Horst Hellbrück
Prof. Dr. Dipl.-Ing.
Horst Hellbrück


Telefon:+49 451 300 5042
E-Mail:horst.hellbrueck@th-luebeck.de
Raum:18-2.12

Sprechstunden

Während des Semesters

Montags 16:00 - 17:00h
Mittwochs 16:30 - 17:00h (Auf Anfrage)

In den Semesterferien auf Anfrage.

Interessen

Das Kompetenzzentrum CoSA beschäftigt sich mit Kommunikationssystemen, Verteilten Systemen und deren Anwendungen. Meine Schwerpunkte sind die angewandte Forschung moderner Strukturen wie drahtlose mobile Netze und Sensornetze. Besonderes Interesse gilt den Anwendungen von Sensornetzen in verschiedenen Einsatzfeldern von der Medizintechnik bis hin zur Tiefseetechnik.

Aktuelle Projekte

  • 5G-TELK-NF

  • ANIPULS
    Entwicklung eines Hybridverfahrens zur nichtinvasiven Bestimmung des Blutdrucks mit UWB-Radar (Ultra wideband) und Ultraschall

  • Baltic Future Port

  • DING
    Digitale Infrastruktur für einen nachhaltigen Gebäudebetrieb

  • EXTENSE
    Entwicklung eines Messsystems zur Detektion und Ortung von Objekten in Sedimenten

  • KI-5G
    KI-gestützte Ressourcenallokation in privaten 5G Netzen

  • KI-TransferHUB
  • MDZ-SH
    Mittelstand-Digital Zentrum Schleswig-Holstein

  • PASBADIA
    Patientennahe Smartphone-basierte Diagnostik mit lokaler und zentraler KI-Plattform für die Primärversorgung im ländlichen Raum

  • TGZ
    Technologien für eine gesunde Zukunft

Abgeschlossene Projekte

  • IoTiSS
    Internet of Things in Smart Streetlighting
  • DRAISE
    Drahtlose, robuste, adaptive, industrielle Systeme
  • LUMEN I
    Multisensorische Adjustierung der invasiven Blutdruckmessung zur Kompensation von Änderungen in der Körperposition
  • LUMEN II
    Kompensierte Blutdruckmessung durch Analyse der Herztöne in einem Body-Area-Network
  • m:flo
    Multiple Frequenzbänder für Lokalisation
  • Mittelstand 4.0
    Digitalisierung für den Mittelstand

  • MOIN
    Minimale Ortungsinfrastruktur

  • RosiE
    Robuste und sicherheitsrelevante Echtzeitlokalisation
  • BOSS COGNET
    Bionic Observation and Survey System – Cognition and Network
  • SoCor
    Strategies for cooperative spectrum sensing in Cognitive Radio networks
  • DataCast
    Datenzentrisches Netzwerkprotokoll im Internet
  • G-Lab
    Real-World G-Lab
  • SoFT
    Selbstorganisierende Funkübertragungstechnik
  • TriSOS
    Smart Object Systems, Self-Organizing Systems, Service Oriented Systems
  • AutoNomos
  • MarathonNet
Tagungen und Organisationen
  • seit 2005 Aktives GI-Mitglied der KuVS-Gruppe
  • 2006 4. Deutsche KuVS Summer School 2006 - Selbstorganisation, Organisation und Leitung der Veranstaltung zur Förderung der Nachwuchswissenschaftler 
  • 2008 Multi Konferenz (Mensch & Computer, DeLFI, Cognitive Design, Usability Professionals), Exhibition Chair
  • seit 2009 Mitglied des Leitungsgremiums der GI/ITG-Fachgruppe KuVS
  • 2009 GI Jahrestagung Lübeck, Exhibition Chair
  • 2011 KiVS Kiel, Workshop Chair
  • seit 2011 Gutachter für Acquin-Akkreditierungagentur
  • seit 2011 Gutachter für BMBF
  • seit 2012 Studiengangsverantwortlicher für den internationalen Studiengang Elektrotechnik (ISE) an der Technischen Hochschule Lübeck
  • von 2013 bis 2019 Zweiter Vorsitzender des Life Science Nord e.V.
  • seit 2013 Mitglied der ITG-Fachgruppe 5.2.1 Systemarchitektur und Traffic Engineering
  • seit 2013 Leitung des Kompetenzzentrums CoSA
  • seit 2018 Studiengangsverantwortlicher für den Master Studiengang Elektrotechnik (AIT) an der Technischen Hochschule Lübeck
  • von 2019 - 2022 Vorsitzender des VDILandesverband Schleswig-Holstein
Reviewer für Journals
  • PMC (Pervasive and Mobile Computing - Elsevier)
  • PIK (Praxis der Informationsverarbeitung und Kommunikation)

 

Mitglied verschiedener internationaler Programmkommittees
  • IADIS WWW/Internet (ICWI)
  • IASTED International Conference on Telematics
  • IASTED RTA International Conference on Robotics, Telematics and Applications
  • LOCALGOS (Workshop on Localized Algorithms and Protocols for Wireless Sensor Networks)
  • LOCAN (Workshop on Localized Communication and Topology Protocols for Ad hoc Networks)
  • WMAN (Workshop on Mobile Ad Hoc Networks)

Lebenslauf

  • Geboren am 23. Oktober 1967
  • Abitur 1986 am Johannes Kepler Gymnasium Lebach
  • Diplom in Elektrotechnik 1994 an der Universität des Saarlandes
  • Software-Entwicklung 1994-1998 bei Dräger in Lübeck
  • Internationales Produktmarketing 1998-2000 bei eupec in Warstein
  • Wissenschaftlicher Mitarbeiter 2000-2004 an der International University in Germany, Bruchsal
  • Promotion in Informatik 2004 an der Technischen Universität in Braunschweig
  • Leiter Automatisierungstechnik in einem Pharma-Projekt 2004-2005 bei Roche Diagnostics GmbH in Mannheim
  • Von Februar 2005 bis Januar 2008: Wissenschaftlicher Mitarbeiter am Institut für Telematik an der Universität zu Lübeck
  • Seit Februar 2008 Professur für Kommunikationssysteme an der Technischen Hochschule Lübeck
  • Seit Dezember 2013 Leitung des Kompetenzzentrums CoSA
  • Seit 2016 Zweitmitglied an der Universität zu Lübeck am Institut für Telematik

Werkzeuge

  • ANSim:
    Mein Werkzug ANSim ist umgezogen auf die neue Web Adresse www.ansim.info. ANSim ist ein einfach zu verwendendes Werkzeug Ad-Hoc Netzwerk Simulator, das im Rahmen meiner Doktorarbeit entwickelt wurde.
  • JGPSMap:
    Das Werkzeug stellt beliebige Objekte (GPS-Koordinaten) auf einer Karte dar. Nähere Informationen auf der Projekt Web Site. Das Werkzeug läßt sich auch direkt herunterladen.

