On the Design of Secure Non-Orthogonal Multiple Access Systems

  title={On the Design of Secure Non-Orthogonal Multiple Access Systems},
  author={Biao He and An Liu and Nan Yang and Vincent K. N. Lau},
  journal={IEEE Journal on Selected Areas in Communications},
This paper proposes a new design of non-orthogonal multiple access (NOMA) under secrecy considerations. We focus on a NOMA system, where a transmitter sends confidential messages to multiple users in the presence of an external eavesdropper. The optimal designs of decoding order, transmission rates, and power allocated to each user are investigated. Considering the practical passive eavesdropping scenario where the instantaneous channel state of the eavesdropper is unknown, we adopt the secrecy… CONTINUE READING
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