Hello,
I had PPP running on FRDMK64-F with KSDK MQX and Cinterion BGS2-W modem (speeds around 2-3KB/s). I wanted higher speed so I bought Cinterion EHS5. It runs fine, but highest speed I can get is around 8KB/s
AT+CREG says I am connected to "UTRAN w/HSDPA and w/HSUPA", so I should be getting much higher speeds.
I tried 750kbps serial speed, but no change in transfer speed compared with 115200.
Does anybody have any idea where the slowdown can happen? I don't know if anybody has PPP running in KSDK MQX, may be someone also had this problem with MQX Classic.
I will be trying FreeRTOS + lwip PPP, but KSD MQX solution would be better for me since I have my project already finished in KSDK MQX
Thanks,
Martin
Hello,
sorry I've been away from this project (and communities) for some time (waiting for new real hw), I will be getting back to it on january, so for now, I haven't figured it out yet :smileysad:
Hello Martin,
I also encountered the same problem as you have. I still don't know why the speed of PPP on KSDK gets so slow. I'm using MK65 MCU connect to ublox 3G module. I also have another project using MK70 MCU connecting to the same 3G module with classic MCU 4.2, and the performance is much better. Have you discovered the reason?
Joseph Chen
Did you solve the problem?