158628099-1-UMTS-Radio-Network-KPI-108

7/23/2019 158628099-1-UMTS-Radio-Network-KPI-108

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UMTS Radio Network KPI

ZTE University



Content

KPI Classification RAN KPI Definition and Measurement

KPI !timi"ation

KPI monitor KPI Case study



KPI verview

NetNumen#M$% &RAN' Mo(i)e Network E)ementMana*ement System is ZTE E)ement Mana*ement System

of o!eration and mana*ement for one or more NEs+ &,M-

PM- CM' Performan.e Monitor &a..ordin* to t/e im!ortan.e and

usa*e'0 KPI PI0 Performan.e Indi.ator SPI0 statisti.a) !erforman.e indi.ator0 wit/ statisti.a) ru)e su./ as

.a)) .om!)etion rate1234+ Customi"ed !erforman.e inde5

EMS KPI Monitor Too)s0 Performan.e mana*ement ,au)t Mana*ement Confi*uration Mana*ement



Covera*e Pro(a(i)ity

Covera*e C)ass

Mo(i)ity C)ass

RNC Soft 6andover Su..ess

rate Inter7,re8uen.y 6ard

6andover Su..ess rate Inter7RAT 6ard 6andover

Su..ess rate &CS domain and

PS domain' 9

:oS C)ass

RRC Esta()is/ment su..ess rate RA; Esta()is/ment su..ess rate Radio A..ess Su..ess Rate Ca)) dro! rate Avera*e U<=D< T/rou*/!ut RTT Pin* wit/ $> ;ytes

9

Resour.e Usa*e C)ass

Trou()e Ce)) rate ;usy Ce)) rate S)ee!in* Ce)) rate

9

Ca!a.ity C)ass

CS Ca!a.ity PS Ca!a.ity Ce)) U< <oad ,a.tor ;)o.k Ca)) rate 9

RAN KPI Class

RAN KPI Cate*ory



Content

KPI C)assifi.ation RAN KPI Definition and Measurement

KPI !timi"ation




Statisti. Period：－

Statisti. Area： C)utter7wise

Indoor or utdoor ： ;T6

Measurement Met/ods： DT or C:T

Inde5 Meanin*： T/e .overa*e !ro(a(i)ity ref)e.ts t/e R,

.overa*e stren*t/ and R, si*na) 8ua)ity+

Statisti. Period：－

Statisti. Area： C)utter7wise


Measurement Met/ods： DT or C:T

Inde5 Meanin*： T/e .overa*e !ro(a(i)ity ref)e.ts t/e R,

.overa*e stren*t/ and R, si*na) 8ua)ity+

IndicatorIndicator

DescriptionDescription

IndicatorIndicator

DefinitionDefinition Signaling FlowSignaling Flow

IndicatorIndicator

ExtensionExtension




IndicatorIndicatorExtensionExtension

Signaling FlowSignaling FlowIndicatorIndicatorDefinitionDefinition

IndicatorIndicatorDescriptionDescription

Downlink: F=RSCP > R & Ec/Io > S

Uplink: TxPwr < T

Coverage Probability is defined as the percentage of the sampleswhose F=1 for all the measured samples(Note： Unreasonable samples are not included）

R and S are different for different serices




IndicatorIndicatorDescriptionDescription IndicatorIndicatorDefinitionDefinition Signaling FlowSignaling Flow IndicatorIndicatorExtensionExtension

Statisti. Period 0%3 Mins- $? Mins-% 6our9+ %Day9+

Statisti. Area ： .e))7wise


Measurement Met/od： .a).u)ate (ased on t/e MC Counters@

va)ue

Indi.ator Meanin*： t/is indi.ator ref)e.ts t/e a..essi(i)ity of t/e

Ce))

Statisti. Period 0%3 Mins- $? Mins-% 6our9+ %Day9+

Statisti. Area ： .e))7wise


Measurement Met/od： .a).u)ate (ased on t/e MC Counters@

va)ue

Indi.ator Meanin*： t/is indi.ator ref)e.ts t/e a..essi(i)ity of t/e

Ce))

