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» Error estimation in wireless sensor networks
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TSP
2008
179views more  TSP 2008»
13 years 7 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»
14 years 1 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»
14 years 1 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
14 years 2 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
13 years 9 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 ...