Energy efficiency in the cloud radio access network (C-RAN) for 5G mobile networks: Opportunities and challenges

Isiaka Ajewale Alimi, Abdelgader M. Abdalla, Akeem Olapade Mufutau, Fernando Pereira Guiomar, Ifiok Otung, Jonathan Rodriguez, Paulo Pereira Monteiro, Antonio Luís Teixeira

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

3 Citations (Scopus)

Abstract

This chapter explains the major reasons for considering the increase in the radio access network (RAN) energy consumption. In the cloud-RAN, various functions that are presently executed in the base station are shifted to a remote data center where they are implemented via software. The chapter presents a comprehensive discussion on energy efficiency (EE) metric measurement. It considers the green design for energy crunch prevention in the fifth generation (5G) networks. The chapter comprehensively discusses schemes, such as hardware solutions, resource allocation, network planning and deployment, and energy harvesting and transfer, that can be employed to improve the EE of the 5G and beyond-5G networks. It also discusses fiber based energy efficient networks. The chapter analyzes system and power consumption models in which remote unit-based power consumption, centralized unit based power consumption, fronthaul power consumption, and massive MIMO energy efficiency are considered. It also presents obtained simulation results and comprehensive discussions.

Original languageEnglish
Title of host publicationOptical and Wireless Convergence for 5G Networks
EditorsAbdelgader M. Abdalla, Jonathan Rodriguez, Issa Elfergani, Antonio Teixeira
PublisherWiley
Pages225-248
Number of pages24
ISBN (Electronic)978-1119491590
ISBN (Print)978-1119491583
DOIs
Publication statusPublished - 2 Aug 2019

Keywords

  • 5G network
  • Energy efficiency metric measurement
  • Energy harvesting
  • Fiber based energy efficient networks
  • Hardware solutions
  • Network planning
  • Power consumption models
  • Radio access network

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