1517 search results - page 216 / 304 » Time and Location Based Services with Access Control |
TC
2008
14 years 9 months ago
2008
Real-time services such as VoIP are becoming popular and are major revenue earners for network service providers. These services are no longer confined to the wired domain and are ...
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Publication
Global Positioning System (GPS) Technology allows precise determination of location, velocity, direction, and time. The price of GPS receivers is falling rapidly and the applicatio...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract—This paper presents a protocol-independent approach to reveal a new insight into the performance of carrier sense multiple access with collision avoidance (CSMA/CA) prot...
SMC
2007
IEEE
15 years 4 months ago
2007
IEEE
—Rain and snow can have a distorting effect on Ku and Ka bands signal fidelity resulting in excessive digital transmission errors. This loss of signal attenuation is commonly ref...
DRM
2008
Springer
14 years 11 months ago
2008
Springer
In this paper we present Trishul-UCON (T-UCON), a DRM system based on the UCONABC model. T-UCON is designed to be capable of enforcing not only application-specific policies, as a...