An Energy Efficient And Dynamic Security Protocol For Wireless Sensor Networks

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An Energy Efficient and Dynamic Security Protocol for Wireless Sensor Networks

Author : Adil Bashir
Publisher : GRIN Verlag
ISBN 13 : 3346443078
Total Pages : 66 pages
Book Rating : 4.3/5 (464 download)

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Book Synopsis An Energy Efficient and Dynamic Security Protocol for Wireless Sensor Networks by : Adil Bashir

Download or read book An Energy Efficient and Dynamic Security Protocol for Wireless Sensor Networks written by Adil Bashir and published by GRIN Verlag. This book was released on 2021-07-21 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master's Thesis from the year 2013 in the subject Computer Science - Internet, New Technologies, grade: 8.12, , course: M. Tech, language: English, abstract: Wireless sensor network (WSN) is an emerging imperious leading technology of the current century that presents great promise for various pioneering applications. The use of sensor networks should keep developing, mainly in the fields of scientific, logistic, healthcare and military applications. Sensor networks interact and collect sensitive data and operate in unattended hostile environments, thus it is imperative to pay attention to the security of wireless sensor networks as they are highly prone to threats. For successful operation of the nodes, it is important to maintain the security and privacy of the transmitted data as well as the data stored at nodes. The different security protocols and models used in the wired and other wireless networks such as ad-hoc networks cannot be used in WSNs because the sensor size poses significant restrictions, mainly in terms of energy autonomy and node lifetime, as the batteries have to be too tiny. Also, the existing security protocols in these constrained networks are not sufficiently energy efficient, which is the real motivation behind this work. In this thesis, a light-weight dynamic security algorithm titled “An Energy Efficient and Dynamic Security Protocol (EEDSP)” for wireless sensor networks has been proposed and implemented at nodal level. We also implement an existing algorithm and then carry out the performance analysis of both the algorithms in terms of energy consumptions, node lifetime and memory requirements at source and intermediate nodes to verify the improvement in our protocol’s results.

Energy-Efficient Wireless Sensor Networks

Author : Vidushi Sharma
Publisher : CRC Press
ISBN 13 : 149878335X
Total Pages : 276 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Energy-Efficient Wireless Sensor Networks by : Vidushi Sharma

Download or read book Energy-Efficient Wireless Sensor Networks written by Vidushi Sharma and published by CRC Press. This book was released on 2017-07-28 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advances in low-power electronic devices integrated with wireless communication capabilities are one of recent areas of research in the field of Wireless Sensor Networks (WSNs). One of the major challenges in WSNs is uniform and least energy dissipation while increasing the lifetime of the network. This is the first book that introduces the energy efficient wireless sensor network techniques and protocols. The text covers the theoretical as well as the practical requirements to conduct and trigger new experiments and project ideas. The advanced techniques will help in industrial problem solving for energy-hungry wireless sensor network applications.

Sensor Network Protocols

Author : Imad Mahgoub
Publisher : CRC Press
ISBN 13 : 1420006347
Total Pages : 248 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Sensor Network Protocols by : Imad Mahgoub

Download or read book Sensor Network Protocols written by Imad Mahgoub and published by CRC Press. This book was released on 2018-10-08 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensor networks continue to grow in importance for modern communication networks. Communication protocols are at the core of these networks, determining their ability to function, their capabilities, and the environments in which they are able to operate. In chapters carefully selected from the popular Handbook of Sensor Networks, Sensor Network Protocols supplies a sharply focused reference on protocols, security, data processing, and energy management in communication sensor networks that is ideal for specialists in the field. Providing a succinct guide to the protocols currently used in advanced sensor networks, this book focuses on four main areas: routing protocols; data gathering and processing; security and reliability; and energy management. The book opens with a survey of the challenges and opportunities facing the field. Then, expert contributors authoritatively discuss routing technologies, next-generation enabling technologies, comparative study of energy-efficient protocols for wireless sensor networks, techniques to reduce computation and communication energy consumption, energy-aware routing, localized algorithms for sensor networks, and much more. Sensor Network Protocols details the techniques and technologies that are at the heart of modern sensor networks. It is an ideal reference for anyone interested in designing, planning, or building emerging sensor and communications networks.

