This paper studies the security and reliability of the power splitting (PS)-based relaying in the Internet of Things (IoT) networks with the help of a jammer. Based on the considered system model, we derive outage probability (OP) and intercept probability (IP) under two distinguished schemes, namely, the static PS relaying (SPSR) scheme and the dynamic PS relaying (DPSR) scheme. More precisely, the PS ratio of the former is a constant number, while the latter is optimally adjusted in order to minimize the OP and counts only on the channel gain of the second hop. Numerical results are provided to not only verify the accuracy of the proposed mathematical framework but also identify the trends of both OP and IP with respect to several important parameters. Our findings unveil that the OP and IP have contradictory behavior with respect to the transmit power and number of sources. Moreover, the performance of the DPSR scheme is superior to that of the SPSR scheme.

Communication and Signal Processing Research Group Faculty of Electrical and Electronics Engineering Ton Duc Thang University Ho Chi Minh City 70000 Vietnam

Department of Intelligent Mechatronics Engineering and Convergence Engineering for Intelligent Drone Sejong University Seoul 05006 Republic of Korea

Faculty of Electrical Engineering and Informatics University of Pardubice 53210 Pardubice Czech Republic

Faculty of Engineering and Technology Nguyen Tat Thanh University 300A Nguyen Tat Thanh Ward 13 District 4 Ho Chi Minh City 70000 Vietnam

Science and Technology Application for Sustainable Development Research Group Ho Chi Minh City University of Transport Ho Chi Minh City 70000 Vietnam

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