Search Results - "Kotterman, W"

New laboratory for Over-The-Air testing and Wave Field Synthesis by Kotterman, W. A. T., Landmann, M., Heuberger, A., Thoma, R. S.

“…In Ilmenau, Germany, a new laboratory is under construction for testing mobile communication equipment, both satellite and terrestrial. This contribution…”
Get full text

On a characterisation of Large-Scale channel parameters for distributed (multi-link) MIMO - The impact of power level differences by Narandžić, M, Kotterman, W, Kaske, M, Schneider, C, Sommerkorn, G, Hong, A, Thomä, R S

“…In configurations with spatially distributed communication sources a receiving terminal simultaneously receives multiple signals. Due to the receiver's limited…”
Get full text

Cross-correlation Values for Dual-polarised Indoor MIMO Links and Realistic Antenna Elements by Kotterman, W.A.T., Sommerkorn, G., Thoma, R.S.

“…A MIMO indoor measurement campaign at 5.2 GHz with small dual-polarised (vertically and horizontally) patch elements was performed at the campus of TU Ilmenau,…”
Get full text

Increasing the volume of test zones in anechoic chamber MIMO Over-the-Air test set-ups by Kotterman, W.

“…The essence of Over-the-Air testing is the emulation of realistic radio environments, in order to assess the communication performance of devices under test…”
Get full text

On modeling OTA Channel Emulation Systems by Lorenz, M, Kotterman, W, Del Galdo, G

“…One trend in Over-The-Air (OTA) testing is leaving hand held UE's behind and considering mobile stations, may include cars, trucks, trains, boats and even…”
Get full text

Clustering of MIMO Channel Parameters - Performance Comparison by Schneider, C., Bauer, M., Narandzic, M., Kotterman, W.A.T., Thoma, R.S.

“…Novel channel models as from COST 273 and IST-WINNER projects are models to evaluate the performance of multi-antenna concepts under link-level and…”
Get full text

Emulation of virtual radio environments for realistic end-to-end testing for intelligent traffic systems by Hein, M. A., Bornkessel, C., Kotterman, W., Schneider, C., Sharma, R. K., Wollenschlager, F., Thoma, R. S., Del Galdo, G., Landmann, M.

“…We consider two approaches for real-time end-to-end over-the-air testing for intelligent traffic systems using virtual radio environments. One approach is…”
Get full text

Solving the problem of choosing the right MIMO measurement antenna: Embedding/de-embedding by Kaske, M, Schneider, C, Kotterman, W, Thoma, R

“…This paper proposes a novel method that allows evaluation for arbitrary antenna designs based on single measurement runs. The concept comprises different…”
Get full text

On the accuracy of synthesised wave-fields in MIMO-OTA set-ups by Kotterman, W A T, Heuberger, A, Thoma, R S

“…The relatively small number of antennas available in MIMO-OTA setups makes aliasing inevitable in the classical Huygens-Fresnel approach to wave field…”
Get full text

Over-the-air test strategy and testbed for cognitive radio nodes by Krah, A., Grimm, M., Murtaza, N., Kotterman, W., Landmann, M., Heuberger, A., Thoma, R., Hein, M.

“…In this paper, an over-the-air test strategy for evaluating cognitive radio nodes is presented. This technique allows to emulate the activities of primary and…”
Get full text

60 GHz in-cabin real-time channel sounding by Garcia, A.P., Kotterman, W., Thoma, R.S., Trautwein, U., Bruckner, D., Wirnitzer, W., Kunisch, J.

“…New wireless communications systems at 60 GHz are a promising solution to reach giga-bit data rates for short range communications, e.g., for…”
Get full text

Investigation on the influence of large buildings on the propagation of radio waves by Kotterman, W.A.T., Mawira, A., Verhoef, G.J.C.

“…Numerous empirical/statistical methods are currently available for the prediction of the VHF/UHF field strength in mobile radio applications. The attenuation…”
Get full text