UMTS Radio Network Site Clusters Optimization Report(Template)

UMTS Radio Network Site Clusters Optimization Report

Catalog 1

Overview Overview of Site Cluster Cluster Optimizati Optimization... on........ .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .............. ................... ............6 ..6 1.1

Objectives Objectives of Site Cluster Optimization Optimization..... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ........... ............... ................... ...........6 .6

1.2

Division Division Principles Principles of Site Clusters....... Clusters............ .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... .......... ......... ......... ............. ................. ...............6 ......6

1.3

Optimizatio Optimization n Tools of Site Clusters....... Clusters........... ......... .......... .......... ......... ......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ............... .................. ........ 

2

Descript Description ion of Site Clusters Clusters XX........ XX............. .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... .............. .........8 8

3

Descript Description ion of the Opt Optimiza imization tion of Site Cluster Cluster XX......... XX.............. .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... ............ ..........9 ...9

3.1

Selection Selection of Drive Test !outes.... !outes......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .............. ........." "

3.2

Descriptio Description n of #ajor Optimization Optimization #et$o%...... #et$o%........... .......... .......... ......... ......... .......... .......... .......... .......... .......... .......... ........... ............... ................... .........." "

3.3

Optimizatio Optimization n !esult.... !esult......... .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .......... .......... .......... .......... .......... .....1& 1&

4

KP !esting esting "esult "esult #nal$sis.. #nal$sis....... .......... .......... ......... ......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ............ .............. .......%2 %2

'.1

(etwor) (etwor) Covera*e. Covera*e...... .......... .......... .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .......... .......... .......... .......... .....12 12

'.2

S$ort +oice Call....................................... Call.............................................................. .............................................. ............................................. ..........................................12 ....................12 '.'.1

Pa*in* Pa*in* ,stablis$m ,stablis$ment ent Dela-.... Dela-......... .......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .......... ......... ......... .......... .......... .......... .......... ............ .......13 13

'.'.2

Pa*in* Pa*in* ailure ailure /nal-sis... /nal-sis........ .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ......... ......... .......... .......... .......... .......... ........... ............. .......13 13

'.0 on* +oice Call......................................... Call................................................................ .............................................. .............................................. .............................................1' ......................1'

4.5.1

, !SCP................................... !SCP......................................................... ............................................. .............................................. ...............................................1' ........................1'

4.5.2

, ,c4o................................... ,c4o.......................................................... ............................................. ............................................. ............................................ ..................... ....10

4.5.3

, T5 Power............................... Power...................................................... ............................................. ............................................. ....................................... ................ ......10

4.5.4

est Service Cell.......................................... Cell................................................................. .............................................. .......................................... ................... ........16

4.5.5

D ,!....................................... ,!.............................................................. ............................................. ............................................. ...........................................16 ....................16

4.5.6

on* Call Drop /nal-sis........................................................ /nal-sis............................................................................... ...............................................1 ........................1

'.6 PDP Conte5t /ctivation................................. /ctivation........................................................ .............................................. ...............................................................1 ........................................1 '. !"" PS127 TP Downloa%.......................................... Downloa%................................................................. .............................................. .............................................. ....................... ...17 '..1

!C T$rou*$pu T$rou*$put.... t......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......1 ..17 7

'..2

, T5 Power.... Power......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .............. ................... .............17 ...17

'.7 !"" PS6' TP ploa%................................................ ploa%....................................................................... .............................................. ..................................................17 ...........................17

4.8.1

!C T$rou*$put.................................. T$rou*$put......................................................... .............................................. .............................................. ....................................1 .............17 7

4.8.2

, T5 Power............................... Power...................................................... ............................................. ............................................. ....................................... ................ ......17

'." 8SDP/................. 8SDP/........................................ .............................................. .............................................. .............................................. ...........................................................17 ....................................17

4.9.1

8SDP/ 8SDP/ T$rou*$put.................................. T$rou*$put......................................................... .............................................. .............................................. ...............................17 ........17

4.9.2

, T5 Power.........................................................................................................................17

4.9.3

C94............................................................................................................................... .........17

