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CISS
2008
IEEE
14 years 1 months ago
Distributed estimation in wireless sensor networks via variational message passing
Abstract – In this paper, a variational message passing framework is proposed for Markov random fields. Analogous to the traditional belief propagation algorithm, variational mes...
Yanbing Zhang, Huaiyu Dai
WS
2005
ACM
14 years 29 days ago
Group-based key pre-distribution in wireless sensor networks
Many key pre-distribution techniques have been developed recently to establish pairwise keys for wireless sensor networks. To further improve these schemes, researchers have propo...
Donggang Liu, Peng Ning, Wenliang Du
WISEC
2010
ACM
14 years 6 days ago
Secure walking GPS: a secure localization and key distribution scheme for wireless sensor networks
In many applications of wireless sensor networks, sensor nodes are manually deployed in hostile environments where an attacker can disrupt the localization service and tamper with...
Qi Mi, John A. Stankovic, Radu Stoleru
WSNA
2003
ACM
14 years 19 days ago
Analysis on the redundancy of wireless sensor networks
Wireless sensor networks consist of a large number of tiny sensors that have only limited energy supply. One of the major challenges in constructing such networks is to maintain l...
Yong Gao, Kui Wu, Fulu Li
ICWMC
2006
IEEE
14 years 1 months ago
A Coverage Analysis of Amplify-and-Forward Relaying Schemes in Outdoor Urban Environment
— The use of cellular systems enhanced by fixed relays has previously been proposed as a way to provide wide area coverage for high bit-rate at a reduced cost of the wireless ac...
Bogdan Timus