Lehre

Ein Überblick über die Einbindung der Lehrveranstaltungen findet sich auf den Seiten der entsprechenden Studiengänge. Der Forschungsschwerpunkt und die Interessen zeigen sich auch in den angebotenen Veranstaltungen.

 

International University in Bruchsal
  • Introduction to C Programming (MICT) - Programming Styles / Teil: Procedural Programming (BSc)
  • Networking and Distributed Systems / Assistant (BSc)
  • Software Engineering / Assistant (MICT)
  • Web Applications with Java and XML (BSc)
  • Web Programming (MICT)
  • Advanced Networking / Wireless Networks (MICT)
  • Wireless Networks (MICT)
  • Enterprise Information Systems I (MBA)
  • Information Systems (BBA)
  • Operating Systems (BSc)
  • Cryptographic Techniques / Praktischer Teil: Anwendungen (BSc)
Universität zu Lübeck
  • Betriebs- und Kommunikationssysteme (BSc, MSc und Diplom)
  • Betriebssysteme (BSc und Diplom)
  • Computernetze (BSc und Diplom)
  • Mobilkommunikation (MSc und Diplom)
  • Sicherheit in Verteilten Systemen (BSc, MSc und Diplom)
  • Drahtlose Sensornetze (MSc und Diplom)
  • Zugang zu dem Vorlesungsmaterial findet sich auf meiner alten Homepage.
Technische Hochschule Lübeck

Publikationen

2022

2022

H. Petersen, F. John and H. Hellbrück, Effect of Object Diameter Specific Reflections to Underwater Ultrasonic Multipath Diffraction Measurements, 2022.

2022

S. O. Schmidt, F. John and H. Hellbrück, "Evaluation of 3-dimensional Electrical Impedance Tomography-Arrays for Underwater Object Detection" in OCEANS Conference 2022 - Chennai, 2022, pp. 1--6.

2022

H. Petersen, F. John and H. Hellbrück, Effect of Object Diameter Specific Reflections to Underwater Ultrasonic Multipath Diffraction Measurements, 2022.

2022

F. John, S. O. Schmidt and H. Hellbrück, "Spectral Ultrasonic Underwater Buried Object Detection and Localization" in OCEANS Conference 2022 - Chennai, 2022, pp. 1--7.

2022

L. Vosteen, F. John, J. Schuljak, B. Sievers, A. Hanemann and H. Hellbrück, "Practical Security Analysis and Measures for 5G Private Industrial Standalone (SA) Deployments" in 26. VDE/ITG Fachtagung Mobilkommunikation, 2022, pp. 1--6.

2022

L. Vosteen, F. John, J. Schuljak, B. Sievers, A. Hanemann and H. Hellbrück, "Practical Security Analysis and Measures for 5G Private Industrial Standalone (SA) Deployments" in 26. VDE/ITG Fachtagung Mobilkommunikation, 2022, pp. 1--6.

2022

S. O. Schmidt, F. John and H. Hellbrück, "Evaluation of 3-dimensional Electrical Impedance Tomography-Arrays for Underwater Object Detection" in OCEANS Conference 2022 - Chennai, 2022, pp. 1--6.

2022

F. John, S. O. Schmidt and H. Hellbrück, "Spectral Ultrasonic Underwater Buried Object Detection and Localization" in OCEANS Conference 2022 - Chennai, 2022, pp. 1--7.

2022

L. P. Schön, F. John and H. Hellbrück, Underwater Ultrasonic Multipath Diffraction Model for Short Range Communication and Sensing Applications with Reflector, 2022.

2022

G. Mulkerin, F. John and H. Hellbrück, Feature Identifier for Underwater Ultrasonic Multipath Diffraction Model, 2022.

2022

G. Mulkerin, F. John and H. Hellbrück, Feature Identifier for Underwater Ultrasonic Multipath Diffraction Model, 2022.

2022

R. Angelstein, S. O. Schmidt, F. John and H. Hellbrück, Evaluation and Error Correction of Position Tracking Systems of Autonomous Vehicles for Indoor Localization, 2022.

2022

R. Angelstein, S. O. Schmidt, F. John and H. Hellbrück, Evaluation and Error Correction of Position Tracking Systems of Autonomous Vehicles for Indoor Localization, 2022.

2022

L. P. Schön, F. John and H. Hellbrück, Underwater Ultrasonic Multipath Diffraction Model for Short Range Communication and Sensing Applications with Reflector, 2022.

2021

2021

T. Winkel, S. O. Schmidt and H. Hellbrück, "Modeling UWB Multipath Propagation considering Material-Dependent Reflection Effects" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/winkel_modeling_uwb_mp_considering_material_dependent_reflection_effects.pdf

2021

F. John, S. O. Schmidt and H. Hellbrück, "High Precision Open Laboratory 3D Positioning System for Automated Underwater Measurements" in Global Oceans 2021: San Diego - Porto, 2021, pp. 1-5.
Datei:https://ieeexplore.ieee.org/abstract/document/9706087/

2021

B. Sievers, S. Hauschild and H. Hellbrück, "Inference and Performance Analysis of Convolutional Neural Networks used for Human Gesture Recognition on IoT-Devices" , Lübeck, 2021.
Datei:pdfhttps://www.th-luebeck.de/fileadmin/media_cosa/Dateien/Veroeffentlichungen/ScientificWorking2021/sievers_interference_and_performance_analysis_of_convolutional_neural_networks_used_for_human_gesture_recognition_on_iot_devices.pdf

