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Dense, unmanaged 802.11 deployments tempt saboteurs into launching jamming attacks by injecting malicious interference. Nowadays, jammers can be portable devices that transmit intermittently at low power in order to conserve energy. In this…

Networking and Internet Architecture · Computer Science 2009-06-18 Konstantinos Pelechrinis , Ioannis Broustis , Srikanth V. Krishnamurthy , Christos Gkantsidis

The physical-layer security issue in the multiple non-regenerative wireless-powered relay (WPR) networks is investigated in this letter, where the idle relay is treated as a potential eavesdropper. To guarantee secure communication, the…

Information Theory · Computer Science 2015-07-08 Mingxiong Zhao , Xiangfeng Wang , Suili Feng

Wireless communications are vulnerable against radio frequency (RF) jamming which might be caused either intentionally or unintentionally. A particular subset of wireless networks, vehicular ad-hoc networks (VANET) which incorporate a…

Cryptography and Security · Computer Science 2019-01-01 Dimitrios Kosmanos , Dimitrios Karagiannis , Antonios Argyriou , Spyros Lalis , Leandros Maglaras

This paper considers peer-to-peer scheduling for a network with multiple wireless devices. A subset of the devices are mobile users that desire specific files. Each user may already have certain popular files in its cache. The remaining…

Networking and Internet Architecture · Computer Science 2012-02-22 Michael J. Neely

In this paper, wireless power transfer and cooperative jamming (CJ) are combined to enhance physical security in public transportation networks. First, a new secure system model with both fixed and mobile jammers is proposed to guarantee…

Cryptography and Security · Computer Science 2018-05-03 Linqing Gui , Feifei Bao , Xiaobo Zhou , Chunhua Yu , Feng Shu , Jun Li

In this paper, we study jamming attacks against wireless networks. Specifically, we consider a network of base stations (BS) or access points (AP) and investigate the impact of a fixed number of jammers that are randomly deployed according…

Information Theory · Computer Science 2016-11-17 SaiDhiraj Amuru , Harpreet S. Dhillon , R. Michael Buehrer

With the advancement of communication, the spectrum shortage problem becomes a serious problem for future generations. The cognitive radio technology is proposed to address this concern. In cognitive radio networks, the secondary users can…

Cryptography and Security · Computer Science 2019-12-30 Ehsan Meamari , Khadijeh Afhamisisi , Hadi Shahriar Shahhoseini

We propose the use of adversarial wireless jamming to regularise the latent space of an autoencoder to match a diagonal Gaussian distribution. We consider the minimisation of a mean squared error distortion, where a jammer attempts to…

Machine Learning · Computer Science 2025-12-03 Waleed El-Geresy , Deniz Gündüz

Efficient utilization of licensed spectrum in the cognitive radio network is challenging due to lack of coordination among the Secondary Users (SUs). Distributed algorithms proposed in the literature aim to maximize the network throughput…

Signal Processing · Electrical Eng. & Systems 2018-11-19 Suneet Sawant , Rohit Kumar , Manjesh K. Hanawal , Sumit J. Darak

We consider the problem of secure communications over the two-way wiretap channel under a strong secrecy criterion. We improve existing results by developing an achievable region based on strategies that exploit both the interference at the…

Information Theory · Computer Science 2015-03-17 Alexandre J. Pierrot , Matthieu R. Bloch

We consider the transfer of time-sensitive information in next-generation (NextG) communication systems in the presence of a deep learning based eavesdropper capable of jamming detected transmissions, subject to an average power budget. A…

Information Theory · Computer Science 2024-10-11 Maice Costa , Yalin E. Sagduyu

The accelerating penetration of physical environments by objects with information processing and wireless communication capabilities requires approaches to find potential communication partners and discover services. In the present work, we…

Networking and Internet Architecture · Computer Science 2018-07-17 Niels Karowski , Konstantin Miller , Adam Wolisz

In this paper, we are concerned with the problem of estimating the speed of an RF jammer that moves towards a group/platoon of moving wireless communicating nodes. In our system model, the group of nodes receives an information signal from…

Signal Processing · Electrical Eng. & Systems 2020-04-22 Dimitrios Kosmanos , Savvas Chatzisavvas , Antonios Argyriou , Leandros Maglaras

This paper considers a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. In particular, we focus on secure communication in the presence of passive eavesdroppers and…

Information Theory · Computer Science 2016-11-15 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

In this letter, we investigate the security of a single-antenna rechargeable source node in the presence of a multi-antenna rechargeable cooperative jammer and a potential single-antenna eavesdropper. The batteries at the legitimate…

Networking and Internet Architecture · Computer Science 2016-12-20 Ahmed El Shafie , Dusit Niyato , Naofal Al-Dhahir

Designing efficient channel access schemes for wireless communications without any prior knowledge about the nature of environments has been a very challenging issue, especially when the channel states distribution of all spectrum resources…

Networking and Internet Architecture · Computer Science 2016-11-17 Pan Zhou , Tao Jiang

We propose a simple yet efficient scheme for a set of energy-harvesting sensors to establish secure communication with a common destination (a master node). An eavesdropper attempts to decode the data sent from the sensors to their common…

Networking and Internet Architecture · Computer Science 2016-12-26 Ahmed El Shafie , Naofal Al-Dhahir

Satellites are becoming exceedingly critical for communication, making them prime targets for cyber-physical attacks. We consider a rogue satellite in low Earth orbit that jams the uplink communication between another satellite and a ground…

Systems and Control · Electrical Eng. & Systems 2025-12-17 Filippos Fotiadis , Quentin Rommel , Brian M. Sadler , Ufuk Topcu

This paper investigates reliable and covert transmission strategies in a multiple-input multiple-output (MIMO) wiretap channel with a transmitter, receiver and an adversarial wiretapper, each equipped with multiple antennas. In a departure…

Information Theory · Computer Science 2016-11-15 Amitav Mukherjee , A. Lee Swindlehurst

We consider a general class of low complexity distributed scheduling algorithms in wireless networks, maximal scheduling with priorities, where a maximal set of transmitting links in each time slot are selected according to certain…

Information Theory · Computer Science 2011-12-05 Qiao Li , Rohit Negi
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