RRC Esta()is/ment Su..ess Rate




IndicatorIndicatorDefinitionDefinition

Signaling FlowSignaling FlowIndicatorIndicatorExtensionExtension

RRC Establishment Success Rate

＝ RRC Connection Setup Complete Times

/RRC Connection Request Times×100%




RRC Connection SetupRequest Times

RRC Connection SetupComplete Times

IndicatorIndicatorDescriptionDescription IndicatorIndicatorDefinitionDefinition Signaling FlowSignaling Flow IndicatorIndicatorExtensionExtension




Statisti. Period 0 %3 Mins- $? Mins-% 6our9+ % Day9+

Statisti. Area0 RNC Ce))7wise

Indoor or utdoor0 ;T6

Measurement Met/od0 .a).u)ate (ased on t/e MC Counters@

va)ue

Indi.ator Meanin*0 RA; assi*nment is t/e )ast ste! of t/e servi.e

.onne.tion+ If it is su..essfu))y assi*ned- t/e .onne.tion to t/e

User Pane) is Su..essfu))y Setu!

Statisti. Period 0 %3 Mins- $? Mins-% 6our9+ % Day9+




va)ue

Indi.ator Meanin*0 RA; assi*nment is t/e )ast ste! of t/e servi.e

.onne.tion+ If it is su..essfu))y assi*ned- t/e .onne.tion to t/e

User Pane) is Su..essfu))y Setu!

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

RA; Esta()is/ment Su..ess Rate



RAB Establishment Success rate

＝（ CS RAB Assignment Success Times

+PS RAB Assignment Success Times）

/(CS RAB Assignment Request Times

＋ PS RAB Assignment Request Times） ×100%







RAB AssignmentRequest Times

RAB AssignmentSuccess Times

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension




CS RA; Esta()is/ment Su..ess rate

PS RA; Esta()is/ment Su..ess rate

AMR RA; Esta()is/ment Su..ess rate CS C B=B RA; Esta()is/ment Su..ess rate

PS I B=B RA; Esta()is/ment Su..ess rate

PS I B=%> RA; Esta()is/ment Su..ess rate

PS I B=$ RA; Esta()is/ment Su..ess rate 99

CS RA; Esta()is/ment Su..ess rate

PS RA; Esta()is/ment Su..ess rate

AMR RA; Esta()is/ment Su..ess rate CS C B=B RA; Esta()is/ment Su..ess rate

PS I B=B RA; Esta()is/ment Su..ess rate

PS I B=%> RA; Esta()is/ment Su..ess rate

PS I B=$ RA; Esta()is/ment Su..ess rate 99



Signaling FlowSignaling Flow IndicatorIndicatorExtensionExtension




Statisti. Period0 %3 Mins- $? Mins- % 6our9+ % Day9+

Statisti. Area0 Ce))7wise


Measurement Met/od0 .a).u)ate (ased on t/e MC .ounters@

va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e a..essi(i)ity of t/e

servi.e of t/e Ce))

Statisti. Period0 %3 Mins- $? Mins- % 6our9+ % Day9+




va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e a..essi(i)ity of t/e

servi.e of t/e Ce))

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Radio A..ess Su..ess Rate



Call Setup Success Rate

＝ RRC Establishment Success Rate (Service Related)

×RAB Establishment Success rate×100%

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension




RRC EstablishmentSuccess Rate

RAB

Establishment

Success Rate

IndicatorIndicator


IndicatorIndicator

DefinitionDefinitionSignaling FlowSignaling Flow

IndicatorIndicator

ExtensionExtension




AMR Ca)) Setu! Su..ess rate

CS C B=B Ca)) Setu! Su..ess rate

PS I B=B Ca)) Setu! Su..ess rate

PS I B=%> Ca)) Setu! Su..ess rate

PS I B=$ Ca)) Setu! Su..ess rate

PS S B=B Ca)) Setu! Su..ess rate

99

AMR Ca)) Setu! Su..ess rate

CS C B=B Ca)) Setu! Su..ess rate

PS I B=B Ca)) Setu! Su..ess rate

PS I B=%> Ca)) Setu! Su..ess rate

PS I B=$ Ca)) Setu! Su..ess rate

PS S B=B Ca)) Setu! Su..ess rate

99


IndicatorIndicator


IndicatorIndicator

ExtensionExtension




Statisti. Period0 %3 Mins- $? Mins- % 6our9+ %Day9+




va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Retaina(i)ity of t/enetwork- it is one of t/e most im!ortant indi.ators of t/e

