Outer bounds for the capacity region of a Gaussian two-way relay channel

@article{Ashar2012OuterBF,
  title={Outer bounds for the capacity region of a Gaussian two-way relay channel},
  author={K. Ishaque Ashar and V. Prathyusha and Srikrishna Bhashyam and Andrew Thangaraj},
  journal={2012 50th Annual Allerton Conference on Communication, Control, and Computing (Allerton)},
  year={2012},
  pages={1645-1652}
}
We consider a three-node half-duplex Gaussian relay network where two nodes (say a, b) want to communicate with each other and the third node acts as a relay for this two-way communication. Outer bounds and achievable rate regions for the possible rate pairs (Ra, Rb) for two-way communication are investigated. The modes (transmit or receive) of the half-duplex nodes together specify the state of the network. A relaying protocol uses a specific sequence of states and a coding scheme for each… CONTINUE READING
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