Small-Scale, Local Area, and Transitional Millimeter Wave Propagation for 5G Communications

Theodore Rappaport, George R. MacCartney, Shu Sun, Hangsong Yan, Sijia Deng

Research output: Contribution to journalArticle

Abstract

This paper studies radio propagation mechanisms that impact handoffs, air interface design, beam steering, and MIMO for 5G mobile communication systems. Knife edge diffraction (KED) and a creeping wave linear model are shown to predict diffraction loss around typical building objects from 10 to 26 GHz, and human blockage measurements at 73 GHz are shown to fit a double knifeedge diffraction (DKED) model which incorporates antenna gains. Small-scale spatial fading of millimeter wave received signal voltage amplitude is generally Ricean-distributed for both omnidirectional and directional receive antenna patterns under both line-of-sight (LOS) and non-line-of-sight (NLOS) conditions in most cases, although the log-normal distribution fits measured data better for the omnidirectional receive antenna pattern in the NLOS environment. Small-scale spatial autocorrelations of received voltage amplitudes are shown to fit sinusoidal exponential and exponential functions for LOS and NLOS environments, respectively, with small decorrelation distances of 0.27 cm to 13.6 cm (smaller than the size of a handset) that are favorable for spatial multiplexing. Local area measurements using cluster and route scenarios show how the received signal changes as the mobile moves and transitions from LOS to NLOS locations, with reasonably stationary signal levels within clusters. Wideband mmWave power levels are shown to fade from 0.4 dB/ms to 40 dB/s, depending on travel speed and surroundings.

Original languageEnglish (US)
JournalIEEE Transactions on Antennas and Propagation
DOIs
StateAccepted/In press - Aug 1 2017

Fingerprint

visual perception
Millimeter waves
millimeter waves
Wave propagation
wave propagation
Diffraction
communication
Directional patterns (antenna)
line of sight
Communication
Omnidirectional antennas
Radio transmission
omnidirectional antennas
Exponential functions
directional antennas
diffraction
mobile communication systems
Electric potential
Normal distribution
radio transmission

Keywords

  • Antenna measurements
  • channel transition
  • Diffraction
  • diffraction
  • Frequency measurement
  • human blockage
  • Loss measurement
  • Millimeter wave
  • MIMO
  • Mobile communication
  • mobile propagation
  • Power measurement
  • Predictive models
  • propagation
  • small-scale fading
  • spatial autocorrelation
  • spatial consistency

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Small-Scale, Local Area, and Transitional Millimeter Wave Propagation for 5G Communications. / Rappaport, Theodore; MacCartney, George R.; Sun, Shu; Yan, Hangsong; Deng, Sijia.

In: IEEE Transactions on Antennas and Propagation, 01.08.2017.

Research output: Contribution to journalArticle

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