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  • J. Rimmelspacher, A. Hagelauer, R. Weigel, and V. Issakov, "A 60 GHz Push-Push Voltage-Controlled Oscillator with Adaptive Gate Biasing in 28 nm Bulk CMOS Technology" in International Microwave Symposium 2018, Philadelphia, Pennsylvania, USA, 2018 (to be published). [Bibtex]
    @inproceedings{rimmelspacher2018a,
    author = {Rimmelspacher, Johannes and Hagelauer, Amelie and Weigel, Robert and Issakov, Vadim},
    booktitle = {International Microwave Symposium 2018},
    cris = {https://cris.fau.de/converis/publicweb/publication/1076102},
    year = {2018},
    month = {06},
    day = {10},
    eventdate = {2018-06-10/2018-06-15},
    faupublication = {yes},
    note = {unpublished},
    peerreviewed = {Yes},
    title = {A 60 GHz Push-Push Voltage-Controlled Oscillator with Adaptive Gate Biasing in 28 nm Bulk CMOS Technology},
    type = {Konferenzschrift},
    venue = {Philadelphia, Pennsylvania, USA},
    }
  • K. Shi, C. Will, R. Weigel, and A. Koelpin, "Contactless Person Identification Using Cardiac Radar Signals" in 2018 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Houston, Texas, 2018 (to be published). [Bibtex]
    @inproceedings{shi2018a,
    abstract = {Radar systems have been researched for the use of presence detection and contactless vital sign monitoring. However, there exists no established biometrics for remote and unique person identification during such monitoring. Conventional biometrics like fingerprint or iris scan yield the disadvantage that direct contact with the person is needed. This paper explores the possibility of using cardiac radar signals as new biometric parameter for unique person identification. Measurements on different persons are performed using a 24GHz continuous wave radar system which utilizes the Six-Port technology. An advanced signal processing and classification routine is presented to perform automatic person identification. Among several classifiers, quadratic support vector machines achieve the best performance and reach an overall accuracy of up to 94.6%.},
    author = {Shi, Kilin and Will, Christoph and Weigel, Robert and Koelpin, Alexander},
    language = {English},
    booktitle = {2018 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)},
    cris = {https://cris.fau.de/converis/publicweb/publication/1075779},
    year = {2018},
    month = {05},
    day = {14},
    eventdate = {2018-05-14/2018-05-17},
    faupublication = {yes},
    note = {unpublished},
    peerreviewed = {automatic},
    title = {Contactless Person Identification Using Cardiac Radar Signals},
    venue = {Houston, Texas},
    }
  • F. Lurz, B. Scheiner, S. Linz, R. Weigel, and A. Koelpin, "Compact PCB Delay Line for Six-Port Based Instantaneous Frequency Measurement" in 22nd International Microwave and Radar Conference (MIKON), Poznań, 2018 (to be published). [Bibtex]
    @inproceedings{lurz2018b,
    author = {Lurz, Fabian and Scheiner, Benedict and Linz, Sarah and Weigel, Robert and Koelpin, Alexander},
    booktitle = {22nd International Microwave and Radar Conference (MIKON)},
    cris = {https://cris.fau.de/converis/publicweb/publication/1078501},
    year = {2018},
    month = {05},
    day = {15},
    eventdate = {2018-05-15/2018-05-17},
    faupublication = {yes},
    note = {unpublished},
    peerreviewed = {automatic},
    title = {Compact PCB Delay Line for Six-Port Based Instantaneous Frequency Measurement},
    venue = {Poznań},
    }
  • S. Linz, F. Lurz, R. Weigel, and A. Koelpin, "A Review on Six-Port Radar and Its Calibration Techniques" in 22nd International Microwave and Radar Conference (MIKON), Poznań, 2018 (to be published). [Bibtex]
    @inproceedings{linz2018,
    author = {Linz, Sarah and Lurz, Fabian and Weigel, Robert and Koelpin, Alexander},
    booktitle = {22nd International Microwave and Radar Conference (MIKON)},
    cris = {https://cris.fau.de/converis/publicweb/publication/1078505},
    year = {2018},
    month = {05},
    day = {15},
    eventdate = {2018-05-15/2018-05-17},
    faupublication = {yes},
    note = {unpublished},
    peerreviewed = {automatic},