'.1& 8SP/...............................................................................................................................................17

4.10.1 8SP/ T$rou*$put...............................................................................................................1" 4.10.2 , T5 Power.........................................................................................................................1" &

#nal$sis an' "ecommen'e' Solutions for "esi'ual Pro(lems

Optional

.............................2)

0.1

:ea) Covera*e of /rea ;;............................................................................................................2&

0.2

Call Drop Spots of /rea ;;...........................................................................................................2&

*

Conclusion...........................................................................................................................................2%



/ppen%ices...........................................................................................................................................22

i*ures i* 2<1 Site %istribution.............................................................................................................................7 i* 3<1 DT route of site Cluster 55............................................................................................................" i* '<1 CP4C8 !SCP %istribution...........................................................................................................12 i* '<2 CP4C8 ,c4o %istribution............................................................................................................12 i* '<3 Pa*in* failure spots %istribution.................................................................................................13 i* '<' , !SCP %istribution.................................................................................................................1' i* '<0 , !SCP.....................................................................................................................................10 i* '<6 est service cell b- ,c4o............................................................................................................16 i* '< Call %rop %istribution..................................................................................................................1

Tables Table 1<1 Optimization tool list................................................................................................................. Table 3<1 =P4 optimization result of site Clusters 55.............................................................................1& Table '<1 S$ort voice call statistics.........................................................................................................12 Table '<2 , !SCP.................................................................................................................................1' Table <1 Table of site information.........................................................................................................22 Table <2 Table of networ) ra%io parameters..........................................................................................22 Table <3 Table of testin* o* files table................................................................................................22

1 Overview of Site Cluster Optimization 1.1 Objetives of Site Cluster Optimization To facilitate fast networ) construction> networ) construction an% optimization are usuall- carrie% out simultaneousl- in or%er to arran*e project resources effectivel- an% to meet t$e %ea%line of t$e project. or comparativel- lar*e networ)> site Cluster  optimization becomes more important. suall- site Cluster optimization starts ri*$t after sin*le site optimization. /fter  acceptance c$ec) of site Cluster optimization> come t$e optimization wit$in !(C an% afterwar%s t$e optimization of t$e *lobal networ). T$e objective of site Cluster  optimization is to ensure favorable covera*e an% service performance in %ifferent Clusters an% to la- a *oo% foun%ation for upper level of optimization.

1.! "ivision #riniples of Site Clusters Ta)in* objectives an% project mana*ement of site Clusters into consi%eration> site Cluster %ivision s$all observe t$e followin* principles? 

Site Cluster s$all inclu%e sites *eo*rap$icall- a%jacent. T$e %imension of t$e site Cluster s$all be set base% on t$e %ensit- of site %istribution. @enerall- itAs appropriate to finis$ t$e %rive tests of one Cluster in one %a-> t$e reference value is set to be wit$in t$e ran*e 10 B '&.



Sites in one Cluster s$all s$are similar terrain features> suc$ as %ense urban> mean urban.



/%jacent site Clusters s$all $ave overlappin* areas in view of $an%over an% interference on t$e bor%er an% optimization in !(C.



Sites in t$e Cluster s$all be able to provi%e continuous covera*e> t$at is> 7& B "& sites in t$e Cluster s$all $ave performe% commissionin*> ot$erwise optimization of t$e Cluster ma- be affecte% b- t$e commissionin* of new sites.



4f t$ere is obvious terrain t-pe in t$e covera*e areas> suc$ as mountains an% waters> it can be use% as t$e bor%er between Clusters.

/fter %ivision of site Clusters> Cluster optimization is performe% focusin* on covera*e> a%jacent cells> an% parameters. Covera*e optimization $as wi%e connotations inclu%in* optimization of poor covera*e> overs$ootin*> pilot pollution an% e5terior pollution. /%jacent cell optimization mainl- tar*ets at t$e missin* a%jacent cells> one $an%over reselection parameter> power confi*uration parameter an% ot$er 

!!# parameters an% b- parameter a%justment> networ) performance can reac$ t$e e5pecte% objective. Owin* to %ifferent *eo*rap$ic an% traffic %istribution features of  %ifferent site Clusters> parameters of %ifferent site Cluster ma- *o t$rou*$ specific a%justment to trul- reflect t$e practical environment base% on t$e %efault ra%io  parameter template.

