193 search results - page 16 / 39 » Dynamic spectrum access policies for cognitive radio |
WICON
2008
13 years 9 months ago
2008
Cognitive radio networks that allow dynamic spectrum access are considered spectrally more efficient than networks using fixed spectral allocation. These networks are characterize...
TWC
2010
13 years 2 months ago
2010
Dynamic spectrum leasing (DSL) is one of the schemes proposed for dynamic spectrum sharing (DSS) in cognitive radio networks. In DSL, spectrum owners, denoted as primary users, dyn...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
CORR
2007
Springer
13 years 7 months ago
2007
Springer
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...
SECON
2010
IEEE
13 years 5 months ago
2010
IEEE
Wireless communications over water may suffer from serious multipath fading due to strong specular reflections from conducting water surfaces. Cognitive radios enable dynamic spect...