175 search results - page 3 / 35 » Adaptive spectrum sensing for agile cognitive radios |
WICON
2008
13 years 9 months ago
2008
Demand-driven spectrum allocation can drastically improve performance for WiFi access points struggling under increasing user demands. While their frequency agility makes cognitive...
JSAC
2011
13 years 2 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
TMC
2008
13 years 7 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...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
IWCMC
2010
ACM
13 years 9 months ago
2010
ACM
To network cognitive radios that require spectrum sensing to identify transmission opportunities emerges as a critical technology to facilitate spectrum efficient wireless communi...