The third-order term in the normal approximation for the AWGN channel
- Publication Type:
- Conference Proceeding
- IEEE International Symposium on Information Theory - Proceedings, 2014, pp. 2077 - 2081
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This paper shows that, under the average error probability formalism, the third-order term in the normal approximation for the additive white Gaussian noise channel with a maximal or equal power constraint is at least 1 over 2 log n+O(1). This improves on the lower bound by Polyanskiy-Poor-Verdú (2010) and matches the upper bound proved by the same authors. © 2014 IEEE.
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