719 search results - page 19 / 144 » GPS-Free node localization in mobile wireless sensor network... |
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— In a wireless sensor network (WSN), the sensor nodes (SNs) generally localize themselves with the help of anchors that are pre-deployed in the network. Time of Arrival (ToA) is...
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ICWN
2003
14 years 11 months ago
2003
Abstract— We consider the problem of determining the positions of wireless nodes using range measurements from multiple, sparsely located, beacon stations with known locations. A...
DCOSS
2008
Springer
14 years 11 months ago
2008
Springer
We propose CaliBree, a self-calibration system for mobile wireless sensor networks. Sensors calibration is a fundamental problem in a sensor network. If sensor devices are not prop...
ICCCN
2007
IEEE
14 years 9 months ago
2007
IEEE
—Mobile sink has been adopted by many schemes for lifetime improvement in wireless sensor networks. It is necessary to propagate the topological or location changes caused by the...
ANSS
2007
IEEE
15 years 3 months ago
2007
IEEE
Data propagation in wireless sensor networks is usually performed as a multihop process. To deliver a single message, the resources of many sensor nodes are used and a lot of ener...