764 search results - page 110 / 153 » A gateway for wireless broadcasting |
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
Consider a set of sensors that wish to consent on the message broadcasted by a multi-antenna transmitter in the presence of white-noise jamming. The jammer’s interference introd...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
—The localization of the sensor node is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can a...
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INFOCOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— As the use of sensor networks increases, security in this domain becomes a very real concern. One fundamental aspect of providing confidentiality and authentication is key dis...
ISCC
2005
IEEE
2005
IEEE
Preserving Area Coverage in Wireless Sensor Networks by Using Surface Coverage Relay Dominating Sets
15 years 3 months ago
— Sensor networks consist of autonomous nodes with limited battery and of base stations with theoritical infinite energy. Nodes can be sleep to extend the lifespan of the networ...
JSAC
2008
14 years 9 months ago
2008
Abstract-- In broadcast fading channel, channel variations can be exploited through what is referred to as multiuser diversity and opportunistic scheduling for improving system per...