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» Stability analysis for cognitive radio with multi-access pri...
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TWC
2008
225views more  TWC 2008»
13 years 4 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
WCNC
2010
IEEE
13 years 3 months ago
Interference Modeling for Cognitive Radio Networks with Power or Contention Control
—In this paper, we present an interference model for cognitive radio (CR) networks employing power control or contention control scheme. The probability density functions (PDFs) ...
Zengmao Chen, Cheng-Xiang Wang, Xuemin Hong, John ...
MSWIM
2009
ACM
13 years 9 months ago
Modeling and performance evaluation of transmission control protocol over cognitive radio ad hoc networks
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
Marco Di Felice, Kaushik Roy Chowdhury, Luciano Bo...
GLOBECOM
2009
IEEE
13 years 8 months ago
Effective Capacity Analysis of Cognitive Radio Channels for Quality of Service Provisioning
In this paper, cognitive transmission under quality of service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sen...
Sami Akin, Mustafa Cenk Gursoy
ICC
2008
IEEE
117views Communications» more  ICC 2008»
13 years 11 months ago
Cognitive Radio with Secondary Packet-By-Packet Vertical Handover
– According to the commons model of cognitive radio, the activity of secondary (unlicensed) nodes is required to guarantee quality-of-service (QoS) constraints on the transmissio...
Jonathan Gambini, Osvaldo Simeone, Umberto Spagnol...