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Green hybrid satellite terrestrial networks: Fundamental trade-off analysis

  • Jiaxin Zhang
  • , Barry Evans
  • , Muhammad Ali Imran
  • , Xing Zhang
  • , Wenbo Wang
  • Beijing University of Posts and Telecommunications
  • University of Surrey

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

16 Scopus citations

Abstract

With the worldwide evolution of 4G generation and revolution in the information and communications technology(ICT) field to meet the exponential increase of mobile data traffic in the 2020 era, the hybrid satellite and terrestrial network based on the soft defined features is proposed from a perspective of 5G. In this paper, an end-to-end architecture of hybrid satellite and terrestrial network under the control and user Plane (C/U) split concept is studied and the performances are analysed based on stochastic geometry. The relationship between spectral efficiency (SE) and energy efficiency (EE) is investigated, taking consideration of overhead costs, transmission and circuit power, backhaul of gateway (GW), and density of small cells. Numerical results show that, by optimizing the key parameters, the hybrid satellite and terrestrial network can achieve nearly 90% EE gain with only 3% SE loss in relative dense networks, and achieve both higher EE and SE gain (20% and 5% respectively) in sparse networks toward the future 5G green communication networks.

Original languageEnglish
Title of host publication2016 IEEE 83rd Vehicular Technology Conference, VTC Spring 2016 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509016983
DOIs
StatePublished - 5 Jul 2016
Externally publishedYes
Event83rd IEEE Vehicular Technology Conference, VTC Spring 2016 - Nanjing, China
Duration: 15 May 201618 May 2016

Publication series

NameIEEE Vehicular Technology Conference
Volume2016-July
ISSN (Print)1550-2252

Conference

Conference83rd IEEE Vehicular Technology Conference, VTC Spring 2016
Country/TerritoryChina
CityNanjing
Period15/05/1618/05/16

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • 5G
  • C/U split architecture
  • Hybrid satellite and terrestrial network
  • Spectral and energy efficiency

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