Does Intel AX211 support 2.4GHz 40M-OFDMA well?

[ShengminZhou]

We have found the balance  (15 AX211 clients) of throughput for downlink in 2.4GHz 40M is not good as 6GHz and other Android products. The RUs allocated in each client differs alot.  Is there any possibility that AX211 does not support 2.4GHz 40M-OFDMA well?

[IsaacQ_Intel]

Hello @ShengminZhou

Thank you for posting on the Intel️® communities. We would be more than glad to help you with your issue.

I will proceed to check the issue internally and post back soon with more details.

Best regards,

Isaac Q. 

Intel Customer Support Technician

[IsaacQ_Intel]

Hello @ShengminZhou

Thank you for your patience.

Compared with 6 GHz band, the 2.4 GHz network can be more noisy and interference to impact the performance. Can we know more about your performance issue?

1) What is your company? And please briefly describe their project and volume you plan to ship/purchase with the AX210

2) How are you measuring the throughput (e.g. iPerf, SpeedTest, Chariot) on 15 of AX211 clients? Do you measure in a RF chamber?

3) How do you set up the clients/wireless router to ensure the traffic is through the 2.4GHz 40MHz OFDMA ? How do you observe that the allocation of Resource Units (RUs) varies significantly among the AX211 clients?

4) The OS (Win10 or Win11) and system brand of these AX211 clients.

Best regards,

Isaac Q. 

Intel Customer Support Technician

[ShengminZhou]

Hello Isaac Q,

Thank you very much for the reply.

1) What is your company? And please briefly describe their project and volume you plan to ship/purchase with the AX210

--- Actually, this issue is found by one of our clients during their throughput test with desktops. The AX211 is attached in HP EliteBook 630 R9 (the brand of clients used in this issue).

2) How are you measuring the throughput (e.g. iPerf, SpeedTest, Chariot) on 15 of AX211 clients? Do you measure in a RF chamber?

----We used iperf to test 15 AX211 clients (HP EliteBook 630 R9) in the RF chamber lab. There is no any disturbance in 2.4GHz.

3) How do you set up the clients/wireless router to ensure the traffic is through the 2.4GHz 40MHz OFDMA ? How do you observe that the allocation of Resource Units (RUs) varies significantly among the AX211 clients?

----We have APs supported OFDMA features. Once the 15 terminals are connected to our AP, we can obtain the OFDMA capability set negotiated by the terminal through the logs on the AP. We have found that the Resource Units allocated differs alot even under the same driver version.

4) The OS (Win10 or Win11) and system brand of these AX211 clients.

---We used Win10 OS and the brand of 15 clients is HP EliteBook 630 R9.

Yours,

Shengmin.

[IsaacQ_Intel]

Hello @ShengminZhou

Thank you for your patience. Our team in charge still require more information, please provide us the following:

• Could you kindly provide the company name and provide your Corp email address?
• You mentioned that you "Specifically observed poor performance in 2.4GHz 40M compared to 6GHz", does this mean you compared to the AX211 on 6GHz 40MHz OFDMA?
• And what is the manufacturer and model name of the Access Point in use?
• Could you try to disable the Bluetooth device on the 15 STAs and check if performance improves?

Best regards,

Isaac Q. 

Intel Customer Support Technician

[IsaacQ_Intel]

Hello ShengminZhou,

We hope you are doing fine.

Were you able to check the previous post?

Let us know if you still need assistance.

Best regards,

Isaac Q. 

Intel Customer Support Technician

[Jocelyn_Intel]

Hello, @ShengminZhou  

I hope you are doing great. 

As we have not heard back from you, we will proceed to close this thread now. 

If you need any further assistance, please feel free to contact us back and submit a new question as this thread will no longer be monitored.  

Best regards,  

Jocelyn M.   

Intel Customer Support Technician.