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Yes, that sort of jerky behavior is symptomatic of bufferbloat. Multiple 4G and 5G devices have now been measured as having up 1.6 seconds of buffering in them. They are terribly bloated. It was my hope that the algorithms we used to fix wifi ( https://www.usenix.org/system/files/conference/atc17/atc17-h... ) - where we cut latency under load by 25x and sped up performance with a slow station present by 2.5x - would begin to be applied against the bufferbloat problem there. Recently google published how much the fq_codel and ATF algorithms improved their wifi stack, here:

http://flent-newark.bufferbloat.net/~d/Airtime%20based%20que...

Ericson, at least, published a paper showing they recognized the problem: https://www.ericsson.com/en/ericsson-technology-review/archi...

and I do hope that shows up in something, however the chipsets on the handsets themselves also need rational buffer management.




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