264 search results - page 5 / 53 » Resource and power costs in dynamic spectrum allocation |
MOBIHOC
2009
ACM
14 years 1 months ago
2009
ACM
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...
SIGMETRICS
2008
ACM
13 years 7 months ago
2008
ACM
abstract, we propose a study on joint rate-and-power allocation problem for multi-channel spectrum sharing networks (SSNs). We formulate this cross-layer optimization problem as a...
ICNP
1997
IEEE
13 years 11 months ago
1997
IEEE
Network multimedia applications require certain performance guarantees that can be provided through proper resource allocation. Allocation techniques are needed to provide these g...
TWC
2008
13 years 6 months ago
2008
In this paper, a dynamic subcarrier and power allocation problem is considered in the context of asymptotic utility maximization in multi-carrier systems. Using the gradient-based...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract—This paper presents the first analytical study of optimal investment and pricing decisions of a cognitive mobile virtual network operator (C-MVNO) under spectrum supply...