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» Error estimation in wireless sensor networks
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TSP
2008
179views more  TSP 2008»
14 years 9 months ago
Estimation in Gaussian Graphical Models Using Tractable Subgraphs: A Walk-Sum Analysis
Graphical models provide a powerful formalism for statistical signal processing. Due to their sophisticated modeling capabilities, they have found applications in a variety of fie...
V. Chandrasekaran, Jason K. Johnson, Alan S. Wills...
VTC
2006
IEEE
117views Communications» more  VTC 2006»
15 years 3 months ago
Design and Implementation of Robust Time/Frequency Offset Tracking Algorithm for MIMO-OFDM Receivers
— In this paper, the robust time and frequency offset tracking algorithms and architecture for high throughput wireless local area network (WLAN) systems are presented. The desig...
Il-Gu Lee, Heejung Yu, Eunyoung Choi, Jungbo Son, ...
DATE
2005
IEEE
143views Hardware» more  DATE 2005»
15 years 3 months ago
galsC: A Language for Event-Driven Embedded Systems
— We introduce galsC, a language designed for programming event-driven embedded systems such as sensor networks. galsC implements the TinyGALS programming model. At the local lev...
Elaine Cheong, Jie Liu
PIMRC
2008
IEEE
15 years 3 months ago
Decoding-based channel estimation for selective cooperation diversity protocols
— We describe and analyze Minimum Path Difference (MPD), a metric to improve threshold-based Selection Decodeand-Forward (SDF) protocols in cooperative wireless networks with cha...
Stefan Valentin, Tobias Volkhausen, Furuzan Atay O...
DCOSS
2008
Springer
14 years 11 months ago
An Information Theoretic Framework for Field Monitoring Using Autonomously Mobile Sensors
We consider a mobile sensor network monitoring a spatio-temporal field. Given limited caches at the sensor nodes, the goal is to develop a distributed cache management algorithm to...
Hany Morcos, George Atia, Azer Bestavros, Ibrahim ...