On the capacity of symmetric Gaussian interference channels with feedback

@article{Truong2015OnTC,
  title={On the capacity of symmetric Gaussian interference channels with feedback},
  author={Lan V. Truong and Hirosuke Yamamoto},
  journal={2015 IEEE International Symposium on Information Theory (ISIT)},
  year={2015},
  pages={201-205}
}
In this paper, we propose a new coding scheme for symmetric Gaussian interference channels with feedback based on the ideas of time-varying coding schemes. The proposed scheme improves the Suh-Tse and Kramer inner bounds of the channel capacity for the cases of weak and not very strong interference. This improvement is more significant when the signal-to-noise ratio (SNR) is not very high. It is shown theoretically and numerically that our coding scheme can outperform the Kramer code. In… CONTINUE READING

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