Ralf Lehnert

Publication Activity (10 Years)

Years Active: 1980-2018
Publications (10 Years): 8

Top Topics

Bilateral Symmetry

Memetic Algorithm

Top Venues

Publications

Ievgenii Tsokalo, Frank Gabriel, Sreekrishna Pandi, Frank H. P. Fitzek, Ralf Lehnert
Reliable feedback mechanisms for routing protocols with network coding. ISPLC (2018)
Stanislav Mudriievskyi, Ralf Lehnert
Performance of adaptive layer switching in small G.hn PLC networks. SmartGridComm (2017)
Ievgenii Tsokalo, Gautham Prasad, Stanislav Mudriievskyi, Ralf Lehnert
CSMA/CD in PLC: Test with full G.hn and IP/UDP protocol stack. ISPLC (2017)
Norbert Graf, Ievgenii Tsokalo, Ralf Lehnert
Validating broadband PLC for smart grid applications with field trials. SmartGridComm (2017)
Stanislav Mudriievskyi, Ralf Lehnert
Adaptive Layer Switching for PLC networks with repeaters. ISPLC (2017)
Ievgenii Tsokalo, Ralf Lehnert, Frank H. P. Fitzek
Intraflow network coding on the data link layer for broadband PLC. ISPLC (2016)
Stanislav Mudriievskyi, Ralf Lehnert
Adaptive layer switching for smart grid applications in power line communications. ISPLC (2016)
Ralf Lehnert
CPT Symmetry and Its Violation. Symmetry 8 (11) (2016)
Ievgenii Tsokalo, Ralf Lehnert
Modeling approach of broadband in-home PLC in network simulator 3. ISPLC (2015)
Jorge Juan Robles, Jean-Marie Birkenmaier, Xiangyi Meng, Ralf Lehnert
Performance of POA-Based Sensor Nodes for Localization Purposes. ADHOC-NOW (2014)
Stefan Türk, Johannes Noack, Rico Radeke, Ralf Lehnert
Strategic migration optimization of urban access networks using meta-heuristics. International Teletraffic Congress (2014)
Jorge Juan Robles, Gregory Cardenas-Mansilla, Ralf Lehnert
Adaptive selection of Anchors in the Extended Kalman Filter tracking algorithm. WPNC (2014)
Volker Richter, Rico Radeke, Ralf Lehnert
QoS concept for IEEE 802.16-2012 based WiMAX networks. WiMob (2014)
Ievgenii Anatolijovuch Tsokalo, Stanislav Mudriievskyi, Ralf Lehnert
Development and Calibration of a PLC Simulation Model for UPA-Compliant Networks. EUNICE (2013)
Stefan Türk, Hao Liu, Rico Radeke, Ralf Lehnert
Improving network migration optimization utilizing memetic algorithms. GIIS (2013)
Stefan Türk, Xiaoyan Liu, Rico Radeke, Ralf Lehnert
Particle Swarm Optimization of network migration planning. GLOBECOM (2013)
Stefan Türk, Ying Liu, Rico Radeke, Ralf Lehnert
Network Migration Optimization Using Genetic Algorithms. EUNICE (2012)
Jorge Juan Robles, Javier Supervia Pola, Ralf Lehnert
Extended Min-Max algorithm for position estimation in sensor networks. WPNC (2012)
Volker Richter, Rico Radeke, Ralf Lehnert
A Two Layer Guaranteed and Sustained Rate Based Scheduler for IEEE 802.16-2009 Based WiMAX Networks. EUNICE (2012)
Jorge Juan Robles, Enrique Gago Muñoz, Laura de la Cuesta, Ralf Lehnert
Performance evaluation of an indoor localization protocol in a 802.15.4 sensor network. IPIN (2012)
Jorge Juan Robles, Sebastian Tromer, Jorge Perez Hidalgo, Ralf Lehnert
A high configurable protocol for indoor localization systems. IPIN (2011)
Stanislav Mudriievskyi, Ievgenii Tsokalo, Abdelfatteh Haidine, Bamidele Adebisi, Ralf Lehnert
Performance evaluation of MAC backoff algorithm in Narrowband PLC. SmartGridComm (2011)
Rico Radeke, Stefan Türk, Ralf Lehnert
Optimization of 2d virtual node coordinates in anchor-free localization algorithms for geographic routing in ad-hoc networks. ICT (2011)
Stefan Türk, Rico Radeke, Ralf Lehnert
Network migration using ant colony optimization. CTTE (2010)
Abdelfatteh Haidine, Ralf Lehnert
The channel allocation problem in broadband power line communications access networks: analysis, modelling and solutions. Int. J. Auton. Adapt. Commun. Syst. 3 (4) (2010)
Jorge Juan Robles, Martin Deicke, Ralf Lehnert
3D fingerprint-based localization for wireless sensor networks. WPNC (2010)