1.$ Optimization Tools of Site Clusters Table Overview of Site Cluster Optimization<1 Optimization tool list Testin* Device

#o%el

Software +ersion

Serial (o. 3030662

,

222112211

T, 707

1112112222 1212222222

Data car%

T, #632

3223'''''

@PS

8olu5 @!<213u

2222231113

Scanner 

PCT, ; Scanner

212''00001

Dell 63&

2121212'''

Portable computer  Testin* software /nal-sis %ata

;POS C(T

+7.&.3

;POS C(/

+7.&.3

! "esription of Site Clusters %% T$e report inclu%es t$e %escription of t$e optimization of site Cluster -- in !(C 55 in t$e networ) of operator 55> site Cluster -- is locate% at %istrict 55 belon*in* to %ense urban an% $as lar*e traffic volume. T$ere is 5 number of sites in t$e Cluster wit$ 55 site interval> an% t$e *eo*rap$ic %istribution is s$own below. 4n t$ese sites> e5cept 55 an% --> ot$ers are all commissione%. Pleaser refer to appen%i5 /1 for t$e parameters of  sites before t$e optimization

i* Description of Site Clusters ;;<1 Site %istribution

$ "esription of t&e Optimization of Site Cluster %% $.1 Seletion of "rive Test Routes :$en selectin* DT routes> please observe t$e followin* principles? 

!outes s$all inclu%e major roa%s an% t-pical terrain t-pes in t$e ClusterE



!outes s$all *o t$rou*$ t$e main covera*e area of site Clusters.



!outes s$all pass t$rou*$ t$e overlappin* areas of a%jacent site Clusters.



Positive pat$ test an% opposite pat$ test s$all be combine% in t$e %rive test.

DT route of site Cluster 55 is s$own below?

i* Description of t$e Optimization of Site Cluster ;;<2 DT route of site Cluster 55

$.! "esription of Major Optimization Met&od 4n accor%ance wit$ t$e optimization concept of covera*e> a%jacent cells an%  parameters> optimization wor) of site Clusters contains t$e followin* content? 

se freFuenc- sweeper to ma)e tests of covera*e in t$e Cluster to *uarantee t$at !SCP an% ,c4o reac$ t$e %esi*n value an% t$e networ) provi%es favorable covera*eE



,ac$ cell $as %istinct main covera*e area> overs$ootin* an% pilot pollution are re%uce% to t$e minimum w$ic$ la-s a *oo% foun%ation for afterwar%s service Fualit- improvementE



#a)e %rive tests to locate t$e problem in t$e fee%ers an% antennas> for e5ample t$e cross connection of fee%ers.



#a)e %rive tests to locate missin* nei*$bor> one
T$e above an% a%justment of fee%ers an% antennas are freFuent in t$is p$ase.

/fter t$e problems relatin* to networ) covera*e an% nei*$borin* cells are solve%> use testin* , to ma)e tests relatin* to services in or%er to ac$ieve t$e anticipate% =P4s. T$e =P4s inclu%e CS PS service access rate> access %ela-> $an%over success rate> call %rop rate> an% PS service %ownloa%in* rateGinclu%in* 8SP/H etc. #a)e anal-sis of t$e  problem an% solve t$em consecutivel-. T$e primar- means in service optimization  p$ase is to a%just ra%io parameters to ac$ieve t$e best result.

$.$ Optimization Result /fter optimization for 55 GtimeH> site Cluster 55 reac$es e5pecte% optimization tar*et> an% networ) covera*e rate reac$es "7 Gt$e %efinition is t$e occupanc- of points w$ic$ !SCPI55 an% ,c4oI55 in sample points of t$e %rive testH an% =P4s of major  services also reac$ t$e %esire% tar*et. Please refer to t$e followin* table for specific %escriptions.

