MIMO-OFDM系统研究进展综述

Signals Pub Date : 2022-06-02 DOI:10.3390/signals3020023
Houda Harkat, P. Monteiro, A. Gameiro, F. Guiomar, Hasmath Farhana Thariq Ahmed
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引用次数: 13

摘要

MIMO-OFDM是5G通信系统的关键技术和强有力的候选技术。在文献中,没有一项方便的调查研究囊括了有关这类系统的所有需要调查的点。当前更深层次的综述论文检查和解释的艺术状态,并解决了几个研究轴与MIMO-OFDM系统。MIMO波形和MIMO- ofdm信道估计这两个主题受到了特别的关注。简要讨论了现有MIMO硬件和软件的创新,以及MIMO- ofdm均衡技术。在文献中,只有少数作者讨论了各种MIMO系统的MIMO信道估计和建模问题。然而,据我们所知,到目前为止还没有专门讨论最近关于MIMO-OFDM系统的信道估计和均衡过程的综述论文。因此,目前的工作重点是分析该领域最近使用的算法,这可以为研究人员提供丰富的参考。此外,本文还提出了一些研究前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Survey on MIMO-OFDM Systems: Review of Recent Trends
MIMO-OFDM is a key technology and a strong candidate for 5G telecommunication systems. In the literature, there is no convenient survey study that rounds up all the necessary points to be investigated concerning such systems. The current deeper review paper inspects and interprets the state of the art and addresses several research axes related to MIMO-OFDM systems. Two topics have received special attention: MIMO waveforms and MIMO-OFDM channel estimation. The existing MIMO hardware and software innovations, in addition to the MIMO-OFDM equalization techniques, are discussed concisely. In the literature, only a few authors have discussed the MIMO channel estimation and modeling problems for a variety of MIMO systems. However, to the best of our knowledge, there has been until now no review paper specifically discussing the recent works concerning channel estimation and the equalization process for MIMO-OFDM systems. Hence, the current work focuses on analyzing the recently used algorithms in the field, which could be a rich reference for researchers. Moreover, some research perspectives are identified.
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CiteScore
3.20
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