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802.11ac vs 802.11ax-Difference between 802.11ac,802.11ax

This page compares WLAN 802.11ac vs 802.11ax and mentions difference between 802.11ac and 802.11ax.

WLAN 802.11ac

This WLAN standard is successor to IEEE 802.11n. It supports high throughput due to addition of higher bandwidths, multi-user MIMO, higher number of spatial streams and higher number of modulation schemes such as 256 QAM.
WLAN 802.11ac basics➤

WLAN 802.11ax

This WLAN standard is successor to IEEE 802.11ac. It has advanced features such as downlink and uplink OFDMA, STR (simulaneous transmit/receive), Uplink MU-MIMO, Dynamic CCA.
WLAN 802.11ax basics➤

Difference between 802.11ac and 802.11ax


Specifications 802.11ac 802.11ax
Frequency Bands 5 GHz 2.4 GHz, 5 GHz
Channel Bandwidths 20 MHz, 40 MHz, 80+80 MHz, 160 MHz 20 MHz, 40 MHz, 80 MHz, 80+80MHz, 160 MHz
FFT sizes 64, 128, 256, 512 256, 512, 1024, 2048
Subcarrier spacing 312.5 KHz 78.125 KHz
OFDM symbol duration 3.2µs + 0.8/0.4 µs CP 12.8µs + 0.8/1.6/3.2µs CP
Modulation scheme (highest) 256 QAM 1024 QAM
Data rates 433 Mbits/sec(with 80 MHz and 1 Spatial Streams(SS) )
6.933 Gbits/sec (with 160MHz, 8 SS)
600.4 Mbits/sec (with 80 MHz, 1 SS)
9.6078 Gbits/sec (with 160 MHz, 8 SS)

WLAN 802.11ac and 802.11ax related links

Difference between 802.11ac Wave1 and Wave2
Difference between 802.11n,11ac,11ad
WLAN 802.11ac tutorial
WLAN 802.11ac frame structure
WLAN 802.11ac Physical Layer
802.11ac MAC Layer
802.11ax basics
WLAN 11a,11b,11n,11ac frame structures

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