Abstract
Radio frequency interference (RFI) of industrial, scientific, and medical (ISM) equipment at 2.4 GHz can corrupt a wireless communication channel that shares the same band. Interference modeling of ISM radio emissions leads to a Middleton Class-A (MCA) model, which represents the impacts of additive white Gaussian noise (AWGN) superimposed to impulsive emissions of ISM interference. The statistical-physical extension of the MCA model for multiple receive antennas has so far been limited to two antennas. Herewith, we provide a measurement campaign at a 2.4 GHz band to capture the impulsive interference caused by various ISM sources. To verify a multivariate extension of the MCA model for multiple receive antennas, the measurement campaign implemented 4 receive antennas. This allows us to investigate the spatial coupling and correlation of measured interference in contrast to the multivariate MCA model.
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