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In this paper, a new real\u2014time multiple\u2014input\u2014multiple\u2014output (MIMO) vector radio channel sounder is described, which uses multiple antennas at the transmitter as well as at the receiver position. The proposed MIMO measurement principle can be effectively exploited to estimate the propagation direction at both ends of the wireless link simultaneously, and thus, dramatically enhance overall resolution of the multiple path parameters. Applying a proper antenna architecture and the multidimensional unitary ESPRIT algorithm, joint superresolution estimation of the direction of departure (DOD), time\u2014delay of arrival (TDOA), Doppler shift, and direction of arrival (DOA) of the propagating waves becomes possible. The measured results can also be used directly for the simulation of combined transmit\u2014receive diversity (MIMO) transmission principles and space\u2014time (ST) adaptive receivers in a multi\u2014user scenario. Results based on measurements in different locations are referenced, including a complicated indoor environment as is typical for industrial WLAN applications.<\/jats:p>","DOI":"10.1002\/ett.4460120508","type":"journal-article","created":{"date-parts":[[2008,9,12]],"date-time":"2008-09-12T14:01:26Z","timestamp":1221228086000},"page":"427-438","source":"Crossref","is-referenced-by-count":85,"title":["MIMO vector channel sounder measurement for smart antenna system evaluation"],"prefix":"10.1002","volume":"12","author":[{"given":"R. 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W.Sch\u00fc\u00dfler Devices for Propagation Measurement in Mobile Radio Channels. InProc. of the 4th IEEE Int. Symp. on Personal Indoor and Mobile Radio Communications PIMRC93 Yokohama. Japan pages387\u2013391 1993."},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/19.843078"},{"key":"e_1_2_1_7_2","doi-asserted-by":"crossref","unstructured":"U.Martin Spatto\u2013Temporal Radio Channel Characteristics in Urban Macrocells. InIEE Proceedings on Radar Sonar and Navigation.Vol.145 No. 1 pages42\u201349 1998.","DOI":"10.1049\/ip-rsn:19981780"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.1972.1140277"},{"key":"e_1_2_1_9_2","unstructured":"U.Trautwein K.Blau D.Br\u00fcckner F.Herrmann A.Richter G.Sommerkorn R. S.Thom\u00e4 Radio Channel Measurement for Realistic Simulation of Adaptive Antenna Arrays.The 2nd European Personal Mobile Communications Conference EPMCC '97 Bonn. 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