MM8108-EKH05 out-of-box test with 0.1Mbps Rx speed

General
1

Hello,

I am testing MM8108-EHK05 with HaLowLink1 as described in MM8108-EKH05-User-Guide.pdf.

“HaLow_example_spi” project is build successfully and downloaded OK.

  • HalowLink1 finds well the MM8108-EHK05
  • MM8108-EHK05 http page opens fine
  • MM8108-EHK05 camera image updates in several ~ over 10 seconds
  • iperf performance about 1kbps
  • HalowLink1 Network-Wireless page shows ‘Rx Rate’ changes between 0.7Mbps~30Mbps while ‘Tx Rate’ maintains 32.5Mbps

I believe that the parameters are set exactly same as user guide.

What should I do to see the proper data rate with the evaluation board ?

Any help will be appreciated.

HalowLink1_EKH05_test1
HalowLink1_EKH05_test11182×898 276 KB

Thank you,

Tae-Han

2

I believe the reported RX rate is based on the frequency + MCS rate (2MHz, MCS0). Normally this means you just need to send some traffic from the STA to the AP, so that the MCS rate can climb and the reported rate increases.

However, you have reported that the iperf results showed 1kbps which is concerningly low.

Can you confirm the MM IOT CMSIS pack version you are using?

3

Hello, Idennis,

The installed version is “MorseMicro.MM_IoT.1.9.0” .

I followed the “MM8108-EKH05 User Guide - v3” document in installation.

The "HaLow_example_spi“ example on MM8108-EKH05 with HalowLink1 shows

very slow camera image update in aound 10 seconds or more. Is this normal ?

Thank you for your reply,

Tae-Han

4

Hi Tae-Han

The EKH05 publishes an image approximately every 3s, an update of 10s seems very slow.
Can you please describe your setup for us?
Have you followed the steps in Section 8.2?

Is your iperf performance the same in both directions or is it asymmetric?
Have you tried running the iperf example from the mm-iot-sdk?

5

Hi, SHall,

I believe that I followed the steps in Section 8.2 of "MM8108-EKH05-User-Guide.pdf“.

I could not test the cabled connection and I will try it when I get the proper attenuator.

As far as I know, there are only 2 projects in MorseMicro.MM_IoT.1.9.0.pack.

  • HaLow_example_sdio
  • HaLow_example_spi

In the mm-iot-sdk-2.11.2, I coud find the following;

  • mm-iot-sdk-2.11.2\examples\iperf\targets\mm-mm8108-ekh05

I will test the above example and will come back with the result.

Thank you so much,

Tae-Han