Hi,
I also have same observations. Rx rate is not getting updated in iw station
dump command
with firmware version 10.2.4.70.66.Data Throughput is also degraded by 30Mbps
with this
version.My measure throughput was 180Mbps with firmware-5.bin_25_2.1 for HT40
mode(2x2).
Sometimes I can see 1 SS in station dump while my radio is 2x2.Is there any
speed
difference for the FW version 10.2.4.70.66?
Please see my AP configuration below:
root@CDOT-BBWT:/cdot/bin# iw wlan0 info
Interface wlan0
ifindex 16
wdev 0x3
addr 04:f0:21:1d:77:66
ssid CDOT-WIFI-TS
type AP
wiphy 0
channel 149 (5745 MHz), width: 40 MHz, center1: 5755 MHz
txpower 20.00 dBm
root@CDOT-BBWT:/cdot/bin#
root@CDOT-BBWT:/cdot/bin#
root@CDOT-BBWT:/cdot/bin# iw wlan0 station dump
Station 88:78:73:d2:ea:92 (on wlan0)
inactive time: 12380 ms
rx bytes: 708
rx packets: 12
tx bytes: 352
tx packets: 4
tx retries: 0
tx failed: 1
signal: -40 [-46, -45] dBm
signal avg: -41 [-46, -44] dBm
tx bitrate: 6.0 MBit/s
rx bitrate: 6.0 MBit/s
authorized: yes
authenticated: yes
preamble: long
WMM/WME:yes
MFP:no
TDLS peer: no
connected time: 43 seconds
Thanks & Regards,
Kavita
On Fri, 26 Jan 2018 22:58:43 -0500, Nikolay Martynov wrote
> Hi.
>
> I've got some observation about firmware version and speed that I
> would like to share.
> I have tp-link archer c5 with 'ath10k_pci :01:00.0: qca988x
> hw2.0 target 0x4100016c chip_id 0x043202ff sub :' running
> Openwrt.
>
> When I use firmware version 10.2.4.70.63-2 I get modulation speeds
> about twice as large as with other firmware versions. I've also tried
> 10.2.4.70.66 and firmware-5.bin_10.2.4-1.0-00033 and one that was
> Openwrt/Lede stock before that - all show performance noticeably worse
> than 10.2.4.70.63-2.
> In fact if my laptop stands on my desk (some distance away from AP)
> and I use 10.2.4.70.63-2 I get stable 2 spacial stream reception, if I
> use other versions mentioned above I usually get one 1 special stream
> as shown by 'iw' command on a client.
>
> I'm not sure if that observation if helpful or not, but since it
> looks like newer FW versions have worse performance I thought I should
> share it.
>
> Please let me know if I can provide any more information.
>
> --
> Martynov Nikolay.
> Email: mar.ko...@gmail.com
>
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Thanks & Regards,
कविता माथुर Kavita Mathur
वरिष्ठ अनुसंधान अभियंता Senior Research Engineer
सी-डॉट C-DOT
इलैक्ट्रॉनिक्स सिटी फेज़ I Electronics City Phase I
होसूर रोड, बेंगलूरु Hosur Road, Bengaluru – 560100
फोन Ph 080-28529896
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