Applied electromagnetics, microwave ICs

Simultaneous electrical and thermal analysis of non-linear microwave ICs [3]. Development of a FDTD computer program

Ray tracing

Development and validation of ray tracing field prediction models; analysis of their sensitivity to inaccuracies in environment description [13, 22, 24, 31, 32, 34, 40]

Development of an advanced ray tracing model including diffuse scattering [37, 38, 43, 45, 49-52, 56, 57]

Urban radio propagation

Characterization of urban radio propagation [14, 15, 17, 28, 35, 46]

Indoor propagation

Characterization of indoor radio propagation [13, 20, 24, 25, 27]

Millimeter wave propagation

Study of millimeter wave propagation for high-speed indoor LANs. Wideband characterization of the mm-wave radio channel as a function of the directivity of the antennas and of the location of the radio ports [20, 25, 29, 30]

Space diversity

Evaluation of space and frequency diversity performance using a ray tracing tool [18,19, 26]

Mobile radio system simulation

Development of mobile radio systems simulators. In particular, development of a DECT (Digital Enhanced Cordless Telecommunications) realistic simulator and  evaluation of the impact of different propagation environments on system performance [21, 23]

CDMA systems

Code synchronization and performance of W-CDMA and spread-spectrum systems [5, 10, 11, 12]

Health hazard of e.m. field exposure

Evaluation of the field exposure levels generated by modern mobile radio systems; comparison with existing safety standard limits [4, 6, 7, 9, 16, 33, 42, 55]

Scattering

Development of new diffuse scattering models for accurate microcellular field prediction [37, 38, 53, 54, 58]

Antenna optimization

Derivation of antenna pattern shaping criteria for urban base stations using ray tracing [36, 47]

Innovative radio propagation models

Determination of the validity domain of the different cellular propagation models, development of new, hybrid deterministic/statistical models [41, 44, 48]