.ustomer@s e5!erien.e+

Statisti. Period0 %3 Mins- $? Mins- % 6our9+ %Day9+




va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Retaina(i)ity of t/enetwork- it is one of t/e most im!ortant indi.ators of t/e



IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Ca)) Dro! Rate



Call Drop Rate

＝（ RNC Triggered CS RAB Release Number

＋ RNC Triggered PS RAB Release Number）

/(Total RAB Release number for CS

+ Total RAB Release number for PS)

×100%

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Ca)) Dro! Rate



RE<EASE RE:UEST

RNC Triggered RABRelease Times

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Ca)) Dro! Rate



CS Ca)) Dro! rate

PS Ca)) Dro! rate

AMR Ca)) Dro! rate

CS C B=B Ca)) Dro! rate

PS B=B Ca)) Dro! rate

PS B=%> Ca)) Dro! rate

PS B=$ Ca)) Dro! rate 99

CS Ca)) Dro! rate

PS Ca)) Dro! rate

AMR Ca)) Dro! rate

CS C B=B Ca)) Dro! rate

PS B=B Ca)) Dro! rate

PS B=%> Ca)) Dro! rate

PS B=$ Ca)) Dro! rate 99


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Ca)) Dro! Rate



Statisti. Period0 %3 Mins- $? Mins- % 6our9+ %Day



Measurement Met/od0 .a).u)ate (ased on t/e MC Counters@ va)ue

Indi.ator Meanin*0 Rate of ()o.ked .a))s due to resour.e s/orta*e+

T/is inde5 !artia))y ref)e.ts t/e de*ree of .on*estion in t/e .e))+

Statisti. Period0 %3 Mins- $? Mins- % 6our9+ %Day



Measurement Met/od0 .a).u)ate (ased on t/e MC Counters@ va)ue

Indi.ator Meanin*0 Rate of ()o.ked .a))s due to resour.e s/orta*e+

T/is inde5 !artia))y ref)e.ts t/e de*ree of .on*estion in t/e .e))+

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Ca)) ;)o.kin* Rate



Call Blocking Rate

＝ The number of blocked calls / The number of call admission requests Times×100%


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Ca)) ;)o.kin* Rate



Statisti. Period0 %3 Mins- $?Mins- %6our9+ %Day

Statisti. Area0 RNC7wise



va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e soft /andover

mo(i)ity in t/e RNC .ontro) area+

Statisti. Period0 %3 Mins- $?Mins- %6our9+ %Day




va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e soft /andover


IndicatorIndicatorDescriptionDescription IndicatorIndicatorDefinitionDefinition


Soft 6andover Su..ess Rate



Soft Handover Success Rate

＝（ Soft Handover Attempted Times

－ Soft Handover Failure Times）

/Soft Handover Attempted Times×100%


IndicatorIndicator


IndicatorIndicator

ExtensionExtension




UE UTRAN

ACTIVE SET UPDATE

ACTIVE SET UPDATE COMPLETE

A

B

Success flow

Soft Handover

Attempted Times

Soft Handover Failure Times.

