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» Middleware challenges for wireless sensor networks
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INFOCOM
2010
IEEE
13 years 6 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
GLOBECOM
2008
IEEE
14 years 2 months ago
Duty-Cycle Optimization in Unslotted 802.15.4 Wireless Sensor Networks
—We present a novel approach for minimizing the energy consumption of medium access control (MAC) protocols developed for duty-cycled wireless sensor networks (WSN) for the unslo...
Sinem Coleri Ergen, Carlo Fischione, Dimitri Maran...
HICSS
2009
IEEE
146views Biometrics» more  HICSS 2009»
14 years 2 months ago
A Dissemination Protocol to Guarantee Data Accessibility within N-Hops for Wireless Sensor Networks
One of the major challenges of designing a dissemination protocol for Wireless Sensor Networks (WSNs) is energy efficiency. Flooding and SPIN, which are very well-known proactive ...
Moonseong Kim, Matt W. Mutka, Sang-Hun Cho, Hyunse...
FGCN
2008
IEEE
170views Communications» more  FGCN 2008»
14 years 2 months ago
NetTopo: Beyond Simulator and Visualizer for Wireless Sensor Networks
Simulators are needed for testing algorithms of wireless sensor networks (WSNs) for large scale scenarios. Deploying real WSN testbed provides a more realistic testing environment...
Lei Shu, Chun Wu, Yan Zhang, Jiming Chen, Lei Wang...
JCM
2008
134views more  JCM 2008»
13 years 7 months ago
Cover-Free Family based Efficient Group Key Management Strategy in Wireless Sensor Network
Abstract-- Secure group key distribution and efficient rekeying is one of the most challenging security issues in sensor networks at present. In this paper, Latin square is firstly...
Li Xu, Jianwei Chen, Xiaoding Wang