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  4. Outdoor Transmission Trials in the W-Band for 6G Mobile Access Scenarios
 
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2023
Conference Paper
Title

Outdoor Transmission Trials in the W-Band for 6G Mobile Access Scenarios

Abstract
This paper presents the results of several over-the-air (OTA) transmission experiments utilizing fifth-generation new-radio (5G-NR) waveforms in the W-Band (75 GHz - 110 GHz) - a candidate frequency band for the sixth-generation (6G) mobile network in the near-sub-terahertz region. These experiments were conducted in an outdoor environment, including line-of-sight, non-line-of-sight, and obstructed-line-of-sight scenarios. To perform these experiments, we constructed transmit front-end and receive front-end prototypes operating in the W-band. In addition, the components of these front-ends prototypes were developed, including a Rotman lens, power divider/combiner, sector horn antenna array, and an antenna feeder in our transmitter setup. The carrier frequency was 85 GHz, and the transmitted signal bandwidth was up to 400 MHz. The experiment reported in the line-of-sight scenario a successfully transmitted 5G-NR downlink waveforms over a 600 meters distance with 64 quadrature amplitude modulation (64 QAM) for the data channel. The experiment outcome demonstrates the W-band’s potential as a frequency band for mobile access in future 6G mobile networks.
Author(s)
Sarmadi, Mehrnoosh Mazhar
Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut HHI  
Askar, Ramez  
Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut HHI  
Schmieder, Mathis  
Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut HHI  
Peter, Michael  
Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut HHI  
Schwantuschke, Dirk  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Keusgen, Wilhelm
Technische Universität Berlin  
Mainwork
IEEE 97th Vehicular Technology Conference, VTC2023-Spring. Proceedings  
Project(s)
KONFEKT
6G Research and Innovation Cluster (6G-RIC) Offene und sichere 6G-Technologien: Weltmarktchance für Deutschland  
Funder
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.  
Bundesministerium für Bildung und Forschung -BMBF-  
Conference
Vehicular Technology Conference (VTC-Spring) 2023  
DOI
10.1109/VTC2023-Spring57618.2023.10200420
Language
English
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut HHI  
Keyword(s)
  • 6G-band

  • W-band

  • near sub-THz

  • OTA 5G-NR transmission experiment

  • mobile access scenario

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