Abstract
Residual hardware impairment (RHI) characteristics exist in actual transceiver which will have an important impact on the cooperative non orthogonal multiple access (NOMA) system performance. In this paper, downlink single eavesdropper and multi relay cooperative non orthogonal multiple access system with RHI is proposed, and the closed expression and asymptotic expression of secrecy outage probability performance is derived under the relay transmission scheme by maximizing SNR for joint legitimate and eavesdropping link(M LaE SNR);The analytical and simulation results show that the secrecy outage performance of RHI D E MR NOMA system using M LaE SNR scheme is better than the other schemes, and the more the number of relays, and the performance advantage of the proposed scheme is more obvious with more relay numbers; Meanwhile, RHI can reduce the secrecy transmission performance of the system, and the influence of RHI on the performance is mainly related to the signal to noise ratio (SNR) of the main link and the number of cooperative relays; And RHI at different nodes have different influences on system secure performance. It is also proved that the order of user's secrecy diversity order is equal to the number of relays K.
| Translated title of the contribution | Research on Secrecy Outage Performance of Cooperative NOMA System with Residual Hardware Impairment |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 1354-1362 |
| Number of pages | 9 |
| Journal | Tien Tzu Hsueh Pao/Acta Electronica Sinica |
| Volume | 49 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2021 |
Keywords
- Non orthogonal multiple access
- Physical layer security
- Relay selection scheme
- Residual hardware impairment
- Secrecy diversity order
- Secrecy outage probability