Abstract
Enhancing Physical Layer Security for Cooperative Non-Orthogonal Multiple Access Networks with Artificial Noise
Highlights
In the recent years, the portable devices with wireless features and integrated smart operation system such as smartphones, smart watches or smart home devices became an integral part of human society, all thanks to their flexibility and multi-function
A cooperative non-orthogonal multiple access (NOMA) transmission scheme is suggested in the work [8] to EAI Endorsed Transactions on Industrial Networks and Intelligent Systems explore the previous information in NOMA system, in which the better channel condition helps the users decode the message from others
We present the calculation of the secrecy outage probability (SOP) at S and at Dm
Summary
The portable devices with wireless features and integrated smart operation system such as smartphones, smart watches or smart home devices became an integral part of human society, all thanks to their flexibility and multi-function. The secrecy ability of NOMA network can be increased by applying this approach. The [20] analyzed the secrecy performance of a two-user downlink NOMA system. The authors in [22] produced the artificial noise (AN) at the base station to increase the security of a beamformingaided multiple-antenna system They suggested The secrecy beamforming scheme for multiple-input singleoutput non-orthogonal multiple access (MISO-NOMA) system, in which, confidential information of two NOMA assisted legal users was protected by using AN, so the system secrecy performance is enhanced. Different from the works above, our work focusses on the PLS of downlink NOMA cooperative relay communication system in combination with AN to increase the PLS performance.
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