Investigations on decoupling and matching feeding networks for a MIMO array antenna

Abstract

Decoupling and matching feeding networks are considerably interested for small wireless terminals to enhance their abilities in the application for MIMO systems. This paper describes various kinds of decoupling and matching feeding networks and derives the formulas for determining the network elements explicitly. Numerical results are presented to ensure the formula for each decoupling and matching feeding network. Discussions on the difference of the networks are also presented.