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Nowadays the need for high-data-rate-communication channels is increasing and will ineluctably continue to increase in the future. From a theoretical point of view, MIMO (multiple input multiple output) approach seems to be one of the best solutions to provide such a high capacity. This paper presents a mm-wave MIMO channel measurement system developed in the Radio Laboratory of Helsinki University of Technology. The system is based on virtual antenna arrays: the antenna arrays are obtained by two 2D scanners which shift a single transmit antenna and a single receive antenna. Measurements in LOS (line of sight) and NLOS (non line of sight) are reported, from what the MIMO channel capacity is calculated and the DOD (direction of departure) and DOA (direction of arrival) are estimated
Ranvier et al. (Wed,) studied this question.
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