10773 search results - page 2126 / 2155 » Ambient Computational Environments |
MOBICOM
2010
ACM
13 years 10 months ago
2010
ACM
We report a first-of-its-kind realization of directional transmission for smartphone-like mobile devices using multiple passive directional antennas, supported by only one RF chai...
MOBICOM
2010
ACM
13 years 10 months ago
2010
ACM
Information on site-specific spectrum characteristics is essential to evaluate and improve the performance of wireless networks. However, it is usually very costly to obtain accur...
MOBICOM
2010
ACM
13 years 10 months ago
2010
ACM
WiFi networks have enjoyed an unprecedent penetration rate in recent years. However, due to the limited coverage, existing WiFi infrastructure only provides intermittent connectiv...
MOBICOM
2010
ACM
13 years 10 months ago
2010
ACM
Localization is a fundamental operation for many wireless networks. While GPS is widely used for location determination, it is unavailable in many environments either due to its h...
CCS
2010
ACM
13 years 10 months ago
2010
ACM
Models based on system calls are a popular and common approach to characterize the run-time behavior of programs. For example, system calls are used by intrusion detection systems...