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GLOBECOM
2009
IEEE
13 years 10 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
JSAC
2011
215views more  JSAC 2011»
12 years 10 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—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...
Xi Zhang, Hang Su
VTC
2010
IEEE
174views Communications» more  VTC 2010»
13 years 2 months ago
An Opportunistic Spectrum Scheduling Scheme for Multi-Channel Cognitive Radio Networks
—In this paper, we develop an opportunistic spectrum scheduling scheme for cognitive radio networks. In the proposed scheme, the channel status (i.e., whether being occupied by p...
Vamsi Krishna Tumuluru, Ping Wang, Dusit Niyato
CORR
2007
Springer
151views Education» more  CORR 2007»
13 years 3 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
GLOBECOM
2007
IEEE
13 years 5 months ago
Hardware-Constrained Multi-Channel Cognitive MAC
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...
Juncheng Jia, Qian Zhang