VE-mobicast: A variant-egg-based mobicast routing protocol for sensornets

Yuh Shyan Chen*, Shin Yi Ann, Yun-Wei Lin

*Corresponding author for this work

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

In this paper, we present a new "spatiotemporal multicast", called a "mobicast", protocol for supporting applications which require spatiotemporal coordination in sensornets. The spatiotemporal character of a mobicast is to forward a mobicast message to all sensor nodes that will be present at time t in some geographic zone (called the forwarding zone) Z, where both the location and shape of the forwarding zone are a function of time over some interval (t start ,t end ). The mobicast is constructed of a series of forwarding zones over different intervals (t start ,t end ), and only sensor nodes located in the forwarding zone in the time interval (t start ,t end ) should be awake in order to save power and extend the network lifetime. Existing protocols for a spatiotemporal variant of a multicast system were designed to support a forwarding zone that moves at a constant velocity, v→ , in sensornets. To consider the path of a mobile entity which includes turns, this work mainly develops a new mobicast routing protocol, called the variant-egg-based mobicast (VE-mobicast) routing protocol, by utilizing the adaptive variant-egg shape of the forwarding zone to achieve high predictive accuracy. To illustrate the performance achievement, a mathematical analysis is conducted and simulation results are examined.

Original languageEnglish
Pages (from-to)199-218
Number of pages20
JournalWireless Networks
Volume14
Issue number2
DOIs
StatePublished - 1 Apr 2008

Keywords

  • Distribution
  • Mobicast
  • Mobile computing
  • Routing
  • Sensornet
  • Wireless communication

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