Throughput vs. ACK Timeout/Distance (MT-UBNT)
I wanted to share some interesting elements that I have noticed on a 27 kilometers link recently installed by myself.
Summary: PTP link | Master - MT 433 (6.0rc9) with XR2, Slave - UBNT Bullet2HP (XS2.ar2316.v18.104.22.16896.120423.0955) | 802.11b | signal Tx/Rx -68/-67 dBm | noise floor -99dBm | signal to noise 30 dB
1. At the beginning, I established a fixed ACK Timeout/Distance on both side with 27 kilometers and I was having a ~ 3.5 Mbps throughput rate. However, after selecting dynamics on the MT unit and activating the auto adjust on the UBNT unit, my rate has improve immediately to 7.2 Mbps.
2. I also noticed that during no data transfer, my Rx/Tx CCQ is ~33/100% but when I start transmitting it goes up to 100/100%. (?)