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CISS
2008
IEEE

126views Information Technology» more CISS 2008»

Secure transmission power of cognitive radios for dynamic spectrum access applications

14 years 2 months ago

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—One of the major concerns of cognitive radios when used for secondary spectrum access is the potential of interfering primary users, considering especially that cognitive radios...

Xiaohua Li, Jinying Chen, Fan Ng

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CISS
2008
IEEE

155views Information Technology» more CISS 2008»

Sum transmission power of multiple cooperative secondary transmitters in dynamic spectrum access networks

14 years 2 months ago

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Cognitive radio is a desirable technique for secondary users to utilize the spectrum gray space. In order to avoid intolerable interference to primary users, the transmission powe...

Juite Hwu, Jinying Chen, Xiaohua Li

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INFOCOM
2009
IEEE

184views Communications» more INFOCOM 2009»

Optimal Sensing-Transmission Structure for Dynamic Spectrum Access

14 years 2 months ago

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—In cognitive wireless networks where secondary users (SUs) opportunistically access spectral white spaces of primary users (PUs), there exists an inherent tradeoff between sensi...

Senhua Huang, Xin Liu, Zhi Ding

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GLOBECOM
2009
IEEE

104views Communications» more GLOBECOM 2009»

Analysis of Dynamic Spectrum Access with Heterogeneous Networks: Benefits of Channel Packing Scheme

14 years 2 months ago