Wireless Sensor Networks

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Wireless Sensor Networks

Author : Yen Kheng Tan
ISBN : 9533073217
Genre : Technology & Engineering
File Size : 27.65 MB
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Over the past decade, there has been a prolific increase in the research, development and commercialisation of Wireless Sensor Networks (WSNs) and their associated technologies. WSNs have found application in a vast range of different domains, scenarios and disciplines. These have included healthcare, defence and security, environmental monitoring and building/structural health monitoring. However, as a result of the broad array of pertinent applications, WSN researchers have also realised the application specificity of the domain; it is incredibly difficult, if not impossible, to find an application-independent solution to most WSN problems. Hence, research into WSNs dictates the adoption of an application-centric design process. This book is not intended to be a comprehensive review of all WSN applications and deployments to date. Instead, it is a collection of state-of-the-art research papers discussing current applications and deployment experiences, but also the communication and data processing technologies that are fundamental in further developing solutions to applications. Whilst a common foundation is retained through all chapters, this book contains a broad array of often differing interpretations, configurations and limitations of WSNs, and this highlights the diversity of this ever-changing research area. The chapters have been categorised into three distinct sections: applications and case studies, communication and networking, and information and data processing. The readership of this book is intended to be postgraduate/postdoctoral researchers and professional engineers, though some of the chapters may be of relevance to interested masters level students.
Category: Technology & Engineering

Wireless Sensor Networks A Complete Guide 2020 Edition

Author : Gerardus Blokdyk
ISBN : 1867337215
Genre :
File Size : 60.13 MB
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What sources do you use to gather information for a Wireless sensor networks study? Are you making progress, and are you making progress as Wireless sensor networks leaders? What Wireless sensor networks data should be managed? What does Wireless sensor networks success mean to the stakeholders? How do you measure improved Wireless sensor networks service perception, and satisfaction? Defining, designing, creating, and implementing a process to solve a challenge or meet an objective is the most valuable role... In EVERY group, company, organization and department. Unless you are talking a one-time, single-use project, there should be a process. Whether that process is managed and implemented by humans, AI, or a combination of the two, it needs to be designed by someone with a complex enough perspective to ask the right questions. Someone capable of asking the right questions and step back and say, 'What are we really trying to accomplish here? And is there a different way to look at it?' This Self-Assessment empowers people to do just that - whether their title is entrepreneur, manager, consultant, (Vice-)President, CxO etc... - they are the people who rule the future. They are the person who asks the right questions to make Wireless Sensor Networks investments work better. This Wireless Sensor Networks All-Inclusive Self-Assessment enables You to be that person. All the tools you need to an in-depth Wireless Sensor Networks Self-Assessment. Featuring 949 new and updated case-based questions, organized into seven core areas of process design, this Self-Assessment will help you identify areas in which Wireless Sensor Networks improvements can be made. In using the questions you will be better able to: - diagnose Wireless Sensor Networks projects, initiatives, organizations, businesses and processes using accepted diagnostic standards and practices - implement evidence-based best practice strategies aligned with overall goals - integrate recent advances in Wireless Sensor Networks and process design strategies into practice according to best practice guidelines Using a Self-Assessment tool known as the Wireless Sensor Networks Scorecard, you will develop a clear picture of which Wireless Sensor Networks areas need attention. Your purchase includes access details to the Wireless Sensor Networks self-assessment dashboard download which gives you your dynamically prioritized projects-ready tool and shows your organization exactly what to do next. You will receive the following contents with New and Updated specific criteria: - The latest quick edition of the book in PDF - The latest complete edition of the book in PDF, which criteria correspond to the criteria in... - The Self-Assessment Excel Dashboard - Example pre-filled Self-Assessment Excel Dashboard to get familiar with results generation - In-depth and specific Wireless Sensor Networks Checklists - Project management checklists and templates to assist with implementation INCLUDES LIFETIME SELF ASSESSMENT UPDATES Every self assessment comes with Lifetime Updates and Lifetime Free Updated Books. Lifetime Updates is an industry-first feature which allows you to receive verified self assessment updates, ensuring you always have the most accurate information at your fingertips.
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Energy Efficient Design Of Wireless Sensor Networks

