Michael T. Chryssomallis

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A spatial smoothing preprocessing scheme for solving problems encountered in direction-of-arrival estimation of fully correlated signals is analyzed. Simulation results are presented, that illustrate this scheme in comparison with the classical MUSIC technique. Finally, an improved spatial smoothing algorithm, which has the ability to detect more coherent(More)
This work presents an application of a geometry based model for the simulation of a common mobile telephony channel case. All critical parameters of the model are computed such as the Time-Of-Arrival (TOA), the Angle-Of-Arrival (AOA), the Angle-Of-Departure (AOD) and the received power of multipath components, in order to take decisions for using(More)
—An eigenanalysis-based technique is presented for the study and design of large complicated closed cavities and particularly Reverberation Chambers, including conductor and dielectric material losses. Two different numerical approaches are exploited. First, a straightforward approach is adopted where the finite walls conductivity is incorporated into the(More)
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