Energy Management in Wireless Sensor Networks

Author : Youcef Touati
Publisher : Elsevier
ISBN 13 : 0081021178
Total Pages : 144 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Energy Management in Wireless Sensor Networks by : Youcef Touati

Download or read book Energy Management in Wireless Sensor Networks written by Youcef Touati and published by Elsevier. This book was released on 2017-03-29 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy Management in Wireless Sensor Networks discusses this unavoidable issue in the application of Wireless Sensor Networks (WSN). To guarantee efficiency and durability in a network, the science must go beyond hardware solutions and seek alternative software solutions that allow for better data control from the source to delivery. Data transfer must obey different routing protocols, depending on the application type and network architecture. The correct protocol should allow for fluid information flow, as well as optimizing power consumption and resources – a challenge faced by dense networks. The topics covered in this book provide answers to these needs by introducing and exploring computer-based tools and protocol strategies for low power consumption and the implementation of routing mechanisms which include several levels of intervention, ranging from deployment to network operation. Explores ways to manage energy consumption during the design and implementation of WSN Helps users implement an increase in network longevity Presents intrinsic characteristics of wireless sensor networks

Dynamic Wireless Sensor Networks

Author : Mohamed Elhoseny
Publisher : Springer
ISBN 13 : 3319928074
Total Pages : 191 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Dynamic Wireless Sensor Networks by : Mohamed Elhoseny

Download or read book Dynamic Wireless Sensor Networks written by Mohamed Elhoseny and published by Springer. This book was released on 2018-05-25 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a collection of high-quality research works that address broad challenges in both theoretical and applied aspects of dynamic wireless sensor networks (WSNs) for intelligent and smart applications in a variety of environments. It presents the most central concepts associated with Dynamic Wireless Sensor Networks applications, and discusses issues surrounding Wireless Sensor Network Structures for complex and mobile-based applications. The book subsequently discusses several topics related to energy management in dynamic WSNs, and reviews the steps involved in building a secure and trusted data transmission model using the WSN applications of intelligent environments. Lastly, it discusses the applications of WSNs in live data systems such as SCADA systems. Readers will discover a collection of high-quality research works that address broad challenges in both theoretical and applied aspects of WSNs for intelligent real-life applications. In addition, the book presents original research on the application of a dynamic WSN to solve the problem of energy consumption in a secure WSN during the process of data aggregation and transmission. Written by respected experts in the field, the book will stimulate further efforts in the application of the intelligent WSNs model, helping to solve the problem of data processing in a limited resource WSN-based environment.

Certain Power Management Algorithms for Wireless Sensor Networks by Energy Efficient Data Transmission, Security and Node Deployment

Download Certain Power Management Algorithms for Wireless Sensor Networks by Energy Efficient Data Transmission, Security and Node Deployment PDF Online Free

Author : Linoy A Tharakan
Publisher : GRIN Verlag
ISBN 13 : 3668635242
Total Pages : 134 pages
Book Rating : 4.6/5 (686 download)

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Book Synopsis Certain Power Management Algorithms for Wireless Sensor Networks by Energy Efficient Data Transmission, Security and Node Deployment by : Linoy A Tharakan

