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MOBIHOC
2004
ACM
14 years 7 months ago
Frequency rolling: a cooperative frequency hopping for mutually interfering wpans
A Wireless Personal Area Network (WPAN) provides wireless links among proximate devices, usually carried by an individual. As WPAN gains momentum in ubiquitous usage, the interfer...
Petar Popovski, Hiroyuki Yomo, Sebastien Aprili
ICC
2008
IEEE
158views Communications» more  ICC 2008»
14 years 2 months ago
Improving WSN Simulation and Analysis Accuracy Using Two-Tier Channel Models
— Accurate simulation and analysis of wireless protocols and systems is inherently dependent on an accurate model of the underlying channel. In this paper, we show that residual ...
Adnan Iqbal, Syed Ali Khayam
ICC
2008
IEEE
132views Communications» more  ICC 2008»
14 years 2 months ago
Contourlet Based Image Compression for Wireless Communication in Face Recognition System
—This paper proposes to use Contourlet transform for image compression and feature extraction for wireless face recognition system. The properties of face images and face recogni...
Yanjun Yan, Rajani Muraleedharan, Xiang Ye, Lisa A...
SENSYS
2006
ACM
14 years 2 months ago
Data compression algorithms for energy-constrained devices in delay tolerant networks
Sensor networks are fundamentally constrained by the difficulty and energy expense of delivering information from sensors to sink. Our work has focused on garnering additional si...
Christopher M. Sadler, Margaret Martonosi
CCS
2008
ACM
13 years 10 months ago
Asynchronous policy evaluation and enforcement
Evaluating and enforcing policies in large-scale networks is one of the most challenging and significant problems facing the network security community today. Current solutions ar...
Matthew Burnside, Angelos D. Keromytis