This paper proposes a reliable method of characterizing the scattering parameters of radio links operating at terahertz frequencies. The complex transfer characteristics and the non-idealities of analog transmit-receive frontends with quadrature baseband channels can be evaluated. Two coherent channels of an arbitrary waveform generator, combined with filters and a frequency multiplier chain are employed to generate the phase-adjustable local oscillator tones for the quadrature up- and down-converter. Impairments like quadrature gain and phase imbalance, port matching and group delay variation give valuable information about the performance of the terahertz wireless link. A proof-of-concept experiment is realized using a 300 GHz MMIC-based wireless link with an overall system bandwidth of 38 GHz. Accurate gain-frequency and phase-frequency measurements are demonstrated.
%0 Conference Paper
%1 Dan_EuMC2017
%A Dan, I.
%A Rosello, E.
%A Harati, P.
%A Dilek, S.
%A Kallfass, I.
%A Shiba, S.
%B 2017 47th European Microwave Conference (EuMC)
%D 2017
%K PUMA in update
%P 1009-1012
%R 10.23919/EuMC.2017.8231017
%T Measurement of complex transfer function of analog transmit-receive frontends for terahertz wireless communications
%X This paper proposes a reliable method of characterizing the scattering parameters of radio links operating at terahertz frequencies. The complex transfer characteristics and the non-idealities of analog transmit-receive frontends with quadrature baseband channels can be evaluated. Two coherent channels of an arbitrary waveform generator, combined with filters and a frequency multiplier chain are employed to generate the phase-adjustable local oscillator tones for the quadrature up- and down-converter. Impairments like quadrature gain and phase imbalance, port matching and group delay variation give valuable information about the performance of the terahertz wireless link. A proof-of-concept experiment is realized using a 300 GHz MMIC-based wireless link with an overall system bandwidth of 38 GHz. Accurate gain-frequency and phase-frequency measurements are demonstrated.
@inproceedings{Dan_EuMC2017,
abstract = {This paper proposes a reliable method of characterizing the scattering parameters of radio links operating at terahertz frequencies. The complex transfer characteristics and the non-idealities of analog transmit-receive frontends with quadrature baseband channels can be evaluated. Two coherent channels of an arbitrary waveform generator, combined with filters and a frequency multiplier chain are employed to generate the phase-adjustable local oscillator tones for the quadrature up- and down-converter. Impairments like quadrature gain and phase imbalance, port matching and group delay variation give valuable information about the performance of the terahertz wireless link. A proof-of-concept experiment is realized using a 300 GHz MMIC-based wireless link with an overall system bandwidth of 38 GHz. Accurate gain-frequency and phase-frequency measurements are demonstrated.},
added-at = {2022-11-04T11:48:46.000+0100},
author = {{Dan}, I. and {Rosello}, E. and {Harati}, P. and {Dilek}, S. and {Kallfass}, I. and {Shiba}, S.},
bdsk-url-1 = {https://doi.org/10.23919/EuMC.2017.8231017},
biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2ba338fb6071ad3c99ff2d07606a1eb05/ingmarkallfass},
booktitle = {2017 47th European Microwave Conference (EuMC)},
date-added = {2020-11-24 08:07:53 +0100},
date-modified = {2020-11-24 08:08:20 +0100},
doi = {10.23919/EuMC.2017.8231017},
interhash = {94a36765c70f2fc8913a2c1f92f455b9},
intrahash = {ba338fb6071ad3c99ff2d07606a1eb05},
keywords = {PUMA in update},
month = Oct,
pages = {1009-1012},
timestamp = {2022-11-04T10:48:46.000+0100},
title = {Measurement of complex transfer function of analog transmit-receive frontends for terahertz wireless communications},
year = 2017
}
