@inproceedings{LurzHofstetterLindneretal., author = {Lurz, Fabian and Hofstetter, Patrick and Lindner, Stefan and Linz, Sarah and Michler, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Low-power frequency synthesizer for multi-tone six-port radar}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1286-6}, doi = {10.1109/WISNET.2018.8311571}, pages = {84 -- 87}, language = {en} } @inproceedings{MuellerDanzecaGarciaAliaetal., author = {M{\"u}ller, Steffen and Danzeca, Salvatore and Garcia Al{\´i}a, Rub{\´e}n and Brugger, Markus and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Circuit design for a radiation tolerant 2.4 GHz synthesizer based on COTS components}, series = {IEEE Topical Workshop on Internet of Space, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Workshop on Internet of Space, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1294-1}, doi = {10.1109/TWIOS.2018.8311400}, pages = {13 -- 16}, language = {en} } @inproceedings{PflaumWeigelKoelpin, author = {Pflaum, Felix and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Ultra-low-power sensor node with wake-up-functionality for smart-sensor-applications}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1286-6}, doi = {10.1109/WISNET.2018.8311577}, pages = {107 -- 110}, language = {en} } @inproceedings{ErhardtPflaumWeigeletal., author = {Erhardt, Stefan and Pflaum, Felix and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Real-time GSM broadcast receiver on a Cortex-M4 microcontroller}, series = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, booktitle = {IEEE Topical Conference on Wireless Sensors and Sensor Networks, 14-17 January 2018, Anaheim, California, USA}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1286-6}, doi = {10.1109/WISNET.2018.8311563}, pages = {55 -- 58}, language = {en} } @inproceedings{LurzScheinerLinzetal., author = {Lurz, Fabian and Scheiner, Benedict and Linz, Sarah and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Compact PCB delay line for six-port based instantaneous frequency measurement}, series = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, booktitle = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-83-949421-1-3}, doi = {10.23919/MIKON.2018.8405343}, pages = {87 -- 90}, language = {en} } @inproceedings{LinzLurzWeigeletal., author = {Linz, Sarah and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {A review on six-port radar and its calibration techniques}, series = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, booktitle = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-83-949421-1-3}, doi = {10.23919/MIKON.2018.8405341}, pages = {80 -- 83}, language = {en} } @inproceedings{ScheinerLurzMichleretal., author = {Scheiner, Benedict and Lurz, Fabian and Michler, Fabian and Linz, Sarah and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Six-Port Based Multitone and Low-Power Radar System for Waveguide Measurements in Smart Factories}, series = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, booktitle = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-051-4}, doi = {10.23919/EuMC.2018.8541518}, pages = {1065 -- 1068}, language = {en} } @inproceedings{LichtblauSanftlKrausetal., author = {Lichtblau, Johann and Sanftl, Benedikt and Kraus, Christian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Influence of train interior on train-onboard communication}, series = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, booktitle = {22nd International Microwave and Radar Conference MIKON, Pozn{\´a}n, May 14-17, 2018, Poland}, publisher = {Piscataway, NJ}, address = {IEEE}, isbn = {978-83-949421-1-3}, doi = {10.23919/MIKON.2018.8405299}, pages = {605 -- 606}, language = {en} } @inproceedings{ErhardtGaedeKoelpinetal., author = {Erhardt, Stefan and G{\"a}de, Bernhard and K{\"o}lpin, Alexander and Weigel, Robert}, title = {Enhanced GSM Broadcast Receiver using the Phase Output of a Sub-GHz Transceiver}, series = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, booktitle = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-051-4}, doi = {10.23919/EuMC.2018.8541538}, pages = {1137 -- 1140}, language = {en} } @inproceedings{MichlerDenizLurzetal., author = {Michler, Fabian and Deniz, Harun and Lurz, Fabian and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Performance Analysis of an Ultra Wideband Transceiver for Real-Time Localization}, series = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, booktitle = {48th European Microwave Conference (EuMC), Madrid, Spain 2018}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-051-4}, doi = {10.23919/EuMC.2018.8541672}, pages = {1141 -- 1144}, language = {en} } @inproceedings{MichlerLindnerLurzetal., author = {Michler, Fabian and Lindner, Stefan and Lurz, Fabian and Erhardt, Stefan and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Zero-Bias Schottky Power