Application of algorithms for DOA estimation and beamforming to infrared photodiode arrays. - Kay Iversen; Mike Wolf; Detlef Mämpel; H. Schubert; Christian Schmidt 001 (ICASSP, 1997)

Digital signal splitting among multiple DACs for analog bandwidth interleaving (ABI). - Christian Schmidt 001; Vicky H. Tanzil; Christoph Kottke; Ronald Freund; Volker Jungnickel (ICECS, 2016)

154.9 Gb/s OFDM transmission using IM-DD, electrical IQ-mixing and signal combining. - Christoph Kottke; Kai Habel; Christian Schmidt 001; Volker Jungnickel (OFC, 2016)

Behavioral Model for a High-Speed 2: 1 Analog Multiplexer. - Christian Schmidt 001; Patrick Zielonka; Volker Jungnickel; Ronald Freund; Tobias Tannert; Markus Grozing; Manfred Berroth; Friedel Gerfers (MWSCAS, 2018)

Bandwidth Enhancement for an Optical Access Link by using a Frequency Interleaved DAC. - Christian Schmidt 001; Christoph Kottke; Ronald Freund; Volker Jungnickel (OFC, 2018)

Bandwidth Extension Techniques for High-Speed Access Networks. - Christoph Kottke; Christian Schmidt 001; Ronald Freund; Volker Jungnickel (OFC, 2018)

Digital-to-Analog Converters Using Frequency Interleaving: Mathematical Framework and Experimental Verification. - Christian Schmidt 001; Christoph Kottke; Vicky H. Tanzil; Ronald Freund; Volker Jungnickel; Friedel Gerfers (Circuits Syst. Signal Process., 2018)

Demonstration of Optical Wireless Communications Using the Pulsed Modulation PHY in IEEE 802.15.13. - Malte Hinrichs; Christian Schmidt 001; Benjamin Poddig; Jonas Hilt; Peter Hellwig; Dominic Schulz; Kai Lennert Bober; Jonathan Schostak; Ronald Freund; Volker Jungnickel (ICTON, 2020)

Data Converter Interleaving: Current Trends and Future Perspectives. - Christian Schmidt 001; Hiroshi Yamazaki; Gregory Raybon; Peter Schvan; Erwan Pincemin; S. J. Ben Yoo; Daniel J. Blumenthal; Takayuki Mizuno; Robert Elschner (IEEE Commun. Mag., 2020)

Analog 2: 1 Multiplexer with over 110 GHz Bandwidth in SiGe BiCMOS Technology. - Tobias Tannert; Markus Grözing; Manfred Berroth; Christian Schmidt 001; Jung Han Choi; Christoph Caspar; Jonathan Schostak; Volker Jungnickel; Ronald Freund; Holger Rücker (BCICTS, 2021)

A Behavioral Model for High-Speed 4: 1 Analog Multiplexers, utilizing Stochastic Modelfitting. - Jonathan Andree; Giresse T. Belinga Tamokeu; Samuel Wazynski; Markus Grözing; Christian Schmidt 001; Markus Nölle; Volker Jungnickel; Georg Rademacher; Ronald Freund (ISCAS, 2025)