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Episode 120: MIMO and MU-MIMO — Multiplying Wireless Performance

20 Jul 2025

Description

Multiple-Input, Multiple-Output (MIMO) is one of the most powerful features in modern wireless communication, dramatically increasing speed and efficiency. In this episode, we explain how MIMO works by allowing multiple data streams to be sent and received simultaneously using multiple antennas. You'll learn about spatial streams, signal reflection, and how beamforming targets specific devices to improve range and performance.We also discuss MU-MIMO (Multi-User MIMO), which enables routers to serve multiple clients simultaneously rather than sequentially. These technologies are core to 802.11ac and 802.11ax (Wi-Fi 5 and Wi-Fi 6) and play a huge role in optimizing wireless throughput in crowded environments. Understanding MIMO helps you design and troubleshoot Wi-Fi systems that perform well even under heavy load.

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