138 search results - page 21 / 28 » Ensuring Area Coverage in Hybrid Wireless Sensor Networks |
PERCOM
2005
ACM
14 years 7 months ago
2005
ACM
We propose a hybrid model to alleviate the notorious problem of premature battery depletion in sensor networks: in a first stage, simple sensors are deployed over an area of inter...
MOBISYS
2006
ACM
14 years 7 months ago
2006
ACM
The majority of security schemes available for sensor networks assume deployment in areas without access to a wired infrastructure. More specifically, nodes in these networks are ...
TMC
2010
13 years 6 months ago
2010
—Location and intersensor distance estimations are important functions for the operation of wireless sensor networks, especially when protocols can benefit from the distance info...
HICSS
2009
IEEE
14 years 2 months ago
2009
IEEE
This work reports the experience on the design and deployment of a WSN-based system for monitoring the productive cycle of high-quality wine in a Sicilian winery. Besides providin...
INFOCOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—Sleep-wake scheduling is an effective mechanism to prolong the lifetime of energy-constrained wireless sensor networks. However, it incurs an additional delay for packet deliver...