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Wireless Mobile Sensor Networks: Protocols and Mobility Strategies

  • Jung Hyun JunEmail author
  • Bin Xie
  • Dharma P. Agrawal
Chapter
Part of the Computer Communications and Networks book series (CCN)

Abstract

In the last few years, tremendous efforts have been made to enhance the performance of stationary wireless sensor networks (WSNs). However, such improvements are constrained by the limitations of being a stationary network. Recent advances in robotic and the potential usage of naturally moving objects such as vehicle, animal, and even human, enable some of the sensors in the network to be mobile, and such a network is so called a Mobile WSN (MWSN). In this chapter, we study how mobility can improve the network performance such as the network lifetime, coverage, and connectivity. For example, the lifetime of a WSN can be improved by additionally deploying some mobile sensors in the hot spot around the Base Stations (BSs). The coverage is further enhanced by allowing some or all sensors to reposition themselves or move continuously. Furthermore, high connectivity along with coverage is maintained by replacing the broken links or adding extra sensors to reconnect the partitioned networks through the use of mobile relay units. To provide a complete understanding of these aspects, we perform a comprehensive examination of existing approaches in designing a MWSN.

Keywords

Sensor Node Wireless Sensor Network Mobile Node Relay Node Network Lifetime 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London Limited 2009

Authors and Affiliations

  1. 1.Department of Computer Science, OBR Center of Distributed and Mobile ComputingUniversity of CincinnatiCincinnatiUSA

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