1600 search results - page 103 / 320 » Clustering for opportunistic communication |
208
click to vote
GLOBECOM
2007
IEEE
15 years 8 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...
161
click to vote
MOBICOM
2010
ACM
15 years 6 months ago
2010
ACM
Finding a person in a public place, such as in a library, conference hotel, or shopping mall, can be difficult. The difficulty arises from not knowing where the person may be at t...
152
click to vote
CORR
2007
Springer
15 years 6 months ago
2007
Springer
—Opportunistic secondary spectrum usage has the potential to dramatically increase spectral efficiency and rates of a network of secondary cognitive users. In this work we consi...
208
click to vote
COMCOM
2007
15 years 6 months ago
2007
In this paper we address the problem of constrained optimization (ILP formulation) and propose a set of heuristic algorithms for assigning light-trails [1–4,7,10] to WDM ring ne...
191
click to vote
INFOCOM
2010
IEEE
15 years 4 months ago
2010
IEEE
—In this paper we develop a unified theoretical framework for estimating various transmission costs of packet forwarding in wireless networks. Our framework can be applied to th...