Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Numerical investigations of the thermal efficiency in laser-assisted plasma arc welding
Jäckel, Sebastian; Trautmann, Marcus; Hertel, Martin; Füssel, Uwe; Hipp, Dominik; Mahrle, Achim; Beyer, Eckhard
Journal Article
2019Thermal efficiency analysis for laser-assisted plasma arc welding of AISI 304 stainless steel
Hipp, Dominik; Mahrle, Achim; Beyer, Eckhard; Jäckel, Sebastian; Hertel, Martin; Füssel, Uwe
Journal Article
2018Method for high accuracy measurements of energy coupling and melting efficiency under welding conditions
Hipp, Dominik; Mahrle, Achim; Jäckel, Sebastian; Beyer, Eckhard; Leyens, Christoph; Füssel, Uwe
Journal Article
2017An explicit ground reflection model for mm-wave channels
Jaeckel, Stephan; Raschkowski, Leszek; Wu, Shangbin; Thiele, Lars; Keusgen, Wilhelm
Conference Paper
2017Method for high accuracy measurements of energy coupling and melting efficiency under welding conditions
Hipp, Dominik; Mahrle, Achim; Jäckel, Sebastian; Beyer, Eckhard; Leyens, Christoph; Füssel, Uwe
Conference Paper
20165G channel models in mm-wave frequency bands
Jaeckel, S.; Peter, M.; Sakaguchi, K.; Keusgen, W.; Medbo, J.
Conference Paper
2016Directional propagation measurements and modeling in an urban environment at 3.7 GHz
Raschkowski, L.; Jaeckel, S.; Undi, F.; Thiele, L.; Keusgen, W.; Pitakdumrongkija, B.; Ariyoshi, M.
Conference Paper
2016Investigations on the frequency dependence of the delay spread in an UMi street canyon scenario
Peter, Michael; Weiler, Richard J.; Undi, Fabian; El-Kanawati, Farouk; Jaeckel, Stephan; Raschkowski, Leszek; Thiele, Lars; Sakaguchi, Kei; Keusgen, Wilhelm
Conference Paper
2016Performance evaluation of massive MIMO with low-height small-cell using realistic channel models
Pitakdumrongkija, B.; Ariyoshi, M.; Raschkowski, L.; Jaeckel, S.; Thiele, L.
Conference Paper
2015Capacity enhancing techniques for high throughput satellite communications
Dimitrov, S.; Erl, S.; Barth, B.; Suffritti, R.; Privitera, N.; Boccolini, G.; Awoseyila, A.B.; Kyrgiazos, A.; Evans, B.G.; Jaeckel, S.; Sanchez, B.; Yun Garcia, A.; Vidal, O.
Conference Paper
2015CSI compression and feedback for network MIMO
Kurras, M.; Jaeckel, S.; Thiele, L.; Braun, V.
Conference Paper
2015Interference-floor shaping for liquid coverage zones in coordinated 5G networks
Thiele, L.; Kurras, M.; Jaeckel, S.; Fähse, S.; Zirwas, W.
Conference Paper
2015Radio resource management techniques for high throughput satellite communication systems
Dimitrov, S.; Erl, S.; Barth, B.; Jaeckel, S.; Kyrgiazos, A.; Evans, B.G.
Conference Paper
2015Smart Grid Communications: LTE outdoor field trials at 450 MHz
Holfeld, B.; Jaeckel, S.; Thiele, L.; Wirth, T.; Scheppelmann, K.
Conference Paper
20145G in space: PHY-layer design for satellite communications using non-orthogonal multi-carrier transmission
Dommel, J.; Boccolini, G.; Raschkowski, L.; Jaeckel, S.; Thiele, L.; Haustein, T.; Prelcic, N.G.
Conference Paper
2014MIMOSA - a dual approach to detailed land mobile satellite channel modeling
Burkhardt, F.; Eberlein, E.; Jaeckel, Stephan; Sommerkorn, Gerd; Prieto-Cerdeira, Roberto
Journal Article
2014QuaDRiGa: a MIMO Channel Model for Land Mobile Satellite
Burkhardt, Frank; Jaeckel, Stephan; Eberlein, Ernst; Prieto-Cerdeira, Roberto
Conference Paper
2014QuaDRiGa: A 3-D multi-cell channel model with time evolution for enabling virtual field trials
Jaeckel, S.; Raschkowski, L.; Borner, K.; Thiele, L.
Journal Article
2013Backhaul requirements for inter-site cooperation in heterogeneous LTE-Advanced networks
Jungnickel, V.; Manolakis, K.; Jaeckel, S.; Lossow, M.; Farkas, P.; Schlosser, M.; Braun, V.
Conference Paper
2013Channel prediction by doppler-delay analysis and benefits for base station cooperation
Manolakis, K.; Jaeckel, S.; Jungnickel, V.; Braun, V.
