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We analyze the problem of localization algorithms for underwater sensor networks. We first characterize the underwater channel for radio communications and adjust a linear model with measurements of real transmissions. We propose an…

Networking and Internet Architecture · Computer Science 2016-04-14 Javier Zazo , Santiago Zazo , Sergio Valcarcel Macua , Marina Pérez , Iván Pérez-Álvarez , Laura Cardona , Eduardo Quevedo

This paper investigates the problem of the minimilization of energy consumption in reallocation of wireless mobile sensors network (WMSN) to assure good communication without interference. Fix $d\in\mathbb{N}\setminus\{0\}.$ Assume $n$…

Data Structures and Algorithms · Computer Science 2019-05-07 Rafał Kapelko

Wireless sensor networks become integral part of our life. These networks can be used for monitoring the data in various domain due to their flexibility and functionality. Query processing and optimization in the WSN is a very challenging…

Databases · Computer Science 2011-09-06 C. Komalavalli , Chetna Laroiya

Wireless Sensor Networks (WSNs) emerge as underlying infrastructures for new classes of large scale net- worked embedded systems. However, WSNs system designers must fulfill the Quality-of-Service (QoS) requirements imposed by the…

Networking and Internet Architecture · Computer Science 2014-03-04 T Shiva Prakash , K B Raja , K R Venugopal , S S Iyengar , L M Patnaik

Due to the unique characteristics of sensor devices, finding the energy-efficient modulation with a low-complexity implementation (refereed to as green modulation) poses significant challenges in the physical layer design of Wireless Sensor…

Information Theory · Computer Science 2010-08-24 Jamshid Abouei , Konstantinos N. Plataniotis , Subbarayan Pasupathy

Wireless Sensor Networks have recently attracted many researchers attentions due to their wide range of applications. Even though a plethora of studies have been carried out on characteristics, special conditions, and various aspects of…

Networking and Internet Architecture · Computer Science 2019-03-05 Fatemeh Sadat Tabei , Behnam Askarian

Energy Harvesting (EH) is a novel technique to prolong the lifetime of the wireless networks such as wireless sensor networks or Ad-Hoc networks, by providing an unlimited source of energy for their nodes. In this sense, it has emerged as a…

Information Theory · Computer Science 2021-04-07 Mahmood Mohassel Feghhi , Aliazam Abbasfar , Mahtab Mirmohseni

Wireless sensor networks are composed of low cost and extremely power constrained sensor nodes which are scattered over a region forming self organized networks, making energy consumption a crucial design issue. Thus, finite network…

Networking and Internet Architecture · Computer Science 2014-06-11 Manpreet Kaur , Abhilasha

Wireless sensor networks are often designed to perform two tasks: sensing a physical field and transmitting the data to end-users. A crucial aspect of the design of a WSN is the minimization of the overall energy consumption. Previous…

Information Theory · Computer Science 2014-01-07 Zichong Chen , Juri Ranieri , Runwei Zhang , Martin Vetterli

Energy-harvesting wireless sensor networking is an emerging technology with applications to various fields such as environmental and structural health monitoring. A distinguishing feature of wireless sensors is the need to perform both…

Information Theory · Computer Science 2015-10-15 Cristiano Tapparello , Osvaldo Simeone , Michele Rossi

The applications of wireless power transfer technology to wireless communications can help build a wireless powered communication network (WPCN) with more reliable and sustainable power supply compared to the conventional battery-powered…

Networking and Internet Architecture · Computer Science 2015-12-10 Suzhi Bi , Rui Zhang

We study a heterogeneous wireless sensor network (WSN) where N heterogeneous access points (APs) gather data from densely deployed sensors and transmit their sensed information to M heterogeneous fusion centers (FCs) via multi-hop wireless…

Information Theory · Computer Science 2021-09-09 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

Energy harvesting (EH) has recently emerged as an effective way to solve the lifetime challenge of wireless sensor networks, as it can continuously harvest energy from the environment. Unfortunately, it is challenging to guarantee a…

Information Theory · Computer Science 2012-07-17 Yaming Luo , Jun Zhang , Khaled B. Letaief

Semantic communications are considered a promising beyond-Shannon/bit paradigm to reduce network traffic and increase reliability, thus making wireless networks more energy efficient, robust, and sustainable. However, the performance is…

Power splitting (PS) based simultaneous wireless information and power transfer (SWIPT) is considered in a multi-user multiple-input-single-output broadcast scenario. Specifically, we focus on jointly configuring the transmit beamforming…

Signal Processing · Electrical Eng. & Systems 2022-10-25 Dileep Kumar , Onel L. Alcaraz López , Satya Krishna Joshi , Antti Tölli

Wireless Sensor networks (WSN) is an emerging technology and have great potential to be employed in critical situations like battlefields and commercial applications such as building, traffic surveillance, habitat monitoring and smart homes…

Cryptography and Security · Computer Science 2009-09-04 Dr. G. Padmavathi , Mrs. D. Shanmugapriya

In this paper, we study channel tracking for the wireless energy transfer (WET) system, which is practically a very important, but challenging problem. Regarding the time-varying channels as a sequence to be predicted, we exploit the…

Information Theory · Computer Science 2018-12-10 Jae-Mo Kang , Chang-Jae Chun , Il-Min Kim , Dong In Kim

The design of sensors or "things" as part of the new Internet of Underwater Things (IoUTs) paradigm comes with multiple challenges including limited battery capacity, not polluting the water body, and the ability to track continuously…

Signal Processing · Electrical Eng. & Systems 2019-07-03 Vidyasagar Sadhu , Sanjana Devaraj , Dario Pompili

There is an increasing demand for intelligent processing on ultra-low-power internet of things (IoT) device. Recent works have shown substantial efficiency boosts by executing inferences directly on the IoT device (node) rather than…

Hardware Architecture · Computer Science 2024-08-28 Cyan Subhra Mishra , Jack Sampson , Mahmut Taylan Kandmeir , Vijaykrishnan Narayanan , Chita R Das

Wireless Sensor Network (WSN) is consisting of independent and distributed sensors to monitor physical or environmental conditions, such as temperature, sound, pressure, etc. The most crucial and fundamental challenge facing WSN is…

Cryptography and Security · Computer Science 2016-09-20 Yassine Maleh , Abdellah Ezzati
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