Failure FlowUE UTRAN

ACTIVE SET UPDATE

ACTIVE SET UPDATE FAILURE

A

B

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension




Confi*uration unsu!!orted fai)ure .aused /andover fai)ure rate

P/ysi.a) ./anne) fai)ure .aused /andover fai)ure rate

In.om!ati()e simu)taneous re.onfi*uration .aused /andover

fai)ure rate

Proto.o) error .aused /andover fai)ure rate

Ce)) u!date o..urred .aused /andover fai)ure rate

Inva)id .onfi*uration .aused /andover fai)ure rate No re!)y .aused /andover fai)ure rate

99

Confi*uration unsu!!orted fai)ure .aused /andover fai)ure rate

P/ysi.a) ./anne) fai)ure .aused /andover fai)ure rate

In.om!ati()e simu)taneous re.onfi*uration .aused /andover

fai)ure rate

Proto.o) error .aused /andover fai)ure rate

Ce)) u!date o..urred .aused /andover fai)ure rate

Inva)id .onfi*uration .aused /andover fai)ure rate No re!)y .aused /andover fai)ure rate

99







Statisti. Period0 %3Mins- $?Mins- %6our9+ %Day

Statisti. Area0 .e))7wise



va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e /ard /andover






va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e /ard /andover





Inter7,re8uen.y 6ard 6andover Su..ess Rate



Inter-Frequency Hard Handover Success Rate

＝（ Inter-Frequency Hard Handover Attempted Times

－ Inter-Frequency Hard Handover Failure Times ）

/ Inter-Frequency Hard Handover Attempted Times ×100%

Inter!Fre"uenc# $ard $andoer should Include

Intra!RNC $ard $andoer and Inter!RNC $ard $andoer

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Inter7,re8uen.y 6ard 6andover Su..ess

Rate



UE SRNC

PHYSICAL CHANNEL RECONFIGURATION

PHYSICAL CHANNEL RECONFIGURATION COMPLETE

UE SRNC

PHYSICAL CHANNEL RECONFIGURATION

PHYSICAL CHANNEL RECONFIGURATION FAILURE

Success Flow

Failure Flow

Inter-frequency hard

handover Attempted times

Inter-frequency hard

handover failure times

Intra-RNCInter-Frequency

Hard Handover

Flow

IndicatorIndicator


IndicatorIndicator

DefinitionDefinition

Signaling FlowSignaling FlowIndicatorIndicator

ExtensionExtension


Rate



Sent from SRNC

Feedback to DRNC

Inter-RNC

Inter-Frequency

Hard HandoverFlow


Rate



Confi*uration unsu!!orted .aused intra7Node; inter7fre8uen.y

/ard /andover fai)ure rate

Confi*uration unsu!!orted .aused intra7RNC inter7fre8uen.y

/ard /andover fai)ure rate Confi*uration unsu!!orted .aused inter7RNC inter7fre8uen.y


P/ysi.a) ./anne) fai)ure .aused intra7Node; inter7fre8uen.y /ard

/andover fai)ure rate

P/ysi.a) ./anne) fai)ure .aused intra7RNC inter7fre8uen.y /ard/andover fai)ure rate

P/ysi.a) ./anne) fai)ure .aused inter7RNC inter7fre8uen.y /ard


99

Confi*uration unsu!!orted .aused intra7Node; inter7fre8uen.y


Confi*uration unsu!!orted .aused intra7RNC inter7fre8uen.y

/ard /andover fai)ure rate Confi*uration unsu!!orted .aused inter7RNC inter7fre8uen.y


P/ysi.a) ./anne) fai)ure .aused intra7Node; inter7fre8uen.y /ard


P/ysi.a) ./anne) fai)ure .aused intra7RNC inter7fre8uen.y /ard/andover fai)ure rate

P/ysi.a) ./anne) fai)ure .aused inter7RNC inter7fre8uen.y /ard


99

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Inter7,re8uen.y 6ard 6andover Su..ess Rate



Statisti. Period0 %3Mins- $?Mins- %6our9+- %Day

Statisti. Area0 .e))7wise or RNC7wise


Measurement Met/od： Ca).u)ate (ased on MC Counters@ va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Inter7RAT CS /andover mo(i)ity- t/e

/andover is from UMTS system to SM system+





Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Inter7RAT CS /andover mo(i)ity- t/e

