Millimeter-wave small cells

base station discovery, beam alignment, and system design challenges

Chunshan Liu, Min Li*, Stephen V. Hanly, Philip Whiting, Iain B. Collings

*Corresponding author for this work

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

MmWave communications applied to small cells has been recognized recently as an important means to break the spectrum gridlock and to dramatically scale up the system capacity for the evolving 5G mobile networks. However, significant technical challenges must be resolved to fully exploit the potential of mmWave small cells. Among them, base station discovery is particularly challenging due to the severe propagation loss at mmWave bands. Beam alignment arises as another critical problem that must be solved adaptively for 5G mobile access. This article discusses protocols and techniques for these two aspects, and presents important system design insights. Some open research problems are also highlighted in base station discovery, multi-user beam alignment, and network management.

Original languageEnglish
Article number8454665
Pages (from-to)40-46
Number of pages7
JournalIEEE Wireless Communications
Volume25
Issue number4
DOIs
Publication statusPublished - Aug 2018

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