2021

B. Sievers, S. Hauschild and H. Hellbrück, "Inference and Performance Analysis of Convolutional Neural Networks used for Human Gesture Recognition on IoT-Devices" , Lübeck, 2021.
Datei:pdfhttps://www.th-luebeck.de/fileadmin/media_cosa/Dateien/Veroeffentlichungen/ScientificWorking2021/sievers_interference_and_performance_analysis_of_convolutional_neural_networks_used_for_human_gesture_recognition_on_iot_devices.pdf

2021

T. Winkel, S. O. Schmidt and H. Hellbrück, "Modeling UWB Multipath Propagation considering Material-Dependent Reflection Effects" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/winkel_modeling_uwb_mp_considering_material_dependent_reflection_effects.pdf

2021

S. Schramm, S. O. Schmidt and H. Hellbrück, "Modeling the Path Losses of Ultra-Wideband Signals in Multipath Propagation Channels" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/schramm_modeling_the_path_losses_of_uwb_signals_in_mp_channels.pdf

2021

J. Kniesel, S. O. Schmidt and H. Hellbrück, "Modeling the Interference of Ultra-Wideband Signals in Multipath Propagation Channels" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/kniesel_modeling_the_interference_of_uwb_signals_in_mp_channels.pdf

2021

J. Kniesel, S. O. Schmidt and H. Hellbrück, "Modeling the Interference of Ultra-Wideband Signals in Multipath Propagation Channels" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/kniesel_modeling_the_interference_of_uwb_signals_in_mp_channels.pdf

2021

S. Schramm, S. O. Schmidt and H. Hellbrück, "Modeling the Path Losses of Ultra-Wideband Signals in Multipath Propagation Channels" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/schramm_modeling_the_path_losses_of_uwb_signals_in_mp_channels.pdf

2021

F. John, M. Cimdins and H. Hellbrück, "Underwater Ultrasonic Multipath Diffraction Model for Short Range Communication and Sensing Applications", IEEE Sensors Journal, vol. 21, no. 20, pp. 22934-22943, 2021.
DOI:10.1109/JSEN.2021.3110005
Datei:https://ieeexplore.ieee.org/abstract/document/9528304

2021

F. John, M. Cimdins and H. Hellbrück, "Underwater Ultrasonic Multipath Diffraction Model for Short Range Communication and Sensing Applications", IEEE Sensors Journal, vol. 21, no. 20, pp. 22934-22943, 2021.
DOI:10.1109/JSEN.2021.3110005
Datei:https://ieeexplore.ieee.org/abstract/document/9528304

2021

C. Elsner, F. John and H. Hellbrück, "Gigahertz Ground Penetrating Radar (GPR) for Sediment Exploration" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/elsner_gigahertz_gpr_for_sediment_exploration.pdf

2021

F. John, S. O. Schmidt and H. Hellbrück, "High Precision Open Laboratory 3D Positioning System for Automated Underwater Measurements" in Global Oceans 2021: San Diego - Porto, 2021, pp. 1-5.
Datei:https://ieeexplore.ieee.org/abstract/document/9706087/

2021

M. Meusel, P. Wegerich, B. Bode, E. Stawschenko, K. Kusche-Vihrog, H. Hellbrück and H. Gehring, "Measurement of Blood Pressure by Ultrasound - The Applicability of Devices, Algorithms and a View in Local Hemodynamics", Diagnostics, vol. 11, no. 12, 2021.
DOI:10.3390/diagnostics11122255
Datei:https://www.mdpi.com/2075-4418/11/12/2255

2021

C. Elsner, F. John and H. Hellbrück, "Gigahertz Ground Penetrating Radar (GPR) for Sediment Exploration" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/elsner_gigahertz_gpr_for_sediment_exploration.pdf

2021

A. Lindenberg, G. Ardelt, F. John and H. Hellbrück, "Object Localization in Seawater via Electrical Impedance Measurements" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/lindenberg_testbench_for_impedance_mapping_of_metal_bodies_in_seawater.pdf

2021

H. Hellbrück, G. Ardelt, P. Wegerich and H. Gehring, "Brachialis Pulse Wave Measurements with Ultra-Wide Band and Continuous Wave Radar, Photoplethysmography and Ultrasonic Doppler Sensors", Sensors, vol. 21, no. 165, 2021. Multidisciplinary Digital Publishing Institute (MDPI).
DOI:10.3390/s21010165

2021

M. Cimdins, S. O. Schmidt and H. Hellbrück, "Comparison of I/Q- and Magnitude-based UWB Channel Impulse Responses for Device-free Localization" in International Conference on Localization and GNSS, 2021.

2021

M. Cimdins, S. O. Schmidt and H. Hellbrück, "Comparison of I/Q- and Magnitude-based UWB Channel Impulse Responses for Device-free Localization" in International Conference on Localization and GNSS, 2021.

2021

R. Kusche, S. O. Schmidt and H. Hellbrück, "Indoor Positioning via Artificial Magnetic Fields", IEEE Transactions on Instrumentation and Measurement, vol. 20, no. 24, pp. 7090, 2021. Multidisciplinary Digital Publishing Institute.

2021

M. Cimdins, F. John and H. Hellbrück, "Flexible Data Acquisition with LoRaWAN and MQTT for Small and Medium-sized Enterprises" in Mobile Communication - Technologies and Applications; 25th ITG-Symposium, 2021, pp. 1-6.
Datei:https://ieeexplore.ieee.org/abstract/document/9657186

2021

R. Kusche, S. O. Schmidt and H. Hellbrück, "Indoor Positioning via Artificial Magnetic Fields", IEEE Transactions on Instrumentation and Measurement, vol. 20, no. 24, pp. 7090, 2021. Multidisciplinary Digital Publishing Institute.

