43 search results - page 3 / 9 » Spectral Efficiency of Cognitive Radio Systems |
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
— In this paper, we study the weighted sum rate maximization of multicell cellular cognitive radio networks (CRNs) which are overlaid with multicell primary radio networks (PRNs)...
PIMRC
2010
IEEE
13 years 3 months ago
2010
IEEE
Multihop and multipoint transmissions are two of the main features towards an increased spectral efficiency for the LTE-Advanced mobile radio system. Fixed wireless relays with in-...
GLOBECOM
2007
IEEE
13 years 7 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...
IWCMC
2009
ACM
13 years 11 months ago
2009
ACM
This paper presents the application of cognitive algorithm for a stream diffusion in home theatre “5+1 audio” surround applications. We develop a wavelet-based method to effic...
ITIIS
2010
13 years 3 months ago
2010
Cognitive Radio is an advanced enabling technology for the efficient utilization of vacant spectrum due to its ability to sense the spectrum environment. It is important to determ...