[LINK] Wi-Fi 7

[Fernando Cassia]

Meanwhile most IoT cheap kit - door sensors, smart bulbs and the like-
still use the crowded 2.4GHz band in the 'n' spec.

:(

FC

On Tue, Dec 12, 2023, 01:58 Stephen Loosley <stephenloosley at outlook.com>
wrote:

> Wi-Fi 7 to get the final seal of approval early next year, new standard is
> up to 4.8 times faster than Wi-Fi 6
>
> By Anton Shilov published about 17 hours ago
>
> https://www.tomshardware.com/networking/wi-fi-7-to-get-the-final-seal-of-approval-early-next-year-delivers-48-times-faster-performance-than-wi-fi-6
>
> The Wi-Fi Alliance has announced that the Wi-Fi 7 specification will be
> finalized by the end of the first quarter, opening the doors to adopting
> standardized hardware by businesses and enterprises.
>
> "Wi-Fi CERTIFIED 7, based on IEEE 802.11be technology, will be available
> before the end of Q1 2024," the Wi-Fi Alliance states.
>
> "Wi-Fi 7 devices are entering the market today, and Wi-Fi CERTIFIED 7 will
> facilitate worldwide interoperability and bring advanced Wi-Fi performance
> to the next era of connected devices."
>
> Wi-Fi 7 is shaping up to be a big deal in wireless connections, offering
> speeds up to 40 Gbit/s. This could make it a strong alternative to
> traditional wired Ethernet for most people.
>
> It achieves these speeds using three frequency bands: 2.40 GHz, 5 GHz, and
> 6 GHz, using a channel width of 320 MHz and 4096-QAM.
>
> Furthermore, Wi-Fi 7 builds on what Wi-Fi 6 and Wi-Fi 6E started,
> including features like MU-MIMO and OFDMA to speed up connections. All
> told, this delivers up to a 4.8X improvement over Wi-Fi 6.
>
> While numerous Wi-Fi 7-badged adapters for PCs and routers are on the
> market today, they follow the so-called 'draft' Wi-Fi 7 specification.
>
> This does not make them any worse on the consumer level, and most existing
> 'draft' devices will support the full standard after a firmware update. But
> for enterprises residing in fully crowded office buildings, fully ratified
> devices are a must because they must work over very specific frequencies.
>
> One of the wrinkles about the new technology is that the Wi-Fi Alliance is
> positioning them for AR/VR, which means direct wireless connections, which
> are hard to get in modern environments.
>
> "Wi-Fi 7 supports superior connectivity for emerging use cases with high
> levels of interactivity and immersion," another statement by the Alliance
> reads.
>
> "As user demand for high capacity, low latency technologies like AR/VR/XR,
> cloud computing, and Industrial IoT grows across market segments, Wi-Fi 7
> devices will deliver optimized performance, even in dense environments in
> the 2.4 and 5 GHz band.
>
> Countries with access to 6 GHz will experience the full scope of Wi-Fi 7’s
> unparalleled performance."
>
> --
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