2021

A. Lindenberg, G. Ardelt, F. John and H. Hellbrück, "Object Localization in Seawater via Electrical Impedance Measurements" , Lübeck, 2021.
Datei:pdfhttps://cosa.th-luebeck.de/files/sciwo2021/lindenberg_testbench_for_impedance_mapping_of_metal_bodies_in_seawater.pdf

2021

H. Hellbrück, G. Ardelt, P. Wegerich and H. Gehring, "Brachialis Pulse Wave Measurements with Ultra-Wide Band and Continuous Wave Radar, Photoplethysmography and Ultrasonic Doppler Sensors", Sensors, vol. 21, no. 165, 2021. Multidisciplinary Digital Publishing Institute (MDPI).
DOI:10.3390/s21010165

2021

H. Hellbrück, G. Ardelt, P. Wegerich and H. Gehring, "Brachialis Pulse Wave Measurements with Ultra-Wide Band and Continuous Wave Radar, Photoplethysmography and Ultrasonic Doppler Sensors", Sensors, vol. 21, no. 165, 2021. Multidisciplinary Digital Publishing Institute (MDPI).
DOI:10.3390/s21010165

2021

F. John, S. O. Schmidt and H. Hellbrück, "Flexible Arbitrary Signal Generation and Acquisition System for Compact Underwater Measurement Systems and Data Fusion" in Global Oceans 2021: San Diego - Porto, 2021, pp. 1-6.
Datei:https://ieeexplore.ieee.org/abstract/document/9705710/

2021

F. John, S. O. Schmidt and H. Hellbrück, "Flexible Arbitrary Signal Generation and Acquisition System for Compact Underwater Measurement Systems and Data Fusion" in Global Oceans 2021: San Diego - Porto, 2021, pp. 1-6.
Datei:https://ieeexplore.ieee.org/abstract/document/9705710/

2021

M. Cimdins, F. John and H. Hellbrück, "Flexible Data Acquisition with LoRaWAN and MQTT for Small and Medium-sized Enterprises" in Mobile Communication - Technologies and Applications; 25th ITG-Symposium, 2021, pp. 1-6.
Datei:https://ieeexplore.ieee.org/abstract/document/9657186

2020

2020

R. Kusche and H. Hellbrück, Verfahren zur kontaktlosen Messung wenigstens eines Vitalparameters eines Patienten, 2020.

2020

R. Kusche and H. Hellbrück, Verfahren zur kontaktlosen Messung wenigstens eines Vitalparameters eines Patienten, 2020.

2020

M. Cimdins, S. O. Schmidt and H. Hellbrück, "MAMPI-UWB—Multipath-Assisted Device-Free Localization with Magnitude and Phase Information with UWB Transceivers", Sensors, vol. 20, no. 24, pp. 7090, 2020. Multidisciplinary Digital Publishing Institute.

2020

M. Cimdins, S. O. Schmidt and H. Hellbrück, "MAMPI-UWB—Multipath-Assisted Device-Free Localization with Magnitude and Phase Information with UWB Transceivers", Sensors, vol. 20, no. 24, pp. 7090, 2020. Multidisciplinary Digital Publishing Institute.

2020

F. John, R. Kusche, F. Adam and H. Hellbrück, "Differential Ultrasonic Detection of Small Objects for Underwater Applications" in Global Oceans 2020: Singapore – U.S. Gulf Coast, 2020, pp. 1-7.
DOI:10.1109/IEEECONF38699.2020.9389186
Datei:https://ieeexplore.ieee.org/document/9389186

2020

F. John, R. Kusche, F. Adam and H. Hellbrück, "Differential Ultrasonic Detection of Small Objects for Underwater Applications" in Global Oceans 2020: Singapore – U.S. Gulf Coast, 2020, pp. 1-7.
DOI:10.1109/IEEECONF38699.2020.9389186
Datei:https://ieeexplore.ieee.org/document/9389186

2020

R. Kusche, F. John, M. Cimdins and H. Hellbrück, "Contact-Free Biosignal Acquisition via Capacitive and Ultrasonic Sensors", IEEE Access, vol. 8, pp. 95629--95641, 2020. https://ieeexplore.ieee.org/iel7/6287639/8948470/09097250.pdf: Institute of Electrical and Electronics Engineers (IEEE).
DOI:10.1109/access.2020.2995861
Datei:pdfhttps://ieeexplore.ieee.org/iel7/6287639/8948470/09097250.pdf

2020

M. Cimdins, S. O. Schmidt and H. Hellbrück, "MAMPI – Multipath-assisted Device-free Localization with Magnitude and Phase Information" in International Conference on Localization and GNSS, 2020.

2020

M. Cimdins, S. O. Schmidt and H. Hellbrück, "MAMPI – Multipath-assisted Device-free Localization with Magnitude and Phase Information" in International Conference on Localization and GNSS, 2020.

2020

R. Kusche, F. John, M. Cimdins and H. Hellbrück, "Contact-Free Biosignal Acquisition via Capacitive and Ultrasonic Sensors", IEEE Access, vol. 8, pp. 95629--95641, 2020. https://ieeexplore.ieee.org/iel7/6287639/8948470/09097250.pdf: Institute of Electrical and Electronics Engineers (IEEE).
DOI:10.1109/access.2020.2995861
Datei:pdfhttps://ieeexplore.ieee.org/iel7/6287639/8948470/09097250.pdf

2019

2019

Brandenburger, M. Constapel, H. Hellbrück and M. Janneck, "Analysis of Types, Positioning and Appearance of Visualizations in Online Teaching Environments to Improve Learning Experiences" in International Conference on Applied Human Factors and Ergonomics, 2019.

2019

T. Geiger, M. Constapel and H. Hellbrück, Recurrent Neural Network for Sequence Classification of mmWave Radar Data, 2019.

2019

B. Matthews, S. O. Schmidt and H. Hellbrück, "Understanding and Prediction of Ultra-Wide Band Channel Impulse Response Measurements" , Braunschweig, 2019.
DOI:10.24355/dbbs.084-201907151207-0
Datei:https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066765

2019

M. Cimdins and H. Hellbrück, "Proceedings of the 4th KuVS/GI Expert Talk on Localization" , Braunschweig, 2019.
DOI:10.24355/dbbs.084-201907151114-0
Datei:https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066759

2019

M. Constapel, M. Cimdins and H. Hellbrück, "A Practical Toolbox for Getting Started with mmWave FMCW Radar Sensors" in Proceedings of the 4th KuVS/GI Expert Talk on Localization, 2019.

