802.11be
What is IEEE 802.11be?
IEEE 802.11be, also known as Wi-Fi 7, is the upcoming Wi-Fi standard designed to deliver extremely high throughput and improved efficiency over previous Wi-Fi generations.
What are the key features of 802.11be?
Key features include support for up to 320 MHz channel bandwidth, 16 spatial streams, multi-link operation, and enhanced multi-user MIMO.
What frequency bands does 802.11be support?
802.11be operates on 2.4 GHz, 5 GHz, and 6 GHz frequency bands.
What maximum data rate does 802.11be aim to achieve?
It aims to support data rates up to 30 Gbps or higher, significantly surpassing Wi-Fi 6/6E.
What is Multi-Link Operation (MLO) in 802.11be?
MLO enables devices to simultaneously transmit and receive data over multiple frequency bands and channels, improving throughput and reducing latency.
How many spatial streams does 802.11be support?
802.11be supports up to 16 spatial streams, doubling the maximum of Wi-Fi 6.
Is 802.11be backward compatible?
Yes, 802.11be is backward compatible with earlier Wi-Fi standards such as 802.11ax (Wi-Fi 6), 802.11ac, and others.
What channel bandwidths does 802.11be support?
It supports 20, 40, 80, 160 MHz, and new 320 MHz wide channels for ultra-high throughput.
What is Enhanced Multi-User MIMO in 802.11be?
It allows simultaneous data streams to multiple devices, improving network efficiency and capacity.
Does 802.11be support lower latency?
Yes, 802.11be introduces features to reduce latency, making it suitable for real-time applications like gaming and AR/VR.
When is 802.11be expected to be finalized?
The standard is expected to be finalized around 2024-2025.
Which OSI layers does 802.11be operate on?
It operates on the Physical (Layer 1) and Data Link Layer (Layer 2) of the OSI model.
Which transport protocols are supported by 802.11be?
It supports all IP-based protocols, including TCP, UDP, and others.
Is 802.11be energy efficient?
Yes, it includes power-saving improvements to extend battery life on mobile devices.
Can 802.11be operate on the 6 GHz band?
Yes, it supports operation on the 6 GHz band, benefiting from reduced interference and wider channels.
What improvements does 802.11be bring over 802.11ax (Wi-Fi 6)?
802.11be offers higher throughput, lower latency, wider channels, more spatial streams, and multi-link capabilities.
Is 802.11be suitable for enterprise networks?
Yes, it is designed for high-capacity environments including enterprises, stadiums, and dense urban areas.
Does 802.11be support Quality of Service (QoS)?
Yes, it includes enhanced QoS features to prioritize traffic and improve user experience.
Is 802.11be backward compatible with Wi-Fi 5 (802.11ac)?
Yes, it supports backward compatibility with Wi-Fi 5 devices.
Topics in this section,
In this section, you are going to learn
Terminology
Version Info
rfc details
setup
setup
mac features
Medium Access Functions and their inner working
Supported Frequency Bands in 802.11be
List of Physical Features
Power Saving Mechanisms in IEEE 802.11be
Interoperability Mechanisms in IEEE 802.11be
End-User Products that support 802.11be
Protocol Packet Details
Basic Features
Reference links