Download or read book Certain Power Management Algorithms for Wireless Sensor Networks by Energy Efficient Data Transmission, Security and Node Deployment written by Linoy A Tharakan and published by GRIN Verlag. This book was released on 2018-02-12 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2017 in the subject Electrotechnology, grade: PhD, , course: Doctor of Philosophy, language: English, abstract: Wireless Sensor Networks (WSNs) is fast emerging as prominent study area that attracting considerable research attention globally. The field has seen tremendous development in design and development of application related interfaces with sensor networks. Sensor network finds applications in several domains such as medical, military, home networks, space and so on. Many researchers strongly believe that WSNs can become as important as the internet in the near future. Just as the internet allows access to digital information anywhere, WSNs could easily provide remote interaction with the physical world. It is going to be the backbone of Ubiquitous Computing (UBICOMP).Through local collaboration among sensors, elimination of duplicate data, participation of relevant nodes in the given task etc. can produce a significant difference in energy conservation, thereby increasing the life time of the sensor network. As the number of nodes increases, data security becomes the most challenging part of the network. The intruders can hack the data any time during processing, transmission or at the receiver end. So, as a popular approach data encryption is the most commendable approach in today’s network. Asymmetric key encryption consumes more energy in processing and so not recommended for WSNs. Symmetric key encryption gives better performance with respect to asymmetric key encryption in WSN applications. It uses less computational power due to relatively effortless mathematical operations, and eventually spends less power. This thesis also proposes a symmetric data encryption through Tabulation method of Boolean function reductionfor the WSNs for secure data transmission. It also suggests a new secure approach, SEEMd, Security Enabled Energy Efficient Middleware algorithmfor the critical data sensing and gives a second chance to the nodes before it falls into to sleep mode for energy management. WSNs are designed for applications which range from small-size healthcare surveillance systems to large-scale agricultural monitoring or environmental monitoring. Thus, any WSN deployment, data aggregation, processing and communication have to assure minimum Quality of Service (QoS) in the network from application to application. In this circumstances, the proposed algorithms in this thesis proved to be efficient and reliable in energy saving and life time enhancement.

Building Wireless Sensor Networks

Author : Nandini Mukherjee
Publisher : CRC Press
ISBN 13 : 1482230089
Total Pages : 287 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Building Wireless Sensor Networks by : Nandini Mukherjee

Download or read book Building Wireless Sensor Networks written by Nandini Mukherjee and published by CRC Press. This book was released on 2017-12-19 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building Wireless Sensor Networks: Theoretical and Practical Perspectives presents the state of the art of wireless sensor networks (WSNs) from fundamental concepts to cutting-edge technologies. Focusing on WSN topics ideal for undergraduate and postgraduate curricula, this book: Provides essential knowledge of the contemporary theory and practice of wireless sensor networking Describes WSN architectures, protocols, and operating systems Details the routing and data aggregation algorithms Addresses WSN security and energy efficiency Includes sample programs for experimentation The book offers overarching coverage of this exciting field, filling a critical gap in the existing literature.

Improved Energy Efficient Structure-Free Data Aggregation and Delivery Protocol in WSN

Author : Independently Published
Publisher :
ISBN 13 : 9781726785600
Total Pages : 62 pages
Book Rating : 4.7/5 (856 download)

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Book Synopsis Improved Energy Efficient Structure-Free Data Aggregation and Delivery Protocol in WSN by : Independently Published

Download or read book Improved Energy Efficient Structure-Free Data Aggregation and Delivery Protocol in WSN written by Independently Published and published by . This book was released on 2017-11-07 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: The wireless sensor is deployed to sense large amount of data from the far places. With the large deployment of the sensor networks, it faces major issues like energy consumption, dynamic routing and security. The Energy efficient structure-free data aggregation and delivery (ESDAD) is the protocol which is hierarchal in nature. The ESDAD protocol can be further improved to increase lifetime of wireless sensor networks The base station localizes the position of each sensor node and defines level of each node for the data transmission. In the ESDAD protocol, the next hop node is selected on the basis of cost function for the data transmission. In this research work, improved in ESDAD protocol is proposed in which gateway nodes are deployed after each level for the data transmission. The sensor node will sense the information and transmit it to gateway node. The gateway node aggregates data to the base station and simulation results show that improved ESDAD protocol performs well in terms of energy consumption and number of throughput.

