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| Content Provider | IET Digital Library |
|---|---|
| Author | Yan, Peishun Zou, Yulong Zhu, Jia |
| Abstract | In this study, the authors investigate the employment of transmit antenna selection (TAS) against eavesdropping in cognitive radio systems, where a cognitive source (CS) node transmits to a cognitive destination (CD) node in the face of an eavesdropper, each equipped with multiple antennas. The authors derive a closed-form expression of secrecy outage probability for the proposed TAS scheme. For the purpose of comparison, the authors also study the random antenna selection (RAS) as a baseline. Moreover, the secrecy diversity orders of TAS and RAS are analysed to provide an intuitive insight into the effect of the number of antennas on the secrecy outage performance. It is of interest to observe that the secrecy diversity order of TAS is the product of number of transmit antennas at CS and receive antennas at CD and the secrecy diversity order achieved by RAS scheme is the number of receive antennas at CD, which both have nothing to do with the number of antennas at eavesdropper. Finally, the simulation results validate the authors’ theoretical results and the proposed TAS outperforms the conventional RAS in terms of secrecy outage probability. |
| Starting Page | 1998 |
| Ending Page | 2004 |
| Page Count | 7 |
| ISSN | 17518628 |
| Volume Number | 11 |
| e-ISSN | 17518636 |
| Issue Number | Issue 13, Sep (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/11/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.1321 |
| Journal | IET Communications |
| Publisher Date | 2017-05-12 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Cognitive Radio Cognitive Radio System Cognitive Source Node Diversity Reception Eavesdropping Multiple Antenna Radio Link And Equipment Random Antenna Selection Receiving Antenna Secrecy Diversity Secrecy Outage Performance Secrecy Outage Probability Single Antenna Telecommunication Security Transmit Antenna Selection Transmitting Antenna |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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