802.11ay - Basics

What is IEEE 802.11ay?

IEEE 802.11ay is a wireless networking standard designed to extend the capabilities of 802.11ad by increasing throughput and range in the 60 GHz frequency band.

When was 802.11ay finalized?

The standard was ratified in 2021.

What frequency band does 802.11ay use?

It operates exclusively in the 60 GHz millimeter-wave (mmWave) frequency band.

What maximum data rates does 802.11ay support?

It supports data rates up to 176 Gbps using channel bonding and multiple spatial streams.

How does 802.11ay improve upon 802.11ad?

By enabling channel bonding of up to four 2.16 GHz channels and supporting up to eight MIMO streams, it increases throughput and range.

Is 802.11ay backward compatible?

Yes, it is backward compatible with devices supporting 802.11ad.

What is channel bonding in 802.11ay?

Channel bonding combines multiple adjacent 2.16 GHz channels into a single wider channel to increase throughput.

What applications benefit from 802.11ay?

High-speed wireless data transfer, VR/AR streaming, wireless docking stations, and wireless backhaul networks.

What is the typical range of 802.11ay?

Up to 300 meters under optimal conditions, which is longer than 802.11ad’s typical range.

Does 802.11ay support MIMO?

Yes, it supports up to eight MIMO spatial streams.

Which OSI layers does 802.11ay operate on?

It operates primarily at the Physical Layer (Layer 1) and Data Link Layer (Layer 2).

Is 802.11ay suitable for indoor and outdoor use?

It is primarily designed for short-range, high-speed indoor use but can also be used outdoors with line-of-sight.

What modulation schemes does 802.11ay use?

It uses advanced modulation techniques such as BPSK, QPSK, 16-QAM, 64-QAM, and 256-QAM.

Does 802.11ay require line-of-sight (LOS)?

While it performs best with LOS, beamforming allows it to function with some non-LOS scenarios.

What is beamforming in 802.11ay?

Beamforming directs the wireless signal toward the receiving device to improve signal strength and quality.

How does 802.11ay handle interference?

Operating in the 60 GHz band, it experiences less interference than lower-frequency Wi-Fi but is more sensitive to obstacles.

Is 802.11ay widely adopted?

It is gaining traction for niche applications requiring ultra-high throughput and low latency.

Where can I find the official 802.11ay specifications?

The IEEE Standards Association provides the full official documentation.

  • 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 802.11an

  • List of Physical Features

  • Power Saving Mechanisms in IEEE 802.11an

  • Interoperability Mechanisms in IEEE 802.11an

  • End-User Products that support 802.11an

  • Protocol Packet Details

  • Basic Features

  • Reference links