Artificial-Noise Alignment for Secure Multicast using Multiple Antennas

  title={Artificial-Noise Alignment for Secure Multicast using Multiple Antennas},
  author={Ashish Khisti and Dongye Zhang},
  journal={IEEE Communications Letters},
We propose an artificial-noise alignment scheme for multicasting a common-confidential message to a group of legitimate receivers. Our scheme transmits a superposition of information and noise symbols. At each legitimate receiver, the noise symbols are aligned in such a way that the information symbols can be decoded with high probability. In contrast, the noise symbols completely mask the information symbols at the eavesdroppers. Our proposed scheme does not use the knowledge of the… CONTINUE READING
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