Christian Hartmann

发表

Social Interaction, Constructivism and their Application within (CS)CL Theories

Nikol Rummel, Christian Hartmann, Jennifer Angersbach, 2015, CSCL.

GSM - Architecture, Protocols and Services

Christian Bettstetter, Christian Hartmann, Jrg Eberspcher, 2009 .

Medium Access in Spread-Spectrum Ad Hoc Networks with Multiuser Detection

Gerhard Bauch, Katsutoshi Kusume, Christian Hartmann, 2009, EURASIP J. Adv. Signal Process..

Wireless Networking: Adaptive and Distributed Resource Management

Christian Hartmann, 2015 .

Power control versus multiuser detection based cross-layer design in wireless ad hoc networks

Jörg Widmer, Katsutoshi Kusume, Christian Hartmann, 2010, 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.

Decentralized inter-cell interference coordination by autonomous spectral reuse decisions

Christian Hartmann, Lars Berlemann, Jan Ellenbeck, 2008, 2008 14th European Wireless Conference.

Supporting SMEs in the Lake Constance Region in the Implementation of Cyber-Physical-Systems: Framework and Demonstrator

Christian Hartmann, Martin Dobler, Jens Schumacher, 2020, 2020 IEEE International Conference on Engineering, Technology and Innovation (ICE/ITMC).

How does randomized beamforming improve the connectivity of ad hoc networks?

Christian Bettstetter, Clemens Moser, Christian Hartmann, 2005, IEEE International Conference on Communications, 2005. ICC 2005. 2005.

B: Aspects of Network Operation

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2001 .

Teaching heterogeneous computer architectures using smart camera systems

Marc Reichenbach, Dietmar Fey, Benjamin Pfundt, 2016, 2016 11th European Workshop on Microelectronics Education (EWME).

Inter GW Load Balancing for Next Generation Mobile Networks with Flat Architecture

Christian Hartmann, Egon Schulz, Jijun Luo, 2009, VTC Spring 2009 - IEEE 69th Vehicular Technology Conference.

A Concept for Efficient System-Level Simulations of OFDMA Systems with Proportional Fair Fast Scheduling

Christian Hartmann, Johannes Schmidt, Ulrike Korger, 2009, 2009 IEEE Globecom Workshops.

A Multiuser Detection Perspective on Medium Access Control in Ad Hoc Networks

Gerhard Bauch, Katsutoshi Kusume, Christian Hartmann, 2007, IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference.

GSM - Architecture, Protocols and Services (3. ed.)

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2009 .

User Evaluation on Loudness Harmonization on the Web

Christian Hartmann, Gerhard Spikofski, Peter Altendorf, 2012 .

Optimizing the Node Degree in Wireless Multihop Networks with Single-Lobe Beamforming

Christian Hartmann, Robert Vilzmann, Moritz Kiese, 2008 .

Autonomous beam coordination for the downlink of an IMT-Advanced cellular system

Christian Hartmann, Jan Ellenbeck, Mahmoud Hammoud, 2010, 2010 European Wireless Conference (EW).

Roaming and Handover

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2008 .

A Quality of Service (QoS) Resource Management Architecture for Wireless Mesh Networks

Christian Hartmann, Silke Meister, 2008 .

Connectivity of Wireless Multihop Networks in a Shadow Fading Environment

Christian Bettstetter, Christian Hartmann, 2005, Wirel. Networks.

Urgency based scheduling for user-individual QoS in cellular MIMO-systems

Christian Hartmann, Robert Vilzmann, 2004, ITG Workshop on Smart Antennas (IEEE Cat. No.04EX802).

A: Data Communication and Networking

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2008 .

A fair and Adaptive Contention Resolution Algorithm for time-slotted MAC protocol designs

Jörg Widmer, Katsutoshi Kusume, Christian Hartmann, 2010, 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.

The Mobile Radio Channel and the Cellular Principle

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2001 .

Estimating cancer survival and clinical outcome based on genetic tumor progression scores

Thomas Lengauer, Niko Beerenwinkel, Christian Hartmann, 2005, Bioinform..

CAC and blocking capacity of multi-service smart antenna CDMA systems with and without code re-use

Christian Hartmann, 2005, PCCC 2005. 24th IEEE International Performance, Computing, and Communications Conference, 2005..

IPAS: a design framework for analysis, synthesis and optimization of image processing applications for heterogenous computing architectures

Marc Reichenbach, Dietmar Fey, Christian Hartmann, 2016, Journal of Real-Time Image Processing.

General Packet Radio Service (GPRS)

Christian Bettstetter, Christian Hartmann, 2003 .

On the uplink SIR of a mobile in soft handoff with applications to BLER estimation

Christian Hartmann, Sayandev Mukherjee, Dan Avidor, 2005, IEEE Transactions on Wireless Communications.

Connectivity of Wireless Multihop Networks in a Shadow Fading Environment

Christian Bettstetter, Christian Hartmann, C. Bettstetter, 2003, MSWIM '03.

An extended analysis of memory hierarchies for efficient implementations of image processing applications

Dietmar Fey, Christian Hartmann, 2017, Journal of Real-Time Image Processing.

Quality of service implications of power control and multiuser detection-based cross-layer design

Jörg Widmer, Katsutoshi Kusume, Christian Hartmann, 2011, EURASIP J. Wirel. Commun. Netw..

