The demand for ubiquitous telecommunications services forces operators to have a special concern about signal quality and the coverage area they offer to their customers. This was usually checked by using suitable propagation models for Single Input Single Output (SISO) systems, which are no longer the case for new and future mobile generations, such as 5G and beyond. To guarantee good signal quality coverage, operators started to replace these models with Multiple Input Multiple Output (MIMO) ones. To achieve the best results, these models are usually calibrated with Drive Test (DT) measures; however, the DTs available for MIMO propagation models are sparse, in contrast to SISO ones. The main contribution presented in this paper is a methodology to extend the propagation models of SISO systems so they can be applied in MIMO sytems with Single-Carrier and Frequency-Domain Equalization (SC-FDE), while still using DTs acquired for SISO systems. This paper presents the impact on Bit Error Rate (BER) performance and its coverage area resulting from the application of our proposed method. We consider a MIMO SC-FDE system with an Iterative Block Decision Feedback Equalization (IB-DFE) receiver and we present the improvement expressions for the BER that we illustrate with some simulations.

中文翻译：

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使用SISO测量估算MIMO SC-FDE系统的性能

对无处不在的电信服务的需求迫使运营商特别关注信号质量及其向客户提供的覆盖范围。通常通过对单输入单输出（SISO）系统使用合适的传播模型进行检查，而对于新的和未来的移动代（例如5G及更高版本），情况已不再如此。为了保证良好的信号质量覆盖范围，运营商开始用多输入多输出（MIMO）替代这些模型。为了获得最佳结果，通常使用路测（DT）措施对这些模型进行校准。但是，与SISO相比，可用于MIMO传播模型的DT稀疏。本文提出的主要贡献是一种扩展SISO系统传播模型的方法，因此可以将其应用于具有单载波和频域均衡（SC-FDE）的MIMO系统中，同时仍使用为SISO系统获取的DT。本文介绍了应用本文提出的方法对误码率（BER）性能及其覆盖范围的影响。我们考虑了具有迭代块决策反馈均衡（IB-DFE）接收器的MIMO SC-FDE系统，并给出了一些仿真对BER的改进表达式。