Christian A. Hofmann

发表

Ultranarrowband Waveform for IoT Direct Random Multiple Access to GEO Satellites

Andreas Knopp, Christian A. Hofmann, 2019, IEEE Internet of Things Journal.

Impact of the Atmosphere on the Signal Phase and the Channel Capacity in EHF MIMO Satellite Links

Andreas Knopp, Christian A. Hofmann, Kai-Uwe Storek, 2014, 2015 IEEE Global Communications Conference (GLOBECOM).

Satellite System Design Examples for Maximum MIMO Spectral Efficiency in LOS Channels

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2008, IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference.

Extension of Indoor SISO Propagation Models for Correlated MIMO Channels - An Exemplification Applying Saleh's Model

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2007, 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications.

Measurement Results for the Comparison of Multiple and Single Polarized MIMO Channels in LOS, NLOS, Indoor and Outdoor Scenarios

Berthold Lankl, Christian A. Hofmann, Dirk Ogermann, 2013, WSA.

Indoor LOS MIMO Channel Measurements with a Focus on Antenna Array Design

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2010, 2010 IEEE Global Telecommunications Conference GLOBECOM 2010.

Deficiencies of common MIMO channel models with regard to indoor Line-of-Sight channels

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2008, 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications.

Multisatellite UHF MIMO Channel Measurements

Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, 2017, IEEE Antennas and Wireless Propagation Letters.

Antenna diversity techniques for enhanced jamming resistance in multi-beam satellites

Andreas Knopp, Christian A. Hofmann, Stephan P. Winter, 2016, MILCOM 2016 - 2016 IEEE Military Communications Conference.

SOTM Measurements for the Characterization of the Wideband Mobile Satellite Channel at Ku-Band

Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, 2015 .

Performance analysis of diversity techniques for secure SATCOM-on-the-move systems

Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, 2015, MILCOM 2015 - 2015 IEEE Military Communications Conference.

Optimum-capacity MIMO satellite link for fixed and mobile services

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2008, 2008 International ITG Workshop on Smart Antennas.

Results of a MIMO Testbed with Geosynchronous Ku-Band Satellites

Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, 2016, WSA.

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

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2010, Wirel. Pers. Commun..

Measurement and modeling of the UHF satellite channel for animal tracking systems

Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, 2015, 2015 IEEE International Conference on Communications (ICC).

SatCom 2025 – The near future of satellite communications in Germany

Andreas Knopp, Christian A. Hofmann, Herbert Schuff, 2018 .

Spatial MIMO over satellite: A proof of concept

Andreas Knopp, Christian A. Hofmann, Robert T. Schwarz, 2016, 2016 IEEE International Conference on Communications (ICC).

Impact of the Atmosphere on the Signal Phase and the Channel Capacity in EHF MIMO Satellite Links

Andreas Knopp, Christian A. Hofmann, Kai-Uwe Storek, 2014, GLOBECOM 2014.

Tracking of Remote IoT Devices by Satellite Assisted Geolocation

Andreas Knopp, Christian A. Hofmann, 2020, ICC 2020 - 2020 IEEE International Conference on Communications (ICC).

Amplify-and-forward relay stations in correlated line-of-sight indoor MIMO channels

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2009, 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications.

Direct Access to GEO Satellites: An Internet of Remote Things Technology

Andreas Knopp, Christian A. Hofmann, 2019, 2019 IEEE 2nd 5G World Forum (5GWF).

Interferometer for Measurements of the MIMO Satellite Channel at Ku-Band

Andreas Knopp, Christian A. Hofmann, Kai-Uwe Storek, 2015, 2015 IEEE 82nd Vehicular Technology Conference (VTC2015-Fall).

Satellite Downlink Jamming Propagation Measurements at Ku-Band

Andreas Knopp, Christian A. Hofmann, A. Knopp, 2018, MILCOM 2018 - 2018 IEEE Military Communications Conference (MILCOM).

The multiple-satellite MIMO channel of narrow band vehicular communications at UHF

Andreas Knopp, Florian Völk, Christian A. Hofmann, 2017, MILCOM 2017 - 2017 IEEE Military Communications Conference (MILCOM).

Joint MMSE precoder and equalizer for massive MIMO using 1-bit quantization

Josef A. Nossek, Andreas Knopp, Ovais Bin Usman, 2017, 2017 IEEE International Conference on Communications (ICC).

Exploiting Single SISO Impulse Responses to Predict the Capacity of Correlated MIMO Channels

Berthold Lankl, Andreas Knopp, Christian A. Hofmann, 2007, IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference.

Estimation of Noise Parameters in Multi-Antenna Receivers using Digitized Signal Samples

Josef A. Nossek, Berthold Lankl, Christian A. Hofmann, 2013, WSA.

Performance Optimization for Multi-Gateway NOMA-Beamforming in Multi-Beam SATCOM

Andreas Knopp, Christian A. Hofmann, Yazhou Zhu, 2021, ICC 2021 - IEEE International Conference on Communications.

Techno-Economic Design Aspects of Satellite Mega-Constellations for 6G Services

Andreas Knopp, Florian Völk, Christian A. Hofmann, 2021, 2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall).