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Wi-Fi 6 version 2 is officially released, improving power management and uplink

WiFi 6 version 2

The Wi-Fi Alliance announced the Wi-Fi 6 version 2 standard (Wi-Fi 6 Release 2). It improves the uplink and power management of all supported frequency bands (2.4GHz, 5GHz, and 6GHz), and is suitable for routers and devices in homes and workplaces, as well as smart home IoT devices.

Wifi 6

First of all, Wi-Fi 6 version 2 adds support for uplink multi-user multi-input and multi-output (multi-user MIMO) to provide smoother streaming services and video conferencing, faster uploads, and more reliable games.

By 2022, nearly 2 billion Wi-Fi 6 devices will enter the market. Today’s Wi-Fi supports higher device densities, more applications that require bandwidth, and a surge in uplink data requirements in residential and corporate environments.

Wi-Fi 6 version 2 adds support for uplink multi-user MIMO, enabling devices to upload content to the access point (AP) at the same time. Wi-Fi networks support more upstream activities. Users often upload work documents and videos to social media sites. As more IoT devices send data to the cloud via Wi-Fi, the trend of upstream data consumption will further increase.

wifi 6

Uplink multi-user MIMO can improve network performance and reduce latency in video conferencing, uploading documents, and any other mission-critical applications that require greater uplink capacity.

The DNS understands that Wi-Fi 6 version 2 is also smarter in terms of power management. It supports new low power consumption and sleep modes, which is particularly beneficial for battery-powered smart home devices.

New low power consumption and sleep mode enhancements-including broadcast target wake time (TWT), extended sleep time, and dynamic multi-use space multiplexing power saving (SMPS)-support power optimization of multiple battery-powered devices.

These three functions allow multiple devices to receive extended sleep time, allow a specific “wake-up” time for transmitting data, and enable the dynamic shutdown of redundant receive chains to optimize the power consumption of Wi-Fi 6 version 2 networks. Power management functions are beneficial to smart homes, smart cities, and industrial Internet of Things (IIoT) environments, and enable Wi-Fi to further play its role in providing Internet of Things applications.

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