Table Description of t$e Optimization of Site Cluster ;;<2 =P4 optimization result of site Clusters 55 =P4

Optimization Tar*et

CP4C8 !SCP CP4C8 ,c4o

J<"0%m

J70

J<11%

J70

#in 

J"7

ormula

Ori*inal Data

GnbrKofKsamplesK!SCPIL<"0%mH

''&&

GtotKnbrKofKsamplesK!SCPH

''&&

GnbrKofKsamplesK,c4oIL<11%H

'330

GtotKnbrKofKsamplesK,c4oH

''&&

GnbrKofKsuccessfulKvoiceKcallKsetupH

2'3

GnbrKofKvoiceKcallKattempH

2'&

/vera*eGvoiceKcallKsetupK%ela-H

(/

GnbrKofKvoiceKcallK%ropH

'

GcallK%urationKtimeH"&sec

G03"".0"&H

GnbrKofKPDPKconte5tKactivationKacceptH

2"6

GnbrKofKPDPKconte5tKactivationKreFuestH

2"6

/vera*eGPDPKactivationK%ela-H

Optimizatio n !esult

Pass

1&&

M,S

"7.0

M,S

"7.

M,S

0.3

M,S

6.6

(O

1&&.&&

M,S

(/

1.&

M,S

 (/

3'&.'2)bps

M,S

 (/

10.72)bps

(O

 (/

270.73)bps

M,S

+oice call setup success rate +oice call setup

/v* Time

time +oice call %rop rate

Ns

#a5 

N2

#in 

IL""

PDP activation successful rate PDP activation %elaPS

127)  

TP D PS

6')  

TP  8SDP/ TP

/v* Time /v* T$rou*$put /v* T$rou*$put /v* T$rou*$put

QL2s

27&)bps

27&)bps  Better  than NSN 

/vera*eG%ownloa%e%K%ataK)bit %ataKsessionK%urationH /vera*eG%ownloa%e%K%ataK)bit %ataKsessionK%urationH /vera*eG%ownloa%e%K%ataK)bit %ataKsessionK%urationH

8SP/ TP

/v* T$rou*$put

 Better  than NSN 

/vera*eG%ownloa%e%K%ataK)bit %ataKsessionK%urationH

 (/

70".2')bps

M,S

' (#) Testin* Result +nal,sis '.1 Network Covera*e @enerall- t$ere s$all be pilot !SCP an% pilot ,c4o> an% ot$er fi*ures can be a%%e% accor%in* to practical situation an% user reFuirements. @eo*rap$ic %istribution of pilot !SCP an% ,c4o are s$own as i*ure 55 an% 55> an% ran*e %istribution an% accumulation %istribution are s$own as i*ure 55 an% 55. @eo*rap$ic %istribution of networ) covera*e rate is s$own as i*ure 55 Gbase% on specific reFuirements an% t$res$ol% stipulate% b- t$e contractH. rom t$e fi*ure> we can see "7 of t$e networ) $as !SCP more t$an 55> ,c4o more t$an 55> an% networ)  ac$ieves favorable covera*e. rom t$e %istribution fi*ure 55 of primar- scramblin* co%es> we can see ever- cell in t$e networ) $as %istinct covera*e area an% pilot  pollution is well un%er control wit$out occurrences of overs$ootin*. Please refer to t$e appen%ices for le*en%s an% t$e appen%ices s$all be %elete% in t$e official report.

i* =P4 Testin* !esult /nal-sis<3 CP4C8 !SCP %istribution

i* =P4 Testin* !esult /nal-sis<' CP4C8 ,c4o %istribution

'.! S&ort -oie Call Table =P4 Testin* !esult /nal-sis<3 S$ort voice call statistics  (o.

1

2 3

(#) RRC Connect Success Rate Soft Handove Success Rate Call Setup Success Rate

Startin* vent Call attempt

 !ct"ve Set #pdate Call !ttempt

Counted vent

Number

Call Setup  !ct"ve

Set

Complete Call Setup

#pdate

Total

Result /0

240

243

98.77%

535

535

100.00%

240

243

98.77%

4

CS Call $op Rate

Call Setup

Call $op

0

240

0.00%

Create screens$ots of C(T result.

