TC-DSA: topology control for delay sensitive applications in wireless sensor networks

  • Authors:
  • Farshad Ahdi;Vikram Srinivasan;Kee-Chaing Chua

  • Affiliations:
  • -;-;-

  • Venue:
  • The Fourth International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness & Workshops
  • Year:
  • 2007

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Abstract

Energy limitations in wireless sensor networks and the need for low latency in many applications require a unified approach in the design of network protocols. In this paper, we propose a distributed wakeup schedule to accomplish a new topology control scheme. The aim is to increase the longevity of the network for a given upper bound on the average end-to-end delay. In the proposed scheme neither localization nor synchronization is required and only local information is used. In addition to its simplicity of implementation, its energy overhead is negligible and it implicitly determines the routing paths. Our simulation results show that this protocol achieve significant improvement in the network lifetime compared to SPAN, an existing topology control mechanism.