Rohde & Schwarz’s current release of the FS-K103PC software option for its FSV, FSQ, and FSW signal analyzers offers a test solution for 3GPP Long-Term Evolution (LTE) uplink with multiple-input multiple-output (MIMO) technology. Chipset developers can use the latest software option to directly test whether the LTE uplink MIMO function is correctly implemented in the device under test (DUT). Two Rohde & Schwarz signal analyzers connected to a PC are used to test two antennas of the DUT simultaneously, enabling verification of the MIMO precoding. The software analyzes the data streams and their distribution among the antennas according to the matrix multiplication defined by 3GPP. Additionally, this makes it possible to verify the time correlation between the antenna signals. A datasheet for the software is available at www2.rohde-schwarz.com/file_18344/FS-K101-103-105PC_FSx-K101-103-105_dat-sw_en.pdf.

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