Author : Nouha Sghaier
ISBN : 1785481088
Genre : Technology & Engineering
File Size : 81.2 MB
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Energy Efficient Design of Wireless Sensor Networks explores how to optimize energy supply in wireless sensor networks (WSNs), which is more complex than in conventional wired networks because it involves not only reducing the energy consumption of a single sensor node, but also maximizing the lifetime of an entire network. The book focuses on mobile wireless sensor networks characterized by poor connectivity, examining ways to exploit the mobility of nodes to optimize their energy consumption and maximize the lifetime of the entire network on two main levels, the neighbor's discovery phase and data transfer methods. Focuses exclusively on mobile sensor networks Exploits mobile WSN specificities to conserve the maximum energy initially deployed on sensors to extend the lifetime of the whole network Offers a new paradigm of conservation and energy optimization techniques in two levels, the neighbor discovery phase and data routing method Examines the idea of how to exploit the mobility of nodes to optimize their energy consumption
Category: Technology & Engineering

Wireless Sensor Networks Complete Self Assessment Guide

Author : Gerardus Blokdyk
ISBN : 0655532439
Genre :
File Size : 77.76 MB
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In what ways are Wireless sensor networks vendors and us interacting to ensure safe and effective use? How do we promote understanding that opportunity for improvement is not criticism of the status quo, or the people who created the status quo? Is there a high likelihood that any recommendations will achieve their intended results? Do we know what we need to know about this topic? Risk factors: what are the characteristics of Wireless sensor networks that make it risky? This breakthrough Wireless sensor networks self-assessment will make you the principal Wireless sensor networks domain expert by revealing just what you need to know to be fluent and ready for any Wireless sensor networks challenge. How do I reduce the effort in the Wireless sensor networks work to be done to get problems solved? How can I ensure that plans of action include every Wireless sensor networks task and that every Wireless sensor networks outcome is in place? How will I save time investigating strategic and tactical options and ensuring Wireless sensor networks costs are low? How can I deliver tailored Wireless sensor networks advice instantly with structured going-forward plans? There's no better guide through these mind-expanding questions than acclaimed best-selling author Gerard Blokdyk. Blokdyk ensures all Wireless sensor networks essentials are covered, from every angle: the Wireless sensor networks self-assessment shows succinctly and clearly that what needs to be clarified to organize the required activities and processes so that Wireless sensor networks outcomes are achieved. Contains extensive criteria grounded in past and current successful projects and activities by experienced Wireless sensor networks practitioners. Their mastery, combined with the easy elegance of the self-assessment, provides its superior value to you in knowing how to ensure the outcome of any efforts in Wireless sensor networks are maximized with professional results. Your purchase includes access details to the Wireless sensor networks self-assessment dashboard download which gives you your dynamically prioritized projects-ready tool and shows you exactly what to do next. Your exclusive instant access details can be found in your book. You will receive the following contents with New and Updated specific criteria: - The latest quick edition of the book in PDF - The latest complete edition of the book in PDF, which criteria correspond to the criteria in... - The Self-Assessment Excel Dashboard - Example pre-filled Self-Assessment Excel Dashboard to get familiar with results generation - In-depth and specific Wireless sensor networks Checklists - Project management checklists and templates to assist with implementation INCLUDES LIFETIME SELF ASSESSMENT UPDATES Every self assessment comes with Lifetime Updates and Lifetime Free Updated Books. Lifetime Updates is an industry-first feature which allows you to receive verified self assessment updates, ensuring you always have the most accurate information at your fingertips.
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Designing New Routing Algorithms Optimized For Wireless Sensor Network

Author : Kiani Farzad
ISBN : 3659518948
Genre :
File Size : 75.16 MB
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In wireless sensor networks, energy is very important issue because these networks are consisting of low-power sensor nodes. The book reviews on current routing protocols and energy efficiency methods. Then, it proposes new three routing protocols to reach energy efficiency. The protocols have different priority in energy efficiency as reduction energy consumption in the nodes, prolonging network lifetime, increasing system reliability and network load balance, reduction packet delays in network. The first protocol is based on dynamic clustering and tree structure to increase network lifetime. Energy saving method is based on sleep/wake up and data aggregation schemes. In the second protocol, an intelligent routing protocol is proposed so that is based on reinforcement learning technique. Energy saving method is based on data-driven schema. The third protocol is an energy efficient routing approach so it is based on topology control, sleep/wake up and data aggregation schemes. The simulation results show that our protocols have optimizing in different parameters such as network lifetime, packet delivery, packet delay and network balance.
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Wireless Sensor Networks

