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ICDE
2006
IEEE
163views Database» more  ICDE 2006»
16 years 8 months ago
A Sampling-Based Approach to Optimizing Top-k Queries in Sensor Networks
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
Adam Silberstein, Carla Schlatter Ellis, Jun Yang ...
PERCOM
2009
ACM
16 years 7 months ago
High Accuracy Context Recovery using Clustering Mechanisms
This paper examines the recovery of user context in indoor environments with existing wireless infrastructures to enable assistive systems. We present a novel approach to the extra...
Dinh Q. Phung, Brett Adams, Kha Tran, Svetha Venka...
PERCOM
2009
ACM
16 years 7 months ago
Caveat Emptor: A Comparative Study of Secure Device Pairing Methods
Abstract--"Secure Device Pairing" is the process of bootstrapping a secure channel between two previously unassociated devices over a (usually wireless) human-imperceptib...
Arun Kumar, Nitesh Saxena, Gene Tsudik, Ersin Uzun
PERCOM
2009
ACM
16 years 7 months ago
Practical Rate Adaptation in Mobile Environments
Channel asymmetry and high fluctuation of channel conditions are two salient characteristics of wireless channels in mobile environments. Therefore, when using IEEE 802.11 devices ...
Xi Chen, Prateek Gangwal, Daji Qiao
EWSN
2009
Springer
16 years 7 months ago
A Better Choice for Sensor Sleeping
Sensor sleeping is a widely-used and cost-effective technique to save energy in wireless sensor networks. Protocols at different stack levels can, either individually or simultaneo...
Ou Yang, Wendi Rabiner Heinzelman