2019

M. Constapel, M. Cimdins and H. Hellbrück, "A Practical Toolbox for Getting Started with mmWave FMCW Radar Sensors" in Proceedings of the 4th KuVS/GI Expert Talk on Localization, 2019.

2019

S. Leugner and H. Hellbrück, "eNAV - Enhanced Co-Existence of IEEE802.15.4 and IEEE 802.11" in IEEE Symposium on Local and Metropolitan Area Networks, 2019.

2019

Brandenburger, M. Constapel, H. Hellbrück and M. Janneck, "Analysis of Types, Positioning and Appearance of Visualizations in Online Teaching Environments to Improve Learning Experiences" in International Conference on Applied Human Factors and Ergonomics, 2019.

2019

S. Leugner and H. Hellbrück, "eNAV - Enhanced Co-Existence of IEEE802.15.4 and IEEE 802.11" in IEEE Symposium on Local and Metropolitan Area Networks, 2019.

2019

M. Constapel, D. Doberstein, H. U. Hoppe and H. Hellbrück, "IKARion: Enhancing a Learning Platform with Intelligent Feedback to Improve Team Collaboration and Interaction in Small Groups" in Proceedings of the 18th International Conference on Information Technology Based Higher Education and Training, 2019.

2019

M. Constapel, D. Doberstein, H. U. Hoppe and H. Hellbrück, "IKARion: Enhancing a Learning Platform with Intelligent Feedback to Improve Team Collaboration and Interaction in Small Groups" in Proceedings of the 18th International Conference on Information Technology Based Higher Education and Training, 2019.

2019

D. Wilschewsky, S. Leugner and H. Hellbrück, Suitable Path Loss Model for LoRa networks in suburban areas, 2019.

2019

D. Wilschewsky, S. Leugner and H. Hellbrück, Suitable Path Loss Model for LoRa networks in suburban areas, 2019.

2019

T. Geiger, M. Constapel and H. Hellbrück, Recurrent Neural Network for Sequence Classification of mmWave Radar Data, 2019.

2019

B. Matthews, S. O. Schmidt and H. Hellbrück, "Understanding and Prediction of Ultra-Wide Band Channel Impulse Response Measurements" , Braunschweig, 2019.
DOI:10.24355/dbbs.084-201907151207-0
Datei:https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066765

2019

M. Cimdins and H. Hellbrück, "Proceedings of the 4th KuVS/GI Expert Talk on Localization" , Braunschweig, 2019.
DOI:10.24355/dbbs.084-201907151114-0
Datei:https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066759

2019

M. Hadler, M. Cimdins and H. Hellbrück, Investigation of the Message Delay in Wireless Sensor Networks, 2019.

2019

C. Trejo, M. Cimdins and H. Hellbrück, Phase Error Correction for IEEE 802.11 Channel State Information, 2019.

2019

M. Constapel, M. Cimdins and H. Hellbrück, "A Practical Toolbox for Getting Started with mmWave FMCW Radar Sensors" , Braunschweig, 2019.
DOI:10.24355/dbbs.084-201907151133-0
Datei:https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066760

2019

M. Constapel, M. Cimdins and H. Hellbrück, "A Practical Toolbox for Getting Started with mmWave FMCW Radar Sensors" , Braunschweig, 2019.
DOI:10.24355/dbbs.084-201907151133-0
Datei:https://publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00066760

2019

A. Schuldei, F. John, G. Ardelt, T. Suthau and H. Hellbrück, "Development of an Electro Impedance Tomography-based Platform for Measurement of burial Depth of Cables in Subsea Sediments" in Oceans 2019, 2019.
Datei:https://ieeexplore.ieee.org/abstract/document/8867161/

2019

B. Matthews, M. Cimdins and H. Hellbrück, Improvements to UWB Channel Impulse Response Measurements for Indoor Localization, 2019.

2019

B. Matthews, M. Cimdins and H. Hellbrück, Improvements to UWB Channel Impulse Response Measurements for Indoor Localization, 2019.

2019

A. Schuldei, F. John, G. Ardelt, T. Suthau and H. Hellbrück, "Development of an Electro Impedance Tomography-based Platform for Measurement of burial Depth of Cables in Subsea Sediments" in Oceans 2019, 2019.
Datei:https://ieeexplore.ieee.org/abstract/document/8867161/

2019

M. Cimdins, W. Arlt and H. Hellbrück, "IoTiSS: Internet of Things in Smart Streetlighting", ITG-Fachbericht-Mobilkommunikation, 2019. VDE VERLAG GmbH.

2019

M. Cimdins, S. O. Schmidt and H. Hellbrück, "Modeling the Magnitude and Phase of Multipath UWB Signals for the Use in Passive Localization" in 16th Workshop on Positioning, Navigation and Communication, 2019.

2019

M. Cimdins, S. O. Schmidt and H. Hellbrück, "Modeling the Magnitude and Phase of Multipath UWB Signals for the Use in Passive Localization" in 16th Workshop on Positioning, Navigation and Communication, 2019.

2019

S. O. Schmidt, M. Cimdins and H. Hellbrück, "On the Effective Length of Channel Impulse Responses in UWB Single Anchor Localization" in International Conference on Localization and GNSS, 2019.

2019

S. O. Schmidt, M. Cimdins and H. Hellbrück, "On the Effective Length of Channel Impulse Responses in UWB Single Anchor Localization" in International Conference on Localization and GNSS, 2019.

2019

C. Trejo, M. Cimdins and H. Hellbrück, Phase Error Correction for IEEE 802.11 Channel State Information, 2019.

2019

M. Cimdins, W. Arlt and H. Hellbrück, "IoTiSS: Internet of Things in Smart Streetlighting", ITG-Fachbericht-Mobilkommunikation, 2019. VDE VERLAG GmbH.

2018

2018

S. Leugner and H. Hellbrück, "Listen and Talk in IEEE} {802.15.4 with Dual Radio" in 2018 Advances in Wireless and Optical Communications (RTUWO) (RTUWO'18), 2018.

