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INFOCOM
2012
IEEE
13 years 2 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
2008
Springer
155views Education» more  CORR 2008»
14 years 9 months ago
Weighted Sum Rate Optimization for Cognitive Radio MIMO Broadcast Channels
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
Lan Zhang, Yan Xin, Ying-Chang Liang
WCNC
2008
IEEE
15 years 4 months ago
Stochastic Spectrum Pool Reassignment for Cognitive Relay Systems
— We consider a cognitive wireless relay system that operates on secondary spectrum sharing basis using spectrum pooling. A spectrum pool comprises of a set of available narrowba...
Ashish Pandharipande, Chin Keong Ho
IDT
2007
96views more  IDT 2007»
14 years 9 months ago
Fuzzy cognitive network: A general framework
In this paper, we present a general computational and operational framework for the Fuzzy Cognitive Network (FCN), which is a direct extension of Fuzzy Cognitive Maps (FCM). The pr...
Theodoros L. Kottas, Yiannis S. Boutalis, Manolis ...
ICC
2009
IEEE
134views Communications» more  ICC 2009»
15 years 4 months ago
Voice Service Support over Cognitive Radio Networks
—In this paper, quality of service (QoS) provisioning for voice service over cognitive radio networks is considered. As voice traffic is sensitive to delay, the presence of prim...
Ping Wang, Dusit Niyato, Hai Jiang