Measurements at 300 GHz in Eavesdropping Scenarios and First Results

Herold, Christoph; Doeker, Tobias; Kürner, Thomas

doi:10.1109/iwmts54901.2022.9832458

Cited by 2 publications

(4 citation statements)

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“…For more information, see https://creativecommons.org/licenses/by/4.0/ as the influence of different materials, orientations, and temperatures. In doing so, the contribution of the article extends the findings in [20] by analyzing the measurement campaign with a more in-depth view. Furthermore, different aspects and further objects are analyzed in this article compared to [20].…”

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confidence: 77%

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Eavesdropping Measurements for Applications in Office Environments at Low THz Frequencies

Doeker

Herold

Eckhardt

et al. 2023

IEEE Trans. Microwave Theory Techn.

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Low terahertz (THz) frequencies are promising candidates for future wireless communication systems. Due to high path losses at those frequencies, highly directive antennas can be used to compensate the path losses thus making eavesdropping challenging. However, previous work has shown that eavesdropping is still possible even if antennas with pencil beams are used. In this article, eavesdropping possibilities are evaluated with respect to common objects in office environments-a coffee cup, a thermos, and a laptop-by investigating the scattering properties of these objects. For the coffee cup and the thermos, angle-independent reflection losses are given. The laptop has the lowest reflection losses of approximately 5 dB if it is placed to reflect the signal in a specular way. Furthermore, the results are analyzed in terms of secrecy capacity and blockage, revealing good eavesdropping opportunities when the thermos is used. If the object is placed outside of the line-of-sight path, the blockage drops down to zero. However, especially for the thermos the secrecy capacity is still below 0.8 in this case. For the other objects, a direct eavesdropping where Eve is directly oriented toward Alice results in a lower secrecy capacity in most of the cases.

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confidence: 77%

“…In doing so, the contribution of the article extends the findings in [20] by analyzing the measurement campaign with a more in-depth view. Furthermore, different aspects and further objects are analyzed in this article compared to [20]. The contribution of this publication is twofold based on the comprehensive measurement campaign.…”

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confidence: 77%

Eavesdropping Measurements for Applications in Office Environments at Low THz Frequencies

Doeker

Herold

Eckhardt

et al. 2023

IEEE Trans. Microwave Theory Techn.

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“…CBCS have been widely used for measurements in various environments such as outdoor environments [27], office environments [26], industrial environments [29], data centers [30], trains [31], automotive [32], and aircrafts [33]. Recently, CBCS have also been used for channel characterisation with regard to the determination of key performance indicator (KPI) for physical layer security such as secrecy capacity [34], [35].…”

Section: Johannes M Eckhardt Tobias Doeker Thomas Kürner Naveed a Abb...mentioning

confidence: 99%

“…3 shows a classical measurement setup in a data center in this case. The equipment is complemented by tripods and a rail system [35].…”

Section: Indoor Environmentsmentioning

confidence: 99%

THz Measurements, Antennas, and Simulations: From the Past to the Future

et al. 2023

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In recent years, terahertz (THz) systems have become an increasingly popular area of research thanks to their unique properties such as extremely high data rates towards Tb/s, submillimeter localization accuracy, high resolution remote sensing of materials, and remarkable advances in photonics and electronics technologies. This article traces the progress of THz measurements, antennas and simulations, from historical milestones to the current state of research and provides an outlook on the remaining challenges.INDEX TERMS Channel modeling, history, MTT 70th anniversary special issue, on-chip antennas, raytracing, THz communications, THz measurements and simulations.This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination. This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination.

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Measurements at 300 GHz in Eavesdropping Scenarios and First Results

Cited by 2 publications

References 9 publications

Eavesdropping Measurements for Applications in Office Environments at Low THz Frequencies

Eavesdropping Measurements for Applications in Office Environments at Low THz Frequencies

THz Measurements, Antennas, and Simulations: From the Past to the Future

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