293 search results - page 4 / 59 » Opportunistic Multiple Access for Cognitive Radio Networks |
INFOCOM
2012
IEEE
11 years 8 months ago
2012
IEEE
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
ICC
2008
IEEE
14 years 8 days ago
2008
IEEE
—We consider opportunistic communications over multiple channels where the state (“good” or “bad”) of each channel evolves as independent and identically distributed Mark...
JSAC
2008
13 years 5 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
JSAC
2008
13 years 5 months ago
2008
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
ICC
2007
IEEE
14 years 4 days ago
2007
IEEE
With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...