898 search results - page 79 / 180 » Wireless underground sensor networks: Research challenges |
JCM
2007
13 years 8 months ago
2007
Abstract— Wireless Sensor Networks (WSNs) have the potential of significantly enhancing our ability to monitor and interact with our physical environment. Realizing a faulttoler...
MDM
2010
Springer
14 years 1 months ago
2010
Springer
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
GLOBECOM
2008
IEEE
14 years 3 months ago
2008
IEEE
—We present a novel approach for minimizing the energy consumption of medium access control (MAC) protocols developed for duty-cycled wireless sensor networks (WSN) for the unslo...
ICCCN
2007
IEEE
14 years 24 days ago
2007
IEEE
Wireless sensor networks (WSNs) introduce new challenges to topology control due to the prevalence of lossy links. We propose a new topology control formulation for lossy WSNs that...
INFOCOM
2010
IEEE
13 years 7 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...