96 search results - page 18 / 20 » Resource allocation for spectrum underlay in cognitive radio... |
CORR
2008
Springer
13 years 5 months ago
2008
Springer
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
WOWMOM
2009
ACM
14 years 8 days ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
INFOCOM
2007
IEEE
14 years 1 days ago
2007
IEEE
— The Interference Temperature Model was proposed by the FCC in 2003 as a way to dynamically manage and allocate spectrum resources. It would allow unlicensed radios to sense the...
WCNC
2010
IEEE
13 years 9 months ago
2010
IEEE
To mitigate inter-cell interference (ICI) and achieve higher spectrum efficiency, fractional frequency reuse (FFR) has been widely adopted by the next generation wireless systems...
TCOM
2010
13 years 4 months ago
2010
Abstract— In this paper, we study the coexistence and optimization of a multicell cognitive radio network (CRN) which is overlaid with a multicell primary radio network (PRN). We...