Robust Power Control with Distribution Uncertainty in Cognitive Radio Networks

In cognitive radio networks, it is often impossible to have regular information exchange between PUs and SUs. This implies that SUs are unable to obtain up-to-date channel information at the PU side, and will face technical challenges in accurately controlling their interference to PUs through power...

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Veröffentlicht in:	IEEE journal on selected areas in communications 2013-11, Vol.31 (11), p.2397-2408
Hauptverfasser:	Shimin Gong, Ping Wang, Yongkang Liu, Weihua Zhuang
Format:	Artikel
Sprache:	eng
Schlagworte:	Channel estimation Cognitive power control concave-convex procedure distribution uncertainty Interference Power control probabilistic distance measure Receivers robust optimization Robustness Signal to noise ratio Uncertainty
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