193 search results - page 17 / 39 » Dynamic spectrum access policies for cognitive radio |
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--Cognitive radios (CRs) are devices that access spectrum opportunistically taking advantage of unused portions of licensed spectrum. Therefore, depending on the licensed r...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
— With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilization by letting users sense and utilize available spec...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resour...
WCNC
2010
IEEE
13 years 6 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...