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- W4285147978 abstract "In this letter, we consider a two-way relay <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>cognitive satellite terrestrial network</i> (CSTN) in the presence of a friendly jammer and an <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>eavesdropper</i> (Eve). In this system, we investigate the tradeoff between the <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>secure spectrum efficiency</i> (SSE) and the <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>secure energy efficiency</i> (SEE). To be specific, firstly, two frames corresponding to the busy and idle working states of the <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>primary users</i> (PUs) are designed to flexibly analyze the system performance. Secondly, the SSEs, SEEs, and utility functions for both the cognitive satellite network and the terrestrial primary network are deduced, respectively, considering the different working states of the PUs and the Eve. Finally, based on the Stackelberg Game model, the mathematically intractable problem on the spectrum-energy exchange is solved, thus we maximize the SSE and the SEE jointly. Numerical results are given to validate that there exists an SSE-SEE tradeoff. Also, we show that the proposed spectrum-energy exchange scheme based on the Stackelberg Game outperforms the fixed parameter allocation scheme remarkably." @default.
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- W4285147978 date "2022-08-01" @default.
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- W4285147978 title "Secure Spectrum-Energy Efficiency Tradeoff Based on Stackelberg Game in a Two-Way Relay Cognitive Satellite Terrestrial Network" @default.
- W4285147978 doi "https://doi.org/10.1109/lwc.2022.3172129" @default.
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