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Entropy 2019, 21(3), 278; https://doi.org/10.3390/e21030278

Feedback Schemes for the Action-Dependent Wiretap Channel with Noncausal State at the Transmitter

1,†
,
2,†
and
1,*,†
1
School of Information Science and Technology, Southwest Jiaotong University, Chengdu 611756, China
2
School of Economics and Management, Chengdu Textile College, Chengdu 611731, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 29 December 2018 / Revised: 23 February 2019 / Accepted: 9 March 2019 / Published: 13 March 2019
(This article belongs to the Special Issue Information-Theoretic Security II)
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Abstract

In this paper, we propose two feedback coding schemes for the action-dependent wiretap channel with noncausal state at the transmitter. The first scheme follows from the already existing secret key based feedback coding scheme for the wiretap channel. The second one follows from our recently proposed hybrid feedback scheme for the wiretap channel. We show that, for the action-dependent wiretap channel with noncausal state at the transmitter, the second feedback scheme performs better than the first one, and the capacity results of this paper are further explained via a Gaussian example, which we call the action-dependent dirty paper wiretap channel with noiseless feedback. View Full-Text
Keywords: action-dependent channel; dirty paper channel; noiseless feedback; secrecy capacity; wiretap channel action-dependent channel; dirty paper channel; noiseless feedback; secrecy capacity; wiretap channel
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Zhang, H.; Yu, L.; Dai, B. Feedback Schemes for the Action-Dependent Wiretap Channel with Noncausal State at the Transmitter. Entropy 2019, 21, 278.

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