Geometry-Based Clustering Characteristics for Outdoor Measurements at 28-30 GHz

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This letter presents an analysis of channel characteristics for an outdoor scenario at the frequency band of 28-30 GHz. A geometry-based clustering algorithm is proposed to group the measured multipath components (MPCs) from the interaction points on the surrounding walls or objects according to ray-tracing three-dimensional (3-D) simulations, giving results that are more physically interpretable than the traditional clustering algorithms. The cluster-level characteristics at 15 positions along a predefined route covering both line-of-sight (LoS) and non-LoS (NLoS) scenarios are investigated. Moreover, power contributions of MPCs with multiple bounces (up to seven bounces in NLoS scenario) from the interaction objects are also investigated.

Original languageEnglish
JournalI E E E Antennas and Wireless Propagation Letters
Issue number9
Pages (from-to)1797-1801
Number of pages5
Publication statusPublished - Sep 2022


  • Antenna measurements
  • Azimuth
  • Buildings
  • Clustering algorithms
  • Clustering methods
  • Delays
  • Frequency measurement
  • Millimeter wave
  • and radio propagation
  • dispersion
  • geometry-based clustering
  • interaction objects
  • outdoor measurement
  • radio propagation
  • interaction objects (IOs)
  • outdoor measur ement
  • Dispersion
  • millimeter wave (mm-wave)


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