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Doß, Martin; Bungert, Leon; Cichon, Daniel; Brauer, Hartmut; Psiuk, Rafael;
Localization of passive 3-D coils as an inverse problem: theoretical analysis and a numerical method. - In: IEEE transactions on magnetics : a publication of the IEEE Magnetics Society.. - New York, NY : IEEE, ISSN 1941-0069, Bd. 56 (2020), 4, S. 7200410, insges. 10 S.
Häfner, Stephan; Dürr, André; Waldschmidt, Christian; Thomä, Reiner;
Mitigation of RF impairments of a 160-GHz MMICFMCW radar using model-based estimation. - In: IEEE transactions on microwave theory and techniques : MTT ; a publication of the IEEE Microwave Theory and Techniques Society.. - New York, NY : IEEE, Bd. 68 (2020), 3, S. 1065-1073
Milanezi Junior, Jayme; Costa, João Paulo Carvalho Lustosa da; Garcez, Caio C. R.; Albuquerque, Robson de Oliveira; Arancibia Moreno, Arnaldo Mario; Weichenberger, Lothar; Lopes de Mendon¸ca, Fábio Lucio; Del Galdo, Giovanni; De Sousa Júnior, Rafael T.;
A data security and trading framework for smart grids in neighborhood area networks. - In: Sensors. - Basel : MDPI, ISSN 1424-8220, Volume 20 (2020), issue 5, 1337, Seite 1-25
Ardah, Khaled; Fodor, Gábor; Silva, Yuri Carvalho Barbosa; Freitas, Walter C.; Almeida, André L.F.;
Hybrid analog-digital beamforming design for SE and EE maximization in massive MIMO networks. - In: IEEE transactions on vehicular technology : a publication of the IEEE Vehicular Technology Society.. - New York, NY : IEEE, ISSN 1939-9359, Bd. 69 (2020), 1, S. 377-389
He, Ruisi; Ai, Bo; Wang, Gongpu; Zhong, Zhangdui; Schneider, Christian; Dupleich, Diego A.; Thomä, Reiner; Boban, Mate; Luo, Jian; Zhang, Yunyong;
Propagation channels of 5G millimeter-wave vehicle-to-vehicle communications: recent advances and future challenges. - In: IEEE Vehicular technology magazine. - New York, NY : IEEE, Bd. 15 (2020), 1, S. 16-26
Psiuk, Rafael; Müller, Alfred; Cichon, Daniel; Heuberger, Albert; Brauer, Hartmut; Töpfer, Hannes;
Inductive localization accuracy of a passive 3-D coil in an Industry 4.0 environment. - In: Journal of sensors and sensor systems : JSSS.. - Göttingen : Copernicus Publ., ISSN 2194-878X, Bd. 8 (2019), 1, S. 171-183

In this paper a localization system of a passive 3-D coil is proposed and signal uncertainties due to the 3-D coil's arbitrary orientation are analyzed. The 3-D coil is excited by an alternating primary magnetic field. Geometrically distributed pick-up coils measure the 3-D coil's secondary field. By means of a simulated look-up table that assigns expected voltages from the pick-up coils to the positions of the 3-D coil, the position of the 3-D coil is deduced by a least-squares approach. A basic assumption is that the secondary field is invariant to the orientation of the 3-D coil. This allows a reduction of the computational effort for the look-up table generation and the table search during the localization phase since for each position the field distribution for only one orientation has to be calculated. However, the assumption of invariance to rotation is only valid for a dipole model. In this paper we investigate the localization error introduced by this assumption when using 3-D coils with a geometric extent in an inhomogeneous primary field. Optimized localization methods that decrease the statistical error are proposed. The theoretical results are verified with measurements conducted on a laboratory system.
Beuster, Niklas; Ihlow, Alexander; Blau, Kurt; Trabert, Johannes F.; Andrich, Carsten; Bauer, Julia; Del Galdo, Giovanni;
UHF RFID tag response measurements using a do-it-yourself platform and components off-the-shelf. - In: IEEE journal of radio frequency identification. - New York, NY : IEEE, ISSN 2469-7281, Bd. 4 (2020), 1, S. 65-72
Ziolkowski, Marek; Otterbach, Jan-Marc; Schmidt, Reinhard; Brauer, Hartmut; Töpfer, Hannes;
Numerical simulations of portable systems for motion-induced eddy-current testing. - In: IEEE transactions on magnetics : a publication of the IEEE Magnetics Society.. - New York, NY : IEEE, ISSN 1941-0069, Bd. 56 (2020), 1, S. 7502204, insges. 4 S.
Krey, Maximilian; Hähnlein, Bernd; Tonisch, Katja; Krischok, Stefan; Töpfer, Hannes;
Automated parameter extraction of ScAlN MEMS devices using an extended Euler-Bernoulli beam theory. - In: Sensors. - Basel : MDPI, ISSN 1424-8220, Volume 20 (2020), issue 4, 1001, Seite 1-19
Weise, Konstantin; Numssen, Ole; Thielscher, Axel; Hartwigsen, Gesa; Knösche, Thomas R.;
A novel approach to localize cortical TMS effects. - In: NeuroImage : a journal of brain function.. - Orlando, Fla. : Academic Press, ISSN 1095-9572, Bd. 209 (2020), 116486, S. 1-17