Sciweavers

11 search results - page 2 / 3
» A Spectrum-Shaping Perspective on Cognitive Radio
Sort
View
INFOCOM
2008
IEEE
13 years 11 months ago
QoS Performance Analysis of Cognitive Radio-Based Virtual Wireless Networks
—Cognitive radio presents a new approach to wireless spectrum utilization and management. In this work, the potential performance improvement gained by applying cognitive radio t...
Brent Ishibashi, Nizar Bouabdallah, Raouf Boutaba
ICC
2007
IEEE
151views Communications» more  ICC 2007»
13 years 11 months ago
Sensing-Throughput Tradeoff for Cognitive Radio Networks
— In cognitive radio networks, the secondary network (users) are allowed to utilize the frequency bands of primary network (users) when they are not currently being used. To supp...
Ying-Chang Liang, Yonghong Zeng, Edward Chu Yeow P...
MOBICOM
2009
ACM
13 years 11 months ago
Revenue maximization and distributed power allocation in cognitive radio networks
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...
Shaolei Ren, Mihaela van der Schaar
CORR
2007
Springer
151views Education» more  CORR 2007»
13 years 5 months ago
Exploiting Multi-Antennas for Opportunistic Spectrum Sharing in Cognitive Radio Networks
—In cognitive radio (CR) networks, there are scenarios where the secondary (lower priority) users intend to communicate with each other by opportunistically utilizing the transmi...
Rui Zhang, Ying-Chang Liang
TMC
2008
180views more  TMC 2008»
13 years 5 months ago
OS-MAC: An Efficient MAC Protocol for Spectrum-Agile Wireless Networks
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...
Bechir Hamdaoui, Kang G. Shin