A Secret-key-aided scheme to secure transmissions from single-antenna RF-eh source nodes
| Author | El Shafie A. |
| Author | Mabrouk A. |
| Author | Tourki K. |
| Author | Al-Dhahir N. |
| Author | Hamila R. |
| Available date | 2019-11-04T05:19:28Z |
| Publication Date | 2018 |
| Publication Name | IEEE Wireless Communications Letters |
| Resource | Scopus |
| ISSN | 2162-2337 |
| Abstract | We propose a two-phase artificial-noise-aided scheme to power a single-antenna energy-harvesting source node (Alice) and secure her transmissions to a multiple-antenna legitimate destination (Bob) in the presence of a multiple-antenna eavesdropper (Eve). A one-time pad (OTP) encryption scheme is used to ensure the security of the source's information signal. In our proposed scheme, Bob sends a secret key to Alice then Alice uses an OTP encryption scheme to secure her transmissions. If Alice can correctly decode the secret key and has stored enough energy to ensure reliable information transmission (i.e., ensure no outages on her link to Bob), she sends her data packet to Bob. To secure the key signal from the eavesdropper, Bob uses a hybrid fast-fading and slow-fading multiplicative artificial-noise scheme. Power allocation between the multiplicative noise and the desired signal and time allocation between the two transmission phases are investigated. |
| Sponsor | Manuscript received September 23, 2017; revised October 14, 2017; accepted October 29, 2017. Date of publication November 2, 2017; date of current version April 8, 2018. This work was supported by NPRP through the Qatar National Research Fund (a member of Qatar Foundation) under Grant 8-627-2-260. The statements made herein are solely the responsibility of the authors. The associate editor coordinating the review of this paper and approving it for publication was J. Xu. (Corresponding author: Ahmed El Shafie.) A. El Shafie and N. Al-Dhahir are with the Electrical Engineering Department, University of Texas at Dallas, Richardson, TX 75080 USA (e-mail: ahmed.elshafie@utdallas.edu; aldhahir@utdallas.edu). |
| Language | en |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Subject | artificial fast fading artificial noise Energy harvesting |
| Type | Article |
| Pagination | 238-241 |
| Issue Number | 2 |
| Volume Number | 7 |
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