/andover is from UMTS system to SM system+

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Inter7RAT CS ut*oin* 6andover Su..ess

rate（ UMTS71SM）



CS Inter-RAT Handover Success Rate（ UMTS->GSM）

＝ 1－ CS Inter-RAT Handover From UTRAN Failure Times

/CS Inter-RAT Handover From UTRAN Required Times×100%

IndicatorIndicatorDescriptionDescription Indicator

IndicatorDefinitionDefinition Signaling FlowSignaling Flow Indicator

IndicatorExtensionExtension


Rate（ UMTS71SM）



Prepare handover

Handover fro

UTRAN !oand

Prepare handover re"pon"e

Re#o!a$%on

re&'%red

Handover !op#e$e

Re#o!a$%on!oand

UE RNC CN (GMSC

UE UTRAN

HANDOVER FROM UTRAN COMMAND

HANDOVER FROM UTRAN FAILURE

CS Inter-RAT Handover FromUTRAN Required Times

CS Inter-RAT Handover From UTRANFailure Times, if the handover is failed,RNC will receive this message

Success Flow

Failure Flow

IndicatorIndicator


IndicatorIndicator



ExtensionExtension


Rate（ UMTS71SM）



Confi*uration unsu!!orted .aused CS Inter7RAT /andover from UTRAN

fai)ure rate

P/ysi.a) ./anne) fai)ure .aused CS Inter7RAT /andover from UTRAN fai)ure

rate

Confi*uration in.om!)ete .aused CS Inter7RAT /andover from UTRAN

fai)ure rate

Proto.o) error .aused CS Inter7RAT /andover from UTRAN fai)ure rate

Ce)) u!date o..urred .aused CS Inter7RAT /andover from UTRAN fai)ure

rate

Inva)id .onfi*uration .aused CS Inter7RAT /andover from UTRAN fai)ure

rate

No re!)y .aused CS Inter7RAT /andover from UTRAN fai)ure rate

99

Confi*uration unsu!!orted .aused CS Inter7RAT /andover from UTRAN

fai)ure rate

P/ysi.a) ./anne) fai)ure .aused CS Inter7RAT /andover from UTRAN fai)ure

rate

Confi*uration in.om!)ete .aused CS Inter7RAT /andover from UTRAN

fai)ure rate

Proto.o) error .aused CS Inter7RAT /andover from UTRAN fai)ure rate

Ce)) u!date o..urred .aused CS Inter7RAT /andover from UTRAN fai)ure

rate

Inva)id .onfi*uration .aused CS Inter7RAT /andover from UTRAN fai)ure

rate

No re!)y .aused CS Inter7RAT /andover from UTRAN fai)ure rate

99





Rate（ UMTS71SM）







va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Inter7RAT /andover

mo(i)ity- t/e /andover is from UMTS system to PRS system+





va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Inter7RAT /andover

mo(i)ity- t/e /andover is from UMTS system to PRS system+




Inter7RAT PS ut*oin* 6andover Su..ess

Rate（ UMTS71PRS）



PS Inter-RAT Handover Success Rate（ UMTS->GPRS）

＝ 1－ PS Inter-RAT Handover From UTRAN Failure Times

/PS Inter-RAT Handover From UTRAN Required Times×100%








UE NDE; RNC $ SSN

Ce)) ./an*e order from UTRAN Iu Re)ease

Command

R< De) Res!

R< De) Re8

Iu Re)ease

Com!)ete

UE UTRAN

CELL CHANGE ORDER FROM UTRAN

CELL CHANGE ORDER FROM UTRAN FAILURE

Success Flow

Failure Flow

PS Inter-RAT handover fromUTRAN required Times

PS Inter-RAT handover from UTRAN failure

times. If the RNC received this message, or

response message of Iu Release Command is not

received by RNC, it means the PS handover from

UTRAN is failed.

