By Jun Zheng, Abbas Jamalipour
Learn the basic options, significant demanding situations, and powerful ideas in instant sensor networking
This publication offers a complete and systematic advent to the basic suggestions, significant demanding situations, and powerful recommendations in instant sensor networking (WSN). unusual from different books, it makes a speciality of the networking facets of WSNs and covers an important networking matters, together with community structure layout, medium entry keep watch over, routing and knowledge dissemination, node clustering, node localization, question processing, information aggregation, delivery and caliber of provider, time synchronization, community safeguard, and sensor community criteria.
With contributions from across the world well known researchers, instant Sensor Networks expertly moves a stability among primary options and cutting-edge applied sciences, offering readers with extraordinary insights into WSNs from a networking standpoint. it truly is crucial examining for a huge viewers, together with educational researchers, examine engineers, and practitioners in undefined. it's also appropriate as a textbook or supplementary studying for electric engineering, machine engineering, and computing device technology classes on the graduate point.
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Additional info for Wireless Sensor Networks: A Networking Perspective
A network is usually designed and deployed for a speciﬁc application. The design requirements of a network change with its application. Unreliable Sensor Nodes. Sensor nodes are usually deployed in harsh or hostile environments and operate without attendance. They are prone to physical damages or failures. Frequent Topology Change. Network topology changes frequently due to node failure, damage, addition, energy depletion, or channel fading. No Global Identiﬁcation. Due to the large number of sensor nodes, it is usually not possible to build a global addressing scheme for a sensor network because it would introduce a high overhead for the identiﬁcation maintenance.
In multihop communication, a sensor node transmits its sensed data toward the sink via one or more intermediate nodes, which can reduce the energy consumption for communication. 2). 1 Flat Architecture. In a ﬂat network, each node plays the same role in performing a sensing task and all sensor nodes are peers. Due to the large number of sensor nodes, it is not feasible to assign a global identiﬁer to each node in a sensor network. For this reason, data gathering is usually accomplished by using data-centric routing, where the data sink transmits a query to all nodes in the sensing region via ﬂooding and only the sensor nodes that have the data matching the query will respond to the sink.
ORGANIZATION OF THIS BOOK This book is organized into 14 chapters. Chapter 1 serves as an introduction to the whole book. The unique network characteristics, typical network applications, and technological background are introduced. Then the major network design objectives and challenges, and the focus and features of this book are described. Chapter 2 presents a brief overview of network architectures and introduces a protocol stack for WSNs. Chapter 3 is dedicated to medium access control (MAC) in WSNs.