625 search results - page 29 / 125 » Approximating Travel Times Using Opportunistic Networking |
JDM
2000
14 years 11 months ago
2000
Advanced Traveler Information Systems (ATIS) require e cient information retrieval and updating in a dynamic environment at di erent geographical scales. ATIS applications are use...
INFOCOM
2009
IEEE
15 years 6 months ago
2009
IEEE
—The recently proposed Pocket Switched Network paradigm takes advantage of human social contacts to opportunistically create data paths over time. We examine how effective such a...
112
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INFOCOM
2012
IEEE
13 years 2 months ago
2012
IEEE
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
130
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MOBICOM
2009
ACM
15 years 6 months ago
2009
ACM
Establishing a control channel for medium access control is a challenging problem in multi-channel and dynamic spectrum access (DSA) networks. In the design of multi-channel MAC p...
117
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CN
2006
14 years 11 months ago
2006
Today's wireless networks are characterized by a fixed spectrum assignment policy. However, a large portion of the assigned spectrum is used sporadically and geographical var...