5G Ultra-Dense Cellular Networks

Xiaohu Ge, Song Tu, Guoqiang Mao, Cheng-Xiang Wang, Tao Han*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

811 Citations (Scopus)


Traditional ultra-dense wireless networks are recommended as a complement for cellular networks and are deployed in partial areas, such as hotspot and indoor scenarios. Based on the massive multiple-input multi-output antennas and the millimeter wave communication technologies, the 5G ultra-dense cellular network is proposed to deploy in overall cellular scenarios. Moreover, a distribution network architecture is presented for 5G ultra-dense cellular networks. Furthermore, the backhaul network capacity and the backhaul energy efficiency of ultra-dense cellular networks are investigated to answer an important question, that is, how much densification can be deployed for 5G ultra-dense cellular networks. Simulation results reveal that there exist densification limits for 5G ultra-dense cellular networks with backhaul network capacity and backhaul energy efficiency constraints.

Original languageEnglish
Pages (from-to)72-79
Number of pages8
JournalIEEE Wireless Communications
Issue number1
Publication statusPublished - Feb 2016

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications


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