1517 search results - page 118 / 304 » Time and Location Based Services with Access Control |
TMC
2010
14 years 4 months ago
2010
Although the EDCA access mechanism of the 802.11e standard supports legacy DCF stations, the presence of DCF stations in the WLAN jeopardizes the provisioning of the service guaran...
108
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PERVASIVE
2011
Springer
14 years 26 days ago
2011
Springer
Abstract. Accurate and fine-grained prediction of future user location and geographical profile has interesting and promising applications including targeted content service, adv...
TWC
2008
14 years 10 months ago
2008
In modern wireless communication systems, power control plays a fundamental role for efficient resource utilization, in particular in the systems where the users share the same ban...
CAINE
2004
14 years 11 months ago
2004
On the Internet, it is common practice to use a computer to provide web caching services. Such services aim to reduce network utilization and improve access time to a web page. Li...
132
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VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...