Scheduling Real-Time Dwells Using Tasks with Synthetic Periods

  • Authors:
  • Chi-Sheng Shih;Sathish Gopalakrishnan;Phanindra Ganti;Marco Caccamo;Lui Sha

  • Affiliations:
  • -;-;-;-;-

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

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Abstract

This paper addresses the problem of scheduling real-timedwells in multi-function phase array radar systems.To keep track of targets, a radar system must meet its timingand energy constraints. We propose a new task modelfor radar dwells to accurately characterize their timing parameters.We develop an algorithm of transforming everydwell task as a semi-period task so the dwell task can meetits timing constraint and the interarrival times of the taskmay not a constant. We also develop an enhanced template-basedscheduling algorithm to schedule such tasks to meetthe timing and energy constraints. Simulation results showthat this algorithm can significantly improve the resourceutilization.