Wireless Sensor Multimedia Networks

Author : Mohamed Mostafa A. Azim
Publisher : CRC Press
ISBN 13 : 1482253135
Total Pages : 292 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Wireless Sensor Multimedia Networks by : Mohamed Mostafa A. Azim

Download or read book Wireless Sensor Multimedia Networks written by Mohamed Mostafa A. Azim and published by CRC Press. This book was released on 2015-10-28 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless sensor networks (WSNs) are a special class of ad hoc network in which network nodes composed of tiny sensors pass data such as temperature, pressure, and humidity through the network to a central location. Wireless sensor multimedia networks (WSMNs) are a special category of WSNs in which the sensor nodes are small cameras and microphones

Introductory Concepts of Wireless Sensor Network. Theory and Applications

Author : Dac-Nhuong Le
Publisher : GRIN Verlag
ISBN 13 : 3668601801
Total Pages : 265 pages
Book Rating : 4.6/5 (686 download)

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Book Synopsis Introductory Concepts of Wireless Sensor Network. Theory and Applications by : Dac-Nhuong Le

Download or read book Introductory Concepts of Wireless Sensor Network. Theory and Applications written by Dac-Nhuong Le and published by GRIN Verlag. This book was released on 2018-01-02 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2018 in the subject Instructor Plans: Computing / Data Processing / IT / Telecommunication, , course: Wireless Sensor Network, language: English, abstract: This book, Introductory Concepts of Wireless Sensor Network provides the details study of Wireless Sensor Network Introduction, Application, Middleware and basic concept of cloud computing with WSN. This book also uses the Data Transmission concepts for secure data transmission over the wireless sensor network in distributed environment. This book is useful for undergraduates, postgraduates and research scholar students for their course work and research projects in the field of engineering, science and technology. The text is organized into ten chapters, Chapter 1 and Chapter 2 provides Basic concept of wireless sensor network and their application in real life. Chapter 3 and Chapter 4 Routing in Cluster Based Wireless Sensor Networks and Cluster Based Distribution Routing Protocol for wireless sensor network. Chapter 5 and Chapter 6, includes MAC Protocol for WSN & MANET and Routing Protocols in Wireless Sensor Network. Chapter 7 and Chapter 8, give the brief introduction of Transport Control Protocols for WSN and different Middleware’s for WSN. Chapter 9 and Chapter 10 give brief Concept of Cloud Computing with WSN and Data Transmission over the WSN. Finally, this book includes un-solved problems, exercise and list of projects that are useful for both graduate and post-graduate students.

Clustering and Routing Algorithms for Wireless Sensor Networks

Author : Pratyay Kuila
Publisher : CRC Press
ISBN 13 : 1351648705
Total Pages : 234 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Clustering and Routing Algorithms for Wireless Sensor Networks by : Pratyay Kuila

Download or read book Clustering and Routing Algorithms for Wireless Sensor Networks written by Pratyay Kuila and published by CRC Press. This book was released on 2017-09-22 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless Sensor Networks have a wide range of applications in different areas. Their main constraint is the limited and irreplaceable power source of the sensor nodes. In many applications, energy conservation of the sensor nodes and their replacement or replenishment due to the hostile nature of the environment is the most challenging issue. Energy efficient clustering and routing are the two main important topics studied extensively for this purpose. This book focuses on the energy efficient clustering and routing with a great emphasis on the evolutionary approaches. It provides a comprehensive and systematic introduction of the fundamentals of WSNs, major issues and effective solutions.

Computational Intelligence for Wireless Sensor Networks

Author : Sandip Kumar Chaurasiya
Publisher : CRC Press
ISBN 13 : 1000594211
Total Pages : 282 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Computational Intelligence for Wireless Sensor Networks by : Sandip Kumar Chaurasiya

Download or read book Computational Intelligence for Wireless Sensor Networks written by Sandip Kumar Chaurasiya and published by CRC Press. This book was released on 2022-07-25 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Intelligence for Wireless Sensor Networks: Principles and Applications provides an integrative overview of the computational intelligence (CI) in wireless sensor networks and enabled technologies. It aims to demonstrate how the paradigm of computational intelligence can benefit Wireless Sensor Networks (WSNs) and sensor-enabled technologies to overcome their existing issues. This book provides extensive coverage of the multiple design challenges of WSNs and associated technologies such as clustering, routing, media access, security, mobility, and design of energy-efficient network operations. It also describes various CI strategies such as fuzzy computing, evolutionary computing, reinforcement learning, artificial intelligence, swarm intelligence, teaching learning-based optimization, etc. It also discusses applying the techniques mentioned above in wireless sensor networks and sensor-enabled technologies to improve their design. The book offers comprehensive coverage of related topics, including: Emergence of intelligence in wireless sensor networks Taxonomy of computational intelligence Detailed discussion of various metaheuristic techniques Development of intelligent MAC protocols Development of intelligent routing protocols Security management in WSNs This book mainly addresses the challenges pertaining to the development of intelligent network systems via computational intelligence. It provides insights into how intelligence has been pursued and can be further integrated in the development of sensor-enabled applications.

