636 search results - page 91 / 128 » High-efficiency power amplifier for wireless sensor networks |
WS
2005
ACM
14 years 2 months ago
2005
ACM
In this paper, we analyze attacks on existing time synchronization protocols for wireless sensor networks. We propose a secure time synchronization toolbox to counter these attack...
ICCCN
2008
IEEE
14 years 3 months ago
2008
IEEE
—Broadcast presents a special challenge for Wireless Sensor Networks (WSNs). In some situation such as time synchronization or building routing path, broadcasting messages must b...
DCOSS
2005
Springer
14 years 2 months ago
2005
Springer
Implanted biological sensors are a special class of wireless sensor networks that are used in-vivo for various medical applications. One of the major challenges of continuous in-vi...
ITIIS
2010
13 years 7 months ago
2010
Data routing in wireless sensor networks must be energy-efficient because tiny sensor nodes have limited power. A cluster-based hierarchical routing is known to be more efficient ...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
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 ...