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Member
Reputation: 50
Increasing RlMaxDlPwr impact ?
Dear experts,
Trying to improve AMR CDR, we propose to increase RlMaxDlPwr (0-->30) for AMR 12.2 ?
I am wondering what could be the impact of this change. Does it affect HSDPA thpt ? How to judge that?
Could you simplify the power distribution between different service and priorities (HSDPA, CPICH, DPDCH, R99 PS and CS)?
BR
Fahmi
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2015-02-13 01:33 AM
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Re: Increasing RlMaxDlPwr impact ?
Originally Posted by
fahmi
Dear experts,
Trying to improve AMR CDR, we propose to increase RlMaxDlPwr (0-->30) for AMR 12.2 ?
I am wondering what could be the impact of this change. Does it affect HSDPA thpt ? How to judge that?
Could you simplify the power distribution between different service and priorities (HSDPA, CPICH, DPDCH, R99 PS and CS)?
BR
Fahmi
Hi,
By this change you are utilizing ur MCPA PWR more to maintain Ue RL with higher power. There is risk of HSDPA Thr degradation if in network PWR is bottleneck . After the change check power utilization and rise of DL Pwr Adm trigger.
Cheers
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Member
Reputation: 50
Re: Increasing RlMaxDlPwr impact ?
Originally Posted by
electron
Hi,
By this change you are utilizing ur MCPA PWR more to maintain Ue RL with higher power. There is risk of HSDPA Thr degradation if in network PWR is bottleneck . After the change check power utilization and rise of DL Pwr Adm trigger.
Cheers
Dear electron,
Could plz explain how to check power usage and how to rise DL Pwr Adm trigger and why ?
BR
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Member
Reputation: 54
1 out of 1 members found this post helpful.
Re: Increasing RlMaxDlPwr impact ?
Hi Fahmi,
increasing max power is very effective, you will get big improvement, but i have suggestion here.
usually AMR drops happen when you have multi-Rab, so try to have RlMaxDlPwr (0-->30 for AMR12.2+3.7 = 15.9Kbps. it will have exceptionally good improvement.
Regarding your query for power consumption, you need to go to RBS level counters which will give you PA utilization for R99 & HS separately.
but max power will be used if you have RL really suffering and unable to maintain SIR, so over all there will be minor impact in your throughput.
Good luck and share your results.
BR//
Imran
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Post Thanks - 1 Thanks
beniy thanked for this post
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Junior Member
Reputation: 12
Re: Increasing RlMaxDlPwr impact ?
Keep in mind that by default Voice has higher priority than HSDPA service for power allocation
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Senior Member
Reputation: 491
Re: Increasing RlMaxDlPwr impact ?
Originally Posted by
fahmi
Dear experts,
Trying to improve AMR CDR, we propose to increase RlMaxDlPwr (0-->30) for AMR 12.2 ?
I am wondering what could be the impact of this change. Does it affect HSDPA thpt ? How to judge that?
Could you simplify the power distribution between different service and priorities (HSDPA, CPICH, DPDCH, R99 PS and CS)?
BR
Fahmi
Dear Fahmi,
Could you please share with the result of changing above mentioned parameter !
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Member
Reputation: 156
Re: Increasing RlMaxDlPwr impact ?
Hi,
Increasing RlMaxDlPwr (0-->30) for AMR 12.2 will improve CS DCR but on the other end it will increase power congestion and limit the capacity of your network (especially if your CPICH>= 10%). Also it will impact HS throughput (less power is now available for HS), increase CS IRAT attempts and increase in poor EcNo samples (can be checked by MRs distribution in BH before and after). RTWP might also increase (overall noise rise).
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Post Thanks - 2 Thanks
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Senior Member
Reputation: 491
Re: Increasing RlMaxDlPwr impact ?
Originally Posted by
faisaladeem
Hi,
Increasing RlMaxDlPwr (0-->30) for AMR 12.2 will improve CS DCR but on the other end it will increase power congestion and limit the capacity of your network (especially if your CPICH>= 10%). Also it will impact HS throughput (less power is now available for HS), increase CS IRAT attempts and increase in poor EcNo samples (can be checked by MRs distribution in BH before and after). RTWP might also increase (overall noise rise).
Good explanation,
so do you know other parameters that could improve CS DCR without the other negative impacts
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