#VUT Dongle causing extreme lag with VBS (XRE)

44 messages · Page 1 of 1 (latest)

vagrant tendon
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Extreme lag, been experiencing lots recently, tried unplugging dongle to go wired, instantly flawless streaming, the moment I plug it back in, lag returns. I only use my XRE with the trackers so I need to find a fix ASAP.

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dongle is in headset btw

wanton bay
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Known bug sadly, the trackers talk to the headset on a 5Ghz frequency, while your headset is probably in 6 or 6e with your internet, which makes it switch between the 2 and create this "lag"

To use the trackers directly in the headset and still have connect wirelessly, you will need to set your connection to 5 Ghz

vagrant tendon
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I only have 5Ghz on my router, so I don't think that's it.

wanton bay
vagrant tendon
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for the most part, for me the bitrate is reduced dramatically but i dont get any errors

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i need to lower the bitrate to 20mbps to even navigate steamvr menus

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until i unplug the dongle that is

wanton bay
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ANd if you have the dongle but no trackers on, is it the same ?

vagrant tendon
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yes i think let me double check

wanton bay
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If it does the same without any tracker being turned on, then it is not a wifi problem indeed

Do you use a USB hub or splitter to connect the dongle to the headset ?

vagrant tendon
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I usually do

wanton bay
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Did you try without the hub to see if the problem is stil lthere ?

vagrant tendon
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I've been using it without the splitter while troubleshooting

wanton bay
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So you plug the dongle directly in the battery craddle without anything else connected to the headset, and you still have the problem ?
Actually, do you have the problem without PCVR also ?

vagrant tendon
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It only causes issues with streaming, standalone it works fine, steamvr on its own is fine

wanton bay
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And did you check while having all trackers turned off and just the dongle in the headset ?

vagrant tendon
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just got to it, streaming works great

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turned on one tracker and the issues reoccurs

wanton bay
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With that I am pretty sure this is a connexion issue as I said first
make sure there isnt a different connection on your router the headset is accessing

vagrant tendon
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i have a dedicated single band access point wired to my PC for VR streaming

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which is the only connection i have saved on my headset

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and the AP broadcasts its own unique SSID and all that so i know its not accessing a different AP

wanton bay
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The last test I could propose would be to go wired with a splitter and see if you have the same issue without wifi

But if you dont, then I do not have any other hint

vagrant tendon
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Still happens over USB

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turned off wifi on the headset to make sure

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this has been a reoccurring issue over the past few weeks, I have gotten it to work without lag in the past by restarting my headset, PC, and AP, but that doesnt seem to do anything anymore

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really confuses me that it doesnt seem to have anything to do with the network

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idk what can be done if it still happens over USB

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i hope i dont have to wait for a firmware update to release or something

wanton bay
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ok, the fact that it happens with USB proves its not wifi
Does the issue get progressively worse if you turn on more trackers ?

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Maybe @whole crypt can shed any light on this, I am out of ideas

I use the XRE myself with trackers, and over a Wifi 5 network it works fine
Did you try to up the bitrate, or set it to auto ? Since you had to set it so low

vagrant tendon
vagrant tendon
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resolution set to "Quality"

vagrant tendon
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I seem to have fixed the issue for now

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since the last time i experienced the lag, i have updated my graphics drivers (they were up to date when the issue last occurred), and detached and reattached the full face tracking module

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Ill post updates if I run into the issue again but I suspect the issue was related to the face tracking module

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probably related to the combination of the face tracker having some issue and the VUT's causing the headset to send additional tracking data to steamvr

wanton bay
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Glad that it seems solved, keep us updated 🙂

vagrant tendon
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Issue persists, my previous fix no longer works

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i used to be able to reconnect the face tracking module and the dongle and it would work fine, but now the lag continues after reconnecting everything

vagrant tendon
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at a loss for solutions, still havent seen anyone with the same issue

vagrant tendon
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after reviewing the below thread i have found another fix
https://forum.htc.com/topic/18428-focus3-with-ultimate-tracker-stuttering-in-pc-vr-streaming-session/
VIVE Forum
Focus3 with Ultimate tracker - stuttering in PC VR streaming session
As soon as I connect an Ultimate tracker to the Focus3 headset, the streaming performance indicator in Vive Business Streaming becames red, SteamVR's lobby starts stuttering. When I start a VR application SteamVR shows good refresh rate, but in the headset it is unusably slow. As soon as I switch...
manually setting the wifi channel to a less congested one on my router settings seems to have fixed the issue
will post updates if issue reoccurs

VIVE Forum
Focus3 with Ultimate tracker - stuttering in PC VR streaming session

As soon as I connect an Ultimate tracker to the Focus3 headset, the streaming performance indicator in Vive Business Streaming becames red, SteamVR's lobby starts stuttering. When I start a VR application SteamVR shows good refresh rate, but in the headset it is unusably slow. As soon as I switch...