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The N -policy of a discrete time Geo/G/1 queue with disasters and its application to wireless sensor networks
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- Authors
- Doo Ho Lee, Won Seok Yang
- Issue Date
- 2013-12
- Citation
- Applied Mathematical Modelling, v.37, no.23, pp.9722-9731
- ISSN
- 0307-904X
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- We analyze an N-policy of a discrete time Geo/G/1 queue with disasters. We obtain the probability generating functions of the queue length, the sojourn time, and regeneration cycles such as the idle period and the busy period. We apply the queue to a power saving scheme in wireless sensor networks under unreliable network connections where data packets are lost by external attacks or shocks. We present various numerical experiments for application to power consumption control in wireless sensor networks. We investigate the characteristics of the optimal N-policy that minimizes power consumption and derive practical insights on the operation of the N-policy in wireless sensor networks. © 2013 Elsevier Inc.
- KSP Keywords
- Busy period, Data packet, N-policy, Network connection, Numerical experiments, Power consumption control, Probability generating functions, Sojourn time, Unreliable network, Wireless sensor networks(WSNs), discrete-time