576 search results - page 45 / 116 » Challenges: communication through silence in wireless sensor... |
INFOCOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— Sensing events from dynamic environments are normally asynchronous and non-repeatable. This lack of repeatability makes it particularly difficult to statistically evaluate the...
WINET
2010
14 years 8 months ago
2010
Since wireless signals propagate through the ether, they are significantly affected by attenuation, fading, multipath, and interference. As a result, it is difficult to measure ...
ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
—This paper presents a cooperative single-input multiple-output (SIMO) transmission scheme for wireless sensor networks (WSNs), where the number of antennas and the constellation...
MOBISYS
2007
ACM
15 years 9 months ago
2007
ACM
We identify the security challenges facing a sensor network for wireless health monitoring, and propose an architecture called "SNAP" (Sensor Network for Assessment of P...
SENSYS
2009
ACM
15 years 4 months ago
2009
ACM
Energy in sensor networks is a distributed, non-transferable resource. Over time, differences in energy availability are likely to arise. Protocols like routing trees may concent...