LTE Capacity/Throughput Optimisation: How to improve capacity and data rates in LTE 

Great bro Please go deeply in troubleshooting and I already subscribed, keep going

Will definitely include them in the upcoming videos

Noted. Have tried to improve in the next videos

Welcome

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Hi Swapnil. The difference in data rate/speed is because of the network congestion. In the night time, there are fewer people using the cell site resources and therefore you can be allocated more resources and hence more speed/data rate. In the day time, the site which serves your area maybe having congestion and therefore less number of resources allocated to you and lower data rate. There are always backhaul data limits but they are in the range of Gigabits and terabits per second so should not be impacting user level data rate.

@@WinInk thanks for replying..and one more question...is 20mhz(band40) bandwidth is devided in all three sectors or each sector have 20mhz bandwidth?

20Mhz is for each sector for that particular band. There may be other bands on each sector with their respective bandwidth. All of this bandwidth per sector is then divided among the users.

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TTI utilization may not correctly reflect if all PRB are being allocated within that TTI which means it will not reflect how much of the full capacity is being used

I try to keep it vendor free and focus on the concepts. If you have clear understanding, parameters are very easy to manage :)

@@WinInk much appreciated for that But it's a request from our end , please provide some insight on vender parameters also .

In case of SPS or any case of persistent scheduling, the scheduler algos of MCS are bypassed and specific RB resources are allocated irrespective of the radio conditions, This is the case in VoLTE. I hope it made it clear. Thanks

WinInk Thanks for the reply .. But u mean in VOIP SPS is not used ? Please also guide that BLER target are also maintained by EnodeB through specific algos to maintain BLER target. is this can also be a factor for taking high utilization . E.g in some cases I have seen high Mcs causing high BLER which seems confusing.?

I mean to say that SPS is indeed used. I will make a separate video on BLER

WinInk ok sure Thanks for the replies .👍

Hi Zahoor. if possible, can you rephrase the question. Are you referring to good SINR and low throughput?

@@WinInk G Sir Exact .....In Field Drive This Issue Face me Frequently..And Thanx For such a nice lecture salute sir..

Ok. This may happen if there is congestion or a capacity constraint. Throughput also has a direct relationship with the channel bandwidth. So if the bandwidth is small, throughput is likely to be low.

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