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View Full Version : Feature improving CDR, CSSR, MOS and saving energy



phuc
2020-04-10, 09:51 PM
Hi Experts,
We applied feature Enhanced BCCH Power Consumption Optimization vendor HW for 100 sites 2G HW and this is result:


KPI OSS: CDR improving ~30%, CSSR improving ~20%. (file attached)
Energy saving: 3 KWh/site/day.


42573



KPI driving test:

+ MOS-2G improving 0.12 point from 3.69=>3.81.
+ CSSR-2G improving 100% from 97.37=>100%.
+ CDR-2G improving 61.81% from 2.7=>1.03%.
+ RxQual Sub improving 23.53% from 0.62=>0.47.
+ HO/Call improving 32% from 2.68=>1.81.



O

Technology

KPI

Before apply

After apply

%



Value

Total sample

Value

Total sample



1

2G Idle

Rxlev full (% good sample)

99.99

16,451

99.9

15,158

Same



2

2G Voice

Rxqual Sub (average)

0.62

14,890

0.47

13,265

-23.53



3

2G Voice

MOS-2G (average)

3.69

494

3.81

470

0.12



4

2G Voice

CSSR-2G

97.37

114

100.00

97

-100.00



5

2G Voice

CDR-2G

2.70

111

1.03

97

-61.86



6

2G Voice

HO/CALL

2.68

297

1.81

176

-32.19



7

2G Voice

HO attempt

298



178







8

2G Voice

SQI average

24.92

8,514

26.04

7,595

-4.50








Feature description:

The Enhanced BCCH Power Consumption Optimization feature reduces the transmit power of non-BCCH timeslots (timeslots 1 to 7) on the BCCH TRX. This feature provides the following functions:
Function 1: reducing the transmit power of idle timeslots among timeslots 1 to 7 on the BCCH TRX
Function 2: performing downlink power control on occupied timeslots among timeslots 1 to 7 on the BCCH TRX
42572


Parameter:



O
Parameter
Value


1
Power Derating Enabled
Yes


2
Power Derating Start Time
00:00:00


3
Power Derating End Time
23:59:59


4
Power Derating Range
40


5
Power Derating Active Channel Enabled
Yes


6
BCCH TRX NoBCCH TS PC Neighbor Cell HO CMP
2





Scripts for example:

For GBTS:
SET GCELLOTHEXT: IDTYPE=BYNAME, CELLNAME="ILY034872", MAINBCCHPWRDTEN=YES, MAINBCCHPWRDTSTIME=00&00, MAINBCCHPWRDTETIME=23&59, MAINBCCHPWRDTRANGE=40, MAINBCCHPWDTACTCHEN=YES;
MOD G2GNCELL:IDTYPE=BYNAME,SRC2GNCELLNAME="ILY034883",NBR2GNCELLNAME="ILY034872",NCELLPWRCOMPVALUE=2;


For eGBTS:
SET GLOCELLENERGYMGTPARA:GLOCELLID=11, MAINBCCHPWRDTEN=YES, MAINBCCHPWRDTSTIME=00&00&00, MAINBCCHPWRDTETIME=23&59&59, MAINBCCHPWRDTRANGE=40;
MOD G2GNCELL:IDTYPE=BYNAME,SRC2GNCELLNAME="ILYBB3394",NBR2GNCELLNAME="ILYBB3391",NCELLPWRCOMPVALUE=2;

kevin_h811
2020-04-10, 11:26 PM
hi Phuc,

Do you have the scripts for this.May apply to improve our 2G KPIs.

Br//

phuc
2020-04-11, 08:37 PM
hi Phuc,

Do you have the scripts for this.May apply to improve our 2G KPIs.

Br//

Hi,

Here are examples:

For GBTS:
SET GCELLOTHEXT: IDTYPE=BYNAME, CELLNAME="ILY034872", MAINBCCHPWRDTEN=YES, MAINBCCHPWRDTSTIME=00&00, MAINBCCHPWRDTETIME=23&59, MAINBCCHPWRDTRANGE=40, MAINBCCHPWDTACTCHEN=YES;
MOD G2GNCELL:IDTYPE=BYNAME,SRC2GNCELLNAME="ILY034883",NBR2GNCELLNAME="ILY034872",NCELLPWRCOMPVALUE=2;


For eGBTS:
SET GLOCELLENERGYMGTPARA:GLOCELLID=11, MAINBCCHPWRDTEN=YES, MAINBCCHPWRDTSTIME=00&00&00, MAINBCCHPWRDTETIME=23&59&59, MAINBCCHPWRDTRANGE=40;
MOD G2GNCELL:IDTYPE=BYNAME,SRC2GNCELLNAME="ILYBB3394",NBR2GNCELLNAME="ILYBB3391",NCELLPWRCOMPVALUE=2;



O
Parameter
Value


1
Power Derating Enabled
Yes


2
Power Derating Start Time
00:00:00


3
Power Derating End Time
23:59:59


4
Power Derating Range
40


5
Power Derating Active Channel Enabled
Yes


6
BCCH TRX NoBCCH TS PC Neighbor Cell HO CMP
2