49 search results - page 4 / 10 » A Two-Tier Market for Decentralized Dynamic Spectrum Access ... |
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...
MOBIHOC
2009
ACM
14 years 8 months ago
2009
ACM
Cognitive radio networks are emerging as a promising technology for the efficient use of radio spectrum. In these networks, there are two categories of networks on different chann...
CORR
2011
Springer
12 years 11 months ago
2011
Springer
—The fundamental problem of multiple secondary users contending for opportunistic spectrum access over multiple channels in cognitive radio networks has been formulated recently ...
ICCCN
2007
IEEE
14 years 1 months ago
2007
IEEE
To improve spectrum efficiency, future wireless devices will use cognitive radios to dynamically access spectrum. While offering great flexibility and softwarereconfigurability...
ICC
2008
IEEE
14 years 1 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...