Massive MIMO是5G系统的关键技术之一。本课题将深入研究和建模5G Massive MIMO信道特性，并在此基础上进行更实际的系统设计相关研究。首先，本课题针对5G全频段（0.45GHz~84GHz，从传统6GHz以下频段，一直到28,38,60,73和83GHz等重点毫米波频段） Massive MIMO信道，从测量，数据提取和分析，及建模三个方面展开研究工作，给出可以更好的分析和建模其信道特性的一套完整方案，提出一系列信道模型。在此基础上，深入分析和研究空间调制思想在5G Massive MIMO中的应用问题，创新性的从空、时、频域进行合理、灵活的联合序号调制方案设计，提出若干基于空间调制思想的Massive MIMO方案。最后，基于提出的信道模型，搭建仿真平台，对本课题研究成果的实际应用价值进行全面验证，从而为5G Massive MIMO设计提供可靠的理论基础和技术支持。

Massive MIMO is one of the key technologies for 5G. In this project, we will carry out in-depth study of the 5G massive MIMO channel characteristics and its modeling, which will in turn serve as the foundation of more practical system designs in such environments. First, our research will target the measurement, data extraction and analysis, as well as modeling of the massive MIMO channel in the entire 5G spectrum of 0.45-84GHz, which covers both the traditional spectrum below 6GHz and the the main mm wave spectra around 28, 38, 60, and 73GHz. The objective is to provide a complete mechanism to better analyze and model its channel characteristics. Based on this, we will thoroughly analyze and study the application of spatial modulation (SM) into 5G massive MIMO. The objective is to develop SM-based massive MIMO designs via flexible and innovative joint index modulation in space, time and frequency domains. Finally, we will establish a simulation platform based on the proposed channel models in order to demonstrate the practical application value of the research outcomes of this project, and ultimately provide reliable theoretical foundation and technological support for the design of 5G massive MIMO.