Detector Design for Six-Port based Radar Systems}, series = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, booktitle = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-047-7}, doi = {10.23919/EuMC.2017.8230841}, pages = {228 -- 231}, language = {en} } @inproceedings{LindnerLurzLinzetal., author = {Lindner, Stefan and Lurz, Fabian and Linz, Sarah and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Mixer Assisted Interferometric Six-Port System for Accurate Distance Measurements}, series = {European Radar Conference, 11-13 Oct. 2017, Nuremberg, Germany}, booktitle = {European Radar Conference, 11-13 Oct. 2017, Nuremberg, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-049-1}, doi = {10.23919/EURAD.2017.8249204}, pages = {291 -- 294}, language = {en} } @inproceedings{FrankWeigelKoelpin, author = {Frank, Martin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {A Multilayer Reconfigurable Transmitarray in KBand for Beam Steering Applications}, series = {International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 Sept. 2017 Verona, Italy}, booktitle = {International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 Sept. 2017 Verona, Italy}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5090-4451-1}, doi = {10.1109/ICEAA.2017.8065361}, pages = {764 -- 767}, language = {en} } @inproceedings{ErhardtWeigelKoelpin, author = {Erhardt, Stefan and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Receiving GSM Broadcast Channels with an Ultra- Low Power Sub-GHz Transceiver}, series = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, booktitle = {47th European Microwave Conference (EuMC), 10-12 Oct. 2017, Nuremberg, Germany}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-2-87487-047-7}, doi = {10.23919/EuMC.2017.8230869}, pages = {380 -- 383}, language = {en} } @inproceedings{WillShiWeigeletal., author = {Will, Christoph and Shi, Kilin and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Advanced Template Matching Algorithm for Instantaneous Heartbeat Detection using Continuous Wave Radar Systems}, series = {First IEEE MTT-S International Microwave Bio Conference (IMBIOC), G{\"o}teborg (Sweden), 2017}, booktitle = {First IEEE MTT-S International Microwave Bio Conference (IMBIOC), G{\"o}teborg (Sweden), 2017}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-1713-7}, doi = {10.1109/IMBIOC.2017.7965797}, pages = {4}, language = {en} } @misc{RippergerGuentherWieseretal., author = {Ripperger, Simon and G{\"u}nther, Linus and Wieser, Hanna and Duda, Niklas and Hierold, Martin and Cassens, Bj{\"o}rn and Kapitza, R{\"u}diger and K{\"o}lpin, Alexander and Mayer, Frieder}, title = {Proximity sensors reveal social information transfer in maternity colonies of Common noctule bats}, series = {bioRxiv}, journal = {bioRxiv}, doi = {10.1101/421974}, pages = {33}, language = {en} } @misc{RippergerGuentherWieseretal., author = {Ripperger, Simon and G{\"u}nther, Linus and Wieser, Hanna and Duda, Niklas and Hierold, Martin and Cassens, Bj{\"o}rn and Kapitza, R{\"u}diger and K{\"o}lpin, Alexander and Mayer, Frieder}, title = {Proximity sensors on common noctule bats reveal evidence that mothers guide juveniles to roosts but not food}, series = {Biology Letters der Royal Society}, volume = {15}, journal = {Biology Letters der Royal Society}, number = {2}, issn = {1744-9561}, doi = {10.1098/rsbl.2018.0884}, pages = {6}, language = {en} } @misc{BudroweitJakschAliaetal., author = {Budroweit, Jan and Jaksch, Mattis and Al{\´i}a, Rub{\´e}n Gracia and Coronetti, Andrea and K{\"o}lpin, Alexander}, title = {Heavy Ion Induced Single Event Effects Characterization on an RF-Agile Transceiver for Flexible Multi-Band RawSpace Avidio Systems in Neonics}, series = {Aerospace}, volume = {7}, journal = {Aerospace}, number = {14}, issn = {2226-4310}, doi = {10.3390/aerospace7020014}, pages = {1 -- 19}, language = {en} } @misc{DudaRippergerMayeretal., author = {Duda, Niklas and Ripperger, Simon and Mayer, Frieder and Weigel, Robert and K{\"o}lpin, Alexander}, title = {Low-Weight Noninvasive Heart Beat Detector for Small Airborne Vertebrates}, series = {IEEE Sensors Letters}, volume = {4}, journal = {IEEE Sensors Letters}, number = {2}, issn = {2475-1472}, doi = {10.1109/LSENS.2020.2971769}, pages = {13053}, language = {en} } @misc{HeiningMichlerScheineretal., author = {Heining, Simon and Michler, Fabian and Scheiner, Benedict and Hassan, Emadeldeen and K{\"o}lpin, Alexander and Weigel, Robert and Lurz, Fabian}, title = {An Ultra Broadband Multi-Tone Six-Port Radar for Distance Measurements in K-Band Waveguides}, series = {IEEE Radio and Wireless Symposium 2020,26-29 Jan. 2020, San Antonio, TX, USA}, journal = {IEEE Radio and Wireless Symposium 2020,26-29 Jan. 2020, San Antonio, TX, USA}, isbn = {978-1-7281-1120-9}, doi = {10.1109/RWS45077.2020.9050025}, pages = {4}, language = {en} }