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Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent trade off between the gains in terms of probability of detection of…

Computer Science and Game Theory · Computer Science 2016-11-17 Walid Saad , Zhu Han , Merouane Debbah , Are Hjørungnes , Tamer Başar

We consider a single-antenna Gaussian multiple-access channel (MAC) with a multiple-antenna amplify-and-forward (AF) relay, where, contrary to many previous works, also the direct links between transmitters and receiver are taken into…

Information Theory · Computer Science 2012-07-09 Frederic Knabe , Omar Mohamed , Carolin Huppert

The most important challenge in Wireless Sensor Networks (WSNs) is the energy constraint. Numerous solutions have been proposed to alleviate the issue, including clustering. Game theory is an effective decision-making tool that has been…

Networking and Internet Architecture · Computer Science 2021-04-19 M. Mehdi Afsar , Trafford Crump , Behrouz Far

In this paper a new multiple access algorithm for cognitive radio networks based on game theory is presented. We address the problem of a multiple access system where the number of users and their types are unknown. In order to do this, the…

Computer Science and Game Theory · Computer Science 2013-05-24 Oscar Filio Rodriguez , Serguei Primak , Valeri Kontorovich , Abdallah Shami

Many real-world problems require the coordination of multiple autonomous agents. Recent work has shown the promise of Graph Neural Networks (GNNs) to learn explicit communication strategies that enable complex multi-agent coordination.…

Robotics · Computer Science 2020-11-05 Jan Blumenkamp , Amanda Prorok

Public safety networks avail to disseminate information during emergency situations through its dedicated servers. Public safety networks accommodate public safety communication (PSC) applications to track the location of its utilizers and…

Networking and Internet Architecture · Computer Science 2018-04-20 Vishal Sharma , Gaurav Choudhary , Ilsun You , Jae Deok Lim , Jeong Nyeo Kim

This paper is motivated by a sensor network on a correlated field where nearby sensors share information, and can thus assist rather than interfere with one another. We consider a special class of two-user Gaussian interference channels…

Information Theory · Computer Science 2007-07-13 Wei Wu , Sriram Vishwanath , Ari Arapostathis

In this paper, we introduce two new achievable schemes for the fading multiple access wiretap channel (MAC-WT). In the model that we consider, we assume that perfect knowledge of the state of all channels is available at all the nodes in a…

Information Theory · Computer Science 2010-10-29 Raef Bassily , Sennur Ulukus

The problem of covert communication over Multiple-Input Multiple-Output (MIMO) Additive White Gaussian Noise (AWGN) channels is investigated, in which a transmitter attempts to reliably communicate with a legitimate receiver while avoiding…

Information Theory · Computer Science 2025-07-21 Shi-Yuan Wang , Matthieu R. Bloch

We study a problem of trust in a distributed system in which a common resource is shared by multiple parties. In such naturally information-limited settings, parties abide by a behavioral protocol that leads to fair sharing of the resource.…

Computer Science and Game Theory · Computer Science 2013-07-08 Christopher Griffin , George Kesidis

This paper studies system stability and performance of multi-agent systems in the context of consensus problems over wireless multiple-access channels (MAC). We propose a consensus algorithm that exploits the broadcast property of the…

Systems and Control · Computer Science 2018-04-30 Fabio Molinari , Sławomir Stańczak , Jörg Raisch

We study the two-user Gaussian multiple-input multiple-output (MIMO) broadcast channel with common and confidential messages. In this channel, the transmitter sends a common message to both users, and a confidential message to each user…

Information Theory · Computer Science 2010-03-01 Ersen Ekrem , Sennur Ulukus

This paper focuses on the issue of energy efficiency in wireless data networks through a game theoretic approach. The case considered is that in which each user is allowed to vary its transmit power, spreading code, and uplink receiver in…

Information Theory · Computer Science 2007-07-13 Stefano Buzzi , H. Vincent Poor

In this paper, the problem of seeking optimal distributed resource allocation (DRA) policies on cellular networks in the presence of an unknown malicious adding-edge attacker is investigated. This problem is described as the games of games…

Systems and Control · Electrical Eng. & Systems 2023-04-04 Yukang Cui , Xinru Yang , Tingwen Huang , Xin Gong

A game theoretic approach is used to derive the optimal decentralized power allocation (PA) in fast fading multiple access channels where the transmitters and receiver are equipped with multiple antennas. The players (the mobile terminals)…

Information Theory · Computer Science 2016-11-18 Elena Veronica Belmega , Samson Lasaulce , Merouane Debbah

This paper investigates the capacity region of a discrete memoryless (DM) multiple access wiretap (MAC-WT) channel where, besides confidential messages, the users have also open messages to transmit. All these messages are intended for the…

Information Theory · Computer Science 2020-01-14 Hao Xu , Giuseppe Caire , Cunhua Pan

In this paper, we consider the problem of wireless power control in an interference channel where transmitters aim to maximize their own benefit. When the individual payoff or utility function is derived from the transmission efficiency and…

Computer Science and Game Theory · Computer Science 2020-12-04 Sara Berri , Vineeth Varma , Samson Lasaulce , Mohammed Said Radjef

This paper studies a two-user state-dependent Gaussian multiple-access channel (MAC) with state noncausally known at one encoder. Two scenarios are considered: i) each user wishes to communicate an independent message to the common…

Information Theory · Computer Science 2017-05-05 Wei Yang , Yingbin Liang , Shlomo Shamai , H. Vincent Poor

In this paper we consider the problem of distributed channel allocation in large networks under the frequency-selective interference channel. Performance is measured by the weighted sum of achievable rates. First we present a natural…

Computer Science and Game Theory · Computer Science 2017-04-14 Ilai Bistritz , Amir Leshem

The problem of jamming on multiple-input multiple-output (MIMO) Gaussian channels is investigated in this paper. In the case of a single target legitimate signal, we show that the existing result based on the simplification of the system…

Information Theory · Computer Science 2016-03-03 Jie Gao , Sergiy A. Vorobyov , Hai Jiang
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