'.'.1

#a*in* stablis&ment "ela, /vera*e pa*in* %ela- L 0.3s Create screens$ots of C(T result.

'.'.!

#a*in* 2ailure +nal,sis

i* =P4 Testin* !esult /nal-sis<0 Pa*in* failure spots %istribution T$e above fi*ure s$ows t$e locations of 3 pa*in* failures. Please refer to t$e followin* %escription for failure causes. Paging failure %

#a)e specific anal-sis base% on %istribution an% %ata of si*nalin*. T$e same below.

Paging failure 2

Paging failure 3

'.3 4on* -oie Call '.3.1

+, "SCP

# RSC& d"st"'ut"on "s s(o)n 'elo)*

i* =P4 Testin* !esult /nal-sis<6 , !SCP %istribution

# RSC& stat"st"c ta'le "s s(o)n 'elo)*

Table =P4 Testin* !esult /nal-sis<' , !SCP 4nterval

PD R

PD 

CD R

CD 

<6&QL5Q<1&

'3323

1

'3323

1.&

<0QL5Q<6&

12113

'".7

1&'36

66.7

<70QL5Q<0

0"176

23.2

22"622

"&.&

<"0QL5Q<70

20&&3

".7

20'620

"".7

<1&0QL5Q<"0

'2

&.2

200&"

1&&.&

<13&QL5Q<1&0

&

&

200&"

1&&.&

i* =P4 Testin* !esult /nal-sis< , !SCP

'.3.!

+, ,c-o

T$e same as !SCP

'.3.$

+, ! Po/er

T$e same as !SCP

'.3.'

0est Ser1ice Cell

i* =P4 Testin* !esult /nal-sis<7 est service cell b- ,c4o

'.3.3

D 0," 

T$e same as !SCP

'.3.5

ong Call Drop #nal$sis

i* =P4 Testin* !esult /nal-sis<" Call %rop %istribution T$e above fi*ure s$ows t$e locations of 5 number of call %rops> an% refer to t$e followin* %escription for t$e call %rop causes. Call 'rop %

#a)e specific anal-sis base% on %istribution an% %ata of si*nalin*. T$e same below. Call 'rop 2

Call 'rop 3

'.5 #"# Conte6t +tivation /vera*e PDP activation %ela-L 1.s Create screens$ots of C(T result.

&$& act"vat"on success ate + ,n'-of-&$&-contet-act"vat"on-accept/

,n'-of-&$&-contet-act"vat"on-euest/ + 296296 + 100%

Create screens$ots of C(T result.

'.7 R88 #S1!9 2T# "ownload '.7.1

R4C T&rou*&put T$e same as !SCP

'.7.!

U T6 #ower  T$e same as T5Power

'.9 R88 #S5' 2T# Upload T$e same as PS127 %ownloa%in*

'.9.1

"C !hroughput

'.9.!

+, ! Po/er

Ditto.

'.8 :S"#+ '.8.1

SDP# !hroughput

Ditto.

'.8.!

+, ! Po/er

Ditto.

'.8.$

C

T$e same as !SCP.

'.1; :SU#+ T$e same as 8SDP/.

'.1;.1 S+P# !hroughput

'.1;.! +, ! Po/er

3 +nal,sis and Reommended Solutions for Residual #roblems /Optional Owin* to unfinis$e% commissionin* of some sites wit$in t$e Cluster> area 55 still $as some problems waitin* to be solve% after site commissionin*. T$e problems are %escribe% below?

3.1 area 55 $as wea)  covera*e> an% t$e covera*e is mainl- realize% b- surroun%in* site 55 an% site --. !ecommen%e% solution? after t$e commissionin* of site 55> t$e covera*e s$all be realize% mainl- b- site 55> an% %owntilt of surroun%in* site 55 an% site -- s$all be a%juste% accor%in*l-.

