Lei, H., Gao, C., Ansari, I. S. , Guo, Y., Zou, Y., Pan, G. and Qaraqe, K. A. (2017) Secrecy outage performance of transmit antenna selection for MIMO underlay cognitive radio systems over Nakagami-m channels. IEEE Transactions on Vehicular Technology, 66(3), pp. 2237-2250. (doi: 10.1109/TVT.2016.2574315)
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Abstract
This paper considers a multiple-input-multiple-output (MIMO) cognitive wiretap system over Nakagami-m channels with generalized selection combining (GSC), where confidential messages transmitted from a multiple-antenna transmitter to a multiple-antenna legitimate receiver are overheard by a multiple-antenna eavesdropper. Depending on whether the source node has the global channel state information (CSI) of both the main and wiretap channels, we investigate the secrecy outage performances of optimal antenna selection (OAS) and suboptimal antenna selection (SAS) schemes for MIMO underlay cognitive radio systems over Nakagami-m channels, and we compare them with the space-time transmission (STT) scheme. The closed-form expressions for the exact and asymptotic secrecy outage probability (SOP) for various schemes are derived. Simulations are conducted to validate the accuracy of our derived analytical results.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ansari, Dr Imran |
| Authors: | Lei, H., Gao, C., Ansari, I. S., Guo, Y., Zou, Y., Pan, G., and Qaraqe, K. A. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | IEEE Transactions on Vehicular Technology |
| Publisher: | Institute of Electrical and Electronics Engineers |
| ISSN: | 0018-9545 |
| ISSN (Online): | 1939-9359 |
| Published Online: | 30 May 2016 |
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