32 search results - page 5 / 7 » A Business Model Framework for Dynamic Spectrum Access in Co... |
MOBIHOC
2012
ACM
11 years 8 months ago
2012
ACM
A key feature of wireless communications is the spatial reuse. However, the spatial aspect is not yet well understood for the purpose of designing efficient spectrum sharing mecha...
INFOCOM
2010
IEEE
13 years 4 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
GLOBECOM
2008
IEEE
14 years 7 days ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...
TCOM
2010
13 years 4 months ago
2010
Abstract—This paper considers an uplink time division multiple access (TDMA) cognitive radio network where multiple cognitive radios (secondary users) attempt to access a spect...
MOBICOM
2009
ACM
14 years 9 days ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...