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ADVANCES IN MECHATRONICS 

Coverage: In WSN, each sensor node is given a glimpse of the environment. This follows are limited in range and accuracy (Figure 1), it can only include a limited physical area of environment. Therefore, coverage is also an important design parameter in WSNs. Each node receives a local view of its environment, limited by the scope and accuracy of it. the coverage of a large area composed by the union of a number of smaller insurance. Connectivity: Most of the high density of WSNs sensor, thus preventing the isolation of the nodes. However, mobility deployment, and other failures of the network topology, so does not guarantee connectivity. | ADVANCES IN MECHATRONICS Edited by Horacio Martinez-Alfaro INTECHWEB.ORG Advances in Mechatronics Edited by Horacio Martinez-Alfaro Published by InTech Janeza Trdine 9 51000 Rijeka Croatia Copyright 2011 InTech All chapters are Open Access articles distributed under the Creative Commons Non Commercial Share Alike Attribution 3.0 license which permits to copy distribute transmit and adapt the work in any medium so long as the original work is properly cited. After this work has been published by InTech authors have the right to republish it in whole or part in any publication of which they are the author and to make other personal use of the work. Any republication referencing or personal use of the work must explicitly identify the original source. Statements and opinions expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher. No responsibility is accepted for the accuracy of information contained in the published articles. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials instructions methods or ideas contained in the book. Publishing Process Manager Mia Devic Technical Editor Teodora Smiljanic Cover Designer Jan Hyrat Image Copyright Tonis Pan 2010. Used under license from Shutterstock.com First published August 2011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Advances in Mechatronics Edited by Horacio Martínez-Alfaro p. cm. ISBN 978-953-307-373-6 ikrrr iJ OPEN ACCESS INI Cvn PUBLISHER INTECH open free online editions of InTech Books and Journals can be found at .