IndicatorIndicator


IndicatorIndicator



ExtensionExtension





.onfi*uration unsu!!orted .aused PS Inter7RAT /andover from

UTRAN fai)ure rate

!/ysi.a) ./anne) fai)ure .aused PS Inter7RAT /andover from UTRAN

fai)ure rate

.onfi*uration in.om!)ete .aused PS Inter7RAT /andover from UTRAN

fai)ure rate

!roto.o) error .aused PS Inter7RAT /andover from UTRAN fai)ure rate

.e)) u!date o..urred .aused PS Inter7RAT /andover from UTRAN

fai)ure rate inva)id .onfi*uration .aused PS Inter7RAT /andover from UTRAN

fai)ure rate

No re!)y .aused PS Inter7RAT /andover from UTRAN fai)ure rate

99

.onfi*uration unsu!!orted .aused PS Inter7RAT /andover from

UTRAN fai)ure rate

!/ysi.a) ./anne) fai)ure .aused PS Inter7RAT /andover from UTRAN

fai)ure rate

.onfi*uration in.om!)ete .aused PS Inter7RAT /andover from UTRAN

fai)ure rate

!roto.o) error .aused PS Inter7RAT /andover from UTRAN fai)ure rate

.e)) u!date o..urred .aused PS Inter7RAT /andover from UTRAN

fai)ure rate inva)id .onfi*uration .aused PS Inter7RAT /andover from UTRAN

fai)ure rate

No re!)y .aused PS Inter7RAT /andover from UTRAN fai)ure rate

99

IndicatorIndicator


IndicatorIndicator



ExtensionExtension

Inter7RAT out*oin* PS 6andover Su..ess








Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Inter7RAT /andover mo(i)ity- t/e

/andover is from RRS system to UMTS system+





Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e Inter7RAT /andover mo(i)ity- t/e

/andover is from RRS system to UMTS system+

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension

Inter7RAT In.omin* PS 6andover Su..ess

Rate（PRS71UMTS）






PS Inter-RAT Handover to UTRAN Success rate（ GPRS->UMTS）

＝ PS Inter-RAT Handover to UTRAN Success Times

/PS Inter-RAT Handover to UTRAN Attempted Times×100%


Rate（PRS71UMTS）



UE Serv%n) RNC

*+ UE %n%$%a$ed "%)na#%n) !onne!$%on e"$a,#%"hen$

CN

(+ D%re!$ Tran"fer

-+ Rad%o A!!e"" Bearer E"$a,#%"hen$

The flow of PS Inter-RAT

handover to UTRAN issimilar to the PS setup flowon the UTRAN Side

RNC received message RRC Connection Request （ from UE, the cause is Inter-RATcell reselection） can be used for calculating the PS Inter-RAT handover to UTRANrequired times； RNC received message RRC Connection Complete (From UE) canbe used for calculating the PS Inter-RAT handover to UTRAN success times

IndicatorIndicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension


Rate &PRS71UMTS）



Statisti. Period0 －

Statisti. Area0 －


Measurement Met/od： DTC:T

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e inte*rity of CS %>+>K

servi.e+ It is one of t/e most im!ortant indi.ators of t/e



Statisti. Area0 －



Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e inte*rity of CS %>+>K

servi.e+ It is one of t/e most im!ortant indi.ators of t/e


Indicator Indicator


Indicator Indicator


Indicator Indicator

ExtensionExtension

CS%>+>K Servi.e A..ess Time



CS12.2K Service Access Time

＝ Average 【 T（ CC Alert)

－ T （ RRC Connection Request ）】

Indicator Indicator DescriptionDescription


Signaling FlowSignaling Flow Indicator Indicator ExtensionExtension




%E%E RNSRNS CNCN Incoming CNIncoming CN

IS%P IAM

RRC D&'Call Proceeding(

RRC D&'CM Serice Re"uest(

CN Signaling Connection Process

Authority and Safe Mode Process

RRC D&'Setup(

RAB Assignment Process

IS%P ACMRRC D& 'Alert( IS%P ANM RRC D&'Connect(

RRC D&'Connect ACK(Service data talking…

CN Bear Setup ProcessT（ CC Alert）

RRC Connection Re"uest

RRC Connection Setup

RRC Connection Setup Complete

T（ RRC ConnectionRequest）

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension





Statisti. Area0 －



Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e inte*rity of CS BKservi.e+ It is one of t/e most im!ortant indi.ators of t/e



