346 search results - page 20 / 70 » Boundary Estimation in Sensor Networks: Theory and Methods |
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Sensor network localization is an instance of the NP-HARD graph realization problem. Thus, methods used in practice are not guaranteed to find the correct localization, even if...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Given a wireless sensor network (WSN) whose sensors are randomly and independently distributed in a bounded area following a homogeneous Poisson process with density ρ and eac...
MOBICOM
2004
ACM
14 years 25 days ago
2004
ACM
Sensor networks are often desired to last many times longer than the active lifetime of individual sensors. This is usually achieved by putting sensors to sleep for most of their ...
TSP
2008
13 years 6 months ago
2008
In this paper, energy-based localization methods for source localization in sensor networks are examined. The focus is on least-squares-based approaches due to a good tradeoff betw...
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— In wireless sensor networks (WSNs), sensor location plays a critical role in many applications. Having a GPS receiver on every sensor node is costly. In the past, a number of l...