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Sensor placement optimization methods have been studied extensively. They can be applied to a wide range of applications, including surveillance of known environments, optimal locations for 5G towers, and placement of missile defense…

机器学习 · 计算机科学 2024-05-22 Lukas Taus , Yen-Hsi Richard Tsai

Decentralized control of mobile robotic sensor networks is a fundamental problem in robotics that has attracted intensive research in recent decades. Most of the existing works dealt with two-dimensional spaces. This report is concerned…

最优化与控制 · 数学 2016-06-02 Vali Nazarzehi

Nodes in ad hoc networks with randomly oriented directional antenna patterns typically have fewer short links and more long links which can bridge together otherwise isolated subnetworks. This network feature is known to improve overall…

信息论 · 计算机科学 2017-06-29 Orestis Georgiou , Carl P. Dettmann , Justin P. Coon

This paper investigates the localization problem of a network in 2-D and 3-D spaces given the positions of anchor nodes in a global frame and inter-node relative measurements in local coordinate frames. It is assumed that the local frames…

系统与控制 · 电气工程与系统科学 2023-12-20 Xu Fang , Xiaolei Li , Lihua Xie

Satellite networks are promising to provide ubiquitous and high-capacity global wireless connectivity. Traditionally, satellite networks are modeled by placing satellites on a grid of multiple circular orbit geometries. Such a network…

信息论 · 计算机科学 2022-08-10 Jeonghun Park , Jinseok Choi , Namyoon Lee

What is the dimension of a network? Here, we view it as the smallest dimension of Euclidean space into which nodes can be embedded so that pairwise distances accurately reflect the connectivity structure. We show that a recently proposed…

社会与信息网络 · 计算机科学 2023-06-27 Peter Grindrod , Desmond John Higham , Henry-Louis de Kergorlay

In the recent years, there has been a huge advancement in wireless sensor computing technology. Today, wireless sensor network (WSN) has become a key technology for different types of smart environment. Nodes localization in WSN has arisen…

网络与互联网体系结构 · 计算机科学 2016-06-24 Biljana Risteska Stojkoska

Sharing radar spectrum with communication systems is an emerging area of research. Deploying commercial wireless communication services in radar bands give wireless operators the much needed additional spectrum to meet the growing bandwidth…

信息论 · 计算机科学 2015-06-09 Awais Khawar , Ahmed Abdelhadi , T. Charles Clancy

This paper considers the problem of estimating the position and orientation of a user equipped with a three-dimensional (3D) array receiving downlink far-field THz signals from multiple base stations with known positions and orientations.…

信号处理 · 电气工程与系统科学 2022-09-20 Pinjun Zheng , Tarig Ballal , Hui Chen , Henk Wymeersch , Tareq Y. Al-Naffouri

The enabling of safe cellular controlled unmanned aerial vehicle (UAV) beyond visual line of sight is expected to open important future opportunities in the area of transportation, goods delivery, and system monitoring. A key challenge in…

信息论 · 计算机科学 2019-11-05 Omid Esrafilian , Rajeev Gangula , David Gesbert

In this paper, an efficient deployment strategy is proposed for a network of mobile and static sensors with nonidentical sensing and communication radii. The multiplicatively weighted Voronoi (MW-Voronoi) diagram is used to partition the…

系统与控制 · 电气工程与系统科学 2023-09-19 Hesam Mosalli , Amir G. Aghdam

The scarcity of spectrum resources in current wireless communication systems has sparked enormous research interest in the terahertz (THz) frequency band. This band is characterized by fundamentally different propagation properties…

信号处理 · 电气工程与系统科学 2020-04-17 Akram Shafie , Nan Yang , Zhuo Sun , Salman Durrani

This letter presents a unified analytical framework for internodal distance distributions in 2D and 3D wireless networks, with nodes confined to concentric circular or spherical regions. Four deployment scenarios are considered, covering…

信号处理 · 电气工程与系统科学 2026-03-05 Nicholas Vaiopoulos , Alexander Vavoulas , Harilaos G. Sandalidis , Konstantinos K. Delibasis , Dimitris Varoutas

It is shown that a greedy orthogonal access scheme achieves the sum degrees of freedom of all one-dimensional (all nodes placed along a straight line) convex cellular networks (where cells are convex regions) when no channel knowledge is…

信息论 · 计算机科学 2013-05-10 Hamed Maleki , Syed A. Jafar

The interference at a wireless node s can be modelled by the number of wireless nodes whose transmission ranges cover s. Given a set of positions for wireless nodes, the interference minimization problem is to assign a transmission radius…

计算几何 · 计算机科学 2011-11-30 Majid Khabbazian , Stephane Durocher , Alireza Haghnegahdar

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

信息论 · 计算机科学 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

Nodes in contemporary radio networks often have multiple interfaces available for communication: WiFi, cellular, LoRa, Zigbee, etc. This motivates understanding both link and network configuration when multiple communication modalities with…

信号处理 · 电气工程与系统科学 2025-01-10 Amna Gillani , Beatriz Lorenzo , Majid Ghaderi , Fikadu Dagefu , Dennis Goeckel

Unmanned aerial vehicles (UAVs) can be users that support new applications, or be communication access points that serve terrestrial and/or aerial users. In this paper, we focus on the connectivity problem of aerial users when they are…

信号处理 · 电气工程与系统科学 2020-08-24 Nesrine Cherif , Wael Jaafar , Halim Yanikomeroglu , Abbas Yongacoglu

We study a heterogeneous two-tier wireless sensor network in which N heterogeneous access points (APs) collect sensing data from densely distributed sensors and then forward the data to M heterogeneous fusion centers (FCs). This…

信息论 · 计算机科学 2020-10-23 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

The recent reconstruction of the Drosophila brain provides a neural network of unprecedented size and level of details. In this work, we study the geometrical properties of this system by applying network embedding techniques to the graph…

物理与社会 · 物理学 2026-02-19 Bendegúz Sulyok , Sámuel G. Balogh , Gergely Palla