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Secrecy outage probability in energy harvesting aided underlay cognitive radio network under eavesdroppers scenarios
Author(s) -
Odeyemi Kehinde O.,
Owolawi Pius A.,
Olakanmi Oladayo O.
Publication year - 2020
Publication title -
transactions on emerging telecommunications technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.366
H-Index - 47
ISSN - 2161-3915
DOI - 10.1002/ett.4041
Subject(s) - eavesdropping , secrecy , nakagami distribution , underlay , computer network , computer science , cognitive radio , fading , channel (broadcasting) , wireless , topology (electrical circuits) , signal to noise ratio (imaging) , computer security , telecommunications , engineering , electrical engineering
In this paper, the secrecy outage probability (SOP) of an energy harvesting aided underlay single input multiple output cognitive radio network under the multiple eavesdroppers is investigated. It is assumed that all the channels within the network are subjected to Nakagami‐ m distributions. In order to quantify the secrecy performance of the concerned network, two eavesdroppers' scenarios are considered and this includes: Colluding Eavesdropping and noncolluding Eavesdropping. Based on these, the SOP closed‐form expressions are derived for the network under the two scenarios. Our findings illustrate that the network under the noncolluding eavesdropping scenario achieve better secrecy outage performance compared with colluding eavesdropping mode. Furthermore, the impact of number of eavesdroppers N e , the number of antennas equipped at eavesdroppers A e as well as fading parameter of the wiretap channel m e on the network secrecy outage performance are demonstrated. Finally, the accuracy of the derived expressions is validated through the Monte‐Carlo simulations.