Christian A. Hofmann

Publication Activity (10 Years)

Years Active: 2007-2024
Publications (10 Years): 19

Top Topics

Orbit Determination

Uniform Quantization

Author Biography

Top Venues

IEEE Internet Things J.

Publications

Ali Eltohamy, Christian A. Hofmann, Andreas Knopp, Matthias Korb
Turbo Receiver for Short-Block-Length Polar-Coded Direct-Access Satellite-IoT Systems. MeditCom (2024)
Kevin T. Li, Christian A. Hofmann, Harald Reder, Andreas Knopp
A Techno-Economic Assessment and Tradespace Exploration of Low Earth Orbit Mega-Constellations. IEEE Commun. Mag. 61 (2) (2023)
Daniel Weinzierl, Christian A. Hofmann, Andreas Knopp
Blind Geolocation of RF-Signals with LEO Satellite Formations. MILCOM (2023)
Yazhou Zhu, Christian A. Hofmann, Andreas Knopp
Machine Learning-based Flexible Payload Power Resource Allocation for Non-orthogonal SATCOM. GLOBECOM (2022)
Yazhou Zhu, Christian A. Hofmann, Andreas Knopp
Ka-Band LEO Satellite Internet of Things Channel Characterization: Survey and Measurement. ICC (2022)
Christian A. Hofmann, Andreas Knopp
Phase Noise Limits in Low-Rate Communication via Satellite. IEEE Internet Things J. 9 (16) (2022)
Yazhou Zhu, Christian A. Hofmann, Andreas Knopp
Distributed Resource Optimization for NOMA Transmission in Beamforming SATCOM. IEEE J. Sel. Areas Commun. 40 (4) (2022)
Yazhou Zhu, Christian A. Hofmann, Andreas Knopp
Performance Optimization for Multi-Gateway NOMA-Beamforming in Multi-Beam SATCOM. ICC (2021)
Christian A. Hofmann, Kai-Uwe Storek, Andreas Knopp
Impact of Phase Noise and Oscillator Stability on Ultra-Narrow-Band-IoT Waveforms for Satellite. ICC (2021)
Kevin T. Li, Christian A. Hofmann, Florian Völk, Andreas Knopp
Techno-Economic Design Aspects of Satellite Mega-Constellations for 6G Services. VTC Fall (2021)
Christian A. Hofmann, Andreas Knopp
Tracking of Remote IoT Devices by Satellite Assisted Geolocation. ICC (2020)
Christian A. Hofmann, Andreas Knopp
Ultranarrowband Waveform for IoT Direct Random Multiple Access to GEO Satellites. IEEE Internet Things J. 6 (6) (2019)
Christian A. Hofmann, Andreas Knopp
Direct Access to GEO Satellites: An Internet of Remote Things Technology. 5G World Forum (2019)
Christian A. Hofmann, Andreas Knopp
Satellite Downlink Jamming Propagation Measurements at Ku-Band. MILCOM (2018)
Robert T. Schwarz, Florian Völk, Andreas Knopp, Christian A. Hofmann, Kai-Uwe Storek
The multiple-satellite MIMO channel of narrow band vehicular communications at UHF. MILCOM (2017)
Ovais Bin Usman, Josef A. Nossek, Christian A. Hofmann, Andreas Knopp
Joint MMSE precoder and equalizer for massive MIMO using 1-bit quantization. ICC (2017)
Stephan P. Winter, Christian A. Hofmann, Andreas Knopp
Antenna diversity techniques for enhanced jamming resistance in multi-beam satellites. MILCOM (2016)
Christian A. Hofmann, Kai-Uwe Storek, Robert T. Schwarz, Andreas Knopp
Spatial MIMO over satellite: A proof of concept. ICC (2016)
Robert T. Schwarz, Christian A. Hofmann, Andreas Knopp
Results of a MIMO Testbed with Geosynchronous Ku-Band Satellites. WSA (2016)
Christian A. Hofmann, Robert T. Schwarz, Andreas Knopp
Measurement and modeling of the UHF satellite channel for animal tracking systems. ICC (2015)
Kai-Uwe Storek, Christian A. Hofmann, Andreas Knopp
Interferometer for Measurements of the MIMO Satellite Channel at Ku-Band. VTC Fall (2015)
Christian A. Hofmann, Robert T. Schwarz, Andreas Knopp
Performance analysis of diversity techniques for secure SATCOM-on-the-move systems. MILCOM (2015)
Kai-Uwe Storek, Christian A. Hofmann, Andreas Knopp
Impact of the Atmosphere on the Signal Phase and the Channel Capacity in EHF MIMO Satellite Links. GLOBECOM (2015)
Michel T. Ivrlac, Bernhard Lehmeyer, Josef A. Nossek, Christian A. Hofmann, Berthold Lankl
Estimation of Noise Parameters in Multi-Antenna Receivers using Digitized Signal Samples. WSA (2013)
Christian A. Hofmann, Dirk Ogermann, Berthold Lankl
Measurement Results for the Comparison of Multiple and Single Polarized MIMO Channels in LOS, NLOS, Indoor and Outdoor Scenarios. WSA (2013)
Christian A. Hofmann, Andreas Knopp, Berthold Lankl
Indoor LOS MIMO Channel Measurements with a Focus on Antenna Array Design. GLOBECOM (2010)
Andreas Knopp, Christian A. Hofmann, Mohamed Chouayakh, Berthold Lankl
Measurement Survey on the Antenna Configuration Impact on the Spectral Efficiency of MIMO Radio Channels: Analyzed with a Focus on Low-Mobility, Indoor Line-of-Sight Channels. Wirel. Pers. Commun. 52 (1) (2010)
Christian A. Hofmann, Andreas Knopp, Dirk Ogermann, Berthold Lankl
Amplify-and-forward relay stations in correlated line-of-sight indoor MIMO channels. PIMRC (2009)
Andreas Knopp, Robert T. Schwarz, Dirk Ogermann, Christian A. Hofmann, Berthold Lankl
Satellite System Design Examples for Maximum MIMO Spectral Efficiency in LOS Channels. GLOBECOM (2008)
Christian A. Hofmann, Andreas Knopp, Dirk Ogermann, Robert T. Schwarz, Berthold Lankl
Deficiencies of common MIMO channel models with regard to indoor Line-of-Sight channels. PIMRC (2008)
Robert T. Schwarz, Andreas Knopp, Dirk Ogermann, Christian A. Hofmann, Berthold Lankl
Optimum-capacity MIMO satellite link for fixed and mobile services. WSA (2008)
Andreas Knopp, Christian A. Hofmann, Mohamed Chouayakh, Berthold Lankl
Exploiting Single SISO Impulse Responses to Predict the Capacity of Correlated MIMO Channels. GLOBECOM (2007)
Andreas Knopp, Christian A. Hofmann, Mohamed Chouayakh, Berthold Lankl
Extension of Indoor SISO Propagation Models for Correlated MIMO Channels - An Exemplification Applying Saleh's Model. PIMRC (2007)
Andreas Knopp, Robert T. Schwarz, Christian A. Hofmann, Mohamed Chouayakh, Berthold Lankl
Measurements on the Impact of Sparse Multipath Components on the LOS MIMO Channel Capacity. ISWCS (2007)
Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, Mohamed Chouayakh, Berthold Lankl
Spatial Capacity Estimation for Correlated MIMO Channels Based on Measured SISO Data Records. ISWCS (2007)