40 search results - page 8 / 8 » Efficient Dynamic Spectrum Sharing in Cognitive Radio Networ... |
WICON
2008
13 years 6 months ago
2008
Cognitive radio networks that allow dynamic spectrum access are considered spectrally more efficient than networks using fixed spectral allocation. These networks are characterize...
TSP
2010
12 years 11 months ago
2010
Effective spectrum sensing is a critical prerequisite for multi-channel cognitive radio (CR) networks, where multiple spectrum bands are sensed to identify transmission opportuniti...
MOBIHOC
2010
ACM
13 years 2 months ago
2010
ACM
Dynamic spectrum auction is an effective solution to provide spectrum on-demand to many small wireless networks. As the number of participants grows, bidder collusion becomes a se...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Cognitive radio (CR) is a revolution in radio technology and is viewed as an enabling technology for dynamic spectrum access. This paper investigates how to design distributed alg...
JSAC
2011
12 years 11 months ago
2011
Abstract—In decentralized cognitive radio (CR) networks, enabling the radios to establish a control channel (i.e., “rendezvous” to establish a link) is a challenging problem....