The information flow rate in chips and also on circuit boards of modern electronic systems has developed into a bottleneck. Wireless ultrawideband (UWB) multi-input-multi- output (MIMO) chip-to-chip communication may provide a solution to this problem. The physical modeling of near-field MIMO systems requires network-oriented modeling accounting for the reciprocity of near-field MIMO antenna configurations. In this work we investigate a compact circuit model to assess near-field MIMO configurations and study a 2 × 2 MIMO test configuration for it potential with respect to its channel capacity under parameter variation concerning antenna positions and scatterers within the signal path.
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