A Convolutionally Encoded OSTBC System with SNR-Adaptive Constellations for Low-Latency and Low-Complexity Communications

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Abstract

S-The 5G and beyond wireless networks target novel use-cases with stringent requirements on physical layer parameters such as latency, which may necessitate design decisions with trade-offs. Choosing a channel coding scheme which gives the best error performance may not be the most appropriate choice in mission-critical machine-type communications which require very low latency. In such contexts, convolutional codes may be preferable due to their faster decoding and simplicity. Motivated by this observation, we introduce a convolutionally encoded OSTBC system with SNR-adaptive constellations for low-latency and low-complexity use-cases. Numerical results obtained for the versatile Nakagami-m channel demonstrate that the investigated scheme results in considerable gains in terms of error performance and decoding latency.1.

Original languageEnglish
Title of host publication2018 IEEE 19th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2018
Place of PublicationUnited States
PublisherIEEE
Volume2018-June
ISBN (Electronic)978-1-5386-3512-4
ISBN (Print)978-1-5386-3513-1
DOIs
Publication statusPublished - 24 Aug 2018
MoE publication typeA4 Article in a conference publication
EventIEEE International Workshop on Signal Processing Advances in Wireless Communications - Kalamata, Greece
Duration: 25 Jun 201828 Jun 2018
Conference number: 19

Publication series

Name IEEE International Workshop on Signal Processing Advances in Wireless Communications
ISSN (Electronic)1948-3252

Workshop

WorkshopIEEE International Workshop on Signal Processing Advances in Wireless Communications
Abbreviated titleSPAWC
CountryGreece
CityKalamata
Period25/06/201828/06/2018

Keywords

  • 5G network
  • constellation shaping
  • convolutional coding
  • low-latency communications

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