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» Relay sensor placement in wireless sensor networks
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JCM
2006
144views more  JCM 2006»
15 years 6 months ago
Using Micro-Genetic Algorithms to Improve Localization in Wireless Sensor Networks
Wireless sensor networks are widely adopted in many location-sensitive applications including disaster management, environmental monitoring, military applications where the precise...
Vincent Tam, King-Yip Cheng, King-Shan Lui
INFOCOM
2010
IEEE
15 years 5 months ago
Cooperative Boundary Detection for Spectrum Sensing Using Dedicated Wireless Sensor Networks
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
Yanyan Yang, Yunhuai Liu, Qian Zhang, Lionel M. Ni
INFOCOM
2010
IEEE
15 years 5 months ago
On Distributed Time-Dependent Shortest Paths over Duty-Cycled Wireless Sensor Networks
Abstract—We revisit the shortest path problem in asynchronous duty-cycled wireless sensor networks, which exhibit time-dependent features. We model the time-varying link cost and...
Shouwen Lai, Binoy Ravindran
CDC
2009
IEEE
210views Control Systems» more  CDC 2009»
15 years 4 months ago
On maximum lifetime routing in Wireless Sensor Networks
Abstract-- Lifetime maximization is an important optimization problem specific to Wireless Sensor Networks (WSNs) since they operate with limited energy resources which are therefo...
Xu Ning, Christos G. Cassandras
INFOCOM
2011
IEEE
14 years 10 months ago
Smart sleep: Sleep more to reduce delay in duty-cycled wireless sensor networks
A simple random walk (SRW) has been considered as an effective forwarding method for many applications in wireless sensor networks (WSNs) due to its desirable properties. However...
Chul-Ho Lee, Do Young Eun