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In this paper a new measurement setup to obtain the characteristic channel matrix of a MIMO radio system is presented using a small and non intrusive device able to characterize two antennas and therefore obtaining the characteristic channel matrix of a MIMO radio system of Nx2 antennas without using a receiver for each port. The extension to a system of more than two output elements can be easily...
Small antennas characterization is tightly influenced by the measurement equipment as well as the scenario. In two port antennas isolation between ports, which is a clue factor to determine, is highly dependent on the final scenario also. To avoid these perturbing factors and obtain the complete S-parameter matrix of the antenna under test a wireless measurement setup has been developed. In this paper...
In small antennas S-parameters measurements are highly influenced by the measurement equipment as well as the environment. In order to avoid this inconvenience, a wireless and non-invasive characterization setup is required. In this paper a novel contact-less measurement setup is developed based on the radar cross section (RCS) measurement method using impedance modulation. A small (2 times 2 cm2)...
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