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This paper develops a new communication strategy, ergodic interference alignment, for the K-user interference channel with time-varying fading. At any particular time, each receiver will see a superposition of the transmitted signals plus…

Information Theory · Computer Science 2012-06-19 Bobak Nazer , Michael Gastpar , Syed A. Jafar , Sriram Vishwanath

In multi-user information theory it is often assumed that every node in the network possesses all codebooks used in the network. This assumption may be impractical in distributed ad-hoc, cognitive or heterogeneous networks. This work…

Information Theory · Computer Science 2014-10-03 Alex Dytso , Daniela Tuninetti , Natasha Devroye

We identify a unifying measure for stochastic resonance (SR) in voltage dependent ion channels which comprises periodic (conventional), aperiodic and nonstationary SR. Within a simplest setting, the gating dynamics is governed by two-state…

Statistical Mechanics · Physics 2009-10-31 Igor Goychuk , Peter Hanggi

In this paper, an achievable $\eta$-Nash equilibrium ($\eta$-NE) region for the two-user Gaussian interference channel with noisy channel-output feedback is presented for all $\eta \geqslant 1$. This result is obtained in the scenario in…

Information Theory · Computer Science 2018-09-20 Victor Quintero , Samir M. Perlaza , Jean-Marie Gorce , H. Vincent Poor

This paper considers a system where one transmitter broadcasts a single common message to two receivers linked by a bidirectional cooperation channel, which is assumed to be orthogonal to the downlink channel. Assuming a simplified setup…

Information Theory · Computer Science 2010-11-23 E. V. Belmega , B. Djeumou , S. Lasaulce

We determine conditions for the presence of stochastic resonance in a lossy bosonic channel with a nonlinear, threshold decoding. The stochastic resonance effect occurs if and only if the detection threshold is outside of a "forbidden…

Quantum Physics · Physics 2013-01-14 Cosmo Lupo , Stefano Mancini , Mark M. Wilde

In an M x N interference network, there are M transmitters and N receivers with each transmitter having independent messages for each of the 2^N -1 possible non-empty subsets of the receivers. We consider the 2 x 2 interference network with…

Information Theory · Computer Science 2016-12-26 Murali Sridhar , Srikrishna Bhashyam

This paper provides comprehensive coding and outer bound for the half-duplex multiple access channel with generalized feedback (MAC-GF). Two users communicate with one destination over a discrete memoryless channel using time division. Each…

Information Theory · Computer Science 2011-08-02 Ahmad Abu Al Haija , Mai Vu

This paper considers the problem of secret communication over a two-receiver multiple-input multiple-output (MIMO) Gaussian broadcast channel. The transmitter has two independent messages, each of which is intended for one of the receivers…

Information Theory · Computer Science 2009-03-24 Ruoheng Liu , Tie Liu , H. Vincent Poor , Shlomo Shamai

We study the problem of secure transmission over a Gaussian multi-input single-output (MISO) two receiver channel with an external eavesdropper, under the assumption that the state of the channel which is available to each receiver is…

Information Theory · Computer Science 2016-03-25 Zohaib Hassan Awan , Abdellatif Zaidi , Aydin Sezgin

In this paper, the Gaussian many-to-one X channel, which is a special case of general multiuser X channel, is studied. In the Gaussian many-to-one X channel, communication links exist between all transmitters and one of the receivers, along…

Information Theory · Computer Science 2016-11-17 Ranga Prasad , Srikrishna Bhashyam , A. Chockalingam

This paper studies the transceiver design of the Gaussian two-pair two-way relay channel (TWRC), where two pairs of users exchange information through a common relay in a pairwise manner. Our main contribution is to show that the capacity…

Information Theory · Computer Science 2018-06-01 Xiaojun Yuan , Haiyang Xin , Soung-Chang Liew , Yong Li

We study the transmission of a set of correlated sources $(U_1,\cdots,U_K)$ over a Gaussian multiple access relay channel with time asynchronism between the encoders. We assume that the maximum possible offset ${\mathsf{d_{max}}}(n)$…

Information Theory · Computer Science 2014-08-11 Hamidreza Ebrahimzadeh Saffar , Masoud Badiei Khuzani , Patrick Mitran

The interference channel with common information (IC-CI) consists of two transmit-receive pairs that communicate over a common noisy medium. Each transmitter has an individual message for its paired receiver, and additionally, both…

Information Theory · Computer Science 2012-03-01 Chinmay S. Vaze , Mahesh K. Varanasi

The key contribution of this work is to develop transmitter and receiver algorithms in discrete-time for turbo- coded offset QPSK signals. The proposed synchronization and detection techniques perform effectively at an SNR per bit close to…

Information Theory · Computer Science 2015-10-27 K. Vasudevan

In a multi-user channel, completion time refers to the number of channel uses required for users, each with some given fixed bit pool, to complete the transmission of all their data bits. This paper extends the information theoretic…

Information Theory · Computer Science 2011-10-04 Yuanpeng Liu , Elza Erkip

We consider a signaling format where the information to be communicated from one or multiple transmitters to a receiver is modulated via a superposition of independent data streams. Each data stream is formed by error-correction encoding,…

Information Theory · Computer Science 2018-06-18 Dmitri Truhachev , Christian Schlegel

This paper considers a variation of the classical two-user interference channel where the communication of two interfering source-destination pairs is aided by an additional node that has a priori knowledge of the messages to be…

Information Theory · Computer Science 2014-09-09 Alex Dytso , Stefano Rini , Natasha Devroye , Daniela Tuninetti

In this paper we introduce the two-user asynchronous cognitive multiple access channel (ACMAC). This channel model includes two transmitters, an uninformed one, and an informed one which knows prior to the beginning of a transmission the…

Information Theory · Computer Science 2016-08-10 Michal Yemini , Anelia Somekh-Baruch , Amir Leshem

Although user cooperation cannot improve the capacity of Gaussian two-way channels (GTWCs) with independent noises, it can improve communication reliability. In this work, we aim to enhance and balance the communication reliability in GTWCs…

Information Theory · Computer Science 2025-04-24 Junghoon Kim , Taejoon Kim , Anindya Bijoy Das , Seyyedali Hosseinalipour , David J. Love , Christopher G. Brinton