On Simplification of Ray Tracing Channels in Radio Channel Emulators for Device Testing

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Abstract

Emulation of ray tracing (RT) simulated and measured channels in radio channel emulators is seen as a key enabler
for virtual drive testing (VDT). Limitations in emulator hardware
resources require that RT simulated or measured channels are
simplified. In this preliminary study, the impact of channel
simplification is investigated with a target of minimizing the
error of the mean delay. The increase in the number of taps
in the channel model caused by tap splitting in the conventional
constant mean delay method proposed in the literature is addressed by considering the radio frequency (RF) bandwidth of
the channel emulator. Although this approach is not optimal, it
uses on average 8 taps compared to 24 taps and 36 taps in the
original and the tap aligned channels with a constant mean delay,
respectively.
Original languageEnglish
Title of host publication2021 15th European Conference on Antennas and Propagation (EuCAP)
Number of pages5
PublisherIEEE
Publication dateMar 2021
Article number9411504
ISBN (Print)978-1-7281-8845-4
ISBN (Electronic)978-88-31299-02-2
DOIs
Publication statusPublished - Mar 2021
Event15th European Conference on Antennas and Propagation - Dusseldorf, Dusseldorf, Germany
Duration: 22 Mar 202126 Mar 2021
https://www.eucap2021.org/

Conference

Conference15th European Conference on Antennas and Propagation
LocationDusseldorf
CountryGermany
CityDusseldorf
Period22/03/202126/03/2021
Internet address

Keywords

  • Channel model simplificatio
  • channel emulatio
  • ray tracin

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