handicap is the additional noise in his signal. The problem is to maximize the transmission rate R to the legitimate receiver and the equivocation d of the wiretapper. In this dissertation, the additive white Gaussian noise wiretap channel is introduced and the set of all achievable (R,d) pairs is determined explicitly through the use of certain special properties of the Gaussian channel. Some useful characterizations of a special class of wiretap channels are also explored. A model of the wiretap channel with feedback is proposed. It turns out that with the introduction of feedback, even when the main channel is inferior to the wiretapper's channel, it is still possible to reliably communicate with the legitimate receiver in complete secrecy. The binary erasure wiretap channel with feedback is examined and inner and outer bounds on the achievable (R,d) region are given. Finally, a scheme for enlarging the capacity region of multiple-access channels using feedback is analyzed. It is shown that conditions under which an enlargement is possible are fairly weak, indicating that feedback can almost increase the capacity region. (Author)

•Jan 1, 1976•19 citations

Secure Computation Over Gaussian Multiple-Access Wiretap Channels With Feedback

Han Deng, Yi Yang, Chao Qi +3 more

IEEE Transactions on Information Forensics and Security•Jan 1, 2026•0 citations

MIMO Wiretap Channel: A Scalar Approach

Mohammad Rakibul Islam, Jinsang Kim

Communications in computer and information science•Jan 1, 2009•1 citation

On the achievable rate region of a new Gaussian wiretap channel with side information

Hamid G. Bafghi, Babak Seyfe, Mahtab Mirmohseni +1 more

This paper introduces a new applicable Gaussian wiretap channel with side information. In this channel, the state of the channel to the wiretapper is separated from the main channel's one. It means that the legitimate receiver and the wiretapper are listening to the transmitted signal through the different channels with different channel states which may have some correlation to each other. The state of the main channel, is assumed to be known at the transmitter, helps the sender to encrypt its messages. The achievable equivocation-rate region for this model is drived in the Gaussian case and the results are reduced to the previous works as special cases.

IEEE Information Theory Workshop (ITW)•Sep 1, 2012•3 citations
Abstract—In this paper, we consider the compound wiretap channel with collaborative wiretappers. Contrarily to [1], where the wiretappers act independently, we analyze the setup when the wiretappers form a coalition, which shares the observed data within the coalition. The goal of coalition consists in learning the secret message communicated to the legitimate user by sharing their observations to produce the best possible estimate thus benefiting from available redundancy. We analyze the secrecy capacity for the Gaussian data and correlated observations. As the result, we provide the estimate of the impact of coalition of wiretappers on reduction of secrecy capacity. Index Terms—Wiretap channel, secrecy capacity, collaborative wiretappers. I.
The concept of the wiretap channel was first proposed by Wyner. He considered the case in which data is to be transmitted reliably over a discrete memoryless main channel to a legitimate receiver. The wiretapper views the output of the main channel through another discrete memoryless channel. It is assumed that the wiretapper knows the code being used and his only handicap is the additional noise in his signal. The problem is to maximize the transmission rate R to the legitimate receiver and the equivocation d of the wiretapper. In this dissertation, the additive white Gaussian noise wiretap channel is introduced and the set of all achievable (R,d) pairs is determined explicitly through the use of certain special properties of the Gaussian channel. Some useful characterizations of a special class of wiretap channels are also explored. A model of the wiretap channel with feedback is proposed. It turns out that with the introduction of feedback, even when the main channel is inferior to the wiretapper's channel, it is still possible to reliably communicate with the legitimate receiver in complete secrecy. The binary erasure wiretap channel with feedback is examined and inner and outer bounds on the achievable (R,d) region are given. Finally, a scheme for enlarging the capacity region of multiple-access channels using feedback is analyzed. It is shown that conditions under which an enlargement is possible are fairly weak, indicating that feedback can almost increase the capacity region. (Author)
This paper introduces a new applicable Gaussian wiretap channel with side information. In this channel, the state of the channel to the wiretapper is separated from the main channel's one. It means that the legitimate receiver and the wiretapper are listening to the transmitted signal through the different channels with different channel states which may have some correlation to each other. The state of the main channel, is assumed to be known at the transmitter, helps the sender to encrypt its messages. The achievable equivocation-rate region for this model is drived in the Gaussian case and the results are reduced to the previous works as special cases.