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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:LI Lu-qun,LI Xu,SHEN Xue-min,ZHOU Rong.Analysis on topology control boundary conditions in delay tolerant wireless sensor networks[J].Journal of Harbin Institute Of Technology(New Series),2012,19(3):15-20.DOI:10.11916/j.issn.1005-9113.2012.03.003.
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Analysis on topology control boundary conditions in delay tolerant wireless sensor networks
Author NameAffiliation
LI Lu-qun Dept. of Computer Science ＆ Technology, Shanghai Normal University, Shanghai 200234, China 
LI Xu Dept. of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada 
SHEN Xue-min Dept. of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada 
ZHOU Rong Dept. of Computer Science ＆ Technology, Shanghai Normal University, Shanghai 200234, China 
Abstract:
In wireless sensor networks (WSNs), nodes are often scheduled to alternate between working mode and sleeping mode from energy efficiency point of view. When delay is tolerable, it is not necessary to preserve network connectivity during activity (working or sleeping) scheduling, enabling more sensors to be switched to sleeping mode and thus more energy savings. In this paper, the nodal behavior in such delay-tolerant WSNs (DT-WSNs) is modeled and analyzed. The maximum hop count with a routing path is derived in order not to violate a given sensor-to-sink delay constraint, along with extensive simulation results.
Key words:  delay tolerance  wireless sensor networks  M／G／1／K queue  little’s Law
DOI：10.11916/j.issn.1005-9113.2012.03.003
Clc Number:TP391
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