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Location privacy is one of the major security problems in a Wireless Body Area Networks (WBANs). An eavesdropper can keep track of the place and time devices are communicating. To make things even worse, the attacker does not have to be…

密码学与安全 · 计算机科学 2011-03-18 Mohammed Mana , Mohammed Feham , Boucif Amar Bensaber

A wireless sensor network (WSN) consists of multiple wireless sensor nodes that communicate each other to fulfill a particular task. In this paper, we emphasize on the networks whose deployments admit lower dimensional substructures, such…

网络与互联网体系结构 · 计算机科学 2017-12-08 Onur Çağırıcı

We address the problem of localizing non-collaborative WiFi devices in a large region. Our main motive is to localize humans by localizing their WiFi devices, e.g. during search-and-rescue operations after a natural disaster. We use an…

人工智能 · 计算机科学 2015-10-15 Mattia Carpin , Stefano Rosati , Mohammad Emtiyaz Khan , Bixio Rimoldi

Wireless Sensor Networks (WSNs) are composed of nodes that gather metrics like temperature, pollution or pressure from events generated by external entities. Localization in WSNs is paramount, given that the collected metrics must be…

网络与互联网体系结构 · 计算机科学 2013-06-11 Luis Sanabria-Russo , Cristina Cano , Boris Bellalta

In terrestrial communication networks without fixed infrastructure, unmanned aerial vehicle (UAV)-mounted mobile base stations (MBSs) provide an efficient solution to achieve wireless connectivity. This letter aims to minimize the number of…

信息论 · 计算机科学 2016-12-06 Jiangbin Lyu , Yong Zeng , Rui Zhang , Teng Joon Lim

Current and future wireless applications strongly rely on precise real-time localization. A number of applications such as smart cities, Internet of Things (IoT), medical services, automotive industry, underwater exploration, public safety,…

信号处理 · 电气工程与系统科学 2019-06-11 Nasir Saeed , Haewoon Nam , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

A fundamental problem in wireless sensor networks is to connect a given set of sensors while minimizing the \emph{receiver interference}. This is modeled as follows: each sensor node corresponds to a point in $\mathbb{R}^d$ and each…

计算几何 · 计算机科学 2014-07-01 Yves Brise , Kevin Buchin , Dustin Eversmann , Michael Hoffmann , Wolfgang Mulzer

The need for a rapid-to-deploy solution for providing wireless cellular services can be realized by unmanned aerial vehicle base stations (UAV-BSs). To the best of our knowledge, this letter is the first in literature that studies a novel…

信息论 · 计算机科学 2017-09-18 Mohamed Alzenad , Amr El-Keyi , Halim Yanikomeroglu

This work reports experiences on using radio ranging to position sensors in a grid topology. The implementation is simple, efficient, and could be practically distributed. The paper describes an implementation and experimental result based…

分布式、并行与集群计算 · 计算机科学 2007-05-23 Chen Zhang , Ted Herman

Accurate and reliable localization is crucial for various wireless communication applications. Numerous studies have proposed accurate localization methods using hybrid received signal strength (RSS) and angle of arrival (AOA) measurements.…

信号处理 · 电气工程与系统科学 2023-07-25 Weizhong Ding , Shengming Chang , Shudi Bao

Recently, it has been shown that the max flow capacity can be achieved in a multicast network using network coding. In this paper, we propose and analyze a more realistic model for wireless random networks. We prove that the capacity of…

信息论 · 计算机科学 2008-11-11 Salah A. Aly , Vishal Kapoor , Jie Meng , Andreas Klappenecker

This white paper describes a proposed article that will aim to provide a thorough study of the evolution of the typical paradigm of wireless localization (WL), which is based on a single point model of each target, towards wireless rigid…

信号处理 · 电气工程与系统科学 2023-09-12 Niclas Führling , Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , David González G. , Osvaldo Gonsa

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

信息论 · 计算机科学 2019-11-01 Junting Chen , David Gesbert

We provide a new algebraic solution procedure for the global positioning problem in $n$ dimensions using $m$ satellites. We also give a geometric characterization of the situations in which the problem does not have a unique solution. This…

信号处理 · 电气工程与系统科学 2023-10-16 Mireille Boutin , Gregor Kemper

Localization accuracy is of paramount importance for the proper operation of underwater optical wireless sensor networks (UOWSNs). However, underwater localization is prone to hostile environmental impediments such as drifts due to the…

网络与互联网体系结构 · 计算机科学 2019-12-24 Nasir Saeed , Abdulkadir Celik , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Unmanned aerial vehicle (UAV) base stations (BSs) are reliable and efficient alternative to full fill the coverage and capacity requirements when the backbone network fails to provide such requirements due to disasters. In this paper, we…

信号处理 · 电气工程与系统科学 2023-03-01 Thushan Sivalingam , K. B. Shashika Manosha , Nandana Rajatheva , M. Latva-aho , Maheshi B. Dissanayake

In this paper, we investigate the transmission range assignment for N wireless nodes located on a line (a linear wireless network) for broadcasting data from one specific node to all the nodes in the network with minimum energy. Our goal is…

网络与互联网体系结构 · 计算机科学 2012-04-19 Mohammad R. Ataei , Amir H. Banihashemi , Thomas Kunz

When dedicated positioning systems, such as GPS, are unavailable, a mobile device has no choice but to fall back on its cellular network for localization. Due to random variations in the channel conditions to its surrounding base stations…

信息论 · 计算机科学 2015-10-27 Javier Schloemann , Harpreet S. Dhillon , R. Michael Buehrer

Mobile wireless sensors are increasingly recognized as a valuable tool for monitoring critical infrastructures. An important use case is the discovery of leaks and inflows in pipe networks using a swarm of floating sensor nodes. While…

多智能体系统 · 计算机科学 2021-09-02 Martin Haug , Felix Lorenz , Lauritz Thamsen

Many applications have been identified which require the deployment of large-scale low-power wireless sensor networks. Some of the deployment environments, however, impose harsh operation conditions due to intense cross-technology…

信号处理 · 电气工程与系统科学 2025-07-08 Abiy Tasissa , Waltenegus Dargie