2018

H. Hellbrück, T. Teubler and G. Ardelt, "Autonome Unterwasserfahrzeuge und Kommunikationssysteme" in MST 2018 - Multisensortechnologie: Low-Cost Sensoren im Verbund, Deutsche Hydrographische Gesellschaft, 2018.
ISBN:978-3-95786-170-2
Datei:http://geodaesie.info/sr/mst-2018-multisensortechnologie-low-cost-sensoren-im-verbund/7659/1951

2018

M. Pelka, M. Cimdins and H. Hellbrück, "Impact of the antenna orientation for distance estimation" , Braunschweig, 2018.
DOI:10.24355/dbbs.084-201807191323-0
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065896

2018

M. Pelka, M. Cimdins and H. Hellbrück, "Impact of the antenna orientation for distance estimation" , Braunschweig, 2018.
DOI:10.24355/dbbs.084-201807191323-0
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065896

2018

H. Hellbrück and G. Ardelt, "Unterwasserkommunikation, Systemvernetzung & autonome Kommunikation im Projekt BOSS" in Hydrographie 2018 - Trend zu unbemannten Messsystemen, Deutsche Hydrographische Gesellschaft, 2018.
ISBN:978-3-95786-165-8
Datei:http://geodaesie.info/sr/hydrographie-2018-trend-zu-unbemannten-messsystemen/7410/1951

2018

G. Ardelt, C. Külls and H. Hellbrück, "Towards Intrinsic Molecular Communication Using Isotopic Isomerism", Open Journal of Internet Of Things (OJIOT), vol. 4, no. 1, pp. 135--143, 2018. RonPub.
Datei:http://nbn-resolving.de/urn:nbn:de:101:1-2018080519312150952526

2018

G. Ardelt, C. Külls and H. Hellbrück, "Towards Intrinsic Molecular Communication Using Isotopic Isomerism", Open Journal of Internet Of Things (OJIOT), vol. 4, no. 1, pp. 135--143, 2018. RonPub.
Datei:http://nbn-resolving.de/urn:nbn:de:101:1-2018080519312150952526

2018

S. Leugner, M. Constapel and H. Hellbrück, "TriClock – Clock Synchronization compensating Drift, Offset and Propagation Delay" in IEEE International Conference on Communications, 2018.

2018

M. Cimdins, M. Pelka and H. Hellbrück, "Sundew: Design and Evaluation of a Model-based Device-free Localization System" in The Ninth International Conference on Indoor Positioning and Indoor Navigation (IPIN), Nantes, France, 2018.

2018

H. Hellbrück, T. Teubler and G. Ardelt, "Autonome Unterwasserfahrzeuge und Kommunikationssysteme" in MST 2018 - Multisensortechnologie: Low-Cost Sensoren im Verbund, Deutsche Hydrographische Gesellschaft, 2018.
ISBN:978-3-95786-170-2
Datei:http://geodaesie.info/sr/mst-2018-multisensortechnologie-low-cost-sensoren-im-verbund/7659/1951

2018

H. Hellbrück and G. Ardelt, "Unterwasserkommunikation, Systemvernetzung & autonome Kommunikation im Projekt BOSS" in Hydrographie 2018 - Trend zu unbemannten Messsystemen, Deutsche Hydrographische Gesellschaft, 2018.
ISBN:978-3-95786-165-8
Datei:http://geodaesie.info/sr/hydrographie-2018-trend-zu-unbemannten-messsystemen/7410/1951

2018

M. Pelka, M. Cimdins and H. Hellbrück, "RF-Based Safety-Critical Hybrid Localization" in The Ninth International Conference on Indoor Positioning and Indoor Navigation (IPIN), Nantes, France, 2018.

2018

M. Cimdins and H. Hellbrück, "Comparison of Antenna Types and Frequency Bands for Radio-based Device-free Localization" , Braunschweig, 2018.
DOI:10.24355/dbbs.084-201807191244-0
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065893

2018

M. Cimdins and H. Hellbrück, "Proceedings of the 3rd KuVS/GI Expert Talk on Localization" , Braunschweig, 2018.
DOI:10.24355/dbbs.084-201807191218-1
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065890

2018

F. KÜhn, H. Hellbrück and S. Fischer, "A Model-based Approach for Self-healing IoT Systems" in Proceedings of the 7th International Conference on Sensor Networks (SENSORNETS), 2018.

2018

M. Pelka, M. Constapel, D. T. Le Anh and H. Hellbrück, "A new localization algorithm based on neural networks", Proceedings of the 3rd KuVS/GI Expert Talk on Localization, pp. 33--35, 2018.
DOI:10.24355/dbbs.084-201807191240-0
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065892

2018

M. Cimdins and H. Hellbrück, "Comparison of Antenna Types and Frequency Bands for Radio-based Device-free Localization" , Braunschweig, 2018.
DOI:10.24355/dbbs.084-201807191244-0
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065893

2018

M. Pelka, M. Constapel, D. T. Le Anh and H. Hellbrück, "A new localization algorithm based on neural networks", Proceedings of the 3rd KuVS/GI Expert Talk on Localization, pp. 33--35, 2018.
DOI:10.24355/dbbs.084-201807191240-0
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065892

2018

M. Constapel, L. Krüger, S. Leugner, Z. Vatandas, K. Kuladinithi, A. Timm-Giel and H. Hellbrück, "Drahtlose Robuste Adaptive Industrielle Systeme", ITG-Fachbericht-Mobilkommunikation, 2018. VDE VERLAG GmbH.

2018

S. Leugner and H. Hellbrück, "Lessons learned: Indoor Ultra-Wideband localization systems for an industrial IoT application" , Braunschweig, 2018.
DOI:10.24355/dbbs.084-201807191244-0
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065900

2018

M. Pelka, P. Bartmann, S. Leugner and H. Hellbrück, "Minimizing Indoor Localization Errors for Non-Line-of-Sight Propagation" in International Conference on Localization and GNSS, 2018.

2018

M. Pelka, P. Bartmann, S. Leugner and H. Hellbrück, "Minimizing Indoor Localization Errors for Non-Line-of-Sight Propagation" in International Conference on Localization and GNSS, 2018.