Author : Jun Zheng
ISBN : 0470443510
Genre : Technology & Engineering
File Size : 86.56 MB
Format : PDF, Kindle
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Learn the fundamental concepts, major challenges, and effective solutions in wireless sensor networking This book provides a comprehensive and systematic introduction to the fundamental concepts, major challenges, and effective solutions in wireless sensor networking (WSN). Distinguished from other books, it focuses on the networking aspects of WSNs and covers the most important networking issues, including network architecture design, medium access control, routing and data dissemination, node clustering, node localization, query processing, data aggregation, transport and quality of service, time synchronization, network security, and sensor network standards. With contributions from internationally renowned researchers, Wireless Sensor Networks expertly strikes a balance between fundamental concepts and state-of-the-art technologies, providing readers with unprecedented insights into WSNs from a networking perspective. It is essential reading for a broad audience, including academic researchers, research engineers, and practitioners in industry. It is also suitable as a textbook or supplementary reading for electrical engineering, computer engineering, and computer science courses at the graduate level.
Category: Technology & Engineering

Wireless Sensor Networks

Author : Liam I. Farrugia
ISBN : 1617281255
Genre : Computers
File Size : 71.6 MB
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A wireless sensor network (WSN) consists of spatially distributed autonomous sensors to co-operatively monitor physical or environmental conditions, such as temperature, sound, vibration, pressure, motion or pollutants. The development of wireless sensor networks was motivated by military applications such as battlefield surveillance. They are now used in many industrial and civilian application areas, including industrial process monitoring and control, machine health monitoring, environment and habitat monitoring, healthcare applications, home automation, and traffic control. This book gathers and presents topical research data from around the globe in the field of wireless sensor networks.
Category: Computers

Advanced Localization Algorithms For Wireless Sensor Networks

Author : M. Vasim Babu
ISBN : 1799837351
Genre : Computers
File Size : 88.59 MB
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The global positioning system (GPS) is highly useful, but due to practical difficulties, it is limited by technical challenges that localization algorithms seek to answer. However, the localization process must contend with obstacles such as power, cost, high energy consumption, dynamic environment, optimality, sensor lifetime, and low data transmission. The latest research, when applied to the refinement of wireless sensor networks, may help to lessen the impact of these obstacles. Advanced Localization Algorithms for Wireless Sensor Networks is a collection of innovative research that explores current research into localization algorithms that can solve existing problems that occur in global positioning system (GPS) technology. Highlighting a wide range of topics including energy efficiency, hybrid localization, and security issues, this book is ideally designed for engineers, programmers, entrepreneurs, academicians, researchers, and students in the fields of information and communication engineering, electronics engineering, wireless communications, computer science, and information technology.
Category: Computers

From Problem Toward Solution

Author : Zhen Jiang
ISBN : 1604564571
Genre : Technology & Engineering
File Size : 76.98 MB
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Reserving data authenticity in a hostile environment, where the sensor nodes may be compromised, is a critical security issue for wireless sensor networks. In such networks, once a real event is detected, nearby sensors generate data reports which are subsequently forwarded to the data collection point. However, the subverted sensors, which have access to the stored secret keys, can launch attacks to compromise data authenticity. They can act as sources for forged reports and inject an unlimited number of bogus reports that fabricate false events "happening" at arbitrary locations in the field. Such false reports may exhaust network energy and bandwidth resources, trigger false alarms and undesired reactions. The authors explain such attacks and that which can be roughly categorised as isolated attacks by each individual compromised node or colluding attacks by a group of collaborating impostors.
Category: Technology & Engineering

Networking 2007 Ad Hoc And Sensor Networks Wireless Networks Next Generation Internet

Author : Ian F. Akyildiz
ISBN : 9783540726050
Genre : Computers
File Size : 64.72 MB
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This book constitutes the refereed proceedings of the 6th International IFIP-TC6 Networking Conference, NETWORKING 2007, held in Atlanta, GA, USA in May 2007. The 99 revised full papers and 30 poster papers were carefully reviewed and selected from 440 submissions. The papers are organized in topical sections on ad hoc and sensor networks: connectivity and coverage, scheduling and resource allocation, mobility and location awareness, routing, and key management; wireless networks: mesh networks, mobility, TCP, MAC performance, as well as scheduling and resource allocation; next generation inte.
Category: Computers

