Smart City Gnosys
Smart city article details
| Title | Secure Swarm Uav-Assisted Communications With Cooperative Friendly Jamming |
|---|---|
| ID_Doc | 47684 |
| Authors | Dang-Ngoc H.; Nguyen D.N.; Ho-Van K.; Hoang D.T.; Dutkiewicz E.; Pham Q.-V.; Hwang W.-J. |
| Year | 2022 |
| Published | IEEE Internet of Things Journal, 9, 24 |
| DOI | http://dx.doi.org/10.1109/JIOT.2022.3197975 |
| Abstract | This article proposes a cooperative friendly jamming framework for swarm unmanned aerial vehicle (UAV)-assisted amplify-and-forward (AF) relaying networks with wireless energy harvesting (EH). In particular, we consider a swarm of hovering UAVs that relays information from a terrestrial base station to a distant mobile user and simultaneously generates friendly jamming signals to interfere/obfuscate an eavesdropper. Due to the limited energy of the UAVs, we develop a collaborative time-switching relaying protocol that allows the UAVs to collaborate in harvesting wireless energy, relay information, and jam the eavesdropper. To evaluate the performance, we derive the secrecy outage probability (SOP) for two popular detection techniques at the eavesdropper, i.e., selection combining and maximum-ratio combining. Monte Carlo simulations are then used to validate the theoretical SOP derivation. Using the derived SOP, one can obtain engineering insights to optimize the EH time and the number of UAVs in the swarm to achieve a given secrecy protection level. Furthermore, simulations show the effectiveness of the proposed framework in terms of SOP compared to the conventional AF relaying system. The analytical SOP derived in this work can also be helpful in future UAV secure-communication optimizations (e.g., trajectory and locations of UAVs). As an example, we present a case study to find the optimal corridor to locate the swarm so as to minimize the system SOP. Our proposed framework helps secure communications for various applications that require large coverage, e.g., industrial IoT, smart city, intelligent transportation systems, and critical IoT infrastructures, such as energy and water. © 2014 IEEE. |
| Author Keywords | Amplify-and-forward (AF); cooperative friendly jamming; energy harvesting (EH); relaying network; secrecy outage probability (SOP); unmanned aerial vehicle (UAV) |
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