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There is also aggressive power saving features in both 4g and 5g that make the UE sleep when there is no data (the connection can even sleep during the ping interval period, so its best to use ping -f). if you try to ping in sleep mode, the ue first has to wake up which adds considerable latency.

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It is silly to view ping as a single number.

The metrics that matter are: Min, Max, Average, Median, 25th percentile, 75th percentile

The same metrics need to be used to measure jitter.

Only then can you draw some pretty accurate conclusions about link quality.

This impacts ssh sessions too, you can set ServerAliveInterval N (/home/user/.ssh/config on the ssh client machine) to some reasonable number to keep it alive.

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