Please use this identifier to cite or link to this item: http://localhost/handle/Hannan/660461
Title: Transmission Strategy With Cooperative Sensors in Cognitive Radio Networks
Authors: Shao-Chou Hung;Yong Xiao;Kwang-Cheng Chen
subject: Min-Max|Bayesian risk|Nash equilibrium|Cooperative sensor|Cognitive Radio
Year: 2016
Publisher: IEEE
Abstract: Cooperative spectrum sensing is a technology that allows cooperative sensors to assist cognitive radio (CR) transmitters to intelligently decide their transmission opportunities. Transmissions can only be successful if spectrum is available for both CR transmitters and receivers. Motivated by this observation, we use a Boolean-Poisson model to analyze the geometric property of the geographical region that allows CR transmission to be helped with cooperative sensors. We find that cooperative sensing cannot always be helpful and that the region allowing CR transmission is generally not circular symmetry. We identify the condition that transmission link is bidirectional. We further extend this model into the suboptimal scenario among the secondary users and the corresponding transmission allowable region. We derive the condition for which secondary users cannot reduce their Bayesian risk by using cooperative sensors. We conclude with the guidelines for deploying CRs into the existing network.
URI: http://localhost/handle/Hannan/180868
http://localhost/handle/Hannan/660461
ISSN: 0018-9545
1939-9359
volume: 65
issue: 5
Appears in Collections:2016

Files in This Item:
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7113905.pdf1.62 MBAdobe PDFThumbnail
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Title: Transmission Strategy With Cooperative Sensors in Cognitive Radio Networks
Authors: Shao-Chou Hung;Yong Xiao;Kwang-Cheng Chen
subject: Min-Max|Bayesian risk|Nash equilibrium|Cooperative sensor|Cognitive Radio
Year: 2016
Publisher: IEEE
Abstract: Cooperative spectrum sensing is a technology that allows cooperative sensors to assist cognitive radio (CR) transmitters to intelligently decide their transmission opportunities. Transmissions can only be successful if spectrum is available for both CR transmitters and receivers. Motivated by this observation, we use a Boolean-Poisson model to analyze the geometric property of the geographical region that allows CR transmission to be helped with cooperative sensors. We find that cooperative sensing cannot always be helpful and that the region allowing CR transmission is generally not circular symmetry. We identify the condition that transmission link is bidirectional. We further extend this model into the suboptimal scenario among the secondary users and the corresponding transmission allowable region. We derive the condition for which secondary users cannot reduce their Bayesian risk by using cooperative sensors. We conclude with the guidelines for deploying CRs into the existing network.
URI: http://localhost/handle/Hannan/180868
http://localhost/handle/Hannan/660461
ISSN: 0018-9545
1939-9359
volume: 65
issue: 5
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7113905.pdf1.62 MBAdobe PDFThumbnail
Preview File
Title: Transmission Strategy With Cooperative Sensors in Cognitive Radio Networks
Authors: Shao-Chou Hung;Yong Xiao;Kwang-Cheng Chen
subject: Min-Max|Bayesian risk|Nash equilibrium|Cooperative sensor|Cognitive Radio
Year: 2016
Publisher: IEEE
Abstract: Cooperative spectrum sensing is a technology that allows cooperative sensors to assist cognitive radio (CR) transmitters to intelligently decide their transmission opportunities. Transmissions can only be successful if spectrum is available for both CR transmitters and receivers. Motivated by this observation, we use a Boolean-Poisson model to analyze the geometric property of the geographical region that allows CR transmission to be helped with cooperative sensors. We find that cooperative sensing cannot always be helpful and that the region allowing CR transmission is generally not circular symmetry. We identify the condition that transmission link is bidirectional. We further extend this model into the suboptimal scenario among the secondary users and the corresponding transmission allowable region. We derive the condition for which secondary users cannot reduce their Bayesian risk by using cooperative sensors. We conclude with the guidelines for deploying CRs into the existing network.
URI: http://localhost/handle/Hannan/180868
http://localhost/handle/Hannan/660461
ISSN: 0018-9545
1939-9359
volume: 65
issue: 5
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7113905.pdf1.62 MBAdobe PDFThumbnail
Preview File