Unexpected Ferromagnetism in Alkaline-Earth Silicides (2009)
Cuervo-Reyes, Eduardo, Stalder, Elizabeth Diane, Mensing, Christian, Budnyk, Serhiy, Nesper, Reinhard
Ferromagnetism without transition metals has been the subject of intense debate. Here, we report measurements performed on high purity crystals of alkaline-earth silicides ({\AE}Si), where we found...
Interference-Aware Location Estimation in Cellular OFDM Communications Systems (2009)
Mensing, Christian, Sand, Stephan, Dammann, Armin, Utschick, Wolfgang
Communications and GNSS based Navigation: A Comparison of Current and Future Trends (2008)
Stephan S, Christian Mensing, Sireesha Ancha, Graham Bell
Abstract — This paper gives an overview on communications system based and global navigation satellite system (GNSS) based navigation. Starting from the physical layer model of a mobile...
Satellite-to-Indoor Broadband Channel Measurement Campaign at 1.51 GHz and 5.2 GHz (2008)
Jost, Thomas, Wang, Wei, Dammann, Armin, Schubert, Frank, Mensing, Christian, Fiebig, Uwe-Carsten, ...
The Global Positioning System (GPS) made outdoor localization broadly available and is commonly employed for automotive navigation for a large number of users. The future European Global Navigation...
Requirements and Algorithms for Cooperation of Heterogeneous Radio Access Networks (2008)
Mihovska, Albena, Tragos, Elias, Mino, Emilio, Luo, Jijun, Mensing, Christian, Fracchia, Roberta, ...
This paper defines the requirements for cooperation of heterogeneous radio access networks (RANs) and proposes a novel radio resource management (RRM) framework for support of mobility and quality of...
Hybrid Data Fusion and Cooperative Schemes for Wireless Positioning (2008)
Sand, Stephan, Mensing, Christian, Ma, Yi, Tafazolli, Rahim, Yin, Xuefeng, Figueiras, João, ...
Abstract—The Wireless Hybrid Enhanced Mobile Radio Estimators (WHERE) consortium researches radio positioning techniques to improve various aspects of communications systems. In order to provide...
Adaptive Bit Loading and Transmit Diversity for Iterative OFDM Receivers (2008)
Abstract — In this paper, we consider a transmission system employing orthogonal frequency division multiplexing (OFDM) with bit-interleaved coded modulation and perfect channel state information...
GREAT – Galileo Receivers for Mass Market (2008)
Sand, Stephan, Mensing, Christian, Groh, Ingmar, Hurskainen, Heikki, Nurmi, Jari, Detratti, Marco, ...
The Galileo Receivers for Mass Market (GREAT) project has achieved major blocks of demonstrable intellectual property including advanced algorithms for hybrid data fusion, multipath mitigation, and...
Adaptive Bit Loading for BICM-OFDM withSquare Lattice QAM Constellations (2008)
Sand, Stephan, Mensing, Christian, Mutti, Carlo, Wittneben, Armin
Mensing, Christian, Sand, Stephan
Objective of this paper is to analyze positioning performance in critical scenarios for global navigation satellite systems (GNSSs). For instance, in urban canyons GNSSs can fail due to too many...
Adaptive Bit Loading for BICM-OFDM with Square Lattice QAM Constellations (2008)
Sand, Stephan, Mensing, Christian, Mutti, Carlo, Wittneben, Armin
Cellular Systems for Positioning: Capabilities and Challenges (2008)
Mensing, Christian, Sand, Stephan, Dammann, Armin
The objective of this paper is to analyze positioning performance utilizing cellular mobile radio systems. In situations where classical satellite based global navigation satellite systems (GNSSs)...
Adaptive Bit Loading and Transmit Diversity for Iterative OFDM Receivers (2008)
Sand, Stephan, Mensing, Christian, Mutti, Carlo, Wittneben, Armin
Mensing, Christian, Dammann, Armin
Positioning in wireless networks will play a fundamental role in future communications systems where user- and system-side applications can benefit from the knowledge of the mobile station (MS)...
Location Determination Using In-Band Signaling for Mobility Management in Future Networks (2007)
Mensing, Christian, Tragos, Elias, Luo, Jijun, Mino, Emilio
This paper covers positioning techniques for future cellular networks using orthogonal frequency division multiplexing communications signals. These methods are based on symbol-timing synchronization...
Athanassiou, Evagelos K., Mensing, Christian, Stark, Wendelin J.
The preparation of carbon-coated copper nanoparticles with different carbon layers resulted in materials with a highly sensitive pressure and temperature dependent conductivity. The core/shell...
