Power Angular Measurements and Ray Tracing Simulations at Sub-THz Frequencies in Corridor

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Abstract

Ultra-wideband terahertz (THz) wireless communication systems are anticipated as a promising solution for applications with high bandwidth requirements in an indoor environment. To design the communication system operating at THz or sub-THz frequencies, it is important to acquire fundamental knowledge about the radio propagation characteristics at those frequencies. The main target of this paper is to conduct power angular spectrum (PAS) measurements at sub-THz frequencies of 90, 95, and 100 GHz in a line-of-sight (LOS) office corridor environment, and validate the ray tracing (RT) simulation results with the measurements. A sophisticated photonics-based measurement setup with high accuracy is utilized for measurement, whereas, an in-house built RT tool is used for simulation. The PAS is measured and simulated at eight different locations and a decent agreement is achieved between both. Whereas the other channel characteristics like root mean square delay spread (RMS-DS) and angular spread (RMS-AS) are only investigated through RT simulations. In the case of direct orientation, the root mean square error of about 1.5, 0.9, and 3.7 dB is found between the measured and simulated received signal power level at 90, 95, and 100 GHz, respectively.

Original languageEnglish
Title of host publication2022 IEEE Wireless Communications and Networking Conference, WCNC 2022
PublisherIEEE
Pages1587-1592
Number of pages6
ISBN (Electronic)9781665442664
DOIs
Publication statusPublished - 2022
MoE publication typeA4 Article in a conference publication
EventIEEE Wireless Communications and Networking Conference - Austin, United States
Duration: 10 Apr 202213 Apr 2022

Publication series

NameIEEE Wireless Communications and Networking Conference, WCNC
Volume2022-April
ISSN (Print)1525-3511

Conference

ConferenceIEEE Wireless Communications and Networking Conference
Abbreviated titleWCNC
Country/TerritoryUnited States
CityAustin
Period10/04/202213/04/2022

Keywords

  • Measurements
  • power angular spectrum
  • ray tracing
  • simulations
  • terahertz
  • THz

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