[OT] .::The Official 3G/4G LTE Thread::.

Which 3G/4G is going best so far?


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shaheerk

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Feb 5, 2013
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I think the highest upload speeds I've seen online, for 4G, are in the ballpark of 40 and 50Mbps, something Jazz also manages to attain because that's the maximum real world upload speed you can get on 20Mhz (and 4G supports a maximum single chunk of 20Mhz - anything extra, and you need aggregation, but only the first carrier's spectrum is used).

So for example, if it's 5+20Mhz, you'll get 25Mhz for downloads but only 5Mhz for uploads.
If the phone reports as 20+5, you'll still get 25Mhz for downloads but now, 20Mhz for uploads.

Depends which band your phone latches on to as the primary band, until it either switches it around or you do some mumbo jumbo.

Also, it's not in any operator's interest to focus on upload speeds - everyone measures performance from download speeds.
 

shaheerk

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Feb 5, 2013
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That's really good. I guess you were on their 20Mhz spectrum with those upload speeds.
But also, the speedtest conducted in the first screenshot and the second screenshot show different times of the day (and hence, congestion and other things).
 
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shaheerk

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Feb 5, 2013
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Does it make a difference to the Vowifi calls if the bandwidth is 10Mhz or 20Mhz?

View attachment 96967
View attachment 96968
Nopes. No effect. Calls don't really take a lot of spectrum anyway (unlike data).

Phone operators prioritize voice calls (IMS channels) over data using QoS. You can have zero functional data but voice calls would work (I see this with Jazz in my part of Bahria - zero functional data but calls still go through on my mum's phone, which supports VoLTE from some rando Realmi brand)
 
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zafarabbasrizvi

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