463 search results - page 13 / 93 » Delay-Based Network Utility Maximization |
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
In a cognitive radio network, the full-spectrum is usually divided into multiple channels. However, due to the hardware and energy constraints, a cognitive user (also called second...
CN
2008
13 years 7 months ago
2008
This paper deals with a congestion control framework for elastic and real-time traffic, where the user's application is associated with a utility function. We allow users to ...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— Energy consumption is a main issue of concern in wireless networks. Energy minimization increases the time that networks’ nodes work properly without recharging or substituti...
MOBICOM
2009
ACM
14 years 1 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
MOBIHOC
2012
ACM
11 years 9 months ago
2012
ACM
With recent advances in Software-defined Radios (SDRs), it has indeed became feasible to dynamically adapt the channel widths at smaller time scales. Even though the advantages o...