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

Publikation: Bidrag til bog/antologi/rapport/konference proceeding › Konferenceartikel i proceeding › Forskning › 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

Originalsprog	Engelsk
Titel	2017 IEEE International Symposium on Information Theory (ISIT)
Antal sider	5
Forlag	IEEE
Publikationsdato	jun. 2017
Sider	196-200
ISBN (Elektronisk)	978-1-5090-4096-4
DOI	https://doi.org/10.1109/ISIT.2017.8006517
Status	Udgivet - jun. 2017
Begivenhed	2017 IEEE International Symposium on Information Theory - Achen, Tyskland Varighed: 25 jun. 2017 → 30 jun. 2017 https://isit2017.org/ https://isit2017.org/

Konference

Konference	2017 IEEE International Symposium on Information Theory
Land/Område	Tyskland
By	Achen
Periode	25/06/2017 → 30/06/2017
Internetadresse	https://isit2017.org/ https://isit2017.org/

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

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10.1109/ISIT.2017.8006517

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Citationsformater

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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",

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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. i 2017 IEEE International Symposium on Information Theory (ISIT). IEEE, IEEE International Symposium on Information Theory. Proceedings, s. 196-200, 2017 IEEE International Symposium on Information Theory, Achen, Tyskland, 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. s. 196-200 (IEEE International Symposium on Information Theory. Proceedings).

Publikation: Bidrag til bog/antologi/rapport/konference proceeding › Konferenceartikel i proceeding › Forskning › 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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Feedback Halves the Dispersion for Some Two-User Broadcast Channels with Common Message

Abstract

Konference

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