Caracterización banda ancha de canal MIMO a 5GHz en interiores
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AuthorGonzález Fernández, Óscar; Gutiérrez Terán, Jesús; Pérez Arriaga, Jesús; Ramírez García, David; Ibáñez Díaz, Jesús María; Santamaría Caballero, Luis Ignacio
This paper presents a simple characterization methodology for broadband Multiple-Input Multiple-Output (MIMO) channels in indoor environments. The overall procedure involves the transmission of a set of phase-optimized complex exponentials within the band of interest, the subsequent acquisition through the receive antennas, and the frequency and amplitude estimation of the transmitted exponentials with high-accuracy methods based on the Fast Fourier Transform (FFT). In addition to its simplicity, other advantage of the proposed methodology is that hard tasks such as synchronization and detection are avoided. Measurements using the proposed method have been obtained using a 4x4 flexible dual band (2.4/5 GHz) MIMO testbed.
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