95 search results - page 6 / 19 » Optimal cooperative spectrum sensing in cognitive sensor net... |
WCNC
2010
IEEE
13 years 5 months ago
2010
IEEE
—Dynamic spectrum access (DSA) aims to improve spectrum efficiency via spectrum sensing and optimal spectrum access. An essential component in DSA is the joint design of sensing...
JSAC
2011
12 years 10 months ago
2011
—In this paper, we propose a spectrum allocation framework that jointly considers the Quality-of-Service (QoS) provisioning for heterogeneous secondary Real-Time (RT) and Non-Rea...
GLOBECOM
2008
IEEE
13 years 8 months ago
2008
IEEE
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In cognitive radio (CR) networks, multi-CR cooperation typically takes place during spectrum sensing, to cope with wireless fading effects and the hidden terminal problem. The use...
TSP
2010
13 years 2 months ago
2010
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...