161 search results - page 22 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
INFOCOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- In this paper, we consider the problem of optimal control for throughput utility maximization in cognitive radio networks with dynamic user arrivals and departures. The ...
JSAC
2011
14 years 11 days ago
2011
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
TCOM
2010
14 years 7 months ago
2010
Abstract— In this paper, we study the coexistence and optimization of a multicell cognitive radio network (CRN) which is overlaid with a multicell primary radio network (PRN). We...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--Cognitive radio networks require fast and reliable spectrum sensing to achieve high network utilization by secondary users. Current optimization approaches to spectrum se...
JSAC
2008
14 years 9 months ago
2008
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...