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Radio frequency wireless power transfer (WPT) enables charging low-power mobile devices without relying on wired infrastructure. Current existing WPT systems are typically designed assuming far-field propagation, where the radiated energy…

Signal Processing · Electrical Eng. & Systems 2021-10-12 Haiyang Zhang , Nir Shlezinger , Francesco Guidi , Davide Dardari , Mohammadreza F Imani , Yonina C Eldar

A multi-way communication network with three nodes and a relay is considered. The three nodes in this so-called Y-channel, communicate with each other in a bi-directional manner via the relay. Studying this setup is important due to its…

Information Theory · Computer Science 2012-07-03 Anas Chaaban , Aydin Sezgin

Localized communication in swarms has been shown to increase swarm effectiveness in some situations by allowing for additional opportunities for cooperation. However, communication and utilization of potentially outdated information is also…

Robotics · Computer Science 2019-06-05 Nathan White , John Harwell , Maria Gini

We present a biologically inspired design for swarm foraging based on ant's pheromone deployment, where the swarm is assumed to have very restricted capabilities. The robots do not require global or relative position measurements and the…

Robotics · Computer Science 2021-09-10 Steven Adams , Daniel Jarne Ornia , Manuel Mazo

This letter proposes an analytical framework to evaluate the coverage performance of a cellular-connected unmanned aerial vehicle (UAV) network in which UAV user equipments (UAV-UEs) are equipped with directional antennas and move according…

Networking and Internet Architecture · Computer Science 2023-01-05 Hongguang Sun , Chao Ma , Linyi Zhang , Jiahui Li , Xijun Wang , Shuqin Li , Tony Q. S. Quek

In this paper the problem of information dissemination in Mobile Ad-hoc Networks (MANET) is studied. The problem is to disseminate a piece of information, initially held by a distinguished source node, to all nodes in a set defined by some…

Data Structures and Algorithms · Computer Science 2011-06-01 Martin Farach-Colton , Antonio Fernandez Anta , Alessia Milani , Miguel A. Mosteiro , Shmuel Zaks

A simple method is proposed for use in a scenario involving a single-antenna source node communicating with a destination node that is equipped with two antennas via multiple single-antenna relay nodes, where each relay is subject to an…

Information Theory · Computer Science 2024-10-30 Elad Domanovitz , Uri Erez

Reconfigurable intelligent surfaces (RISs) have recently gained significant interest as an emerging technology for future wireless networks. This paper studies an RIS-assisted propagation environment, where a single-antenna source transmits…

Information Theory · Computer Science 2021-10-27 Trinh Van Chien , Lam Thanh Tu , Dinh-Hieu Tran , Hieu Van Nguyen , Symeon Chatzinotas , Marco Di Renzo , Björn Ottersten

In this paper, we propose an intermittent communication framework for mobile robot networks. Specifically, we consider robots that move along the edges of a connected mobility graph and communicate only when they meet at the nodes of that…

Multiagent Systems · Computer Science 2016-09-23 Yiannis Kantaros , Michael M. Zavlanos

We investigate the possibility of directing optical emissions using a Yagi-Uda antenna composed of a finite linear array of nanoparticles. The relevant parameters characterizing the plasma resonances of the nanoparticles are identified and…

Mesoscale and Nanoscale Physics · Physics 2007-07-09 Holger F. Hofmann , Terukazu Kosako , Yutaka Kadoya

We today live in the era of dynamic and mobile wireless enabled platforms. This kind of stringent communication capability in the face of volatile and turbulent mobility demands a fresh look at physical layer in general and antenna design…

Networking and Internet Architecture · Computer Science 2016-02-08 Malay Ranjan Tripathy , Priya Ranjan

In decentralized multi-robot navigation, ensuring safe and efficient movement with limited environmental awareness remains a challenge. While robots traditionally navigate based on local observations, this approach falters in complex…

Robotics · Computer Science 2024-06-27 Senthil Hariharan Arul , Amrit Singh Bedi , Dinesh Manocha

Six-dimensional movable antenna (6DMA) is a new and revolutionary technique that fully exploits the wireless channel spatial variations at the transmitter/receiver by flexibly adjusting the three-dimensional (3D) positions and/or 3D…

Due to the recent developments in the field of full-duplex radios and cognitive radios, a new class of reactive jamming attacks has gained attention wherein an adversary transmits jamming energy over the victim's frequency band and also…

Information Theory · Computer Science 2025-04-16 Soumita Hazra , J. Harshan

In recent times, various distributed optimization algorithms have been proposed for whose specific agent dynamics global optimality and convergence is proven. However, there exist no general conditions for the design of such algorithms. In…

Optimization and Control · Mathematics 2025-03-14 Pol Jane-Soneira , Charles Muller , Felix Strehle , Sören Hohmann

Directional modulation and artificial noise (AN)-based methods have been widely employed to achieve physical-layer security (PLS). However, these approaches can only achieve angle-dependent secure transmission. This paper presents an…

Signal Processing · Electrical Eng. & Systems 2024-07-19 Bin Qiu , Wenchi Cheng , Wei Zhang

Future 6G networks will interconnect not only devices, but autonomous machines that continuously sense, reason, and act. In such environments, communication can no longer be understood solely as delivering bits or even preserving semantic…

Multiagent Systems · Computer Science 2026-02-23 Hyowoon Seo , Joonho Seon , Jin Young Kim , Mehdi Bennis , Wan Choi , Dong In Kim

Collaborative navigation of heterogeneous robots in unknown environments poses significant challenges due to sensing, communication, and computational limitations. In this work, a lead robot navigates toward a target while a mobile sensor…

Robotics · Computer Science 2026-05-27 Evangelos Psomiadis , Dipankar Maity , Panagiotis Tsiotras

Humanoid robots dynamically navigate an environment by interacting with it via contact wrenches exerted at intermittent contact poses. Therefore, it is important to consider dynamics when planning a contact sequence. Traditional contact…

Robotics · Computer Science 2019-03-04 Yu-Chi Lin , Brahayam Ponton , Ludovic Righetti , Dmitry Berenson

Using multimodal sensory data can enhance communications systems by reducing the overhead and latency in beam training. However, processing such data incurs high computational complexity, and continuous sensing results in significant power…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Abolfazl Zakeri , Nhan Thanh Nguyen , Ahmed Alkhateeb , Markku Juntti