On 11 January 2012 10:55, Helmut Schaa <[email protected]> wrote: > On Tue, Jan 10, 2012 at 11:06 PM, Roman Yeryomin <[email protected]> > wrote: >> I just faced the same issue - changing HT20 to HT40+/- doesn't give >> anything but this error: >> >> 20/40 MHz operation not permitted on channel pri=1 sec=5 based on >> overlapping BSSes >> >> This message appears whenever which channel I use in HT40 mode. >> `iw dev wlan0 station dump' reports 130 Mbit/s and real data transfer >> speed stays the same (about 5 MB/s average) both in HT20 and HT40 >> mode. >> >> I went a bit futher and tested another openwrt based firmware - fonera >> - with ralink driver. Although connect speed was reported the same >> (130Mbit/s) actual transfer speed was much faster - about 7.5 - 8 >> MB/s. The main configuration difference I noticed is that you can set >> 802.11n only mode in fonera. >> >> So is it an opensource driver issue with HT modes or inability to set >> 802.11n only mode? > > Not sure how much difference 11n-only would make but rt2x00 might > not yet be as advanced as the original ralink drivers are. > > However, in my testing I can get up to 60Mbps (=7-8MB/s) under good > channel conditions without running 11n only mode using HT20 (and with > a number of pending patches applied). Haven't done much testing with > HT40 though ... >
Nice! Where can I get those patches to test? Thanks, Roman _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
