Radio Resource Management for Ultra-Reliable and Low-Latency Communications

Changyang She, Chenyang Yang, Tony Q.S. Quek

Research output: Contribution to journalArticlepeer-review

145 Citations (Scopus)

Abstract

Supporting ultra-reliable and low-latency communications (URLLC) is one of the major goals in 5G communication systems. Previous studies focus on ensuring end-to-end delay requirement by reducing transmission delay and coding delay, and only consider reliability in data transmission. However, the reliability reflected by overall packet loss also includes other components such as queueing delay violation. Moreover, which tools are appropriate to design radio resource allocation under constraints on delay, reliability, and availability is not well understood. As a result, how to optimize resource allocation for URLLC is still unclear. In this article, we first discuss the delay and packet loss components in URLLC and the network availability for supporting the quality of service of users. Then we present tools for resource optimization in URLLC. Last, we summarize the major challenges related to resource management for URLLC, and perform a case study.

Original languageEnglish
Article number7945856
Pages (from-to)72-78
Number of pages7
JournalIEEE Communications Magazine
Volume55
Issue number6
DOIs
Publication statusPublished - 2017

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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