Coding for the Gaussian channel with intermittent feedback

Bunte, Christoph; Lapidoth, Amos; Palzer, Lars

doi:10.1109/isit.2014.6875296

Cited by 2 publications

(2 citation statements)

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“…Different feedback models have been studied, such as ratelimited [1], noisy [2]- [4] or partial feedback [5]. In [6] we considered the case introduced in [7] where the feedback is "intermittent," i.e., where each channel output is fed back with probability ρ. Unlike the present paper, [6] assumes that the receiver knows which outputs were fed back.…”

Section: Introductionmentioning

confidence: 99%

“…In [6] we considered the case introduced in [7] where the feedback is "intermittent," i.e., where each channel output is fed back with probability ρ. Unlike the present paper, [6] assumes that the receiver knows which outputs were fed back. Under this assumption, the optimal error probability for the transmission of a single bit decays double-exponentially in the blocklength with a second order error exponent of − log ρ.…”

Section: Introductionmentioning

confidence: 99%

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Signaling over the Gaussian channel with intermittent feedback

Palzer

2015

2015 IEEE International Symposium on Information Theory (ISIT)

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Abstract-Optimal signaling is studied over a power-limited Gaussian channel with intermittent feedback, where a random mechanism-whose outcome is unknown to the receiverdetermines whether or not the output symbol is fed back to the encoder. If the output symbols are fed back with probability smaller than one half, then even the two-messages error probability cannot decay faster than exponentially in the blocklength. But if this probability is greater than one half, then, even for some positive rates, a doubly exponential decay is achievable.

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