Hi all,
just to clarify, results are ms. And stations are in IBSS mode.
BW 20 MHz: TCP 0.9ms UDP 1.1ms
BW 40 MHz: TCP 7.7ms UDP 1.3ms
BW 80 MHz: TCP 3.5ms UDP 1.3ms
Behavior with 40MHz and 80MHz channel bandwidth is really weird taking
into account there are no retransmissions. Anyone facing this kind of
problem?
Thanks,
Jose
On 04/29/2016 07:12 PM, Iñaki Pascual wrote:
Hi,
I am measuring TCP and UDP latency (actually RTT) and I am getting too
high values when working with channels with 40MHz (also with 80MHz)
width.
I am using hping3 for testing and these are the RTT avg values:
BW 20 MHz: TCP 0.9 UDP 1.1
BW 40 MHz: TCP 7.7 UDP 1.3
BW 80 MHz: TCP 3.5 UDP 1.3
I have tried different channels with similar results. According hping
there are no packet loss and with wireshark I don't see any
retransmission.
I am using:
driver: ath10k_pci
version: 4.2.0+
firmware-version: 10.1.467-ct-com-full-014-96d543
Any ideas?
Bests,
Iñaki
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COMNET Division Web: http://networks.cttc.cat
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