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Globally, WLANs operating in the 5GHz band have been standardized by the IEEE (North America), ETSI (Europe) and ARIB (Japan). A harmonized physical layer is specified offering up to 54 Mbits/s using rate adaptive Coded Orthogonal Frequency Division Multiplexing (COFDM). Multiple Input Multiple Output (MIMO) antenna architectures coupled with Soft Input Soft Output (SISO) iterative decoding algorithms represent a revolutionary approach to the design of WLANs. In this contribution, the performance of a newly proposed iterative MIMO-OFDM architecture is explored using MIMO channel data captured in the 5GHz band. To address this situation, this paper describes the construction of a broadband 5GHz MIMO-OFDM test-bed. This advanced baseband/RF platform will be used in the future to evaluate emerging MIMO-OFDM WLAN architectures.

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Format:PDFSize:490 KB
Date:Aug 2005
Pages:5

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