Deep Learning Strategies for Security Enhancement in Wireless Sensor Networks

Author : Sagayam, K. Martin
Publisher : IGI Global
ISBN 13 : 1799850692
Total Pages : 405 pages
Book Rating : 4.7/5 (998 download)

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Book Synopsis Deep Learning Strategies for Security Enhancement in Wireless Sensor Networks by : Sagayam, K. Martin

Download or read book Deep Learning Strategies for Security Enhancement in Wireless Sensor Networks written by Sagayam, K. Martin and published by IGI Global. This book was released on 2020-06-12 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless sensor networks have gained significant attention industrially and academically due to their wide range of uses in various fields. Because of their vast amount of applications, wireless sensor networks are vulnerable to a variety of security attacks. The protection of wireless sensor networks remains a challenge due to their resource-constrained nature, which is why researchers have begun applying several branches of artificial intelligence to advance the security of these networks. Research is needed on the development of security practices in wireless sensor networks by using smart technologies. Deep Learning Strategies for Security Enhancement in Wireless Sensor Networks provides emerging research exploring the theoretical and practical advancements of security protocols in wireless sensor networks using artificial intelligence-based techniques. Featuring coverage on a broad range of topics such as clustering protocols, intrusion detection, and energy harvesting, this book is ideally designed for researchers, developers, IT professionals, educators, policymakers, practitioners, scientists, theorists, engineers, academicians, and students seeking current research on integrating intelligent techniques into sensor networks for more reliable security practices.

Wireless Sensor Networks and Applications

Author : Yingshu Li
Publisher : Springer Science & Business Media
ISBN 13 : 0387495924
Total Pages : 444 pages
Book Rating : 4.3/5 (874 download)

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Book Synopsis Wireless Sensor Networks and Applications by : Yingshu Li

Download or read book Wireless Sensor Networks and Applications written by Yingshu Li and published by Springer Science & Business Media. This book was released on 2008-02-10 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: A crucial reference tool for the increasing number of scientists who depend upon sensor networks in a widening variety of ways. Coverage includes network design and modeling, network management, data management, security and applications. The topic covered in each chapter receives expository as well as scholarly treatment, covering its history, reviewing state-of-the-art thinking relative to the topic, and discussing currently unsolved problems of special interest.

Security for Wireless Sensor Networks using Identity-Based Cryptography

Author : Harsh Kupwade Patil
Publisher : CRC Press
ISBN 13 : 1466581263
Total Pages : 235 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Security for Wireless Sensor Networks using Identity-Based Cryptography by : Harsh Kupwade Patil

Download or read book Security for Wireless Sensor Networks using Identity-Based Cryptography written by Harsh Kupwade Patil and published by CRC Press. This book was released on 2013-03-21 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Security for Wireless Sensor Networks using Identity-Based Cryptography introduces identity-based cryptographic schemes for wireless sensor networks. It starts with an exhaustive survey of the existing layered approach to WSN security—detailing its pros and cons. Next, it examines new attack vectors that exploit the layered approach to security. After providing the necessary background, the book presents a cross-layer design approach that addresses authentication, integrity, and encryption. It also examines new ID-based key management mechanisms using a cross-layer design perspective. In addition, secure routing algorithms using ID-based cryptography are also discussed. Supplying readers with the required foundation in elliptic curve cryptography and identity-based cryptography, the authors consider new ID-based security solutions to overcome cross layer attacks in WSN. Examining the latest implementations of ID-based cryptography on sensors, the book combines cross-layer design principles along with identity-based cryptography to provide you with a new set of security solutions that can boost storage, computation, and energy efficiency in your wireless sensor networks.