Conference Paper
2013Efficient MAC protocol for JT CoMP in small cells
Lossow, M.; Jaeckel, S.; Jungnickel, V.; Braun, V.
Conference Paper
2013MIMOSA - analysis of the MIMO channel for LMS systems
Eberlein, Ernst; Burkhardt, Frank; Sommerkorn, Gerd; Jaeckel, Stephan; Prieto-Cerdeira, Roberto
Journal Article
2013Spatial degrees of freedom in small cells: Measurements with large antenna arrays
Jungnickel, V.; Brylka, A.; Krueger, U.; Jaeckel, S.; Narandzic, M.; Kaeske, M.; Landmann, M.; Thomae, R.
Conference Paper
2012Estimating the mobile backhaul traffic in distributed coordinated multi-point systems
Jungnickel, V.; Jaeckel, S.; Börner, K.; Thiele, L.; Schlosser, M.
Conference Paper
2012A geometric polarization rotation model for the 3-D spatial channel model
Jaeckel, S.; Börner, K.; Thiele, L.; Jungnickel, V.
Journal Article
2012On The Requirements for Quasi-Deterministic Radio Channel Models for Heterogeneous Networks
Borner, K.; Dommel, J.; Jaeckel, S.; Thiele, L.
Conference Paper
2011Impact of path loss and delay spread on base station cooperation
Manolakis, K.; Jaeckel, S.; Eva Salvador Marquez; Jungnickel, V.
Conference Paper
2011Variation of estimated large-scale MIMO channel properties between repeated measurements
Narandi, M.; Käske, M.; Sommerkorn, G.; Schneider, C.; Thomä, R.S.; Jäckel, S.
Conference Paper
2010Estimating MIMO capacities from broadband measurements in a cellular network
Jaeckel, S.; Jungnickel, V.
Conference Paper
2010Field trials using coordinated multi-point transmission in the downlink
Jungnickel, V.; Forck, A.; Jaeckel, S.; Bauermeister, S.; Schiffermueller, S.; Schubert, S.; Wahls, S.; Thiele, L.; Haustein, T.; Kreher, W.; Mueller, J.; Droste, H.; Kadel, G.
Conference Paper
2010Interference limited MIMO measurements
Jaeckel, S.; Thiele, L.; Jungnickel, V.
Conference Paper
2009Capacity measurements in a cooperative MIMO network
Jungnickel, V.; Jäckel, S.; Thiele, L.; Lei, J.; Kruger, U.; Brylka, A.; Helmolt, C. von
Journal Article
2009Coordinated multipoint trials in the downlink
Jungnickel, V.; Thiele, L.; Wirth, T.; Haustein, T.; Schiffermüller, S.; Forck, A.; Wahls, S.; Jäckel, S.; Schubert, S.; Gabler, H.; Juchems, C.; Luhn, F.; Zavrtak, R.; Droste, H.; Kadel, G.; Kreher, W.; Müller, J.; Störmer, W.; Wannemacher, G.
Conference Paper
2009Correlation properties of large and small-scale parameters from multicell channel measurements
Jäckel, S.; Jiang, L.; Jungnickel, V.; Thiele, L.; Jandura, C.; Sommerkorn, G.; Schneider, C.
Conference Paper
2009Intercell interference measured in urban areas
Jäckel, S.; Thiele, L.; Brylka, A.; Jiang, L.; Jungnickel, V.; Jandura, C.; Heft, J.
Conference Paper
2008Correlation analysis of multiple-input multiple-output channels with cross-polarized antennas
Lei, J.; Jungnickel, V.; Jäckel, S.; Thiele, L.; Brylka, A.
Conference Paper
2008On the optimality of frequency-domain equalization in DFT-spread MIMO-OFDM systems
Jaeckel, S.; Jungnickel, V.
Conference Paper
2008PHY 45-2 - On the optimality of frequency-domain equalization in DFT-spread MIMO-OFDM systems
Jaeckel, S.; Jungnickel, V.
Conference Paper
2008Polarization characteristics of multiple-input multiple-output channels
Jiang, L.; Thiele, L.; Brylka, A.; Jäckel, S.; Jungnickel, V.
Conference Paper
2008Scalable video transmission in multiantenna broadcast systems
Jaeckel, S.; Jungnickel, V.
Conference Paper
2008Vorrichtung zum Zuweisen und Schaetzen von Uebertragungssymbolen
Jaeckel, S.; Jungnickel, V.; Schierl, T.; Hellge, C.; Haustein, T.
Patent
2006Capacity measurements in a multicell MIMO system
Jungnickel, V.; Jaeckel, S.; Thiele, L.; Krueger, U.
Conference Paper
2006Multi-cell outdoor MIMO-measurements
Jaeckel, S.; Jungnickel, V.
Conference Paper
2006Multi-cell outdoor MIMO-measurements
Jaeckel, S.; Jungnickel, V.
Conference Paper