272 search results - page 34 / 55 » Networked Wireless Sensor Data Collection: Issues, Challenge... |
ICC
2007
IEEE
14 years 1 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...
COMSWARE
2007
IEEE
14 years 1 months ago
2007
IEEE
—Clustering techniques create hierarchal network structures, called clusters, on an otherwise flat network. Neighboring devices elect one appropriate device as clusterhead. Due t...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Current approaches to K Nearest Neighbor (KNN) search in mobile sensor networks require certain kind of indexing support. This index could be either a centralized spatial index or...
TMC
2012
11 years 10 months ago
2012
— While many protocols for sensor network security provide confidentiality for the content of messages, contextual information usually remains exposed. Such information can be c...