Jorge Juan Robles, Sebastian Tromer, Monica Quiroga, Ralf Lehnert
Enabling low-power localization for mobile sensor nodes. IPIN (2010)
Abdelfatteh Haidine, Ralf Lehnert
Optimisation of base station location in broadband power line communications access networks. Int. J. Commun. Networks Distributed Syst. 5 (4) (2010)
Rong Zhao, Yi Zhang, Ralf Lehnert
Survivable topology design of hierarchical hybrid fibre-VDSL access networks using enhanced discrete binary PSO. Int. J. Auton. Adapt. Commun. Syst. 3 (4) (2010)
Jorge Juan Robles, Sebastian Tromer, Monica Quiroga, Ralf Lehnert
A Low-Power Scheme for Localization in Wireless Sensor Networks. EUNICE (2010)
Samer Sulaiman, Abdelfatteh Haidine, Ralf Lehnert, Stefan Türk
Comparative Study of Multicast Protection Algorithms Using Shared Links in 100GET Transport Network. EUNICE (2009)
Samer Sulaiman, Abdelfatteh Haidine, Ralf Lehnert
Performance evaluation of center search algorithms used for dynamic rendezvous-point relocation. ICUMT (2009)
Qin Dai, Le Phu Do, Samer Sulaiman, Ralf Lehnert
An Adaptive Packet Dropping Algorithm for Improved VoIP Quality at ADSL-Subscribers. ICC (2008)
Abdelfatteh Haidine, Ralf Lehnert
Modeling of Channel Allocation in Broadband Powerline Communications Access Networks as a Multi-Criteria Optimization Problem. AccessNets (2008)
Rong Zhao, Yi Zhang, Ralf Lehnert
Topology Design of Hierarchical Hybrid Fiber-VDSL Access Networks with Enhanced Discrete Binary PSO. AccessNets (2008)
Abdelfatteh Haidine, Ralf Lehnert
Placement of Base Stations in Broadband Power Line Communications Access Networks by Means of Multi-criteria Optimization. AccessNets (2008)
Rong Zhao, Hanjie Liu, Ralf Lehnert
Topology Design of Hierarchical Hybrid Fiber-VDSL Access Networks with ACO. AICT (2008)
Abdelfatteh Haidine, Ralf Lehnert
Hybridizing the Pareto Multi-Objective Optimization Evolutionary Algorithms by Means of Multi-Objective Local Search. HIS (2008)
Qin Dai, Matthias Baumann, Ralf Lehnert
Improvement of VoIP Quality by Packet Dropping in ADSL Routers. SIGMAP (2007)
Abdelfatteh Haidine, Ralf Lehnert
Solving the generalized base station placement problem in the planning of Broadband Power Line Communications access networks. AccessNets (2007)
Rong Zhao, Sebastian Goetze, Ralf Lehnert
A visual planning tool for hybrid fibre VDSL access networks with heuristic algorithms. DRCN (2005)
Paul J. Kühn, Ralf Lehnert, Michal Pióro, Józef Wozniak, Ulrich Killat
Special issue on the 2nd PGTS 2002. Eur. Trans. Telecommun. 16 (3) (2005)
Jörg Schüler, Rico Radeke, Ralf Lehnert
On TCP Spurious Retransmission Timeout Probabilities for Independent Round Trip Times. MMB (2004)
H. Hrasnica, T. Müller, Ralf Lehnert
Simulation Study of WWW Traffic over a DQDB Network. MMB (Kurzvorträge) (1999)
Jürgen Deissner, Gerhard P. Fettweis, Jörg Fischer, Dietrich Hunold, Jens Voigt, Ralf Lehnert, Mathias Schweigel, Jörg Wagner
A Development Platform for the Design and Optimization of Mobile Radio Networks. MMB (Kurzvorträge) (1999)
John Paul Cosmas, Guido H. Petit, Ralf Lehnert, Chris Blondia, Kimon Kontovassilis, Olga Casals, Thomas Theimer
A review of voice, data and video traffic models for ATM. Eur. Trans. Telecommun. 5 (2) (1994)
Paul J. Kühn, Ralf Lehnert, Giorgio Gallassi
Guest editorial. Eur. Trans. Telecommun. 5 (2) (1994)
Jordi Domingo, Herman Michiel, Reinhard Habermann, Matthias Sommer, Nikolas Mitrou, Yonggang Du, Martina Götz, Ralf Lehnert, Zhili Sun, John Paul Cosmas, Thomas Renger, Thomas Theimer
Switching block studies, network performance evaluation and traffic engineering for ATM. Eur. Trans. Telecommun. 5 (2) (1994)
Hanno Jüchter, Ralf Lehnert
NETCON - An Integrated Tool for Planning and Configuration of Packet Switching Networks. ICCC (1986)
Ralf Lehnert
Ein Spezialprozessor zur schnellen Simulation von Zufallsnetzwerken. Elektron. Rechenanlagen 22 (2) (1980)