3.! Call "rop Spots of +rea %% Problem anal-sis? %ue to t$e unestablis$e% nei*$bor relations$ip of site 55> call %rops will occur %ue to t$e missin* nei*$bor of site 55. Currentl- $an%over is performe% t$rou*$ nei*$bor relations$ip of surroun%in* site 55 an% site --. !ecommen%e% solution? after t$e commissionin* of site 55> cell 55 an% cell -- s$all be a%%e% into t$e nei*$bor list of site 55> an% nei*$bor relations$ip s$all be rea%juste% correspon%entl-.

5 Conlusion T$rou*$ t$e test an% optimization of site Cluster 55> =P4s of Cluster 55 $as met anticipate% tar*et an% covera*e is favorable. :$en time comes> Cluster 55 an% surroun%in* Clusters in t$e same !(C can *o t$rou*$ centralize% optimization.

7 +ppendies +1

Table of site information Table /ppen%ices<0 Table of site information

 (o.

Site

Primar-

 (ame

Scramblin* Co%es

/zimut $

of 

#ec$anical

,lectron

Downtilt of 

ic

/ntennas

Downtilt

Cells

/ntenna

atitu%e

$ei*$t

on*itu %e

of  /ntennas

+!

Table of network radio parameters 4n t$e optimization process> parts of ra%io parameters of certain sites are a%juste% an% values of ot$er parameters are b- %efault. Please refer to t$e followin* fi*ure for t$e values of parameters.+alues before an% after a%justment s$all all be liste%.

Table /ppen%ices<6 Table of networ) ra%io parameters  (o.

!(C 4D

Cell 4D

Primar-

!a%io

Scramblin* Co%es

Parameters

of   (ame

+alue

+alue

 before

after 

/%justment

/%justment

!emar) 

Cells

+$

Testin* 4O= files Table /ppen%ices< Table of testin* o* files table

Testin* Services

Testin* Time

Testin* O@ ile (ame

ile Save ocation

Testin * Staff 

/nal-st

1&.32.1&6.2'7 Covera*e

2&&"<1<10 12?&&pmB1"?&&pm

&110K$s%paKscanner

B

&110K$s%paKscannerK&0

rno cluster optimization

Don* 5inmin

$uan* z$i%uan

S$amS$uiPoKtoKSo)2&&"&110 +oice

2&&"<1<10

s$ortcallK&110K&1

B

/s above

C$en*

$uan*

s$ort call

+oice lon* call

PDP /ctivation PS37'=  TP D PS37'=  TP  8SDP/ TP

12?&&pmB1"?&&pm

2&&"<1<10 12?&&pmB1"?&&pm

2&&"<1<10 12?&&pmB1"?&&pm 2&&"<1<10 12?&&pmB1"?&&pm 2&&"<1<10 12?&&pmB1"?&&pm 2&&"<1<10 12?&&pmB1"?&&pm

8SP/ TP

2&&"<1<10 12?&&pmB1"?&&pm

+'

s$i%on

s$ortcallK&110K&'

*

lon*callPDPK&110K&1 B lon*callPDPK&110K&7

lon*callPDPK&110K&7 B

B

PS37'K1210K&0 &110K$s%paKscanner

B

&110K$s%paKscannerK&0 &110K$supaKscanner &110K$supaKscannerK&0

Referened le*ends !SCP?

,c4o?

T5 Power?

z$ifen

i /s above

z$ifen *

PS37'DK&110K&0 PS37'K1210K&1

/s above *

lon*callPDPK&110K&1 B

PS37'DK&110K&1

i

B

/s above

/s above

/s above

/s above

z$i%uan

$uan* z$i%uan

$uan* z$i%uan

$an*

$uan*

5in-ue

z$i%uan

$an*

$uan*

5in-ue

z$i%uan

Don*

$uan*

5inmin Don* 5inmin

z$i%uan $uan* z$i%uan

D ,!?

Pilot Pollution?

PS 6'=6'= D !C T$rou*$put?

PS 127=6'= D !C T$rou*$put?

PS 37'=6'= D !C T$rou*$put?

8SDP/ T$rou*$put?

8SP/ T$rou*$put?