    title = {A Review on Six-Port Radar and Its Calibration Techniques},
    venue = {Poznań},
    }
  • K. Shi, C. Will, T. Steigleder, F. Michler, R. Weigel, C. Ostgathe, and A. Koelpin, "A Contactless System for Continuous Vital Sign Monitoring in Palliative and Intensive Care" in 2018 Annual IEEE International Systems Conference (SysCon), Vancouver, Kanada, 2018 (to be published). [Bibtex]
    @inproceedings{shi2018,
    abstract = {Vital sign monitoring systems play a crucial role in the medical environment. Patients in palliative and intensive care can especially benefit from continuous observation by detecting sudden changes in health status allowing the medical staff to promptly provide intensified symptom amelioration at the end-of-life. However, machine based monitoring like electrocardiography requires the patient being permanently wired to the device. This circumstance severely restricts the independence and mobility of the patient, leading to a decrease in the quality of life. For this reason, palliative care stations currently usually avoid continuous monitoring. After a comprehensive literature survey and background research, this paper presents a novel approach by using a single radar system to perform continuous and above all contactless monitoring of respiration and heartbeat. A continuous wave radar using the Six-Port technology is introduced and its feasibility, performance and real-time capability are validated in long-term measurements on different test persons. In comparison to gold standard reference devices a correlation of 97.6% was achieved.},
    author = {Shi, Kilin and Will, Christoph and Steigleder, Tobias and Michler, Fabian and Weigel, Robert and Ostgathe, Christoph and Koelpin, Alexander},
    language = {English},
    booktitle = {2018 Annual IEEE International Systems Conference (SysCon)},
    cris = {https://cris.fau.de/converis/publicweb/publication/1074368},
    year = {2018},
    month = {04},
    day = {23},
    eventdate = {2018-04-23/2018-04-26},
    faupublication = {yes},
    note = {unpublished},
    peerreviewed = {automatic},
    title = {A Contactless System for Continuous Vital Sign Monitoring in Palliative and Intensive Care},
    type = {Konferenzschrift},
    venue = {Vancouver, Kanada},
    }
  • [DOI] B. Scheiner, F. Lurz, F. Michler, S. Lindner, S. Linz, R. Weigel, and A. Koelpin, "Fast Dual-Synthesizer for Six-Port In-Situ Linearization in the 2,4 GHz ISM-Band" in German Microwave Conference, Freiburg, Germany, 2018, pp. 223-226. [Bibtex]
    @inproceedings{scheiner2018a,
    author = {Scheiner, Benedict and Lurz, Fabian and Michler, Fabian and Lindner, Stefan and Linz, Sarah and Weigel, Robert and Koelpin, Alexander},
    booktitle = {German Microwave Conference},
    cris = {https://cris.fau.de/converis/publicweb/publication/1074695},
    year = {2018},
    month = {03},
    day = {13},
    doi = {10.23919/GEMIC.2018.8335070},
    eventdate = {2018-03-12/2018-03-14},
    faupublication = {yes},
    pages = {223--226},
    peerreviewed = {unknown},
    title = {Fast Dual-Synthesizer for Six-Port In-Situ Linearization in the 2,4 GHz ISM-Band},
    type = {Konferenzschrift},
    venue = {Freiburg, Germany},
    }
  • V. Chauhan, Y. Liang, Y. Liao, V. Silva, R. Weigel, and A. Hagelauer, "Application of X-parameters in studying nonlinearities in BAW and SAW Filters" in German Microwave Conference, Freiburg, Germany, 2018, pp. 1-4 (to be published). [Bibtex]
    @inproceedings{chauhan2018,
    author = {Chauhan, Vikrant and Liang, Yunshi and Liao, Yucheng and Silva, Victor and Weigel, Robert and Hagelauer, Amelie},
    language = {English},
    booktitle = {German Microwave Conference},
    cris = {https://cris.fau.de/converis/publicweb/publication/1077833},
    year = {2018},
    month = {03},
    day = {12},
    eventdate = {2018-03-12/2018-03-14},
    eventtitle = {German Microwave Conference},
    faupublication = {yes},
    note = {unpublished},
    pages = {1--4},
    peerreviewed = {unknown},
    title = {Application of X-parameters in studying nonlinearities in BAW and SAW Filters},
    type = {Konferenzschrift},
    venue = {Freiburg, Germany},
    }

