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Related papers: Message Authentication Code over a Wiretap Channel

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We consider the problem of polar coding for secure communications over the two-way wiretap channel, where two legitimate users communicate with each other simultaneously while a passive eavesdropper overhears a combination of their…

Information Theory · Computer Science 2017-06-23 Mengfan Zheng , Meixia Tao , Wen Chen , Cong Ling

In this paper, we consider the secrecy capacity of a wiretap channel in the presence of causal state information and secure rate-limited feedback. In this scenario, the causal state information from the channel is available to both the…

Information Theory · Computer Science 2014-08-15 Alejandro Cohen , Asaf Cohen

We study achievable rates of reliable communication in a power-constrained two-way additive interference channel over the real alphabet where communication is disrupted by a power-constrained jammer. This models the wireless communication…

Information Theory · Computer Science 2020-01-10 Yihan Zhang , Shashank Vatedka , Sidharth Jaggi

The fading cognitive multiple-access channel with confidential messages (CMAC-CM) is investigated, in which two users attempt to transmit common information to a destination and user 1 also has confidential information intended for the…

Information Theory · Computer Science 2009-12-29 Ruoheng Liu , Yingbin Liang , H. Vincent Poor

In this paper, we investigate the secure coding issue for a wiretap channel model with fixed main channel and varying wiretap channel, by assuming that legitimate parties can obtain the wiretapping channel state information (CSI) after some…

Information Theory · Computer Science 2020-01-22 Yizhi Zhao , Hongmei Chi

This study examines the use of nonsystematic channel codes to obtain secure transmissions over the additive white Gaussian noise (AWGN) wire-tap channel. Unlike the previous approaches, we propose to implement nonsystematic coded…

Information Theory · Computer Science 2013-08-30 Marco Baldi , Marco Bianchi , Franco Chiaraluce

This paper studies a memoryless state-dependent multiple access channel (MAC) where two transmitters wish to convey a message to a receiver under the assumption of causal and imperfect channel state information at transmitters (CSIT) and…

Information Theory · Computer Science 2021-06-18 Lorenzo Miretti , Mari Kobayashi , David Gesbert , Paul de Kerret

We design and assess some practical low-density parity-check (LDPC) coded transmission schemes for the Gaussian broadcast channel with confidential messages (BCC). This channel model is different from the classical wiretap channel model as…

Information Theory · Computer Science 2016-11-15 Marco Baldi , Nicola Maturo , Giacomo Ricciutelli , Franco Chiaraluce

A new channel coding approach was proposed in [1] for random multiple access communication over the discrete-time memoryless channel. The coding approach allows users to choose their communication rates independently without sharing the…

Information Theory · Computer Science 2016-11-15 Zheng Wang , Jie Luo

This paper develops a new physical layer framework for secure two-way wireless communication in the presence of a passive eavesdropper, i.e., Eve. Our approach achieves perfect information theoretic secrecy via a novel randomized scheduling…

Information Theory · Computer Science 2009-08-27 Aly El Gamal , Moustafa Youssef , Hesham El Gamal

In this paper, we propose a polar coding scheme for secure communication over the multiple-input, single-output, single-antenna eavesdropper (MISOSE) fading channel. We consider the case of block fading channels with known eavesdropper…

Information Theory · Computer Science 2014-11-11 Mengfan Zheng , Meixia Tao , Wen Chen

The design of robust wireless communication systems for industrial applications such as closed loop control processes has been considered manifold recently. Additionally, the ongoing advances in the area of connected mobility have similar…

Networking and Internet Architecture · Computer Science 2017-11-15 Andreas Weinand , Michael Karrenbauer , Raja Sattiraju , Hans D. Schotten

Lattice codes used under the Compute-and-Forward paradigm suggest an alternative strategy for the standard Gaussian multiple-access channel (MAC): The receiver successively decodes integer linear combinations of the messages until it can…

Information Theory · Computer Science 2016-11-17 Jingge Zhu , Michael Gastpar

We consider the problem of communicating information over a network secretly and reliably in the presence of a hidden adversary who can eavesdrop and inject malicious errors. We provide polynomial-time, rate-optimal distributed network…

Networking and Internet Architecture · Computer Science 2010-04-27 Hongyi Yao , Danilo Silva , Sidharth Jaggi , Michael Langberg

The secrecy capacity of a network, for a given collection of permissible wiretap sets, is the maximum rate of communication such that observing links in any permissible wiretap set reveals no information about the message. This paper…

Information Theory · Computer Science 2016-11-17 Tao Cui , Tracey Ho , Joerg Kliewer

A new achievability rate region for the secure discrete memoryless Multiple-Access-Channel (MAC) is presented. Thereafter, a novel secure coding scheme is proposed to achieve a positive Secure Degrees-of-Freedom (S-DoF) in the…

Information Theory · Computer Science 2010-01-13 Ghadamali Bagherikaram , Abolfazl S. Motahari , Amir K. Khandani

Several simple yet secure protocols to authenticate the quantum channel of various QKD schemes, by coupling the photon sender's knowledge of a shared secret and the QBER Bob observes, are presented. It is shown that Alice can encrypt…

Quantum Physics · Physics 2007-05-23 J. T. Kosloski

In this work, we present a new simple way to encode/decode messages transmitted via a noisy channel and protected against errors by the Hamming method. We also propose a fast and efficient algorithm for the encoding and the decoding process…

Information Theory · Computer Science 2022-01-07 Omar Khadir

A secret-key generation scheme based on a layered broadcasting strategy is introduced for slow-fading channels. In the model considered, Alice wants to share a key with Bob while keeping the key secret from Eve, who is a passive…

Information Theory · Computer Science 2011-03-17 Xiaojun Tang , Ruoheng Liu , Predrag Spasojevic , H. Vincent Poor

In the model that has become known as "Perfectly Secure Message Transmission"(PSMT), a sender Alice is connected to a receiver Bob through n parallel two-way channels. A computationally unbounded adversary Eve controls t of these channels,…

Cryptography and Security · Computer Science 2016-08-08 Gabriele Spini , Gilles Zémor