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64 Gbit/s Transmission over 850 m Fixed Wireless Link at 240 GHz Carrier Frequency

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Abstract

A directive fixed wireless link operating at a center frequency of 240 GHz achieves a data rate of 64 Gbit/s over a transmission distance of 850 m using QPSK and 8PSK modulation, in a single-channel approach without the use of spatial diversity concepts. The analog transmit and receive frontend consists of active monolithic integrated circuits including broadband RF amplification and quadrature subharmonic mixer channels. The analog frontend is addressed by 64 GSa/s ADC and DAC boards, which are amenable to real-time data transmission. A link budget calculation allows for the estimation of the performance under adverse weather conditions.

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Acknowledgment

The authors would like to acknowledge the support of Fujitsu, in particular Mr. Mettendorff, for access to the ADC and DAC demo boards. Agilent, in particular Mr. Kohler, for access to measurement equipment. The Institut für Mikroelektronik and the biology department of University of Stuttgart for access to their rooftops and support. We are indebted to Sandrine Wagner and Hermann Massler, Fraunhofer IAF, for support and characterization of the Rx/Tx components. This work was partly funded by the German Federal Ministry of Research and Education (BMBF) in the frame of the MILLILINK project under Grant 01BP1023.

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Authors and Affiliations

  1. Institute of Robust Power Semiconductor Systems, University of Stuttgart, Stuttgart, Germany

    Ingmar Kallfass, Florian Boes, Tobias Messinger & Jochen Antes

  2. Fujitsu Semiconductor Europe GmbH, SL6 4FJ, Maidenhead, United Kingdom

    Anns Inam

  3. Karlsruhe Institute of Technology, Karlsruhe, Germany

    Ulrich Lewark

  4. Fraunhofer Institute of Applied Solid State Physics, Freiburg, Germany

    Axel Tessmann

  5. Radiometer Physics, Meckenheim, Germany

    Ralf Henneberger

Authors
  1. Ingmar Kallfass
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  2. Florian Boes
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  3. Tobias Messinger
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  4. Jochen Antes
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  5. Anns Inam
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  6. Ulrich Lewark
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  7. Axel Tessmann
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  8. Ralf Henneberger
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Correspondence to Ingmar Kallfass.

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Kallfass, I., Boes, F., Messinger, T. et al. 64 Gbit/s Transmission over 850 m Fixed Wireless Link at 240 GHz Carrier Frequency. J Infrared Milli Terahz Waves 36, 221–233 (2015). https://doi.org/10.1007/s10762-014-0140-6

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  • DOI: https://doi.org/10.1007/s10762-014-0140-6

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