17932 search results - page 126 / 3587 » Wireless communications systems |
153
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GLOBECOM
2007
IEEE
16 years 14 days 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...
153
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MOBISYS
2009
ACM
16 years 6 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...
165
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INFOCOM
2011
IEEE
14 years 9 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...
153
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WIMOB
2008
IEEE
16 years 15 days 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...
138
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CHI
2003
ACM
16 years 6 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...