898 search results - page 107 / 180 » Wireless underground sensor networks: Research challenges |
ADHOCNETS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. As wireless sensor networks gain in popularity, many deployments are posing new challenges due to their diverse topologies and resource constraints. Previous work has sho...
CN
2006
13 years 9 months ago
2006
Today's wireless networks are characterized by a fixed spectrum assignment policy. However, a large portion of the assigned spectrum is used sporadically and geographical var...
ICDCS
2008
IEEE
14 years 3 months ago
2008
IEEE
Wireless Sensor Networks (WSNs) are employed in many applications in order to collect data. One key challenge is to minimize energy consumption to prolong network lifetime. A sche...
INFOCOM
2012
IEEE
11 years 11 months ago
2012
IEEE
Abstract—Wireless sensor networks are evolving from singleapplication platforms towards an integrated infrastructure shared by multiple applications. Given the resource constrain...
COMCOM
2011
13 years 3 months ago
2011
Key distribution in Wireless Sensor Networks (WSNs) is challenging. Symmetric cryptosystems can perform it efficiently, but they often do not provide a perfect trade-off between ...