Optimal QoS Sampling Frequency Assignment for Real-Time Wireless Sensor Networks

  • Authors:
  • Xue Liu;Qixin Wang;Lui Sha;Wenbo He

  • Affiliations:
  • -;-;-;-

  • Venue:
  • RTSS '03 Proceedings of the 24th IEEE International Real-Time Systems Symposium
  • Year:
  • 2003

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Abstract

How to allocate computing and communication resourcesin a way that mazimizes the effectiveness of controland signal processing has been an important area ofresearch.The characteristic of a multi-hop Real-TimeWireless Sensor Network raises new challenges.First,the constraints are more complicated and a new solutionmethod is needed.Second, we need a distribution solutionto achieve scalability.This paper presents solutions toboth of the new challenges.The first solution to the optimalfrequency allocation is a centralized solution that canhandle the more general form of constraints as comparedwith prior research.The second solution is a distributedversion for large networks using a pricing scheme.It iscapable of incremental adjustment when utility functionschange.