A survey of energy-efficient techniques for 5G networks and challenges ahead

Stefano Buzzi, I. Chih-Lin, Thierry E. Klein, H. Vincent Poor, Chenyang Yang, Alessio Zappone

Research output: Contribution to journalArticle

317 Scopus citations

Abstract

After about a decade of intense research, spurred by both economic and operational considerations, and by environmental concerns, energy efficiency has now become a key pillar in the design of communication networks. With the advent of the fifth generation of wireless networks, with millions more base stations and billions of connected devices, the need for energy-efficient system design and operation will be even more compelling. This survey provides an overview of energy-efficient wireless communications, reviews seminal and recent contribution to the state-of-the-art, including the papers published in this special issue, and discusses the most relevant research challenges to be addressed in the future.

Original languageEnglish (US)
Article number7446253
Pages (from-to)697-709
Number of pages13
JournalIEEE Journal on Selected Areas in Communications
Volume34
Issue number4
DOIs
StatePublished - Apr 2016

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Keywords

  • 5G
  • Energy efficiency
  • cloud RAN
  • dense networks
  • energy harvesting
  • massive MIMO
  • mmWaves
  • resource allocation
  • small cells
  • visible-light communications
  • wireless power transfer

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