The Mobile Radiocommunications Laboratory is part of the Department of Electrical & Computer Engineering of the National Technical University of Athens. It has great and valuable experience in the areas of mobile radiocommunications, cellular radio design, and satellite communications.

Channel modelling, interference detection and identification, measurements of the radiation intensity in residential areas, interference study and measurements for Telecommunications systems, radiocoverage study and measurements for wireless Telecommunications systems, electromagnetic background (Non-Ionizing Radiation Hazard) study and measurements, are some of the Lab activities.

Skills & Scientific Expertise

Adaptive transceiver design and channel modeling:

• Advanced algorithms and signal processing for dynamic channel modeling for terrestrial and satellite channels
• Adaptive fade mitigation techniques and theoretical design of radio network controllers including MIMO transceivers

Multi-user system design:

• Cooperative satellite and terrestrial networks
• Route diversity protocols
• MU-MIMO capacity evaluation
• Throughput and goodput calculations

Radio planning:

• Static and long term design (radio planning and dimensioning) of mobile, wireless and satellite networks
• Cross-layer algorithms taking into account specific propagation phenomena and dynamic properties of the wireless channel
• Interference avoidance and mitigation techniques
• Synergy of satellite and terrestrial wired and wireless networks
• Quality of Service modeling and measurements

Propagation modeling:

• Electromagnetic theoretical calculations
• Leaders in Propagation Work Package

Experimental contributions/Simulation:

• Numerical calculations, MATLAB, C/C++, ns2 simulations
• Support to experimental campaigns
• Real-life electromagnetic field measurements and validation of the theoretical
• Measurement capabilities, as concern the antennas include: active antenna at 100KHz-1MHz, Dipoles at 80MHz-400MHz, directional antennas at VHF-UHF, log-periodic antennas at 1GHz-7.5GHz, dipoles at 1GHz-18GHz, microwave parabolic antenna at 1GHz-26.5GHz, Microstrip antennas in ISM band.
• Frequency range of measurement capabilities: 20MHz-26.5GHz, with storage capabilities of the measured data in form of spectrum versus power, time versus power.
• Five spectrum analyzers in the range of 20MHz to 26.5GHz.

Electromagnetic Compatibility measurements, G TEM CELL

• Ultra-Wideband Communications (Propagation channel, Interference analysis)
• OFDM systems’ performance evaluation, Channel Estimation for OFDM systems.
• Adaptive Arrays and Digital Beamforming systems, Wideband Smart Antennas, Spatial Filtering and Adaptive Algorithms
• Software Radio Techniques
• Radio Resource Management for mobile networks.
• Novel approaches of Direction of Arrival Algorithms (Genetic Algorithms, Neural Networks)
• Integrated environment's control system for quadriplegic persons