2018

M. Cimdins and H. Hellbrück, "Proceedings of the 3rd KuVS/GI Expert Talk on Localization" , Braunschweig, 2018.
DOI:10.24355/dbbs.084-201807191218-1
Datei:https://www.publikationsserver.tu-braunschweig.de/receive/dbbs_mods_00065890

2017

2017

T. Kirchmann, M. Pelka and H. Hellbr\"uck, Evaluation of Bluetooth Positioning for Medical Device Tracking, 2017.

2017

G. Ardelt, M. Mackenberg and H. Hellbr\"uck, "Wireless Underwater Communication via Analog OFDM Modulated Light" in Proceedings of the International Conference on Underwater Networks & Systems, New York, NY, USA: ACM, 2017, pp. 18:1--18:3.
DOI:10.1145/3148675.3148722
ISBN:978-1-4503-5561-2
Datei:http://doi.acm.org/10.1145/3148675.3148722

2017

G. Ardelt, M. Mackenberg and H. Hellbr\"uck, "Wireless Underwater Communication via Analog OFDM Modulated Light" in Proceedings of the International Conference on Underwater Networks & Systems, New York, NY, USA: ACM, 2017, pp. 18:1--18:3.
DOI:10.1145/3148675.3148722
ISBN:978-1-4503-5561-2
Datei:http://doi.acm.org/10.1145/3148675.3148722

2017

G. Goronzy and H. Hellbrück, "Weighted Online Calibration for Odometry of Mobile Robots" in IEEE ICC Workshop on Advances in Network Localization and Navigation (ANLN), Paris, France, 2017.

2017

H. Hellbrück and M. Pelka, S-TDoA (Sequential Time Difference of Arrival)-Verfahren zur Positionsermittlung von bewegbaren Objekten durch sequentielle Ankunftszeitdifferenzbestimmung von periodischen Signalen, 2017.

2017

T. Teubler and H. Hellbrück, "Name-Centric Services for the Internet of Things" in 3rd International Conference on Networked Systems (NetSys), 2017, pp. 1--2.

2017

T. Teubler, D. Pfisterer and H. Hellbrück, "Memory Efficient Forwarding Information Base for Content-Centric Networking", International Journal of Computer Networks & Communications (IJCNC), vol. 9, no. 3, pp. 67--85, 2017.
Datei:pdfhttp://aircconline.com/ijcnc/V9N3/9317cnc05.pdf

2017

T. Kirchmann, M. Pelka and H. Hellbr\"uck, Evaluation of Bluetooth Positioning for Medical Device Tracking, 2017.

2017

H. Hellbrück and M. Pelka, S-TDoA (Sequential Time Difference of Arrival)-Verfahren zur Positionsermittlung von bewegbaren Objekten durch sequentielle Ankunftszeitdifferenzbestimmung von periodischen Signalen, 2017.

2017

S. Leugner, L. KrÜger, A. Timm-Giel and H. Hellbrück, "DRAISE - Drahtlose, Roboste Adaptive, Industrielle Systeme" in Zukunft der Netze 2017, Postersession, Lübeck, 2017.

2017

M. Pelka, S. Leugner, M. Cimdins, H. Schwegmann and H. Hellbrück, "UWB-based Single Reference Point Positioning System", ITG-Fachbericht-Mobilkommunikation, 2017. VDE VERLAG GmbH.

2017

M. Pelka, M. Mackenberg, C. Funda and H. Hellbrück, "Optical Underwater Distance Estimation" in Oceans MTS/IEEE, 2017.

2017

M. Pelka, M. Mackenberg, C. Funda and H. Hellbrück, "Optical Underwater Distance Estimation" in Oceans MTS/IEEE, 2017.

2017

M. Cimdins and H. Hellbrück, "Modeling Received Signal Strength and Multipath Propagation Effects of Moving Persons" in 14th Workshop on Positioning, Navigation and Communication, 2017.

2017

M. Cimdins and H. Hellbrück, "Modeling Received Signal Strength and Multipath Propagation Effects of Moving Persons" in 14th Workshop on Positioning, Navigation and Communication, 2017.

2017

M. Pelka, D. Amann, M. Cimdins and H. Hellbrück, "Evaluation of time-based ranging methods: Does the choice matter?" in 14th Workshop on Positioning, Navigation and Communication, 2017.

2017

M. Pelka, D. Amann, M. Cimdins and H. Hellbrück, "Evaluation of time-based ranging methods: Does the choice matter?" in 14th Workshop on Positioning, Navigation and Communication, 2017.

2017

M. Pelka, S. Leugner, M. Cimdins, H. Schwegmann and H. Hellbrück, "UWB-based Single Reference Point Positioning System", ITG-Fachbericht-Mobilkommunikation, 2017. VDE VERLAG GmbH.

2016

2016

T. Teubler and H. Hellbrück, "Architecture and Message Processing for Name-Centric Services in Wireless Sensor Networks" in 2016 Advances in Wireless and Optical Communications (RTUWO) (RTUWO2016), Riga, Latvia, 2016.

2016

T. Akram, T. Esemann and H. Hellbrück, "Cooperative Sensing Protocols and Evaluation via IEEE 802.15.4 Devices", Special Issue of Self Optimized Radio Technologies (Journal of Physical Communication), vol. 19, no. C, pp. 93--105, 2016. Elsevier Science Publishers B. V..
DOI:10.1016/j.phycom.2016.01.001
Datei:http://dx.doi.org/10.1016/j.phycom.2016.01.001

2016

S. Leugner, M. Pelka and H. Hellbrück, "Comparison of wired and wireless synchronization with clock drift compensation suited for U-TDoA localization" in 13th Workshop on Positioning, Navigation and Communication, 2016.

