17932 search results - page 126 / 3587 » Wireless communications systems |
124
Voted
GLOBECOM
2007
IEEE
15 years 10 months ago
2007
IEEE
— We analyze the performance of a wireless system that allows opportunistic spectrum sharing. The system consists of a set of primary users sharing a set of channels over a cover...
115
Voted
MOBISYS
2009
ACM
16 years 4 months ago
2009
ACM
In this work, we study the security of public WLAN-based positioning systems. Specifically, we investigate the Skyhook positioning system, available on PCs and used on a number of...
137
Voted
INFOCOM
2011
IEEE
14 years 7 months ago
2011
IEEE
—Content downloading in vehicular networks is a topic of increasing interest: services based upon it are expected to be hugely popular and investments are planned for wireless ro...
129
Voted
WIMOB
2008
IEEE
15 years 10 months ago
2008
IEEE
The integration of different wireless access technologies combined with the huge characteristic diversity of supported services in next-generation systems creates a real heterogen...
108
Voted
CHI
2003
ACM
16 years 4 months ago
2003
ACM
Safe & Sound uses location-aware mobile phones to create a "virtual leash"; a secure zone beyond which a child may not travel. If the child leaves this zone, both ch...