Secure Broadcasting Over Fading Channels

  title={Secure Broadcasting Over Fading Channels},
  author={Ashish Khisti and Aslan Tchamkerten and Gregory W. Wornell},
  journal={IEEE Transactions on Information Theory},
We study a problem of broadcasting confidential messages to multiple receivers under an information-theoretic secrecy constraint. Two scenarios are considered: 1) all receivers are to obtain a common message; and 2) each receiver is to obtain an independent message. Moreover, two models are considered: parallel channels and fast-fading channels. For the case of reversely degraded parallel channels, one eavesdropper, and an arbitrary number of legitimate receivers, we determine the secrecy… CONTINUE READING
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