Optimizing Real-Time Ordered-Data Broadcasts in Pervasive Environments Using Evolution Strategy

  • Authors:
  • Rinku Dewri;Darrell Whitley;Indrajit Ray;Indrakshi Ray

  • Affiliations:
  • Colorado State University, Fort Collins, USA CO 80523;Colorado State University, Fort Collins, USA CO 80523;Colorado State University, Fort Collins, USA CO 80523;Colorado State University, Fort Collins, USA CO 80523

  • Venue:
  • Proceedings of the 10th international conference on Parallel Problem Solving from Nature: PPSN X
  • Year:
  • 2008

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Abstract

We consider the problem of real-time data broadcast scheduling in pervasive systems with soft deadlines and constraints on the order in which data items should be broadcast to be useful. The broadcast schedule needs to be generated to provide a certain level of quality of service. Thus, the real-time scheduler has to effectively trade-off between its running time and the quality of schedules generated. We use an evolution strategy to solve the problem. The variants tested includes (1 + 茂戮驴)-ES, (1,茂戮驴)-ES, and a (2 + 1)-ES with a modified Syswerda recombination operator, as well as a genetic algorithm.