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| Content Provider | IET Digital Library |
|---|---|
| Author | Chu, Zheng Cumanan, Kanapathippillai Xu, Mai Ding, Zhiguo |
| Abstract | In the present study, the authors investigate robust secrecy rate optimisation problems for a multiple-input-single-output secrecy channel with multiple device-to-device (D2D) communications. The D2D communication nodes access this secrecy channel by sharing the same spectrum, and help to improve the secrecy communications by confusing the eavesdroppers. In return, the legitimate transmitter ensures that the D2D communication nodes achieve their required rates. In addition, it is assumed that the legitimate transmitter has imperfect channel state information of different nodes. For this secrecy network, the authors solve two robust secrecy rate optimisation problems: (a) robust power minimisation problem, subject to the probability based secrecy rate and the D2D transmission rate constraints; (b) robust secrecy rate maximisation problem with the transmit power, the probabilistic based secrecy rate and the D2D transmission rate constraints. Owing to the non-convexity of robust beamforming design based on two statistical channel uncertainty models, the authors present two conservative approximation approaches based on ‘Bernstein-type’ inequality and ‘S-Procedure’ to solve these robust optimisation problems. Simulation results are provided to validate the performance of these two conservative approximation methods, where it is shown that ‘Bernstein-type’ inequality based approach outperforms the ‘S-Procedure’ approach in terms of achievable secrecy rates. |
| Starting Page | 396 |
| Ending Page | 403 |
| Page Count | 8 |
| ISSN | 17518628 |
| Volume Number | 9 |
| e-ISSN | 17518636 |
| Issue Number | Issue 3, Feb (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/9/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2014.0310 |
| Journal | IET Communications |
| Publisher Date | 2014-10-22 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Approximation Theory Array Signal Processing Bernstein-type Inequality Based Approach Computer Communication Computer Network And Technique Computer Network Security Conservative Approximation Method D2D Communication Node D2D Transmission Rate Constraint Data Security Eavesdropper Imperfect Channel State Information Interpolation And Function Approximation Legitimate Transmitter Minimax Technique Multiple Device-to-device Communication Multiuser Channel Multiuser Multiple Input Single Output Secrecy Channel Access Numerical Analysis Optimisation Technique Probabilistic Based Secrecy Rate Radio Link And Equipment Radio Network Radio Spectrum Management Radio Transmitters Robust Beamforming Design Robust Power Minimisation Problem Robust Secrecy Rate Maximisation Problem Robust Secrecy Rate Optimisation Problem S-procedure Approach Secrecy Communication Network Signal Processing And Detection Spectrum Sharing Statistical Analysis Statistical Channel Uncertainty Model Statistics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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