A Blind Retransmission Scheme for Ultra-Reliable and Low Latency Communications

Renato Barbosa Abreu, Gilberto Berardinelli, Thomas Jacobsen, Klaus I. Pedersen, Preben Elgaard Mogensen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

12 Citations (Scopus)
395 Downloads (Pure)


This work is related to 5G new radio concept design, with focus on ultra-reliable and low latency communication (URLLC) use cases. We mainly target to achieve the stringent latency and reliability requirements for transmissions over the air interface, such as 99.999% success probability within 1 ms. Meeting these requirements in an efficient way, that is, without draining the network capacity is one of the main challenges for the new radio standardization. In this work, we propose a scheme to perform blind retransmissions on shared radio resources together with the application of successive interference cancellation to receive remaining non-decoded data with low delay penalty. The method avoids control errors and extra delays existent on feedback-based retransmission schemes. The investigations also show that blind retransmission on shared resources is more resource efficient than a conservative single shot transmission, depending on the number of users sharing the resources.

Original languageEnglish
Title of host publication2018 IEEE 87th Vehicular Technology Conference, VTC Spring 2018 - Proceedings
Number of pages5
Publication date20 Jul 2018
ISBN (Print)978-1-5386-6356-1
ISBN (Electronic)978-1-5386-6355-4
Publication statusPublished - 20 Jul 2018
EventIEEE Vehicular Technology Conference Spring 2018 - Porto, Portugal
Duration: 3 Jun 20186 Jun 2018


ConferenceIEEE Vehicular Technology Conference Spring 2018
Internet address
SeriesI E E E V T S Vehicular Technology Conference. Proceedings


  • HARQ
  • Scheduling
  • Semi-persistent
  • Retransmission
  • 5G

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