Patent attributes
Systems and methods are disclosed herein to provide automatic identification of radio frequency (RF) transmitter chains during the testing of wireless data communication devices and systems, including Multiple Input Multiple Output (MIMO) devices and systems utilizing beamforming. In accordance with one or more embodiments, a signal analysis function is disclosed that identifies the ordinal index of each MIMO RF transmitter chain associated with a Device Under Test (DUT) using the Cyclic Shift Delay (CSD) imposed on the transmitted MIMO signal. Such a system may offer improved capabilities such as automated detection of mis-cabled test setups, automated recovery from mis-cabling, and automated adaptation of transmitted test signals to counteract the effects of mis-cabling.
