512 search results - page 65 / 103 » Random Access Systems with a Time Varying Channel |
115
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PERVASIVE
2008
Springer
14 years 10 months ago
2008
Springer
In energy constrained wireless sensor networks, energy conservation techniques are to be applied in order to maximize the system lifetime. We tackle the problem of increasing netw...
SASO
2007
IEEE
15 years 4 months ago
2007
IEEE
Internet Connectivity Establishment (ICE) is becoming increasingly important for P2P systems on the open Internet, as it enables NAT-bound peers to provide accessible services. A ...
VTC
2006
IEEE
15 years 4 months ago
2006
IEEE
— We propose a new multicast scheduling scheme which can achieve the proportional fair (PF) allocation in the wireless cellular systems. In case of multicast, the scheduler in th...
108
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JSAC
2011
14 years 5 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
IWCMC
2009
ACM
15 years 4 months ago
2009
ACM
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...