Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC system

Abstract The combination of unmanned aerial vehicles (UAVs) and mobile edge computing (MEC) is considered as a promising approach to tackle soaring computing requirements. The broadcast nature of air‐to‐ground (A2G) links makes UAV communications vulnerable to eavesdroppers, so secure UAV communicat...

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Main Authors: Shihao Liu, Yangchao Huang, Hang Hu, Jiangbo Si, Guobing Cheng, Tao Huang, Xiaoliang Hu
Format: Article
Language:English
Published: Wiley 2023-11-01
Series:IET Communications
Subjects:
Online Access:https://doi.org/10.1049/cmu2.12680
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author Shihao Liu
Yangchao Huang
Hang Hu
Jiangbo Si
Guobing Cheng
Tao Huang
Xiaoliang Hu
author_facet Shihao Liu
Yangchao Huang
Hang Hu
Jiangbo Si
Guobing Cheng
Tao Huang
Xiaoliang Hu
author_sort Shihao Liu
collection DOAJ
description Abstract The combination of unmanned aerial vehicles (UAVs) and mobile edge computing (MEC) is considered as a promising approach to tackle soaring computing requirements. The broadcast nature of air‐to‐ground (A2G) links makes UAV communications vulnerable to eavesdroppers, so secure UAV communications remain an open question. This paper proposes a secure communication scheme for reconfigurable intelligent surface (RIS)‐assisted UAV‐MEC systems, in which the RIS assists the user in offloading data to the legitimate UAV, and the legitimate UAV provides computing services to the user. To fully expand the security computing capacity of the system, the communication link is improved by introducing RIS, and the jammer interferes with the eavesdropper. The secure computing capability of the system is maximized by optimizing communication resources and trajectories. Since the proposed problem is non‐convex, successive convex approximation (SCA) technique and block coordinate descent (BCD) technique is combined to solve the problem. The simulation results show that the proposed scheme in this paper can effectively improve the system secure computing bits compared with the benchmark scheme.
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spelling doaj.art-45e1d2d99ca44d58af5b10c2b80ec1bf2023-11-06T04:32:48ZengWileyIET Communications1751-86281751-86362023-11-0117182068207910.1049/cmu2.12680Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC systemShihao Liu0Yangchao Huang1Hang Hu2Jiangbo Si3Guobing Cheng4Tao Huang5Xiaoliang Hu6Information and Navigation College AF Engineer University Xi'an ChinaInformation and Navigation College AF Engineer University Xi'an ChinaInformation and Navigation College AF Engineer University Xi'an ChinaSchool of Telecommunications Engineering, Xidian University Xi'an ChinaInformation and Navigation College AF Engineer University Xi'an ChinaInformation and Navigation College AF Engineer University Xi'an ChinaInformation and Navigation College AF Engineer University Xi'an ChinaAbstract The combination of unmanned aerial vehicles (UAVs) and mobile edge computing (MEC) is considered as a promising approach to tackle soaring computing requirements. The broadcast nature of air‐to‐ground (A2G) links makes UAV communications vulnerable to eavesdroppers, so secure UAV communications remain an open question. This paper proposes a secure communication scheme for reconfigurable intelligent surface (RIS)‐assisted UAV‐MEC systems, in which the RIS assists the user in offloading data to the legitimate UAV, and the legitimate UAV provides computing services to the user. To fully expand the security computing capacity of the system, the communication link is improved by introducing RIS, and the jammer interferes with the eavesdropper. The secure computing capability of the system is maximized by optimizing communication resources and trajectories. Since the proposed problem is non‐convex, successive convex approximation (SCA) technique and block coordinate descent (BCD) technique is combined to solve the problem. The simulation results show that the proposed scheme in this paper can effectively improve the system secure computing bits compared with the benchmark scheme.https://doi.org/10.1049/cmu2.12680mobile computingresource allocation
spellingShingle Shihao Liu
Yangchao Huang
Hang Hu
Jiangbo Si
Guobing Cheng
Tao Huang
Xiaoliang Hu
Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC system
IET Communications
mobile computing
resource allocation
title Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC system
title_full Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC system
title_fullStr Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC system
title_full_unstemmed Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC system
title_short Resource and trajectory optimization for secure communication in RIS assisted UAV‐MEC system
title_sort resource and trajectory optimization for secure communication in ris assisted uav mec system
topic mobile computing
resource allocation
url https://doi.org/10.1049/cmu2.12680
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