Chapter 11

Linear Precoding Strategies for Multi-User Massive MIMO Systems

Mosa Ali Abu-Rgheff

Mosa Ali Abu-Rgheff

University of Plymouth, Centre for Security, Communications and Network Research, United Kingdom

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First published: 16 September 2019

Summary

This chapter introduces the precoding strategies including nonlinear precoding known as dirty paper coding or Costa precoding. It describes the basic generic linear precoding structure and the articulation of the precoding matrix. The chapter examines multi-user multiple-input, multiple-output (MIMO) precoding. It also describes linear channel inversion precoding at the transmitter of multi-user, which began by explaining the basic concept of channel inversion, followed by a detailed analysis of broadcast channel (BC) inversion model. The chapter considers multi-user zero-forcing (ZF) precoding used in BC. It provides information on the definition and fairness, maximizing the throughput, and managing the channel outage. The chapter addresses the matched filter precoding and also considers the regularized zero-forcing (RZF). It presents the block diagonalization (BD) precoding and the model of multi-user BD precoding. The chapter also presents a new type of precoders as an alternative to the RZF/ZF precoders.

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