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Wi-Fi 6

The Now of Networking

Extreme Networks Wi-Fi 6

Wi-Fi 6 Quick Facts

6th Gen

802.11ax is the 6th generation of Wi-Fi, and will be known simply as “Wi-Fi 6”

4x Capacity

The new standard will have quadruple the capacity for more devices than 802.11ac

IoT Optimized

Wi-Fi 6 supports flexible channel sizes and resource units that allow operators to offer more efficient IoT support


What is Wi-Fi 6?


Wi-Fi 6

The new generation of Wi-Fi technology, Wi-Fi 6, offers a paradigm shift at the network edge: not just faster speeds as in previous generation changes, but a shift to high-efficiency Wi-Fi for substantially improved capacity, better coverage and reduced network congestion, using key technologies such OFDMA and Uplink and Downlink MU-MIMO


How does Wi-Fi 6 compare?

  802.11n (Wi-Fi 4) 802.11ac (Wi-Fi 5) 802.11ax (Wi-Fi 6)
Frequency bands 2.4 GHz and 5 GHz 5 GHz only 2.4 GHz, 5 GHz, 6 GHz
Channel size (MHz) 20, 40 20, 40, 80, 80 + 80, and 160 20, 40, 80, 80 + 80, and 160
Frequency multiplexing OFDM OFDM OFDM and OFDMA
MU-MIMO N/A DL DL and UL
OFDMA N/A N/A DL and UL

How does Wi-Fi 6 improve my network performance?


Extreme Networks

OFDMA

Multi-user version of OFDM enabling concurrent AP communication (Uplink/Downlink) with multiple clients by assigning subsets of subcarriers, called Resource Units (RUs) to the individual clients. Based on client traffic needs, the AP can allocate the whole channel to only one user or may partition it to serve multiple users simultaneously.


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OBSS (BSS coloring)

To improve spatial reuse efficiency and performance, 11ax adjusts the carrier sense operation based on the ‘color’ of the BSS. Depending on the BSS the traffic is generated from, the station can use different sensitivity thresholds to transmit or defer. This results in higher overall performance.


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New Frame Formats

Modified frame formats provide High Efficiency (HE) and legacy information to support new advanced capabilities as well as information required to support legacy stations and backward compatibility.


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Power Saving with TWT

TWT allows the AP to schedule a series of times for a station to ‘wake up’ at scheduled intervals to exchange data frames. This allows the station to ‘sleep’ longer and reduces energy consumption. It’s a key capability for IOT devices.


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1024 – QAM modulation

Modulation techniques are used to optimize throughput and range. The number of points in the modulation constellation determines the number of bits conveyed with each symbol. 802.11ac uses 256 QAM which transfers 8 bits/symbol. 802.11ax supports 1024 QAM, using 10 bits/symbol for a 25% increase in throughput.


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MU-MIMO UL/DL

Introduced in 11ac, MU-MIMO technology allows the simultaneous transmitting of multiple frames to different receivers at the same time on the same channel using multiple RF streams to provide greater efficiency. 11ax adds 8x8 and Uplink MU-MIMO services to provide significantly higher data throughput.


Featured Products


Extreme Networks AP305C-FCC

305C/CX Access Point

Advanced System On a Chip (SOC)radio technology delivers Wi-Fi 6 data rates up to 2.4 Gbps concurrently on both the 2.4 GHz and 5 GHz radios.



AP410C Access Point

Wi-Fi 6 (802.11ax) Tri-Radio Access Point with Wi-Fi 6 data rates up to 4.8 Gbps, Dual 5 GHz and dedicated dual-band threat sensor.

Extreme Networks AP410C-FCC
Extreme Networks AP510C-FCC


AP510C/CX Access Point

High Capacity, High-Efficiency Wi-Fi 6 Indoor External Antenna Access Point with Software-Defined Dual 5 GHz Radios with Extended Operational Temperature Range.


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