A Hybrid Simulation Environment to Estimate the Accuracy, Energy Consumption and Processing Time for Image Processing Applications

Dietmar Fey, Christian Hartmann, 2017 .

To transfer or not to transfer – Service handovers in wireless LAN systems with imperfect movement estimation

Christian Hartmann, Peter Tabery, 2006 .

Optimality Criteria for the Connectivity of Adhoc Networks with Beamforming Antennas

Christian Hartmann, Julian Lamberty, Moritz Kiese, 2009 .

BeamMAC: A new paradigm for medium access in wireless networks

Christian Bettstetter, Christian Hartmann, Robert Vilzmann, 2006 .

Teletraffic Analysis of SDMA-Systems with Inhomogeneous MS Location Distribution and Mobility

Christian Hartmann, Hans-Jörg Vögel, 1999, Wirel. Pers. Commun..

Air Interface – Physical Layer

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2001 .

Modeling and performance analysis of multi-service wireless CDMA cellular networks using smart antennas

Christian Hartmann, Nidal Nasser, 2009 .

An Integrated SiGe HBT Pulselength Modulator for Class-S Power Amplifiers in the UHF Range

Matthias A. Hein, Christian Hartmann, Kurt Blau, 2011, IEEE Transactions on Circuits and Systems I: Regular Papers.

Intra-Operator Inter-Mode Spectrum Sharing

Christian Hartmann, Egon Schulz, Jijun Luo, 2009, VTC Spring 2009 - IEEE 69th Vehicular Technology Conference.

System Architecture and Addressing

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2001 .

A Virtual Acoustic Environment for Automated Parameter Optimization of a Multichannel Downmix Algorithm

Robert Mores, Christian Hartmann, Fabian Knappe, 2014 .

Fast and Resource Aware Image Processing Operators Utilizing Highly Configurable IP Blocks

Marc Reichenbach, Dietmar Fey, Christian Hartmann, 2016, ARC.

Quality of Service Oriented Analysis of Cross-Layer Design in Wireless Ad Hoc Networks

Jörg Widmer, Katsutoshi Kusume, Christian Hartmann, 2010, MACOM.

Improved Data Services in GSM: GPRS, HSCSD and EDGE

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2008 .

D: List of Acronyms

Christian Hartmann, Jörg Eberspächer, Hans-Jörg Vögel, 2008 .

GSM Digital Cellular Communication System

Christian Bettstetter, Christian Hartmann, 2003 .

On Connectivity Limits in Ad Hoc Networks with Beamforming Antennas

Christian Hartmann, Robert Vilzmann, Julian Lamberty, 2009, EURASIP J. Wirel. Commun. Netw..

C: GSM Addresses

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2008 .

Dynamic inter-operator spectrum sharing for UMTS FDD with displaced cellular networks

Christian Hartmann, Markus Dillinger, Jijun Luo, 2005, IEEE Wireless Communications and Networking Conference, 2005.

A Realistic Beamforming Model for ns-2

Christian Hartmann, Silke Meister, 2010, 2010 Third International Conference on Advances in Mesh Networks.

Beyond GSM and UMTS: 4G

Christian Bettstetter, Christian Hartmann, Jörg Eberspächer, 2008 .

Hop distances and flooding in wireless multihop networks with randomized beamforming

Daniel Medina, Christian Bettstetter, Christian Hartmann, 2005, MSWiM '05.

Beamforming for heterogeneously equipped nodes in wireless ad hoc networks

Jörg Widmer, Katsutoshi Kusume, Christian Hartmann, 2010, 2010 IFIP Wireless Days.

A Holistic Approach for Modeling and Synthesis of Image Processing Applications for Heterogeneous Computing Architectures pdf

Reinhard German, Marc Reichenbach, Dietmar Fey, 2015, ArXiv.

Guest Editorial

Christian Hartmann, Jörg Eberspächer, C. Hartmann, 2004, Eur. Trans. Telecommun..

A process for the conversion of at least a first security configuration file

Christian Hartmann, Giulio Milighetti, Uwe Bonin, 2015 .

Examining Positive and Negative Interdependence in an Elementary School CSCL Setting

Vincent Aleven, Nikol Rummel, Christian Hartmann, 2017, CSCL.

Channel allocation and handover for the HSCSD service in SDMA systems

Christian Hartmann, 2004, 2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754).

An approach for interoperator spectrum sharing for 3G systems and beyond

Christian Hartmann, Markus Dillinger, Jijun Luo, 2004, 2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754).

Dynamic Inter-operator Spectrum Sharing with Independent Radio Networks

Christian Hartmann, Markus Dillinger, Jijun Luo, 2005 .

Pulse-length modulator for analogue-to-digital conversion of radio frequency signals

Christian Hartmann, Kurt Blau, Matthias Hein, 2006 .

Wireless Multi-hop Networks : Classification , Paradigms and Constraints

Christian Hartmann, Jörg Eberspächer, Robert Vilzmann, 2007 .

Wireless Access with Smart Antennas and SDMA

Christian Hartmann, 1999 .

Dynamic Channel Allocation in Cellular Mobile Communication Systems with SDMA

Christian Hartmann, 1999 .