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Your search keyword '"Yigitler, Huseyin"' showing total 27 results
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27 results on '"Yigitler, Huseyin"'

1. Covert backscatter communication with directional MIMO

Author

Di Candia, Roberto, Malik, Saneea, Yiğitler, Huseyin, and Jäntti, Riku

Subjects
Computer Science - Information Theory, Electrical Engineering and Systems Science - Signal Processing
Abstract

We study a backscatter communication protocol over a AWGN channel, where a transmitter illuminates a tag with a directional multi-antenna. The tag performs load modulation on the signal while hiding its physical presence from a warden. We show that, if the transmitter-to-tag channel is inaccessible to the warden, then $\Theta(n)$ reliable and covert bits can be transmitted over $n$ channel usages. This overcomes the square-root law for covert communication. This paper provides the first evidence for practical implementation of covert backscatter communication, with potential applications in IoT security., Comment: 4 pages, 2 figures

Published
2022

2. Covert Backscatter Communication in the Presence of Multi-Antenna Eavesdropper

Author

Zhang, Yifan, Di Candia, Roberto, Yigitler, Huseyin, Jantti, Riku, and Yan, Zheng

Abstract

Covert communication promises a secure transmission mechanism for Backscatter Communication (BC) by hiding the transmission behavior of backscatter devices from potential eavesdroppers. This letter investigates the upper limit of the covert rate in a scenario where a multi-antenna eavesdropper is present in BC setup, considering the inherent structural reflection of a backscatter tag. Specifically, the transceiver can employ a Gaussian signal to illuminate the tag, with special considering two distinct signals: a modulated signal and an additional reflected signal from the tag’s antenna structure. This letter considers a powerful eavesdropper who is equipped with a massive antenna to enhance its ability to detect the tag’s transmission activities. The results reveal the presence of the square root law ( $\Theta (\sqrt {n})$ covert bits in n channel uses) across various scenarios. Theoretical analysis demonstrates the inhibitory effects of both the tag’s antenna structural reflection and the variance of the transceiver’s Gaussian signal on the eavesdropper’s detection capabilities. Furthermore, numerical results illustrate the impact of different parameters on the covertness of the system.

Published
2024
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13. RSS Models for Respiration Rate Monitoring

Author

Yigitler, Huseyin, primary, Kaltiokallio, Ossi, additional, Hostettler, Roland, additional, Abrar, Alemayehu Solomon, additional, Jantti, Riku, additional, Patwari, Neal, additional, and Sarkka, Simo, additional

Published
2020
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27. Localization Services for Online Common Operational Picture and Situation Awareness

Author

Bjorkbom, Mikael, primary, Timonen, Jussi, additional, Yigitler, Huseyin, additional, Kaltiokallio, Ossi, additional, Vallet Garcia, Jose M., additional, Myrsky, Matthieu, additional, Saarinen, Jari, additional, Korkalainen, Marko, additional, Cuhac, Caner, additional, Jantti, Riku, additional, Virrankoski, Reino, additional, Vankka, Jouko, additional, and Koivo, Heikki N., additional

Published
2013
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