Feedback Halves the Dispersion for Some Two-User Broadcast Channels with Common Message

Kasper Fløe Trillingsgaard; Wei Yang; Giuseppe Durisi; Petar Popovski

doi:10.1109/ISIT.2017.8006517

Feedback Halves the Dispersion for Some Two-User Broadcast Channels with Common Message

Kasper Fløe Trillingsgaard, Wei Yang, Giuseppe Durisi, Petar Popovski

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

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Abstract

We investigate the maximum coding rate achievable
on a two-user broadcast channel for the case where a common-
message is transmitted using fixed-blocklength codes with feed-
back. Specifically, we focus on a family of broadcast channels com-
posed of two antisymmetric Z-channels. For this setup, we obtain
matching upper and lower bounds on the dispersion term in the
asymptotic expansion of the maximum coding rate. These bounds
reveal that the dispersion is halved compared to the no-feedback
case

Original language	English
Title of host publication	2017 IEEE International Symposium on Information Theory (ISIT)
Number of pages	5
Publisher	IEEE
Publication date	Jun 2017
Pages	196-200
ISBN (Electronic)	978-1-5090-4096-4
DOIs	https://doi.org/10.1109/ISIT.2017.8006517
Publication status	Published - Jun 2017
Event	2017 IEEE International Symposium on Information Theory - Achen, Germany Duration: 25 Jun 2017 → 30 Jun 2017 https://isit2017.org/ https://isit2017.org/

Conference

Conference	2017 IEEE International Symposium on Information Theory
Country/Territory	Germany
City	Achen
Period	25/06/2017 → 30/06/2017
Internet address	https://isit2017.org/ https://isit2017.org/

Series	IEEE International Symposium on Information Theory. Proceedings
ISSN	2157-8117

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10.1109/ISIT.2017.8006517

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title = "Feedback Halves the Dispersion for Some Two-User Broadcast Channels with Common Message",

abstract = "We investigate the maximum coding rate achievableon a two-user broadcast channel for the case where a common-message is transmitted using fixed-blocklength codes with feed-back. Specifically, we focus on a family of broadcast channels com-posed of two antisymmetric Z-channels. For this setup, we obtainmatching upper and lower bounds on the dispersion term in theasymptotic expansion of the maximum coding rate. These boundsreveal that the dispersion is halved compared to the no-feedbackcase",

author = "Trillingsgaard, {Kasper Fl{\o}e} and Wei Yang and Giuseppe Durisi and Petar Popovski",

year = "2017",

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pages = "196--200",

booktitle = "2017 IEEE International Symposium on Information Theory (ISIT)",

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note = "2017 IEEE International Symposium on Information Theory, ISIT 2017 ; Conference date: 25-06-2017 Through 30-06-2017",

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Trillingsgaard, KF, Yang, W, Durisi, G & Popovski, P 2017, Feedback Halves the Dispersion for Some Two-User Broadcast Channels with Common Message. in 2017 IEEE International Symposium on Information Theory (ISIT). IEEE, IEEE International Symposium on Information Theory. Proceedings, pp. 196-200, 2017 IEEE International Symposium on Information Theory, Achen, Germany, 25/06/2017. https://doi.org/10.1109/ISIT.2017.8006517

Feedback Halves the Dispersion for Some Two-User Broadcast Channels with Common Message. / Trillingsgaard, Kasper Fløe; Yang, Wei; Durisi, Giuseppe et al.
2017 IEEE International Symposium on Information Theory (ISIT). IEEE, 2017. p. 196-200 (IEEE International Symposium on Information Theory. Proceedings).

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

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AB - We investigate the maximum coding rate achievableon a two-user broadcast channel for the case where a common-message is transmitted using fixed-blocklength codes with feed-back. Specifically, we focus on a family of broadcast channels com-posed of two antisymmetric Z-channels. For this setup, we obtainmatching upper and lower bounds on the dispersion term in theasymptotic expansion of the maximum coding rate. These boundsreveal that the dispersion is halved compared to the no-feedbackcase

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ER -

Feedback Halves the Dispersion for Some Two-User Broadcast Channels with Common Message

Abstract

Conference

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