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» Cooperative security in distributed sensor networks
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GLOBECOM
2007
IEEE
14 years 3 months ago
Cooperative Space-Time Coded Transmissions in Nakagami-m Fading Channels
— In this paper we evaluate outage performance of a cooperative transmission protocol over fading channels that requires a number of relaying nodes to employ a distributed space-...
Stefano Savazzi, Umberto Spagnolini
JCM
2008
134views more  JCM 2008»
13 years 8 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
ICDCS
2005
IEEE
14 years 2 months ago
Detecting Malicious Beacon Nodes for Secure Location Discovery in Wireless Sensor Networks
Sensors’ locations play a critical role in many sensor network applications. A number of techniques have been proposed recently to discover the locations of regular sensors base...
Donggang Liu, Peng Ning, Wenliang Du
SASN
2006
ACM
14 years 2 months ago
Inverting sensor networks and actuating the environment for spatio-temporal access control
Wireless sensor networks are typically deployed to measure the information field, rather than create an information field. However, by utilizing the radio on sensor nodes, it is...
Shu Chen, Yu Zhang, Wade Trappe
JCO
2006
234views more  JCO 2006»
13 years 8 months ago
Coverage by directional sensors in randomly deployed wireless sensor networks
We study a novel "coverage by directional sensors" problem with tunable orientations on a set of discrete targets. We propose a Maximum Coverage with Minimum Sensors (MCM...
Jing Ai, Alhussein A. Abouzeid