2016

M. Pelka and H. Hellbrück, "Survey of challenges and towards a unified architecture for location systems ", Journal of Network and Computer Applications , vol. 67, pp. 75 - 85, 2016.
DOI:http://dx.doi.org/10.1016/j.jnca.2016.02.009
Datei:http://www.sciencedirect.com/science/article/pii/S1084804516000928

2016

G. Ardelt, M. Mackenberg, J. Markmann, T. Esemann and H. Hellbrück, "A Flexible and Modular Platform for Development of Short-range Underwater Communication" in Proceedings of the 11th ACM International Conference on Underwater Networks & Systems, New York, NY, USA: ACM, 2016, pp. 35:1--35:8.
DOI:10.1145/2999504.3001067
ISBN:978-1-4503-4637-5
Datei:http://doi.acm.org/10.1145/2999504.3001067

2016

T. Teubler, M. Anschütz and H. Hellbrück, "Testbed for Development of Networked Autonomous Underwater Vehicles" in Oceans'16 MTS/IEEE Shanghai, 2016.

2016

T. Teubler, M. Anschütz and H. Hellbrück, "Testbed for Development of Networked Autonomous Underwater Vehicles" in Oceans'16 MTS/IEEE Shanghai, 2016.

2016

M. Sion, T. Teubler and H. Hellbrück, "Embedded Multibeam Sonar Feature Extraction for Online AUV Control" in Oceans'16 MTS/IEEE Shanghai, 2016.

2016

T. Teubler and H. Hellbrück, "Design of Expert Systems for Autonomous Underwater Vehicle Control" in Oceans'16 MTS/IEEE Monterey, CA, USA, 2016.

2016

M. Pelka, G. Goronzy and H. Hellbrück, "Iterative approach for anchor configuration of positioning systems ", ICT Express , vol. 2, no. 1, pp. 1 - 4, 2016.
DOI:http://dx.doi.org/10.1016/j.icte.2016.02.009
Datei:http://www.sciencedirect.com/science/article/pii/S2405959515300837

2016

M. Pelka, G. Goronzy and H. Hellbrück, "Impact of Altitude Difference for Local Positioning Systems and Compensation with Two-Stage Filters" in 2016 International Conference on Localization and GNSS, 2016.

2016

M. Pelka and H. Hellbrück, "Introduction, Discussion and Evaluation of Recursive Bayesian Filters for Linear and Nonlinear Filtering Problems in Indoor Localization" in The Seventh International Conference on Indoor Positioning and Indoor Navigation, Madrid, Spain, 2016.

2016

M. Cimdins, M. Pelka and H. Hellbrück, "Investigation of Anomaly-based Passive Localization with Received Signal Strength for IEEE 802.15.4" in The Seventh International Conference on Indoor Positioning and Indoor Navigation, Madrid, Spain, 2016.

2016

M. Cimdins, M. Pelka and H. Hellbrück, "Investigation of Anomaly-based Passive Localization with IEEE 802.15.4" , 2016.
Datei:pdfhttp://aib.informatik.rwth-aachen.de/2015/2015-08.pdf

2016

M. Pelka, G. Goronzy, J. A. Bitsch Link, H. Hellbrück and K. Wehrle, "Proceedings of the 2nd KuVS Expert Talk on Localization" , Department of Computer Science of RWTH Aachen University, 2016.
Datei:pdfhttp://aib.informatik.rwth-aachen.de/2016/2016-05.pdf

2016

M. Mackenberg, K. Rackebrandt, C. Bollmeyer, P. Wegerich, H. Gehring and H. Hellbrück, "Reflection and transmission of ultra-wideband pulses for detection of vascular pressure variation and spatial resolution within soft tissues", Biomedical Physics & Engineering Express, vol. 2, no. 6, pp. 065003, 2016.
Datei:http://stacks.iop.org/2057-1976/2/i=6/a=065003

2016

M. Pelka and H. Hellbrück, "S-TDoA - Sequential Time Difference of Arrival - A Scalable and Synchronization Free Approach for Positioning" in IEEE Wireless Communications and Networking Conference, Doha, Qatar, 2016.

2016

M. Pelka and H. Hellbrück, "Survey of challenges and towards a unified architecture for location systems ", Journal of Network and Computer Applications , vol. 67, pp. 75 - 85, 2016.
DOI:http://dx.doi.org/10.1016/j.jnca.2016.02.009
Datei:http://www.sciencedirect.com/science/article/pii/S1084804516000928

2016

T. Teubler, M. Anschütz and H. Hellbrück, "Testbed for Development of Networked Autonomous Underwater Vehicles" in Oceans'16 MTS/IEEE Shanghai, 2016.

2016

M. Pelka and H. Hellbrück, "Survey of challenges and towards a unified architecture for location systems ", Journal of Network and Computer Applications , vol. 67, pp. 75 - 85, 2016.
DOI:http://dx.doi.org/10.1016/j.jnca.2016.02.009
Datei:http://www.sciencedirect.com/science/article/pii/S1084804516000928

2016

M. Pelka and H. Hellbrück, "S-TDoA - Sequential Time Difference of Arrival - AScalable and Synchronization Free Approach for Positioning" in IEEE Wireless Communications and Networking Conference, Doha, Qatar, 2016.

2016

M. Pelka and H. Hellbrück, "S-TDoA - Sequential Time Difference of Arrival - AScalable and Synchronization Free Approach for Positioning" in IEEE Wireless Communications and Networking Conference, Doha, Qatar, 2016.

2016

M. Pelka, G. Goronzy and H. Hellbrück, "Impact of Altitude Difference for Local Positioning Systems and Compensation with Two-Stage Filters" in 2016 International Conference on Localization and GNSS, 2016.

2016

M. Mackenberg, K. Rackebrandt, C. Bollmeyer, P. Wegerich, H. Gehring and H. Hellbrück, "Reflection and transmission of ultra-wideband pulses for detection of vascular pressure variation and spatial resolution within soft tissues", Biomedical Physics & Engineering Express, vol. 2, no. 6, pp. 065003, 2016.
Datei:http://stacks.iop.org/2057-1976/2/i=6/a=065003

2016

T. Teubler and H. Hellbrück, "Architecture and Message Processing for Name-Centric Services in Wireless Sensor Networks" in 2016 Advances in Wireless and Optical Communications (RTUWO) (RTUWO2016), Riga, Latvia, 2016.

2016

T. Teubler and H. Hellbrück, "Architecture and Message Processing for Name-Centric Services in Wireless Sensor Networks" in 2016 Advances in Wireless and Optical Communications (RTUWO) (RTUWO2016), Riga, Latvia, 2016.