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Journal of Computer Science and Technology

, Volume 23, Issue 3, pp 343–354 | Cite as

Random and Periodic Sleep Schedules for Target Detection in Sensor Networks

  • Vaishali P. Sadaphal
  • Bijendra N. Jain
Regular Paper

Abstract

We study random and periodic sleep schedules from the point of view of delay in detecting the target. We consider sleep schedules in which a sensor in “inactive” mode wakes up either randomly or periodically to detect presence of the target within its vicinity resulting into two sleep schedules: (a) random wake-up schedule, and (b) periodic wake-up schedule respectively. Specifically, we analyse and obtain for the random wake-up schedule the expected delay in detection, and the delay, such that with probability P, the delay is less than the computed value. For the periodic wake-up schedule we show that there exists an upper bound on the delay. Further we compute the average value of delay. We have shown that the theoretically computed averages and the upper bounds on the delay match with the simulation results for the random wake-up and periodic wake-up schedules.

Keywords

sleep schedule energy conservation target detection 

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Copyright information

© Science Press, Beijing, China and Springer Science + Business Media, LLC, USA 2008

Authors and Affiliations

  1. 1.Tata Research Development and Design Centre (TRDDC)PuneIndia
  2. 2.Department of Computer Science and EngineeringIndian Institute of TechnologyDelhiIndia

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