28 search results - page 1 / 6 » Optimal Power Allocation for Cognitive Radio Under Primary U... |
ICC
2009
IEEE
13 years 2 months ago
2009
IEEE
In this paper, we consider a secondary link sharing the spectrum with a primary link in a fading cognitive radio (CR) network. Instead of applying the conventional interference pow...
GLOBECOM
2008
IEEE
13 years 4 months ago
2008
IEEE
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...
TWC
2008
13 years 4 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
A weighted sum-rate maximization problem is considered for an access point (AP) allocating resources to wireless cognitive radios (CRs) communicating using orthogonal frequency-di...