Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate

Kenneth Palacio-Baus; Natasha Devroye

doi:10.1109/ISIT.2019.8849578

Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate

Kenneth Palacio-Baus, Natasha Devroye

University of Illinois at Chicago

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

2 Citas (Scopus)

Resumen

A one-way additive white Gaussian noise (AWGN) channel with active feedback sent over another AWGN feedback channel is considered. Achievable error exponents are presented in the finite message / zero-rate regime for a variable length coding (VLC) scheme. This coding scheme uses a form of round-robin scheduling of messages, and a simplex-based feedback code to obtain reliable feedback and remain synchronized, despite the noise in the feedback link. Our results show that this new VLC scheme under an almost-sure power constraint achieves an error exponent similar to an achievable exponent attained using a fixed block length scheme under a much more relaxed expected block power constraint, and is larger than that achieved by schemes without feedback.¹

Idioma original	Inglés
Título de la publicación alojada	2019 IEEE International Symposium on Information Theory, ISIT 2019 - Proceedings
Editorial	Institute of Electrical and Electronics Engineers Inc.
Páginas	2254-2258
Número de páginas	5
ISBN (versión digital)	9781538692912
DOI	https://doi.org/10.1109/ISIT.2019.8849578
Estado	Publicada - jul. 2019
Evento	2019 IEEE International Symposium on Information Theory, ISIT 2019 - Paris, Francia Duración: 7 jul. 2019 → 12 jul. 2019

Serie de la publicación

Nombre	IEEE International Symposium on Information Theory - Proceedings
Volumen	2019-July
ISSN (versión impresa)	2157-8095

Conferencia

Conferencia	2019 IEEE International Symposium on Information Theory, ISIT 2019
País/Territorio	Francia
Ciudad	Paris
Período	7/07/19 → 12/07/19

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10.1109/ISIT.2019.8849578

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Palacio-Baus, K., & Devroye, N. (2019). Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate. En 2019 IEEE International Symposium on Information Theory, ISIT 2019 - Proceedings (pp. 2254-2258). Artículo 8849578 (IEEE International Symposium on Information Theory - Proceedings; Vol. 2019-July). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISIT.2019.8849578

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title = "Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate",

abstract = "A one-way additive white Gaussian noise (AWGN) channel with active feedback sent over another AWGN feedback channel is considered. Achievable error exponents are presented in the finite message / zero-rate regime for a variable length coding (VLC) scheme. This coding scheme uses a form of round-robin scheduling of messages, and a simplex-based feedback code to obtain reliable feedback and remain synchronized, despite the noise in the feedback link. Our results show that this new VLC scheme under an almost-sure power constraint achieves an error exponent similar to an achievable exponent attained using a fixed block length scheme under a much more relaxed expected block power constraint, and is larger than that achieved by schemes without feedback.1",

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Palacio-Baus, K & Devroye, N 2019, Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate. En 2019 IEEE International Symposium on Information Theory, ISIT 2019 - Proceedings., 8849578, IEEE International Symposium on Information Theory - Proceedings, vol. 2019-July, Institute of Electrical and Electronics Engineers Inc., pp. 2254-2258, 2019 IEEE International Symposium on Information Theory, ISIT 2019, Paris, Francia, 7/07/19. https://doi.org/10.1109/ISIT.2019.8849578

Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate. / Palacio-Baus, Kenneth; Devroye, Natasha.
2019 IEEE International Symposium on Information Theory, ISIT 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. p. 2254-2258 8849578 (IEEE International Symposium on Information Theory - Proceedings; Vol. 2019-July).

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

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N2 - A one-way additive white Gaussian noise (AWGN) channel with active feedback sent over another AWGN feedback channel is considered. Achievable error exponents are presented in the finite message / zero-rate regime for a variable length coding (VLC) scheme. This coding scheme uses a form of round-robin scheduling of messages, and a simplex-based feedback code to obtain reliable feedback and remain synchronized, despite the noise in the feedback link. Our results show that this new VLC scheme under an almost-sure power constraint achieves an error exponent similar to an achievable exponent attained using a fixed block length scheme under a much more relaxed expected block power constraint, and is larger than that achieved by schemes without feedback.1

AB - A one-way additive white Gaussian noise (AWGN) channel with active feedback sent over another AWGN feedback channel is considered. Achievable error exponents are presented in the finite message / zero-rate regime for a variable length coding (VLC) scheme. This coding scheme uses a form of round-robin scheduling of messages, and a simplex-based feedback code to obtain reliable feedback and remain synchronized, despite the noise in the feedback link. Our results show that this new VLC scheme under an almost-sure power constraint achieves an error exponent similar to an achievable exponent attained using a fixed block length scheme under a much more relaxed expected block power constraint, and is larger than that achieved by schemes without feedback.1

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M3 - Contribución a la conferencia

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Palacio-Baus K, Devroye N. Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate. En 2019 IEEE International Symposium on Information Theory, ISIT 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2019. p. 2254-2258. 8849578. (IEEE International Symposium on Information Theory - Proceedings). doi: 10.1109/ISIT.2019.8849578

Variable-length Coding Error Exponents for the AWGN Channel with Noisy Feedback at Zero-Rate

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