512 search results - page 66 / 103 » Data Quality and Query Cost in Wireless Sensor Networks |
GIL
2009
13 years 5 months ago
2009
: This paper describes a cost effective Wireless Sensor Network (WSN) technology for monitoring the health of dairy cows. By monitoring and understanding the cow individual and her...
PERCOM
2005
ACM
14 years 7 months ago
2005
ACM
In this paper, we quantify the energy cost of authentication and key exchange based on public-key cryptography on an 8-bit microcontroller platform. We present a comparison of two...
MOBIHOC
2007
ACM
14 years 7 months ago
2007
ACM
Outlier detection has many important applications in sensor networks, e.g., abnormal event detection, animal behavior change, etc. It is a difficult problem since global informati...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
In contention-based sensor networks, nodes compete to access a shared channel for data transmission and collision is a common challenge. For power conservation, periodical active/s...
PERCOM
2010
ACM
13 years 6 months ago
2010
ACM
—Data loss in wireless communications greatly affects the reconstruction quality of a signal. In the case of images, data loss results in a reduction in quality of the received i...