30 search results - page 6 / 6 » mobihoc 2009 |
MOBIHOC
2009
ACM
14 years 5 months ago
2009
ACM
Most future large-scale sensor networks are expected to follow a two-tier architecture which consists of resource-rich master nodes at the upper tier and resource-poor sensor node...
MOBIHOC
2009
ACM
14 years 5 months ago
2009
ACM
Sectorized antennas can increase wireless network capacity through greater spatial reuse. Despite their increasing popularity, their real-world performance characteristics in dens...
MOBIHOC
2009
ACM
14 years 5 months ago
2009
ACM
We consider a high density of sensors randomly placed in a geographical area for event monitoring. The monitoring regions of the sensors may have significant overlap, and a subset...
MOBIHOC
2009
ACM
13 years 11 months ago
2009
ACM
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...
CCS
2009
ACM
13 years 11 months ago
2009
ACM
We show attacks on several cryptographic schemes that have recently been proposed for achieving various security goals in sensor networks. Roughly speaking, these schemes all use ...