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INFOCOM
2012
IEEE
12 years 7 days ago
Maximizing system throughput by cooperative sensing in Cognitive Radio Networks
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
Shuang Li, Zizhan Zheng, Eylem Ekici, Ness B. Shro...
CORR
2007
Springer
116views Education» more  CORR 2007»
13 years 9 months ago
Scaling Laws of Cognitive Networks
—Opportunistic secondary spectrum usage has the potential to dramatically increase spectral efficiency and rates of a network of secondary cognitive users. In this work we consi...
Mai Vu, Natasha Devroye, Masoud Sharif, Vahid Taro...
TMC
2008
180views more  TMC 2008»
13 years 9 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
JSAC
2008
125views more  JSAC 2008»
13 years 9 months ago
Optimal Competitive Algorithms for Opportunistic Spectrum Access
We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter must...
Nicholas B. Chang, Mingyan Liu
JSAC
2011
253views more  JSAC 2011»
13 years 4 months ago
Control Channel Establishment in Cognitive Radio Networks using Channel Hopping
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....
Kaigui Bian, Jung Min Park, Ruiliang Chen