SPEED: A Stateless Protocol for Real-Time Communication in Sensor Networks

  • Authors:
  • Tian He;John A. Stankovic;Chenyang Lu;Tarek Abdelzaher

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ICDCS '03 Proceedings of the 23rd International Conference on Distributed Computing Systems
  • Year:
  • 2003

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Abstract

In this paper, we present a real-time communicationprotocol for sensor networks, called SPEED. The protocolprovides three types of real-time communication services,namely, real-time unicast, real-time area-multicast andreal-time area-anycast. SPEED is specifically tailored to bea stateless, localized algorithm with minimal control overhead.End-to-end soft real-time communication is achievedby maintaining a desired delivery speed across the sensornetwork through a novel combination of feedback controland non-deterministic geographic forwarding. SPEED is ahighly efficient and scalable protocol for sensor networkswhere the resources of each node are scarce. Theoreticalanalysis, simulation experiments and a real implementationon Berkeley motes are provided to validate our claims.