Study of Linear Precoding and Stream Combining for Rate Splitting in MU-MIMO Systems
Information Theory
2020-03-10 v1 math.IT
Abstract
This paper develops stream combining techniques for rate-splitting (RS) multiple-antenna systems with multiple users to enhance the common rate. We propose linear combining techniques based on the Min-Max, the maximum ratio and the minimum mean-square error criteria along with Regularized Block Diagonalization (RBD) precoders for RS-based multiuser multiple-antenna systems. An analysis of the sum rate performance is carried out, leading to closed-form expressions. Simulations show that the proposed combining schemes offer a significant sum rate performance gain over conventional linear precoding schemes.
Cite
@article{arxiv.2003.03486,
title = {Study of Linear Precoding and Stream Combining for Rate Splitting in MU-MIMO Systems},
author = {A. Flores and R. C. de Lamare and B. Clerckx},
journal= {arXiv preprint arXiv:2003.03486},
year = {2020}
}
Comments
5 figures, 5 pages