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Joint beamforming and jamming optimization for secure transmission in MISO-NOMA networks
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Zhao, Nan, Wang, Wei, Wang, Jingjing, Chen, Yunfei, Lin, Yun, Ding, Zhiguo and Beaulieu, Norman C. (2019) Joint beamforming and jamming optimization for secure transmission in MISO-NOMA networks. IEEE Transactions on Communications, 67 (3). pp. 2294-2305. doi:10.1109/TCOMM.2018.2883079
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WRAP-Joint-beamforming-jamming-optimization-secure-transmission-Chen-2018.pdf - Accepted Version - Requires a PDF viewer. Download (2431Kb) | Preview |
Official URL: https://doi.org/10.1109/TCOMM.2018.2883079
Abstract
Non-orthogonal multiple access (NOMA) has been developed as a key multi-access technique for 5G. However, secure transmission remains a challenge in NOMA. Especially, the user with weakest channel is most threatened by eavesdropping, due to its highest transmit power. Two schemes are proposed to generate artificial jamming at the NOMA base station (BS), aiming at disrupting the potential eavesdropping without affecting the legitimate transmission. In the first scheme, the transmit power of artificial jamming is maximized, with its received power at each receiver higher than that of other users. Thus, the jamming signal can be eliminated via successive interference cancellation (SIC) before others. When the transmit power of the BS is inadequate, the transmit jamming power is maximized with the jamming signal zero-forced at each receiver. Thus, the legitimate transmission is not affected by the jamming, and the eavesdropping can be disrupted effectively. Due to the non-convexity of these two optimization problems, we first convert them to convex ones and then provide an iterative algorithm to solve them. Simulation results are presented to show the effectiveness of the proposed schemes in guaranteeing the security of NOMA networks.
| Item Type: | Journal Article | ||||||||||||||||||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||||||||||||||||||
| Divisions: | Faculty of Science > Engineering | ||||||||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Wireless communication systems -- Security measures, Beamforming, Multiple access protocols (Computer network protocols), Radio -- Interference | ||||||||||||||||||||||||
| Journal or Publication Title: | IEEE Transactions on Communications | ||||||||||||||||||||||||
| Publisher: | IEEE | ||||||||||||||||||||||||
| ISSN: | 0090-6778 | ||||||||||||||||||||||||
| Official Date: | March 2019 | ||||||||||||||||||||||||
| Dates: |
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| Volume: | 67 | ||||||||||||||||||||||||
| Number: | 3 | ||||||||||||||||||||||||
| Page Range: | pp. 2294-2305 | ||||||||||||||||||||||||
| DOI: | 10.1109/TCOMM.2018.2883079 | ||||||||||||||||||||||||
| Status: | Peer Reviewed | ||||||||||||||||||||||||
| Publication Status: | Published | ||||||||||||||||||||||||
| Publisher Statement: | © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||||||||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||||||||
| RIOXX Funder/Project Grant: |
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