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Fundamentals Of Wireless Sensor Networks : Theory And Practice 2010

Discussion in 'Wireless Sensor Networks Books' started by Homaei, Jan 16, 2014.

  1. Homaei

    Homaei Administrator Staff Member

    Fundamentals of wireless sensor networks :
    theory and practice 2010

    Preface
    Rapid advances in the areas of sensor design, information technologies, and wireless networks have paved the way for the proliferation of wireless sensor networks. These networks have the potential to interface the physical world with the virtual (computing) world on an unprecedented scale and provide practical usefulness in developing a large number of applications, including the protection of civil infrastructures, habitat monitoring, precision agriculture, toxic gas detection, supply chain management, and health care. However, the design of wireless sensor networks introduces formidable challenges, since the required body of knowledge encompasses a whole range of topics in the field of electrical and computer engineering, as well as computer science.Wireless sensor networks are currently being offered as a subject at advanced undergraduate and graduate levels at many universities around the world. Moreover, they are the focus of countless graduate theses and student projects. Therefore, this book is primarily written as a textbook aimed at students of engineering and computer science. It provides an introduction into the fundamental concepts and building blocks of wireless sensor network design. An attempt has been made to maintain a balance between theory and practice, as well as established practices and the latest developments. At the end of each chapter, a number of practical questions and exercises are given to help the students to assess their understanding of the main concepts and arguments presented in the chapter. Furthermore, the chapters and parts of the book are sufficiently modular to provide flexibility in course design. The book will also be useful to the professional interested in this field. It is suitable for selfstudy and can serve as an essential reference. For such a reader, the material can be viewed as a tutorial in the basic concepts and surveys of recent research results and technological developments.

    Structure of the Book
    This book provides an introduction to the fundamental concepts and principles of wireless sensor networks (WSNs) and a survey of protocols, algorithms, and technologies at different layers of a sensor system, including the network protocol stack, middleware, and application level. The text is broken into three parts. In Part One, Introduction, Chapter 1 provides an overview of WSN applications, sensor nodes, and basic system structure. Chapter 2 continues the introduction into the WSN domain by providing an overview of representative sensor network applications. Chapter 3 presents different node architectures and discusses in detail the sensing and processing subsystems as well as communication interfaces. Moreover, it provides several examples of representative prototype implementations. Chapter 4 describes functional and nonfunctional aspects of operating systems and provides a survey of state-of-the-art examples.

    Part Two, Basic Architectural Framework, provides a detailed discussion of protocols and algorithms used at different network protocol layers in sensor systems. The design choices at these layers significantly impact the operation and resource efficiency of sensor nodes and networks. Chapter 5 begins this discussion with an introduction into physical layer architectures and concepts. Since the wireless medium is shared between many sensor nodes, MAC-layer protocols are required to arbitrate access to the wireless channels. MAC-layer solutions are discussed in Chapter 6. Chapter 7 discusses multi-hop communications in WSNs and the associated challenges. It also surveys existing and proposed routing protocols.

    Part Three, Node and Network Management, discusses several additional techniques and presents solutions for a variety of challenges. Chapter 8 begins the discussion with an overview of power management techniques for wireless sensor networks. When multiple sensor nodes observe the same event in the physical world, it is important to correctly correlate these observations from the different sensors. This requires the clocks of the sensor nodes to be synchronized with each other. Synchronized clocks are also required by a variety of protocols and algorithms, e.g., many MAC protocols rely on accurate timing to ensure that no two nodes transmit packets at the same time. Therefore, Chapter 9 introduces the concept of time synchronization and provides an overview of several synchronization strategies. For many sensor network applications, it is essential that sensor nodes estimate their own position, either using absolute coordinates (e.g., using GPS) or relative to other nodes or landmarks in the environment. Chapter 10 presents a variety of localization strategies and compares their tradeoffs.Wireless sensor networks pose several security challenges due to the nature of many sensor applications (military, emergency response) and the unique characteristics of sensor networks (e.g., scale and unattended operation). Therefore, security challenges and defenses against attacks on sensor networks are discussed in Chapter 11. Finally, Chapter 12 concludes the book with a description of development environments and programming techniques for sensor networks, including an overview of frequently used sensor network simulators.

    Author: Mohammad Hossein Homaei
    Supported by: www.wsnlab.org

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