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Delay analysis of STDMA in grid wireless sensor networks

Abstract : TDMA (Time Division Multiple Access)) is known to be an affective method for energy saving in wireless sensor networks (WSNs). However, when any slot is exclusively reserved to one node, the TDMA-based protocols suffer from low-channel utilization and high data delivery delays. STDMA (Spatial reuse TDMA) avoids these drawbacks by allowing multiple nodes to access the same time slot provided that these nodes do not interfere. The objective of this paper is to evaluate the delay performance of STDMA assuming grid networks and a random ordering of the slots in the STDMA cycle. The evaluation is performed both with a stochastic analytical model and by experiments based on a known STDMA method called VCM. Results show that the random ordering performance is rather good. A framework for STDMA applied to general graphs under SINR interference model is also presented.
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Submitted on : Wednesday, November 30, 2016 - 10:34:59 AM
Last modification on : Tuesday, October 25, 2022 - 4:18:24 PM
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Ichrak Amdouni, Cédric Adjih, Pascale Minet, Thierry Plesse. Delay analysis of STDMA in grid wireless sensor networks. ICMCIS 2016: International Conference on Military Communications and Information Systems ICMCIS (former MCC) Brussels, Belgium, 23rd - 24th May 2016, May 2016, Brussels, Belgium. pp.1 - 8, ⟨10.1109/ICMCIS.2016.7496580⟩. ⟨hal-01405540⟩



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