Outage Performance of Cooperative Cognitive Radio Networks under Joint Constraints of Co-Channel Interference, Intercept Probability and Hardware Imperfection
Journal Title: EAI Endorsed Transactions on Industrial Networks and Intelligent Systems - Year 2019, Vol 6, Issue 19
Abstract
This paper evaluates outage probability (OP) of a cooperative underlay cognitive radio network in the presence of a passive secondary eavesdropper under joint impacts of limited interference from a primary network and hardware impairments. With intercept probability constraint required for the eavesdropper and interference constraint given by a primary receiver, we derive closed-form expressions of transmit power for the secondary transmitters, including source and relays, only relying on the knowledge of statistical channel state information (CSI). Then, a relay selection method is used in the cooperative phase to enhance the OP performance of the considered protocol. For performance evaluation, we derive an exact closed-form expression of OP over Rayleigh fading channel. Finally, we perform Monte Carlo simulations to verify the derived formulas.
Authors and Affiliations
Pham Thi Dan Ngoc, Tran Trung Duy, Ho Van Khuong
Keywords
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- EP ID EP46105
- DOI http://dx.doi.org/10.4108/eai.13-6-2019.159124
- Views 290
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