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WISEC
2010
ACM
14 years 4 months ago
2010
ACM
Key management in wireless sensor networks does not only face typical, but also several new challenges. The scale, resource limitations, and new threats such as node capture and c...
ICC
2008
IEEE
14 years 5 months ago
2008
IEEE
In this paper, we investigate the low-complexity synchronization design for multi-band orthogonalfrequency-division-multiplexing (MB-OFDM) ultra-wideband (UWB) systems. We propose...
CVPR
2011
IEEE
13 years 6 months ago
2011
IEEE
Real-time unusual event detection in video stream has been a difficult challenge due to the lack of sufficient training information, volatility of the definitions for both norm...
ADHOC
2011
13 years 6 months ago
2011
Abstract—In traditional wireless sensor network (WSN) applications, energy efficiency is considered to be the most important concern whereas utilizing the use of bandwidth and m...
ANOR
2011
13 years 6 months ago
2011
A vital task facing government agencies and commercial organizations that report data is to represent the data in a meaningful way and simultaneously to protect the confidentialit...