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Design of an Efficient Message Collecting Scheme for the Slot-Based Wireless Mesh Network

  • Junghoon Lee
  • Gyung-Leen Park
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6059)

Abstract

This paper proposes an efficient message collection scheme for wireless mesh networks and measures its performance. Built upon the WirelessHART protocol providing a slot-based deterministic network access as well as the split-merge operation capable of switching channels within a single slot, the proposed scheme allocates two consecutive slots to each pair of child nodes for a receiver. In addition to the primary sender, the secondary sender tries to send a message, if it has, after the predefined interval (additional transmit), while the receiver selects the frequency channel bound to each sender according to the clear channel assessment result in a single slot (additional receive). The simulation result, obtained from the discrete event scheduler targeting at the 4-level binary tree topology, shows that the proposed scheme can improve the message delivery ratio by up to 35.4% and reduce the wasteful transmission by up to 38 % for the given slot error ranges, compared with the non-switching scheme.

Keywords

Wireless mesh network WirelessHART split-merge operation sensor data collection message delivery ratio 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Junghoon Lee
    • 1
  • Gyung-Leen Park
    • 1
  1. 1.Dept. of Computer Science and StatisticsJeju National UniversityJeju DoRepublic of Korea

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