Improving online gaming experience over IEEE 802.11ac WiFi

This article is how to get a great online gaming experience with a stable and fast WiFi connection over IEEE 802.11ac. This article only focuses on IEEE 802.11ac because it is the best wifi standard we have right now for a great wifi experience that can sometimes be equivalent to Ethernet cables if not better for the daily average user. If you want to go beyond you can try 802.11ad but there are drawbacks for the average user(see below).

The Hardware Devices

In the market to identify the best WiFi router and adapter (USB or PCI) you can buy, there is a naming convention you can follow. The technology supported by the router or adapter is indicated by ACXXXX (where XXX is a number). Higher the XXX number the better meaning that the AC1300 will give more speed (Mbps) over AC1200.  Some example devises TP-Link AC5400 WiFi Router, TP-Link AC1900 Wireless High Gain Dual Band USB Adapter.

  • The more antennas the device has the better.
  • A WiFi adapter that supports IEEE 802.11ac at least needs USB 3.0 connection. So make sure your computer has a USB 3.0 or 3.1  / USB-C connector if you need a USB adapter.

Recommended WiFi Router

AC5400 Wireless Tri-Band MU-MIMO Gigabit Router

Recommended WiFi USB adapter

TP-Link AC1900 Wireless High Gain Dual Band USB Adapter

Configuring WiFi Adapter

In Windows, once you have installed the adapter, you should see the device under network devices.


  • Right-click the wireless adapter and click Properties.
  • Click the Advanced tab to configure the advanced settings.

Now you should see multiple options where you can set to update configuration for wifi connectivity.  Following are the settings I get for my TP-Link AC1900 USB adapter.  See below on how to change these options get the best results.  Also, certain properties may not appear depending on the type of wireless adapter, driver version, or operating system installed. Please kindly let me know if you know more properties and preferred values. One important thing is to select only VHT options, not VHT/HT together, for a relevant property.  Because

  • VHT = Very High Throughput = 802.11ac
  • HT = High Throughput = 802.11n

Another thing is, please take a note of the current values for the properties before changing as depending on your wifi interference, the network might stop working altogether.

Property What is it?best value
AMfactor Need information
BeamCapBeamforming / for stable and fast connectionOnly VHT
EnableAdaptivityWill try to change frequency if it detects WiFi noise Disable it, if you are relatively closer to the router OR if there are not many WiFi networks around
HLDiffForAdaptibityProbably relates to adaptivity behaviorDisable it if you have disabled EnableAdaptivity
L2HForAdaptivity Probably relates to adaptivity behaviorDisable it if you have disabled EnableAdaptivity
LDpcCapFor correction error Disable it for faster connection
QoS SupportHelps to prioritize data depending on the service Enable it
StbcCapSpace-Time Block Coding Disable it for faster connection
USB RF SELECTNeed information
USB SF ModeNeed information
VHT 2.4GIf you need 2.4GHz mode for long range (slow speed)Keep ‘enabled’ for better reliability.
VHT 2.4G IOTIf you need 2.4GHz mode for long range (slow speed)Keep ‘enabled’ for better reliability.
Wifi ConfigNeed information
Wireless ModeWhat WiFi standard to use. I.E. for best, 802.11acBasically only 802.11ac

What about 802.11ad?

The 802.11ad protocol supports 60GHz for more(more) speed. However the signal cannot go through walls, So you need to have a line-of-sight with the Router and Adapter.

I am not going to write about this more, as I don’t have any experience.

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One response to “Improving online gaming experience over IEEE 802.11ac WiFi”

  1. Knut Avatar

    Thanks for this. Have you been able to gather more info on the points that needs more info?

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