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Warda, Ahmad; Petkovi´c, Bojana; Töpfer, Hannes;
Scanning method for indoor localization using the RSSI approach. - In: Journal of sensors and sensor systems : JSSS.. - Göttingen : Copernicus Publ., ISSN 2194-878X, Bd. 6 (2017), 1, S. 247-251

This paper presents a scanning method for indoor mobile robot localization using the received signal strength indicator (RSSI) approach. The method eliminates the main drawback of the conventional fingerprint, whose database construction is time-consuming and which needs to be rebuilt every time a change in indoor environment occurs. It directly compares the column vectors of a kernel matrix and signal strength vector using the Euclidean distance as a metric. The highest resolution available in localization using a fingerprint is restricted by a resolution of a set of measurements performed prior to localization. In contrast, resolution using the scanning method can be easily changed using a denser grid of potential sources. Although slightly slower than the trilateration method, the scanning method outperforms it in terms of accuracy, and yields a reconstruction error of only 0. 08 m averaged over 1600 considered source points in a room with dimensions 9.7 m × 4.7 m × 3 m. Its localization time of 0. 39 s makes this method suitable for real-time localization and tracking.
Steinwandt, Jens; Römer, Florian; Haardt, Martin;
Generalized least squares for ESPRIT-type direction of arrival estimation. - In: IEEE signal processing letters : a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, ISSN 1558-2361, Bd. 24 (2017), 11, S. 1681-1685
Weiss, Amir; Yeredor, Arie; Cheema, Sher Ali; Haardt, Martin;
The extended "Sequentially Drilled" Joint Congruence transformation and its application in Gaussian independent vector analysis. - In: IEEE transactions on signal processing : SP ; a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 65 (2017), 23, S. 6332-6344
Cheema, Sher Ali; Balda, Emilio Rafael; Wolf, Mike; Haardt, Martin;
Unique word DMT schemes for optical systems with intensity modulation and direct detection. - In: Journal of lightwave technology : LT ; JLT ; a joint IEEE-OSA publication.. - Washington, DC : OSA, ISSN 0733-8724, Bd. 35 (2017), 18, S. 3862-3869
Cen, Wei; Hoppe, Ralph; Lu, Rongbo; Cai, Zhaoquan; Gu, Ning;
3D highly heterogeneous thermal model of pineal gland in-vitro study for electromagnetic exposure using finite volume method. - In: AIP Advances. - New York, NY : American Inst. of Physics, ISSN 2158-3226, Bd. 7 (2017), 8, S. 085222, insges. 9 S.
Yeryomin, Yevgeniy; Debes, Maik; Seitz, Jochen;
Framework for a flexible comprehensive multiple-criteria network selection for mobile heterogeneous networks. - In: Journal of telecommunications system & management. - Los Angeles : OMICS International, ISSN 2167-0919, Bd. 6 (2017), 1, 153, insges. 11 S.
Galibus, Tatiana; Vieira, Thiago P.; Freitas, Edison Pignaton; Albuquerque, Robson de Oliveira; Costa, João Paulo C. L.; Sousa, Rafael T.; Krasnoproshin, Viktor; Zaleski, Anton; Vissia, H. E. R. M.; del Galdo, Giovanni;
Offline mode for corporate mobile client security architecture. - In: Mobile networks and applications : the journal of special issues on mobility of systems, users, data and computing.. - New York, NY : ACM, ISSN 1572-8153, Bd. 22 (2017), 4, S. 743-759
Arévalo, Leonel; Lamare, Rodrigo C.; Haardt, Martin; Sampaio-Neto, Raimundo;
Decoupled signal detection for the uplink of massive MIMO in 5G heterogeneous networks. - In: EURASIP journal on wireless communications and networking : EURASIP JWCN.. - Heidelberg : Springer, ISSN 1687-1499, (2017), 131, insges. 15 S.
Bollig, Andreas; Lavrenko, Anastasia; Arts, Martijn Franciscus; Mathar, Rudolf;
Compressive cyclostationary spectrum sensing with a constant false alarm rate. - In: EURASIP journal on wireless communications and networking : EURASIP JWCN.. - Heidelberg : Springer, ISSN 1687-1499, (2017), 135, insges. 13 S.
Kristem, Vinod; Sangodoyin, Seun; Bas, C. Umit; Käske, Martin; Lee, Juho; Schneider, Christian; Sommerkorn, Gerd; Zhang, Charlie; Thomä, Reiner; Molisch, Andreas F.;
3D MIMO outdoor-to-indoor propagation channel measurement. - In: IEEE transactions on wireless communications. - New York, NY : IEEE, Bd. 16 (2017), 7, S. 4600-4613