Design space exploration and hardware aspects of local positioning systems. - Ralf Eickhoff; Niko Joram; Jens Wagner; Axel Strobel; Frank Ellinger (WPNC, 2011)

FMCW system aspects for multipath environments. - Jens Wagner; Niko Joram; Axel Strobel; Ralf Eickhoff; Frank Ellinger (WPNC, 2011)

5.8 GHz demonstration system for evaluation of FMCW ranging. - Niko Joram; Jens Wagner; Axel Strobel; Frank Ellinger (WPNC, 2012)

An ad-hoc emergency network for crisis events. - Maurizio Casoni; Daniela Saladino; Alexandros Karagiannis; D. Komnakos; S. E. Sagkriotis; Jens Wagner; Niko Joram; Frank Ellinger (Future Network & Mobile Summit, 2013)

Design of a multi-band FMCW radar module. - Niko Joram; Belal Al-Qudsi; Jens Wagner; Axel Strobel; Frank Ellinger (WPNC, 2013)

Tunable interface for piezoelectric energy harvesting. - Alexander Richter; Axel Strobel; Niko Joram; Frank Ellinger; L. Gopfert; R. Marg (SSD, 2014)

Concurrent 2.4 and 5.8 GHz dual band power amplifier for FMCW radar systems. - Niko Joram; Robert Wolf; Bastian Lindner; Frank Ellinger (ISPACS, 2014)

Reconfigurable complex gm-c band-pass filter with high linearity for multi-standard radio receivers. - Bastian Lindner; Jens Wagner; Niko Joram; Uroschanit Yodprasit; Frank Ellinger (ISPACS, 2014)

A scalable synchronous reload technique for wide division range multi modulus dividers. - Mohammed El-Shennawy; Mohamed Eissa; Markus Schulz; Niko Joram; Frank Ellinger (ICECS, 2015)

Fundamental limitations of phase noise on FMCW radar precision. - Mohammed El-Shennawy; Belal Al-Qudsi; Niko Joram; Frank Ellinger (ICECS, 2016)

A coverage efficient FMCW positioning system. - Belal Al-Qudsi; Mohammed El-Shennawy; Niko Joram; Frank Ellinger (ICL-GNSS, 2016)

A hybrid localization framework supporting multiple standards and manifold post-processing. - Marco Gunia; Bo Zhang; Niko Joram; Frank Ellinger (ICL-GNSS, 2016)

Comparison of two-way ranging with FMCW and UWB radar systems. - Adrian Figueroa; Belal Al-Qudsi; Niko Joram; Frank Ellinger (WPNC, 2016)

Setting up an Ultra-Wideband positioning system using off-the-shelf components. - Marco Gunia; Florian Protze; Niko Joram; Frank Ellinger (WPNC, 2016)

A 6.5 to 15.1 GHz ultra-wideband SiGe LC VCO with 80 % continuous tuning range. - Tom Drechsel; Niko Joram; Frank Ellinger (ECCTD, 2017)

Multi-standard reconfigurable RF frontend for communication and local positioning. - Elena Sobotta; Niko Joram; Frank Ellinger (ECCTD, 2017)

A dual band FMCW radar receiver with integrated active balun and baseband AGC loop. - Mohammed El-Shennawy; Belal Al-Qudsi; Niko Joram; Frank Ellinger (ISCAS, 2017)

Setting up a phase-based positioning system using off-the-shelf components. - Marco Gunia; Adrian Zinke; Niko Joram; Frank Ellinger (WPNC, 2017)

Design of a ±0.15 dB accurate baseband detector for FMCW radars employing inherent PVT cancellation. - Mohammed El-Shennawy; Niko Joram; Frank Ellinger (IET Circuits Devices Syst., 2017)

1.5-54 GHz High Dynamic Range LNA and Mixer Combination for a MIMO Radar Application. - Mantas Sakalas; Niko Joram; Frank Ellinger (BCICTS, 2018)

A Precise and Accurate Indoor Localization System based on Sub-Harmonic FMCW Radar. - Naglaa El Agroudy; Mohammed El-Shennawy; Niko Joram; Sami Ur Rehman; Frank Ellinger (ICECS, 2018)

On the Precision of Common Individual or Hybrid Positioning Systems. - Marco Gunia; Yibo Lu; Niko Joram; Frank Ellinger (ICL-GNSS, 2019)

On the integration of a phase-based localization system into an FMCW-radar system: Challenges and lessons learnt. - Marco Gunia; Adrian Zinke; Niko Joram; Frank Ellinger (IPIN, 2019)

A 6-15 GHz ultra-wideband signal generator with 82 % continuous tuning range for FMCW radar. - Tom Drechsel; Niko Joram; Frank Ellinger (PRIME, 2019)

Design Approach for a Broadband Class-D Power Amplifier for Low Power Application in a 28 nm Digital CMOS Technology. - Mantas Sakalas; Jens Wagner; Niko Joram; Frank Ellinger (PRIME, 2019)

An ultra-wideband 6-14 GHz frequency modulated continuous wave primary radar with 3 cm range resolution. - Tom Drechsel; Niko Joram; Frank Ellinger (Integr., 2020)

Quantitative Comparison of Distance Estimation Performance between TLS-MP and iFFT Methods in IEEE 802.15.4a Channel Models Using PSFM Radar Technique. - Yan Wu; Niko Joram; Rainer T. Hach (IPIN, 2021)

Ultra Low Power < 9 nW Adaptive Duty Cycling Oscillator in 22 nm FDSOI CMOS Technology using Back Gate Biasing. - Bastian Lindner; Niko Joram; Frank Ellinger (LASCAS, 2021)

A 401-406 MHz Wireless Transceiver Analogue Front-End for Medical Implantable Applications. - Rui Ma; Naglaa El Agroudy; Maximilian Becker; Niko Joram; Frank Ellinger (NEWCAS, 2021)

A 60-GHz Receiver Frontend With Gain-Linearity Tuning for FMCW Radar Applications. - Hatem Ghaleb; Ali Ferschischi; Niko Joram; Frank Ellinger (RWS, 2021)

Network Synchronization Revisited: Time Delays in Mutually Coupled Oscillators. - Lucas Wetzel; Dimitrios A. Prousalis; Rabia Fatima Riaz; Christian Hoyer; Niko Joram; Johannes Fritzsche; Frank Ellinger; Frank Jülicher (IEEE Access, 2022)

Analysis and Design of a MuSiC-Based Angle of Arrival Positioning System. - Marco Gunia; Adrian Zinke; Niko Joram; Frank Ellinger (ACM Trans. Sens. Networks, 2023)

Critical Design Considerations on Continuous Frequency Modulation Localization Systems. - Belal Al-Qudsi; Mohammed El-Shennawy; Niko Joram; Marco Gunia; Frank Ellinger (IET Signal Process., 2024)