Hello,
I have a sector antenna PTMP with a NetMetal and 16 clients connected with signals betwenn -45/-48 and -60/-65 both tx and rx.
If the PTMP doesn’t receive so much, a client can do up to 70Mbps download.
If I have a client that makes 10Mbps upload to that PTMP, the download of the other client drops from 70M to 5M.
How can I avoid this?
I’ve already tried dynamic-downlink to 80% but no difference.
With protocol NV2?
Clients have what antenna?
CCQ is good?
Nv2
First client (70Mbps download one) has got LDF 5 ac with 40cm parabolic antenna, signal -51/-50, CCQ 85/87% with 99% tx/rx while doing traffic.
Second client (10Mbps upload that is causing the problem) has got SXTsq5, signal -45/-43, CCQ 50/74% while doing traffic.
I would be very tempted to install an additional piece of hardware to serve this client on their own link leaving your large sector for the others.
It’s that upload with TDMA that is affecting you. I doubt there is very little you can do to mitigate it doing this other than splitting the load.
I know that it would be the best choice, but one of my dreams is a tdma that, if someone is downloading/uploading too much and someone else wants to download/upload, tdma reduces time slots for the first and gives them to the others.
I dream a Robin Hood tdma.
Your problem is ARM processor + NV2 protocol. It hurts thousands of people, but Mikrotik does not solve it 
See: http://forum.mikrotik.com/t/arm-devices-and-nv2-protocol/120717/1
Even if I use NetMetal as AP? I’m using LDF 5 ac as CPE for tests, but NetMetal isn’t arm.
By the way this arm issue it’s probably solved in 6.44 beta
No solved is a random reboot on arm WiFi and not Arm NV2 problems, this issue is unsolved for 11 month
Even with a fully implemented and well working TDMA I would not expect you to be able to manage a 10Mb upload from one client whilst still providing anywhere near 70Mb to the others as download.
For the cost of a single CPE it’s worth keeping your 16 customers happy so 1 doesn’t ruin the experience for everyone. Also gives room to up sell 10Mb customer on upload and pay off your CPE faster!
A while back ratio feature was added to give priority to up or download
See: http://forum.mikrotik.com/t/significant-improvement-for-wireless-nv2-ptmp/117680/1
Already tried with no difference.
I don’t expect 70Mbps, but at least 20, not 5.
It’s normal that the 10Mbps upload client has always time slots to transmit?