I was watching something on my phone and turned off my WiFi so that cellular data could load it instead (which was quicker at the time). But if it can use both separately then why can’t my phone do both at once and load things faster?
In: Technology
It’s just not worth it.
Cellular data and the internet are totally separate systems as far as your phone is concerned.
Let’s assume we only want to improve download speed (ignoring upload speed because that’s usually slower anyway and not as much traffic passes that way)
So our phone sent out a request. The server receives it, and then it sends the requested packets back. Already, we hit the first complication. The packets need to be split up, so half come from cellular data, and the other half need to come through wifi. That means that we need to plan out two separate routes, so all the packets likely get sent to the same local server. Half then need to go to the cellular tower and half to your home and then they are transmitted through the air to your phone, and both groups of packets need to be accepted at the same time and reorganized.
And then, if one finishes, you still need to wait for the other to finish unless you can predict how much faster one will be than the other, which is basically impossible to do accurately. Why bother with the complications of using two systems at the same time when each system already works fine on its own?
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