Dear all,I have OpenWrt Backfire (10.03.1, r29592), with kernel 2.6.32.27 and as wireless drivers ath9k. My problem is that I have been observing very erratic behaviours in the wireless link. Please, look at the graphic attached, the output corresponds to the wireless real-time graphs in Openwrt. The upper part is the RSSI received in the wireless router (I presume), as you can see is fairly constant. The lower graph is the actual rate that the router uses to send packets to my laptop over Wi-Fi. It is completely shaky oscillating from 54Mbps down to 6Mbps.
Has someone experienced similar problems? The reason may be due to an unstable link adaptation algorithm being used in ath9k, does any one know if it is possible to select a different algorithm? It could also be that the link between the router and my laptop is unstable, but I doubt that as the reverse direction seems very stable (upper graph).
Any help is appreciated. Cheers Daniel
<<attachment: Screenshot from 2012-09-18 22:44:00.png>>
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