Comments on "On Favorable Propagation in Massive MIMO Systems and Different Antenna Configurations" [1]
arXiv:1909.08726
Abstract
It is shown that the condition of Theorem 1 in [1] never holds in practice and that Theorem 2 is incorrect under the stated condition. Extra assumptions or/and modifications are needed to make the conclusions of Theorem 1 and 2 above valid, which are provided below.
submitted for publication