Statisti. Area0 －



Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e inte*rity of CS BKservi.e+ It is one of t/e most im!ortant indi.ators of t/e


Indicator Indicator


Indicator Indicator


Indicator Indicator

ExtensionExtension

CSBK Servi.e A..ess Time



CS64K Service Access Time

＝ Average 【 T（ RRC Request)

－ T（ CM Service Request）】

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension




IS%P IAM


RRC D& 'Call Proceeding(




RRC D& 'Setup(


IS%P ACMRRC D& 'Alert( IS%P ANM RRC D& 'Connect(

RRC D& 'Connect ACK(

Service data talking…

CN bear setup processT（ CC Alert）




T（ RRC ConnectionRequest）

Indicator Indicator


Indicator Indicator


Indicator Indicator

ExtensionExtension





Statisti. Area0 －



Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e inte*rity of PSservi.e+ It is one of t/e most im!ortant indi.ators of t/e



Statisti. Area0 －



Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e inte*rity of PSservi.e+ It is one of t/e most im!ortant indi.ators of t/e


Indicator Indicator


Indicator Indicator


Indicator Indicator

ExtensionExtension

PS Servi.e A..ess Time



PS Service Access Time

＝ Average 【 T （ Active PDP Context Accept)

－ T （ Activate PDP Context Request ）】

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension




IS%P IAM


RRC D& 'Actie PDP Context Accept (




RRC D& 'Actiate PDP ContextRe"uest (


IS%P ACMRRC D& 'Alert( IS%P ANM RRC D& 'Connect(

RRC D& 'Connect ACK(

Service data talking…

CN bear setup process

Activate PDPContextRequest




Indicator Indicator


IndicatorIndicator


Signaling FlowSignaling FlowIndicator Indicator

ExtensionExtension


Active PDP

Context Accept







Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e traffi. Er)an* of t/e CS .onversation

servi.e





Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e traffi. Er)an* of t/e CS .onversation

servi.e

Indicator Indicator


Indicator Indicator


IndicatorIndicator

ExtensionExtension

CS Servi.e Traffi. Er)an*



CS Call Duration

＝∑【 Time（ Radio Link Setup Response）

－ Time（ Radio Link Deletion Response）】

CS Service Traffic ERL＝ Total CS Call Duration of a Certain Period/3600

Indicator Indicator


IndicatorIndicator



ExtensionExtension




CS AMR Foi.e Servi.e Traffi. Er)an*

CS Fideo P/one Servi.e Traffi. Er)an*

CS AMR Foi.e Servi.e Traffi. Er)an*

CS Fideo P/one Servi.e Traffi. Er)an*

Indicator Indicator


IndicatorIndicator


IndicatorIndicator

ExtensionExtension








Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e tota) t/rou*/!ut of PS servi.e





Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e tota) t/rou*/!ut of PS servi.e

Indicator Indicator


Indicator Indicator



ExtensionExtension

PS Servi.e T/rou*/!ut



UL PS Service Throughput＝ RNC Received Total RLC PDU Bytes

DL PS Service Throughput＝ RNC Sent Total RLC PDU Bytes

（ Including user data， RLC head data， retransfer data， signaling data， Unit： Kbytes）

