21 search results - page 3 / 5 » On the feasibility of effective opportunistic spectrum acces... |
ICASSP
2009
IEEE
14 years 10 days ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
WIOPT
2010
IEEE
13 years 3 months ago
2010
IEEE
—Cognitive radio networks provide the capability to share the wireless channel with licensed (primary) users in an opportunistic manner. Primary users have a license to operate i...
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...
GLOBECOM
2007
IEEE
13 years 12 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
TMC
2008
13 years 5 months ago
2008
Wireless networks and devices have rapidly been gaining popularity over their wired counterparts. This popularity, in turn, has been generating an explosive and ever-increasing dem...