Introduction to MIMO and Simple Ways to Use It in GNU Radio

Explore the fundamentals of Multiple Input Multiple Output (MIMO) technology and its practical applications in GNU Radio in this comprehensive conference talk from GNU Radio Conference 2021. Delve into the world of diversity and MIMO operations, essential components of modern wireless communication systems. Begin with a refresher on multipath propagation, focusing on modeling its effects within GNU Radio. Progress through an introduction to diversity and MIMO concepts, covering various types and applications such as selection diversity, MRC/MRT, beamforming, space-time coding, spatial multiplexing, and Massive MIMO. Witness the creation of a simple MIMO communication system in GNU Radio through live flowgraph demonstrations. Experiment with propagation impairments and system parameters to gain an intuitive understanding of real-world scenarios. Learn about MIMO characterization, constant vs. time-varying systems, and modeling techniques. Discover the benefits of MIMO, including diversity order and space-time coding. Gain insights into advanced concepts like Alamouti encoding, precoding, and Massive MIMO, equipping yourself with valuable knowledge for implementing MIMO systems in GNU Radio projects.