Slab routing: adapting two-dimensional geographic routing to three-dimensions

  • Authors:
  • Paul I.-Shan Chiang;Wen-Chih Peng

  • Affiliations:
  • National Chiao Tung University, Hsinchu, Taiwan, ROC;National Chiao Tung University, Hsinchu, Taiwan, ROC

  • Venue:
  • SECON'09 Proceedings of the 6th Annual IEEE communications society conference on Sensor, Mesh and Ad Hoc Communications and Networks
  • Year:
  • 2009

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Abstract

Geographic routing, an attractive routing solution for wireless ad hoc networks, has been studied extensively in two-dimensional environments. However, three-dimensional space has proven to be much more challenging, with only a few existing proposals. In this paper, we present Slab Routing - a novel projection based method that adapts two-dimensional geographic face routing techniques to three-dimensional space, avoiding flooding and preserving route optimality properties. Slab Routing accomplishes this by dynamically creating a space partition, which we call a slab, and executing face routing over the planar projected graph of nodes contained within. While the adaptation does not guarantee delivery, we provide an analysis of the conditions required to achieve a desired delivery probability and verify the results through simulation.