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The goal of this work is to describe a self-management system that correlates data sensed by different Wireless Sensor Networks (WSNs) and adjusts the number of active nodes in each network to provide an appropriate amount of measurements.…

Networking and Internet Architecture · Computer Science 2016-07-13 Gabriel Martins Dias

This paper studies a beam tracking problem in which an access point (AP), in collaboration with a reconfigurable intelligent surface (RIS), dynamically adjusts its downlink beamformers and the reflection pattern at the RIS in order to…

Signal Processing · Electrical Eng. & Systems 2024-11-13 Han Han , Tao Jiang , Wei Yu

In this paper, the problem of dynamic spectrum sensing and aggregation is investigated in a wireless network containing N correlated channels, where these channels are occupied or vacant following an unknown joint 2-state Markov model. At…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Yunzeng Li , Wensheng Zhang , Cheng-Xiang Wang , Jian Sun , Yu Liu

Motivated by the Internet-of-things and sensor networks for cyberphysical systems, the problem of dynamic sensor activation for the tracking of a time-varying process is examined. The tradeoff is between energy efficiency, which decreases…

Systems and Control · Computer Science 2017-11-30 Arpan Chattopadhyay , Urbashi Mitra

This paper considers a wireless sensor network deployed to sense an environment variable with a known spatial statistical profile. We propose to use the additional information of the spatial profile to improve the sensing range of sensors…

Information Theory · Computer Science 2020-04-29 Kaushlendra Pandey , Abhishek Gupta

This paper investigates sensor scheduling for state estimation of complex networks over shared transmission channels. For a complex network of dynamical systems, referred to as nodes, a sensor network is adopted to measure and estimate the…

Systems and Control · Electrical Eng. & Systems 2023-01-12 Peihu Duan , Lidong He , Lingying Huang , Guanrong Chen , Ling Shi

The reliable detection of environmental molecules in the presence of noise is an important cellular function, yet the underlying computational mechanisms are not well understood. We introduce a model of two interacting sensors which allows…

Biological Physics · Physics 2020-02-25 Vudtiwat Ngampruetikorn , David J. Schwab , Greg J. Stephens

We study the important problem of tracking moving targets in wireless sensor networks. We try to overcome the limitations of standard state of the art tracking methods based on continuous location tracking, i.e. the high energy dissipation…

Distributed, Parallel, and Cluster Computing · Computer Science 2008-03-17 Andrei Marculescu , Sotiris Nikoletseas , Olivier Powell , Jose Rolim

In this paper, we propose a novel energy efficient environment monitoring scheme for wireless sensor networks, based on data mining formulation. The proposed adapting routing scheme for sensors for achieving energy efficiency from…

Networking and Internet Architecture · Computer Science 2015-06-26 Mohammad Alwadi , Girija Chetty

One of the main issues in the design of sensor networks is energy efficient communication of time-critical data. Energy wastage can be caused by failed packet transmission attempts at each node due to channel dynamics and interference.…

Networking and Internet Architecture · Computer Science 2011-05-24 Rahul Srivastava , Can Emre Koksal

An energy harvesting (EH) transmitter communicating over a time-correlated wireless channel is considered. The transmitter is capable of sensing the current channel state, albeit at the cost of both energy and transmission time. The EH…

Information Theory · Computer Science 2017-10-31 Mehdi Salehi Heydar Abad , Ozgur Ercetin , Deniz Gündüz

Wirelessly-powered sensor networks (WPSNs) are becoming increasingly important in different monitoring applications. We consider a WPSN where a multiple-antenna base station, which is dedicated for energy transmission, sends pilot signals…

Networking and Internet Architecture · Computer Science 2020-01-27 Rong Du , Hossein Shokri Ghadikolaei , Carlo Fischione

We consider the problem of tracking moving targets using mobile wireless sensors (of possibly different types). This is a joint estimation and control problem in which a tracking system must take into account both target and sensor…

Signal Processing · Electrical Eng. & Systems 2025-03-03 Jingwei Hu , Dave Zachariah , Petre Stoica

Motivated by the Internet-of-things and sensor networks for cyberphysical systems, the problem of dynamic sensor activation for the centralized tracking of an i.i.d. time-varying process is examined. The tradeoff is between energy…

Optimization and Control · Mathematics 2018-04-12 Arpan Chattopadhyay , Urbashi Mitra

A wireless sensor network (WSN) has important applications such as remote environmental monitoring and target tracking. This has been enabled by the availability, particularly in recent years, of sensors that are smaller, cheaper, and…

Networking and Internet Architecture · Computer Science 2014-04-08 Sukhchandan Randhawa

Wireless Sensor Networks are basically used for gathering information needed by smart environments but they are particularly useful in unattended situations where terrain, climate and other environmental constraints may hinder in the…

Networking and Internet Architecture · Computer Science 2010-05-24 Sami Halawani , Abdul Waheed Khan

A sensor samples and transmits status updates to a destination through a wireless channel that wears out over time and with every use. At each time slot, the sensor can decide to sample and transmit a fresh status update, restore the…

Information Theory · Computer Science 2023-12-05 George J. Stamatakis , Osvaldo Simeone , Nikolaos Pappas

Driven by the rapid growth of Internet of Things applications, tremendous data need to be collected by sensors and uploaded to the servers for further process. As a promising solution, mobile crowd sensing enables controllable sensing and…

Information Theory · Computer Science 2022-02-28 Ziqin Zhou , Xiaoyang Li , Changsheng You , Kaibing Huang , Yi Gong

Distributed consensus has been widely studied for sensor network applications. Whereas the asymptotic convergence rate has been extensively explored in prior work, other important and practical issues, including energy efficiency and link…

Networking and Internet Architecture · Computer Science 2013-04-10 Lei Chen , Jeff Frolik

A Wireless Sensor Network (WSN) consists of spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, pressure,etc. In sensing applications, data packets are flowing from sensor…

Networking and Internet Architecture · Computer Science 2014-02-07 Ms. Aruna. G. R , Mr. SivanArulSelvan