53 search results - page 5 / 11 » Secure transmission power of cognitive radios for dynamic sp... |
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...
JSAC
2008
13 years 7 months ago
2008
Wireless Mesh Networks (WMNs) are envisaged to extend Internet access and other networking services in personal, local, campus, and metropolitan areas. Mesh routers (MR) form the c...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
—The key idea of dynamic spectrum access (DSA) networks is to allow the secondary, unlicensed users to detect and use unused portions of the spectrum (white spaces) opportunistic...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
— In this paper, we evaluate a cognitive radio transceiver employing both non-contiguous multicarrier modulation (NC-MCM) and adaptive bit allocation. Although NCMCM and bit allo...
TCOM
2010
13 years 6 months ago
2010
Dynamic spectrum access (DSA) is an integral part of cognitive radio technology aiming at efficient management of the available power and bandwidth resources. The present paper d...