On 2012-04-19 11:53 -0700, Ray Gibson wrote [email protected]:
Hi, we also expirince provlems with sr-71-A cards, it's sometime work, somtime
not, in
concusion after four weeks - after we try to see SWR - it's has SWR grath in
working
diapasone from 1.5 up to 5, somtime up to 7, different on every connector on
ethery
card. But, in this case we don't reach MCS 15, it's stay far away from it.
RG>Hello,
RG>
RG>Sorry for the cross post; I accidentally sent this to the openwrt devel list
RG>first...
RG>
RG>I've just spent the last few hours reading many threads in the archives from
RG>this list. I'm hoping someone may be able to help me, else I think I have a
RG>batch of bad radios.
RG>
RG>Summary: hardware is two identical routerstation pros running OpenWRT
RG>bleeding edge from 2012-03-14 (with a compat-wireless from february I
RG>believe). SR71-A (ath9k) radio in each.
RG>
RG>I'm bringing up the interfaces in each like this:
RG>
RG>iw phy0 interface add wlan0 type mp
RG>iw phy0 set channel 36 HT40+
RG>iw wlan0 set meshid TheMeshID
RG>ifconfig wlan0 up
RG>brctl addif br-lan wlan0
RG>
RG>Running iperf in either direction produces a range of 13-16 Mbits/sec when I
RG>can point to countless examples in the mailing list archives that show people
RG>getting significantly higher bandwidth.
RG>
RG>While pushing my test through, an `iw dev wlan0 station dump` on either node
RG>often shows the bitrates at:
RG>
RG>300.0 MBit/s MCS 15 40Mhz short GI
RG>
RG>I'm getting similar, if not poorer results on higher 5ghz channels (149+,
RG>157+). Am I horribly misconfiguring something or is it my hardware? My
RG>antennas are 3x3 panels spaced about 10 meters apart.
RG>
RG>Thanks for any insight, (and sorry for the footer, I can't turn it off)
RG>
RG>
C уважением With Best Regards
Георгиевский Юрий. Georgiewskiy Yuriy
+7 4872 711666 +7 4872 711666
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Компания ООО "Ай Ти Сервис" IT Service Ltd
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