UAV-Aided Secure Communications With Cooperative Jamming
- Authors
- Lee, Hoon; Eom, Subin; Park, Junhee; Lee, Inkyu
- Issue Date
- 10월-2018
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Unmanned aerial vehicle; trajectory optimization; physical layer security; cooperative jamming
- Citation
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.67, no.10, pp.9385 - 9392
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
- Volume
- 67
- Number
- 10
- Start Page
- 9385
- End Page
- 9392
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/72683
- DOI
- 10.1109/TVT.2018.2853723
- ISSN
- 0018-9545
- Abstract
- This paper investigates unmanned aerial vehicle (UAV) enabled secure communication systems where a mobile UAV wishes to send confidential messages to multiple ground users. To improve the security performance, a cooperative UAV is additionally considered that transmits the jamming signal. In this system, we maximize the minimum secrecy rate among the ground users by jointly optimizing the trajectory and the transmit power of the UAVs as well as the user scheduling. To efficiently solve this nonconvex problem, we adopt block successive upper bound minimization techniques, which address a sequence of approximated convex problems for each block of variables. Numerical results verify that the proposed algorithm outperforms baseline methods.
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