216 search results - page 41 / 44 » Gradient clock synchronization in wireless sensor networks |
PERCOM
2006
ACM
14 years 7 months ago
2006
ACM
We propose several localized sensor area coverage protocols, for arbitrary ratio of sensing and transmission radii. Sensors are assumed to be time synchronized, and active sensors...
DCOSS
2006
Springer
13 years 11 months ago
2006
Springer
The paper studies the optimal placement of multiple cameras and the selection of the best subset of cameras for single target localization in the framework of sensor networks. The ...
MOBIHOC
2007
ACM
14 years 7 months ago
2007
ACM
A substantial percentage of links in wireless networks, especially low-power ones, is asymmetric. For the low-quality direction of asymmetric links, we observe based on testbed ex...
ADHOCNETS
2009
Springer
14 years 2 months ago
2009
Springer
Although IEEE 802.15.4 is being considered as a promising standard for low-cost low-power Wireless Sensor Networks (WSNs), several issues in the specification are still open. One o...
ICCCN
2008
IEEE
14 years 2 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...