Implantable Wireless Sensor Networks

Author :
ISBN : OCLC:1140970582
Genre :
File Size : 54.64 MB
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Abstract : It is has been proven that infection in the body cause a local temperature increase due to localized inflammation. Therefore, a method to provide early diagnostic or long-term tracking of this infection will provide great benefits to patients with diabetic foot ulcers or sickle cell disease, and those receiving hemodialysis where they suffer from a weakened immune system. The goal of this project is to develop an implantable wireless temperature sensor based on a wireless sensor network system for monitoring infections in situ. The analog signals from the thermistors are digitized and wirelessly transmitted to a computer with an ez430-rf2500 wireless sensor network (Texas Instruments). The sensor device is designed to monitor temperature at a fixation plate of a rodent under an infection model. Two prototypes of the system, T1 and T2, were designed and fabricated during this work. The sensors displayed good sensitivity, stability and reliability during the testing. The system was optimized for better timing accuracy to allow power management. Such a sensor could be used for long term monitoring of infections associated with orthopedic implants.
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Wireless Sensor Networks

Author : Shafiullah Khan
ISBN : 9781466506084
Genre : Computers
File Size : 62.16 MB
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Wireless sensor networks (WSNs) utilize fast, cheap, and effective applications to imitate the human intelligence capability of sensing on a wider distributed scale. But acquiring data from the deployment area of a WSN is not always easy and multiple issues arise, including the limited resources of sensor devices run with one-time batteries. Additi
Category: Computers

Fundamentals Of Wireless Sensor Networks

Author : Waltenegus Dargie
ISBN : 9780470975688
Genre : Technology & Engineering
File Size : 69.68 MB
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In this book, the authors describe the fundamental concepts and practical aspects of wireless sensor networks. The book provides a comprehensive view to this rapidly evolving field, including its many novel applications, ranging from protecting civil infrastructure to pervasive health monitoring. Using detailed examples and illustrations, this book provides an inside track on the current state of the technology. The book is divided into three parts. In Part I, several node architectures, applications and operating systems are discussed. In Part II, the basic architectural frameworks, including the key building blocks required for constructing large-scale, energy-efficient sensor networks are presented. In Part III, the challenges and approaches pertaining to local and global management strategies are presented – this includes topics on power management, sensor node localization, time synchronization, and security. At the end of each chapter, the authors provide practical exercises to help students strengthen their grip on the subject. There are more than 200 exercises altogether. Key Features: Offers a comprehensive introduction to the theoretical and practical concepts pertaining to wireless sensor networks Explains the constraints and challenges of wireless sensor network design; and discusses the most promising solutions Provides an in-depth treatment of the most critical technologies for sensor network communications, power management, security, and programming Reviews the latest research results in sensor network design, and demonstrates how the individual components fit together to build complex sensing systems for a variety of application scenarios Includes an accompanying website containing solutions to exercises (http://www.wiley.com/go/dargie_fundamentals) This book serves as an introductory text to the field of wireless sensor networks at both graduate and advanced undergraduate level, but it will also appeal to researchers and practitioners wishing to learn about sensor network technologies and their application areas, including environmental monitoring, protection of civil infrastructure, health care, precision agriculture, traffic control, and homeland security.
Category: Technology & Engineering

Development Of High Synchronous Acquisition Accuracy Wireless Sensor Network For Machine Vibration Monitoring

Author :
ISBN : OCLC:1051904426
Genre :
File Size : 69.89 MB
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Highlights: A machine vibration monitoring system based on wireless sensor networks is proposed. A wireless sensor node with dual processor architecture is designed. A solution for synchronization acquisition based on cross-layer design is adopted. The proposed node could acquire machine vibration at the sampling rate of 20 kHz. The mean of the synchronous triggering errors is reduced to 87.85 ns. Abstract: Vibration-based condition monitoring is an important approach to ensure the reliability of industrial machines. On the one hand, traditional wired monitoring systems exhibit certain limitations in specific cases. Wireless sensor networks (WSNs), on the other hand, have excellent potential to avoid these constraints. However, there are still some problems that remained to be solved, such as high sampling rate and synchronous acquisition. In the present study, a machine vibration monitoring system based on WSNs has been developed and presented. Firstly, a wireless sensor node with dual-processor architecture is designed to balance cost, power consumption and performance. Then, in order to improve the accuracy of synchronous acquisition, a novel solution based on hardware cross-layer design is adopted. Lastly, experiments of the proposed node are performed and the effectiveness of the proposed machine vibration monitoring system is validated. The results show that the mean value of synchronous triggering error is reduced to 87.85 ns.
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Communications In Wireless Sensor Networks

