Frequency-Domain Methodology for Measuring MIMO Channels Using a Generic Test Bed

TitleFrequency-Domain Methodology for Measuring MIMO Channels Using a Generic Test Bed
Publication TypeJournal Article
Year of Publication2011
AuthorsJ. Gutiérrez, Ó. González, J. Pérez, D. Ramírez, L. Vielva, J. Ibáñez, and I. Santamaría
JournalIEEE Transactions on Instrumentation and Measurement
Volume60
Pagination827–838
Month PublishedMarch
AbstractA multiple-input multiple-output (MIMO) frequency-domain channel measurement methodology is presented. This methodology can be implemented in any transmit/receive hardware consisting of radio frequency modules and baseband digital processing units. It involves the transmission and reception of frequency and phase-optimized complex exponentials through antenna arrays, followed by an offline frequency estimation, which makes additional synchronization circuitry unnecessary. To test the feasibility of this method, a series of measurements is presented, employing a 4×4 dual-band (2.4/5 GHz) MIMO test bed.