Dynamic Channel Modeling for Indoor Millimeter-Wave Propagation Channels Based on Measurements

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Abstract

In this contribution, a recently conducted measurement campaign for indoor millimeter-wave (mm-wave) propagation channels is introduced. A vector network analyzer (VNA)-based channel sounder was exploited to record the channel characteristics at the frequency band from 28-30 GHz. A virtual uniform circular array (UCA) with a radius of 0.25 m was formed using a rotator with 360 steps. Moreover, by taking advantage of fiber-optic technique applied in the channel sounder, measurements at 50 positions were performed from an indoor hall to an indoor corridor along a long pre-defined route. A low-complexity high-resolution propagation estimation (HRPE) algorithm is exploited to estimate the propagation parameters of multipath components (MPCs). Based on the HRPE estimation results, a novel clustering identification and tracking algorithm is proposed to trace clusters. Composite channel characteristics, cluster-level characteristics and dynamic (or birth-death) behaviours of the clusters are investigated, which constitute a dynamic model for the indoor mm-wave channel.

Original languageEnglish
Article number9115069
JournalIEEE Transactions on Communications
Volume68
Issue number9
Pages (from-to)5878-5891
Number of pages14
ISSN0090-6778
DOIs
Publication statusPublished - Nov 2020

Keywords

  • Millimeter-wave (mm-wave)
  • birth-death behavior
  • clustering
  • dynamic channel
  • parameter estimation

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