Author : Joan Enric Barceló Lladó
ISBN : 8449033160
Genre :
File Size : 29.33 MB
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Les xarxes de sensors sense fils (WSNs) han esdevingut un dels sistemes de comunicació amb més projecció d'aquesta dècada. Abasten una àmplia varietat d'aplicacions tals com la monitorització del medi ambient, la predicció de desastres naturals, en medicina, en transport, posicionament en interiors, i tasques militars. Els nodes que composen la xarxa, són típicament de baix cost, cosa que atorga una sèrie de limitacions en termes d'energia, velocitat de càlcul i d'ample de banda. Amb els avenços de les comunicacions sense fils i la creixent demanda de noves i més complexes aplicacions, les WSNs s'han d'optimitzar per tal de minimitzar aquestes limitacions. Aquesta tesi proposa un conjunt de tècniques que proporcionen a una WSN les següents característiques: 1.Implementació distribuïda sense necessitat de senyalització entre nodes sensors. 2.Comunicacions energèticament eficients. 3.Poca complexitat als nodes sensors. 4.Empra pocs recursos (temps, ample de banda, etc.) 5.Presenta un error quadràtic mig baix en reconstrucció al receptor. 6.Comunicacions secretes a capa física. Primer, s'estudia la transmissió seqüencial de mostreig reduït. Aquesta tècnica permet la disminució del nombre de transmissions i, per tant, reduir la despesa energètica associada a la comunicació a la xarxa. En particular, s'estudia el rendiment dels codificadors determinístics, probabilístics i condicionals de mostreig reduït per senyals autoregressius. S'obtenen expressions tancades de l'error quadràtic mig pel cas de mostreig reduït determinístic i probabilístic, mentre que pel cas condicional es deriven aproximacions ajustades. A continuació, s'analitza la compressió de la informació per WSNs grans. Pel cas on els paràmetres de correlació del senyal són desconeguts a priori, es proposen dos estimadors millorats: i) un per la predicció emprant el filtre de Wiener i ii) un per l'error quadràtic mig obtingut. Ambdós estimadors s'empren pels dos passos claus de l'algorisme de codificació distribuïda de canal. Aquests estimadors milloren notablement el rendiment de l'algorisme en comparació amb els estimadors de mostres clàssics, especialment quan la dimensió del vector d'observacions és comparable en magnitud amb el nombre de mostres usades a la fase d'entrenament de l'algorisme. Posteriorment, es proposa un esquema de comunicació distribuïda i energèticament eficient anomenat Amplify-and-Forward Compressed Sensing. Aquest esquema es basa en la tècnica de sensat comprimit i aprofita la correlació existent al senyal rebut per tal de reduir tant el nombre de recursos emprats com les despeses energètiques del sistema. Específicament, el sistema es dissenya seguint una funció de cost que controla el compromís existent entre error quadràtic i consum energètic de la xarxa. Per aconseguir aquest disseny, es deriva un model simple que aproxima el rendiment de l'esquema proposat en termes d'error quadràtic mig. A més, es contribueix a la teoria de sensat comprimit amb una nova i més ajustada relació entre el mínim nombre de mesures necessàries donades unes determinades propietats del senyal. Finalment, s'estudia l'esquema proposat Amplify-and-Forward Compressed Sensing des d'un punt de vista de secretisme a capa física. Es demostra que aquest esquema assoleix secretisme perfecte sota la presència d'un o d'un grup reduït d'espies, mentre que per un nombre més gran, és possible deteriorar notablement les seves capacitats d'espionatge gràcies a una tècnica proposta especialment dissenyada per introduir un extra d'incertesa solament a l'estimació dels espies.
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Wireless Sensor Networks

Author : Masood Ahmad
ISBN : 3639317165
Genre :
File Size : 64.55 MB
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A Wireless Sensor Network is a collection of small devices with sensing, computation, and wireless communication capabilities. Energy consumption in these networks is directly proportional to the life time of the network. So, conservation of power during network operation becomes an important issue in WSNs.Routing in Wireless Sensor Networks has a strong effect on the network, which consumes a considerable amount of energy. To address this problem an Energy Aware Uniform Cluster-Head Distribution (EAUCD) technique, in which the cluster heads are uniformly distributed through out the network, which results in balancing the energy load in the network and increasing its life time is proposed here. The proposed EAUCD technique performs better in terms of conservation of power compared to the other cluster based routing protocol. The technique is validated through extensive simulation in various scenarios like increasing the area of simulation, increasing the number of nodes in the network, and changing the dispersion of nodes.
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