Achievable rates of MIMO-ISI systems with linear precoding and iterative LMMSE detection

Abstract

In this paper, we consider the performance analysis of multiple-input multiple-output (MIMO) inter-symbol interference (ISI) systems involving linear-precoding (LP) and iterative linear minimum mean-square error (ILMMSE) detection. The main contribution of this paper is an area theorem to evaluate the achievable rate of the proposed LP-ILMMSE scheme. Based on this area theorem, we further optimize the linear precoder to maximize the achievable rate. Numerical results are provided to verify our analysis.