Wireless Access for Ultra-Reliable Low-Latency Communication: Principles and Building Blocks

Petar Popovski, Jimmy J. Nielsen, Cedomir Stefanovic, Elisabeth De Carvalho, Erik Strom, Kasper F. Trillingsgaard, Alexandru Sabin Bana, Dong Min Kim, Radoslaw Kotaba, Jihong Park, Rene B. Sorensen

Research output: Contribution to journalJournal articleResearchpeer-review

271 Citations (Scopus)


URLLC is an important new feature brought by 5G, with a potential to support a vast set of applications that rely on mission-critical links. In this article, we first discuss the principles for supporting URLLC from the perspective of the traditional assumptions and models applied in communication/information theory. We then discuss how these principles are applied in various elements of system design, such as use of various diversity sources, design of packets, and access protocols. The important message is that there is a need to optimize the transmission of signaling information, as well as a need for lean use of various sources of diversity.

Original languageEnglish
JournalIEEE Network
Issue number2
Pages (from-to)16-23
Number of pages8
Publication statusPublished - 1 Mar 2018


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