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What is the latency difference between 800, 1800 & 2600Mhz 4G
David_bl1
13-09-2015
Hello all,

On 4G I know throughput speeds are much lower using 800Mhz vs 1800Mhz, and in turn 1800Mhz has lower throughput than 2600Mhz.

Is there also a difference in latency? e.g. does 800 have higher ping times than 1800 or 2600?

Or is latency the same and it's just throughput that's lower due to the frequency band?

Normally I'd test this myself, but I don't have any access to 800 or 2600 Mhz 4G anywhere near where I live or work!

Best,

Dave
clewsy
13-09-2015
As I understand it, what your asking is going to be more based on the kit and the methods to get the data to the data centre and back.

I'm sure someone will give the technical answer which is probably 000000000.1% differece or something like that.
jonmorris
13-09-2015
And then there's the question about the next version of 4G that will start to be introduced next year (4.5G) which moves towards an eventual target of ping times of 1 or 2 milliseconds.
DevonBloke
13-09-2015
An educated guess would be......
Since the underlying tech is the same (LTE) and only the frequencies are different, assuming good fibre backhaul and no MW links I would have thought there would be little difference..
The Lord Lucan
13-09-2015
What Devon said basically.. Its a little more complicated than that but for the user. It doesn't matter.

As for Jon... umm doubt it could ever get that low unless your mast is within the datacenter that the network is co-loco'ed and the content you are asking for is also based in same building. Even being at one of the UK makes a big latency difference unless you are meaning handset to tower latency? Even then...
The Lord Lucan
14-09-2015
What Devon said basically.. Its a little more complicated than that but for the user. It doesn't matter.

As for Jon... umm doubt it could ever get that low unless your mast is within the datacenter that the network is co-loco'ed and the content you are asking for is also based in same building. Even being at one of the UK makes a big latency difference unless you are meaning handset to tower latency? Even then...
DevonBloke
14-09-2015
Yeah, it posted the first time..... hahahaha
Bloody technology. Never works properly!!!!
Thanks. Thought that made sense.
Sure there are probably many other variables (beyond my basic knowledge) but the actual frequency isn't going to make much of a difference.
As long as the Fibre is not swamped, the difference will be negligible.
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