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A Module Management Scheme for Dynamic Reconfiguration

  • Hong Min
  • Junyoung Heo
  • Yookun Cho
  • Kahyun Lee
  • Jaegi Son
  • Byunghun Song
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5072)

Abstract

Wireless sensor nodes are used to sense and transmit information from target region such as nature and industrial environment. In those nodes, dynamic reconfiguration is required to update codes, change functions, and maintain programs, because each node is deployed in a remote region. Currently, many dynamic reconfiguration schemes have been researched in wireless sensor networks. However, they are still inefficient in terms of energy usage, and not capable to manage multiple modules. In this paper, we present an efficient module management scheme for dynamic reconfiguration of sensor operating systems. To minimize the updating cost of each module that has a dependency relation, it provides a new ‘module update’ interface, which is different from the module insertion and deletion methods. It also supports dependency and duplication checker to manage modules reliably. Our experimental results show that our scheme outperforms existing schemes in terms of both the execution time and the energy consumption.

Keywords

Module Management Wireless Sensor Networks Operating Systems Dynamic Reconfiguration 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Hong Min
    • 1
  • Junyoung Heo
    • 1
  • Yookun Cho
    • 1
  • Kahyun Lee
    • 1
    • 2
  • Jaegi Son
    • 1
    • 3
  • Byunghun Song
    • 1
    • 3
  1. 1.School of computer science & engineeringSeoul National UniversitySeoulKorea
  2. 2.LG Electronics 
  3. 3.Korea Electronics Technology Institute 

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