COPYRIGHT NOTICE: Copyright and all rights of the material above are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by the appropriate copyright. The material may not be reposted without the explicit permission of the copyright holder.

COPYRIGHT NOTICE FOR IEEE PUBLICATIONS: © IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

COPYRIGHT NOTICE FOR EUMA PUBLICATIONS: © EUMA. Personal use of this material is permitted. Permission from European Microwave Association(EUMA) must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.


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  • F. Lurz, S. Lindner, A. Koelpin, G. Sept-Enzel, P. Dingler, and E. Halder, Elektrisches Messsystem zur Frequenzmessung und Erkennung von Störsignalen und Betriebsverfahren hierfür, 2016. [Bibtex]
    @patent{lurz_patent_2016,
    author = {Lurz, Fabian and Lindner, Stefan and Koelpin, Alexander and Sept-Enzel, Gerold and Dingler, Peter and Halder, Ernst},
    cris = {lurz_patent_2016},
    year = {2016},
    month = {10},
    day = {13},
    number = {DE 102016119562 B3},
    title = {Elektrisches Messsystem zur Frequenzmessung und Erkennung von Störsignalen und Betriebsverfahren hierfür},
    type = {patent},
    }
  • M. Trautmann, B. Sanftl, A. Koelpin, T. Heckel, L. Frey, S. Ditze, A. Endruschat, C. Joffe, A. Rosskopf, and T. Schriefer, System zur drahtlosen Übertragung von Energie und Daten, 2016. [Bibtex]
    @patent{trautmann_patent_2016,
    abstract = {Die Erfindung betrifft ein System zur drahtlosen Übertragung von Energie und Daten, bei dem mindestens zwei in einem Abstand zueinander angeordnete Spulen oder elektrische Leiterbahnen für die Übertragung von Energie vorhanden sind. Dabei ist jeweils mindestens eine elektrische Spule oder elektrische Leiterbahn zur Übertragung von Energie und/oder mindestens eine elektrische Spule oder elektrische Leiterbahn zur Übertragung von Daten an jeweils eine elektrische Wechselspannungsquelle angeschlossen. Dabei ist mindestens eine elektrische Wechselspannungsquelle modulierbar. Die elektrischen Spulen oder elektrischen Leiterbahnen zur Übertragung von Daten sind mit elektrischer Spannung mit einer Frequenz, die kleiner als die Frequenz mit der eine elektrische Spannung zur Übertragung von Energie mittels der elektrischen Spulen oder elektrischen Leiterbahnen zur Übertragung von Energie eingesetzt ist, betrieben.},
    author = {Trautmann, Martin and Sanftl, Benedikt and Koelpin, Alexander and Heckel, Thomas and Frey, Lothar and Ditze, Stefan and Endruschat, Achim and Joffe, Christopher and Rosskopf, Andreas and Schriefer, Thomas},
    cris = {trautmann_patent_2016},
    year = {2016},
    month = {09},
    day = {29},
    keywords = {Inductive Power Transfer},
    number = {102016206767.2},
    title = {System zur drahtlosen Übertragung von Energie und Daten},
    type = {patent},
    }

COPYRIGHT NOTICE: Copyright and all rights of the material above are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by the appropriate copyright. The material may not be reposted without the explicit permission of the copyright holder.

COPYRIGHT NOTICE FOR IEEE PUBLICATIONS: © IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

COPYRIGHT NOTICE FOR EUMA PUBLICATIONS: © EUMA. Personal use of this material is permitted. Permission from European Microwave Association(EUMA) must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.


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  • R. Weigel, EuMA Distinguished Service Award 2018, European Microwave Association (EuMA), 2018. [Bibtex]
    @prize{weigel_prize_2018,
    abstract = {For contributions to the field of microwaves in Europe and to EuMA in an outstanding way.},
    author = {Weigel, Robert},
    booktitle = {European Microwave Association (EuMA)},
    cris = {weigel_prize_2018},
    year = {2018},
    month = {09},
    day = {25},
    title = {EuMA Distinguished Service Award 2018},
    }
  • K. Shi, 2018 IEEE I2MTC Student Travel Award, IEEE, 2018. [Bibtex]
    @prize{shi_prize_2018,
    abstract = {Student Travel Award for the paper, "Contactless Person Identification Using Cardiac Radar Signals" in the amount of $600.00 USD to offset expenses related to the attendance at I2MTC 2018 in Houston, TX, USA.},
    author = {Shi, Kilin},
    booktitle = {IEEE},
    cris = {shi_prize_2018},
    year = {2018},
    month = {09},
    day = {01},
    title = {2018 IEEE I2MTC Student Travel Award},
    }
  • R. Weigel, IEEE Rudolf Henning Distinguished Mentoring Award, Institute of Electrical and Electronics Engineers (IEEE), 2018. [Bibtex]
    @prize{weigel_prize_2018a,
    abstract = {To recognize an individual who has performed exemplary service encouraging students and/or mentoring young engineers to advance their careers in the areas of RF/Microwave and/or Wireless Engineering.},
    author = {Weigel, Robert},
    booktitle = {Institute of Electrical and Electronics Engineers (IEEE)},
    cris = {weigel_prize_2018a},
    year = {2018},
    month = {04},
    day = {09},
    title = {IEEE Rudolf Henning Distinguished Mentoring Award},
    }

COPYRIGHT NOTICE: Copyright and all rights of the material above are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by the appropriate copyright. The material may not be reposted without the explicit permission of the copyright holder.

COPYRIGHT NOTICE FOR IEEE PUBLICATIONS: © IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

COPYRIGHT NOTICE FOR EUMA PUBLICATIONS: © EUMA. Personal use of this material is permitted. Permission from European Microwave Association(EUMA) must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.


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