Wireless Access in Ultra-Reliable Low-Latency Communication (URLLC)

Petar Popovski*, Cedomir Stefanovic, Jimmy Jessen Nielsen, Elisabeth De Carvalho, Marko Angjelichinoski, Kasper Fløe Trillingsgaard, Alexandru-Sabin Bana

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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The future connectivity landscape and, notably, the 5G wireless systems will feature Ultra-Reliable Low Latency Communication (URLLC). The coupling of high reliability and low latency requirements in URLLC use cases makes the wireless access design very challenging, in terms of both the protocol design and of the associated transmission techniques. This paper aims to provide a broad perspective on the fundamental tradeoffs in URLLC, as well as the principles used in building access protocols. Two specific technologies are considered in the context of URLLC: massive MIMO and multi-connectivity, also termed interface diversity. The paper also touches upon the important question of the proper statistical methodology for designing and assessing extremely high reliability levels.
Original languageEnglish
JournalI E E E Transactions on Communications
Issue number8
Pages (from-to)5783-5801
Number of pages19
Publication statusPublished - Aug 2019


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