Technology

What is MU-MIMO technology and is it necessary for Wi-Fi routers?

The MU-MIMO technology has been developed since 2015 to increase speeds up to four times compared to traditional router routers. So, what is MU-MIMO and is it a necessary factor for WiFi routers? Let's find out in the following article.

Administrator

2 March, 2024

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The MU-MIMO technology is introduced with the aim of not only increasing device connectivity and network speed but also comes with many other benefits when used. The following article will give you a more detailed look at this modern technology, so let’s follow along.

What is MU-MIMO technology?

The term MU-MIMO stands for Multi User – Multiple Input – Multiple Output, which means Multiple Users – Multiple Inputs – Multiple Outputs. This technology is applied to improve the following capabilities:

Device connectivity: MU-MIMO technology helps routers communicate with multiple devices at the same time, reducing the waiting time for each device to receive signals. This is different from SU-MIMO technology where data has to be transmitted sequentially to each device.
Increased network speed: MU-MIMO technology provides superior network speed without reducing bandwidth. This technology allows simultaneous connections to multiple devices and improves the network experience.

However, to use MU-MIMO, users need to have AC or AC Wave 2 wireless routers because most old wireless standards such as 802.11.a or 802.11.b, 802.11.g or 802.11.n do not support MU-MIMO. This technology combines MIMO, which stands for “Multiple Inputs – Multiple Outputs,” and MU, which stands for “Multiple Users,” allowing the router to send multiple MIMO data streams to multiple devices simultaneously.

How does MU-MIMO work?

A Wi-Fi router is usually equipped with at least one antenna to connect to other devices and transmit data. Some target devices such as laptops or mobile phones also usually have at least one antenna to receive Wi-Fi signals. Wi-Fi waves are then transmitted and received through these antennas. Increasing the number of antennas can support improved stability and signal strength, especially when used in environments with a lot of interference.

Benefits of MU-MIMO technology

MU-MIMO technology brings a range of unexpected benefits, especially in environments with multiple wireless devices:

Improved performance when using multiple devices: MU-MIMO allows the router or access point to simultaneously send data to multiple devices. This capability helps reduce latency and increase data transmission speed, improving performance especially when multiple devices are connected simultaneously.
Reduced collision and latency: By transmitting data simultaneously to each device, MU-MIMO technology helps reduce collisions and latency in the Wi-Fi network. This creates smoother user experiences, especially when using multiple devices on the same network.

Increased load capacity: MU-MIMO technology improves the Wi-Fi network’s load-bearing capacity by simultaneously processing multiple data streams. This helps alleviate network pressure. When multiple users or devices are connected at the same time, MU-MIMO is truly a great innovation.
Suitable for environments with multiple devices: With the ability to simultaneously process multiple connections, MU-MIMO is suitable for use in environments with many wireless devices such as homes, offices, schools, or public areas.

Improved user experience: By reducing latency and increasing data transmission speed, MU-MIMO naturally provides a better user experience.
Supports high-bandwidth applications: MU-MIMO technology excels in supporting bandwidth-demanding applications such as high-quality video streaming, online gaming, and other high-bandwidth-specific applications. This ensures that the Wi-Fi network being used can meet the increasing demands of modern users.

The impact of MU-MIMO technology on Wi-Fi routers

Wi-Fi routers integrated with MU-MIMO technology aim to reduce the waiting time to receive data to the lowest level. This is because MU-MIMO does not require client devices to share connection time with other clients in the network system. MU-MIMO-capable Wi-Fi routers can handle and provide performance for multiple connected devices at the same time, creating conditions for using multiple devices without reducing connection quality.

MU-MIMO technology can provide additional capacity to serve all devices, including old and used devices.

MU-MIMO technology was introduced in the early stages of 2015, and since then, most devices such as networking devices, laptops, mobile phones, or personal computers and many other technology devices produced have integrated support for this MU-MIMO standard from 2016 onwards. Devices that support Wi-Fi AC standards and above all integrate MU-MIMO technology, providing high-performance and stable network experiences for users.

You can easily find devices that use MU-MIMO technology at stores or technology retail stores.

Frequently asked questions

MU-MIMO (Multi-User Multiple-Input Multiple-Output) is a technology that allows a Wi-Fi router to communicate with multiple devices simultaneously. This is achieved by using multiple antennas to transmit and receive signals, enabling the router to handle more connections at once and improve overall network efficiency.

MU-MIMO technology utilizes spatial diversity and antenna gain to separate and optimize signals for different devices. This allows the router to transmit data to multiple devices in the same frequency band at the same time, rather than having to send data to each device sequentially.

MU-MIMO offers several advantages, including increased network capacity, improved throughput, and reduced latency. It helps to alleviate network congestion, especially in environments with multiple devices trying to access the internet simultaneously. This results in faster speeds, smoother streaming, and better overall performance for all connected devices.

While MU-MIMO is not a mandatory feature for Wi-Fi routers, it has become increasingly important as the number of connected devices in homes and offices continues to grow. MU-MIMO can significantly enhance the user experience by improving speed, efficiency, and reliability, especially in busy network environments.

One potential drawback of MU-MIMO is that it requires compatible client devices to take full advantage of its benefits. Older devices may not support MU-MIMO, although they can still connect to a MU-MIMO router without issue. Additionally, the performance gains of MU-MIMO are most noticeable in environments with many concurrent connections.