Improvised Energy Efficient Routing Protocol based on Ant Colony Optimization (ACO) for Wireless Sensor Networks

Author : Anand Nayyar
Publisher : GRIN Verlag
ISBN 13 : 3668599211
Total Pages : 166 pages
Book Rating : 4.6/5 (685 download)

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Book Synopsis Improvised Energy Efficient Routing Protocol based on Ant Colony Optimization (ACO) for Wireless Sensor Networks by : Anand Nayyar

Download or read book Improvised Energy Efficient Routing Protocol based on Ant Colony Optimization (ACO) for Wireless Sensor Networks written by Anand Nayyar and published by GRIN Verlag. This book was released on 2017-12-22 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2017 in the subject Computer Science - Miscellaneous, , course: Ph.D Computer Science, language: English, abstract: Routing and Energy Efficiency is regarded as highly challenging area of Sensor networks. Significant advancements in Wireless Sensor Networks (WSNs) opens doors for wide implementation in real-time applications like Industrial Monitoring, Smart Cities development, Underwater monitoring operations, tracking objects and many more. Energy Efficient routing is regarded as the most challenging task. Sensor networks mostly operate in complex and dynamic environments and routing becomes tedious task to maintain as the network size increases. Lots of routing protocols- Reactive, Proactive and Hybrid are proposed by researchers but every protocol faces some limitations in terms of energy, routing, packet delivery ratio and security. Therefore, to overcome all the routing issues, the trend has shifted to Biological based Algorithms like Swarm Intelligence based techniques. Ant Colony Optimization based routing protocols have demonstrated exceptional results in terms of performance when applied to WSN routing. This thesis outlines routing protocols in sensor networks, highlight the concept of Swarm Intelligence and presents various Ant Colony Optimization based routing protocols for sensor networks. In addition to this, we present Ant Colony based Energy Efficient routing protocol (IEEMARP = Improvised Energy Efficient Multipath Ant Based Routing Protocol) for sensor networks. The proposed protocol takes into consideration various performance metrics like Packet Delivery Ratio, Throughput, Energy Efficiency, Routing Overhead and End-to-End delay. Proposed protocol is simulated and tested using NS-2.35 simulator. Simulation based results stated that IEEMARP routing protocol is overall 16% more efficient in terms of Packet delivery ratio, Energy Efficiency, Throughput, Routing Overhead and End-to-End delay as compared to other ACO based routing protocols. In addition to this, IEEMARP is highly reliable protocol to ensure timely delivery with acknowledgement packet exchange between source node to sink node and vice versa and also combats the issue of congestion and packet dropping to large extent.

Security Issues for Wireless Sensor Networks

Author : Parag Verma
Publisher : CRC Press
ISBN 13 : 1000544761
Total Pages : 271 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Security Issues for Wireless Sensor Networks by : Parag Verma

Download or read book Security Issues for Wireless Sensor Networks written by Parag Verma and published by CRC Press. This book was released on 2022-04-19 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless sensor networks (WSNs) have attracted high interest over the last few decades in the wireless and mobile computing research community. Applications of WSNs are numerous and growing, including indoor deployment scenarios in the home and office to outdoor deployment in an adversary’s territory in a tactical background. However, due to their distributed nature and deployment in remote areas, these networks are vulnerable to numerous security threats that can adversely affect their performance. This problem is more critical if the network is deployed for some mission-critical applications, such as in a tactical battlefield. Random failure of nodes is also very likely in real-life deployment scenarios. Due to resource constraints in the sensor nodes, a traditional security mechanism with high overhead of computation and communication is not feasible in WSNs. Design and implementation of secure WSNs is, therefore, a particularly challenging task. This book covers a comprehensive discussion on state-of-the-art security technologies for WSNs. It identifies various possible attacks at different layers of the communication protocol stack in a typical WSN and presents their possible countermeasures. A brief discussion on the future direction of research in WSN security is also included.