Microwave vs. Millimeter-Wave Propagation Channels: Key Differences and Impact on 5G Cellular Systems

Mansoor Shafi, Jianhua Zhang, Harsh Tataria, Andreas F. Molisch, Shu Sun, Theodore S. Rappaport, Fredrik Tufvesson, Shangbin Wu, Koshiro Kitao

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Fifth-generation (5G) cellular systems will be deployed in the microwave and millimeter-wave (mmWave) frequency bands, i.e., between 0.5-100 GHz. Propagation characteristics at these bands have a fundamental impact on each aspect of the cellular architecture, ranging from equipment design to real–time performance in the field. While we have a reasonable understanding of the propagation characteristics at microwave (<6 GHz) frequencies, the same cannot be said for mmWave. This article explains key differences in the propagation characteristics between the microwave and mmWave bands, and further gives examples on how these differences impact 5G system design.
Original languageEnglish
Pages (from-to)14-20
Number of pages7
JournalIEEE Communications Magazine
Volume56
Issue number12
DOIs
Publication statusPublished - 07 Dec 2018

Keywords

  • 5G cellular
  • massive MIMO
  • microwave
  • millimeter-wave (mmWave)
  • propagation channels

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    Shafi, M., Zhang, J., Tataria, H., Molisch, A. F., Sun, S., Rappaport, T. S., Tufvesson, F., Wu, S., & Kitao, K. (2018). Microwave vs. Millimeter-Wave Propagation Channels: Key Differences and Impact on 5G Cellular Systems. IEEE Communications Magazine, 56(12), 14-20. https://doi.org/10.1109/MCOM.2018.1800255