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Multiple Input-Multiple Output (MIMO) is an attractive technology for future wireless systems. MIMO communication, enabled by the use of multiple transmit and multiple receive antennas, is known for its high spectral efficiency as well as its robustness against fading and interference. Combining MIMO with Orthogonal Frequency Division Multiplexing (OFDM), it is possible to significantly reduce receiver complexity as OFDM greatly simplifies equalization at the receiver. MIMO-OFDM is currently being considered for a number of developing wireless standards; consequently, the study of MIMO-OFDM in realistic environments is of great importance. This paper describes an approach for prototyping a MIMO-OFDM system using a flexible Software Defined Radio (SDR) system architecture in conjunction with commercially available hardware.

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Format:PDFSize:561 KB
Date:Jun 2006
Pages:6

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