Communications and GNSS based Navigation: A Comparison of Current and Future Trends (2007)
Sand, Stephan, Mensing, Christian, Ancha, Sireesha, Bell, Graham
Policy-Based Mobility Management for Heterogeneous Networks (2007)
Mihovska, Albena, Luo, Jijun, Mino, Emilio, Tragos, Elias, Mensing, Christian, Guillaume, Vivier, ...
Next generation communications will be composed of flexible, scalable and context-aware, secure and resilient architectures and technologies that allow full mobility of the user and enable dynamic...
Positioning in Wireless Communication Systems: Introduction and Overview (2007)
Mensing, Christian, Sand, Stephan, Dammann, Armin
This paper gives an overview on communication system based and global navigation satellite system (GNSS) based navigation and summarizes the contributions of a special session on "Positioning in...
Performance Assessment of Hybrid Data Fusion and Tracking Algorithms (2007)
Sand, Stephan, Mensing, Christian, Laaraiedh, Mohamed, Uguen, Bernard, Denis, Benoît, Mayrargue, Sylvie, ...
This paper presents an overview on the performance of hybrid data fusion and tracking algorithms evaluated in the WHERE consortium. The focus is on small scale indoor scenarios with ultra wideband...
Performance Assessment of Hybrid Data Fusion and Tracking Algorithms (2007)
Sand, Stephan, Mensing, Christian, Laaraiedh, Mohamed, Uguen, Bernard, Denis, Benoît, Mayrargue, Sylvie, ...
This paper presents an overview on the performance of hybrid data fusion and tracking algorithms evaluated in the WHERE consortium. The focus is on small scale indoor scenarios with ultra wideband...
Positioning with Generalized Multi-Carrier Communications Signals (2007)
Mensing, Christian, Plass, Simon, Dammann, Armin
This paper covers positioning techniques for cellular networks using generalized multi-carrier communications signals. These techniques are based on symbol-timing synchronization algorithms to find...
Adaptive Bit Loading and Transmit Diversity for Iterative OFDM Receivers (2007)
Sand, Stephan, Mensing, Christian, Mutti, Carlo, Witteneben, Armin
Wang, Wei, Jost, Thomas, Mensing, Christian, Dammann, Armin, Fawaz, Kassem
The time based localization utilizing communication cellular networks has been exploited as a complementation to GNSS for critical scenarios, like indoor areas. By suitable Hybrid Data Fusion (HDF)...
Adaptive Bit Loading and Transmit Diversity for Iterative OFDM Receivers (2007)
Sand, Stephan, Mensing, Christian, Mutti, Carlo, Wittneben, Armin
ToA and TDoA Error Models for NLoS Propagation Based on Outdoor to Indoor Channel Measurement (2007)
Wang, Wei, Jost, Thomas, Mensing, Christian, Dammann, Armin
Time Based (TB) localization in terrestrial cellular mobile radio as a complementation to Global Navigation Satellite Systems (GNSSs) has gained plenty of focuses. Due to absence of the Line-of Sight...
Synchronization Algorithms for Positioning with OFDM Communications Signals (2007)
Mensing, Christian, Plass, Simon, Dammann, Armin
This paper covers positioning techniques for cellular networks using orthogonal frequency division multiplexing (OFDM) communications signals. These methods are based on symbol-timing synchronization...
Positioning Based on Factor Graphs (2007)
Mensing, Christian, Plass, Simon
This paper covers location determination in wireless cellular networks based on time difference of arrival (TDoA) measurements in a factor graphs framework. The resulting nonlinear estimation problem...
Positioning Based on Factor Graphs (2007)
Christian Mensing, Simon Plass
This paper covers location determination in wireless cellular networks based on time difference of arrival (TDoA) measurements in a factor graphs framework. The resulting nonlinear estimation problem...
Positioning Based on Factor Graphs (2007)
Christian Mensing, Simon Plass
This paper covers location determination in wireless cellular networks based on time difference of arrival (TDoA) measurements in a factor graphs framework. The resulting nonlinear estimation problem...
TDoA Positioning Based on Factor Graphs (2006)
Mensing, Christian, Plass, Simon
In this paper, we introduce a factor graph based positioning algorithm in wireless cellular networks using time difference of arrival (TDoA) measurements provided by the base stations. The...
Location Determination with Factor Graphs for TDoA (2006)
Mensing, Christian, Plass, Simon
This paper covers time difference of arrival (TDoA) based positioning in wireless cellular networks in a factor graphs framework. The occurring non-linear estimation problem of the localization...
Positioning Algorithms for Cellular Networks Using TDoA (2006)
Mensing, Christian, Plass, Simon
In this paper, we investigate the performance of positioning algorithms in wireless cellular networks based on time difference of arrival (TDoA) measurements provided by the base stations. The...