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ICC
2009
IEEE
117views Communications» more  ICC 2009»
13 years 11 months ago
Two Phase Spectrum Sharing for Frequency-Agile Radio Networks
Abstract—Modern frequency-agile radios are capable of dynamically changing the spectrum width and central frequency of its channels. Existing spectrum sharing algorithms often fa...
Zhenhua Feng, Yaling Yang
INFOCOM
2009
IEEE
13 years 11 months ago
Joint Transport, Routing and Spectrum Sharing Optimization for Wireless Networks with Frequency-Agile Radios
—In this paper, we describe and analyze the design of a joint Transport, Routing and Spectrum Sharing (TRSS) optimization algorithm for wireless networks with frequencyagile radi...
Zhenhua Feng, Yaling Yang
WCNC
2008
IEEE
13 years 11 months ago
Estimation of Interference-Free Transmit Power for Opportunistic Spectrum Access
Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
Brian L. Mark, Ahmed O. Nasif
TWC
2011
320views more  TWC 2011»
12 years 12 months ago
Cognitive Transmissions with Multiple Relays in Cognitive Radio Networks
In cognitive radio networks, each cognitive transmission process typically requires two phases: the spectrum sensing phase and data transmission phase. In this paper, we investiga...
YuLong Zou, Yu-Dong Yao, Baoyu Zheng
GLOBECOM
2009
IEEE
13 years 11 months ago
On Spectrum Selection Games in Cognitive Radio Networks
Abstract—Cognitive Radio Networks aim at enhancing spectrum utilization by allowing cognitive devices to opportunistically access vast portions of the spectrum. To reach such amb...
Ilaria Malanchini, Matteo Cesana, Nicola Gatti