Energy-Efficient Secure Communications for Wireless-Powered Cognitive Radio Networks
In this study, we investigate energy-efficient secure communications for wireless-powered cognitive ratio networks, in which multiple secondary users (SUs) share the same frequency band with primary users (PUs) and energy harvesting (EH) nodes harvest energy from the transmitted signals, even though...
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Format: | Article |
Language: | English |
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MDPI AG
2021-12-01
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Series: | Sensors |
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Online Access: | https://www.mdpi.com/1424-8220/21/23/8040 |