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Power optimization for enhancing secrecy of cooperative user relaying NOMA networks
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Cao, Yang, Wang, Shuai, Jin, Minglu, Xing, Chengwen, Chen, Yunfei, Zhao, Nan and Ding, Zhiguo (2020) Power optimization for enhancing secrecy of cooperative user relaying NOMA networks. IEEE Transactions on Vehicular Technology, 69 (7). pp. 8008-8012. doi:10.1109/TVT.2020.2992765 ISSN 0018-9545.
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Official URL: http://dx.doi.org/10.1109/TVT.2020.2992765
Abstract
To enhance the secrecy of wireless transmission, we propose a cooperative user relaying NOMA scheme, in which the near user works in full-duplex mode by transmitting jamming signals and receiving desired signals in the first phase, and the base station sends jamming signals in the second phase. Two power allocation (PA) schemes between the legitimate and jamming signals are designed based on different knowledge of the eavesdropping channel state information (ECSI). The first scheme aims to jam the eavesdropping with highest power while meeting rate requirements without ECSI. In the second scheme, the closed-form expressions of secrecy outage probability (SOP) are first derived using the statistical ECSI. Then, the sum secrecy rate is maximized by optimizing the PA and redundant rate with SOP constraints. Simulation results are provided to show the effectiveness of the proposed schemes.
| Item Type: | Journal Article | ||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Journal or Publication Title: | IEEE Transactions on Vehicular Technology | ||||||||
| Publisher: | IEEE | ||||||||
| ISSN: | 0018-9545 | ||||||||
| Official Date: | July 2020 | ||||||||
| Dates: |
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| Volume: | 69 | ||||||||
| Number: | 7 | ||||||||
| Page Range: | pp. 8008-8012 | ||||||||
| DOI: | 10.1109/TVT.2020.2992765 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Reuse Statement (publisher, data, author rights): | © 2020 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 |
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