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension




PS I B=B U< T/rou*/!ut


PS ; B=B U< T/rou*/!ut


PS S B=B U< T/rou*/!ut


99







99

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension







Measurement Met/od0 Ca).u)ate (ased on Measurement Re!ort

va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e .e)) avera*e U< )oad

fa.tor in a defined !eriod- it is .a).u)ated (ased on t/e RTGP

va)ue on a .ertain fre8uen.y+





va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e .e)) avera*e U< )oad

fa.tor in a defined !eriod- it is .a).u)ated (ased on t/e RTGP

va)ue on a .ertain fre8uen.y+

Indicator Indicator


IndicatorIndicator



ExtensionExtension

U< Interferen.e <oad ,a.tor



UL Interference Load Factor

＝（ UL RTWP measurement value－ N0 ）

/UL RTWP measurement value×100%

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension

U< Interferen.e <oad ,a.tor







va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e .e)) avera*e D< )oad

de*ree in a defined !eriod- it is .a).u)ated (ased on t/e (ase

station T5 !ower+





va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e .e)) avera*e D< )oad

de*ree in a defined !eriod- it is .a).u)ated (ased on t/e (ase

station T5 !ower+

Indicator Indicator


IndicatorIndicator



ExtensionExtension

D< Power <oad ,a.tor



DL Power Load Factor

＝ DL Average Transmitting Carrier Power/

Configured DL Maximal Transmitting Carrier Power×100%

Indicator Indicator


IndicatorIndicator



ExtensionExtension

D< Power <oad ,a.tor






Measurement Met/od： Ca).u)ate (ased on MC Counters@

va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e rate of dead .e))s totota) .e))s- it is an assistant to ana)y"e t/e :oS of w/o)e network+





va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e rate of dead .e))s totota) .e))s- it is an assistant to ana)y"e t/e :oS of w/o)e network+

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension

Trou()e Ce)) Rate



Trouble Cell Rate

＝ Trouble Cell Number/ Active Cell Number×100%

Trouble Cell is the cell whose call drop rate >a ％ or Radio Access Success rate <b％

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension

Trou()e Ce)) Rate

C







va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e rate of (usy .e))s totota) .e))s- it is an assistant to ana)y"e t/e :oS of w/o)e network+





va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e rate of (usy .e))s totota) .e))s- it is an assistant to ana)y"e t/e :oS of w/o)e network+

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension

;usy Ce)) Rate

; C )) R t



Busy Cell rate

＝ Busy Cell Number/Active Cell Number×100％

Busy cell is the cell whose DL Power Load factor >c％

or Code Resource Occupation Factor >d％

Indicator Indicator


IndicatorIndicator


Indicator Indicator

ExtensionExtension

;usy Ce)) Rate

S) i C )) R t







va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e rate of id)e .e))s to

tota) .e))s- it is an assistant to ana)y"e t/e :oS of w/o)e network+





va)ue

Indi.ator Meanin*0 t/is indi.ator ref)e.ts t/e rate of id)e .e))s to

tota) .e))s- it is an assistant to ana)y"e t/e :oS of w/o)e network+

Indicator Indicator


IndicatorIndicator



ExtensionExtension

S)ee!in* Ce)) Rate

S) i C )) R t



Sleeping Cell rate

＝ Sleeping Cell Number/Active Cell Mumber×100%

Sleeping Cell is the cell whose DL power load factor <e％

Indicator Indicator


IndicatorIndicator

DefinitionDefinition Signaling FlowSignaling FlowIndicator Indicator

ExtensionExtension

S)ee!in* Ce)) Rate

C t t



Content


KPI )ptimi*ation


EMS KPI ti i ti P



EMS KPI !timi"ation Pro.ess

EMS KPI ti i ti P



EMS KPI !timi"ation Pro.ess

K KPI G t/ H Att ti



Key KPIs Gort/ Hour Attention

RRCE"$a,#%"hen$S'!!e"" Ra$e

Ce## RABE"$a,#%"hen$ S'!!e""Ra$e. CSdoa%n

Ce## RABE"$a,#%"hen$ S'!!e""Ra$e. PSdoa%n

Ce## RABE"$a,#%"hen$S'!!e""Ra$e

Rad%oA!!e""S'!!e"" Ra$e

Ca##DropRa$e /Vo%!e

Ce##PSCa##DropRa$e

Ce##S'!!e""Ra$e ofSHO

Ce## In$er/RATCS O'$)o%n)Handover S'!!e""Ra$e0UMTS/1GSM2

R di A S R t




Radio a..ess su..ess rate RRC esta()is/ment su..essrate J RA; esta()is/ment su..ess rate

T/is formu)a indi.ates t/at RRC esta()is/ment rate andRA; esta()is/ment rate need to (e .onsidered in t/e(a.k*round statisti.s+

RRC esta()is/ment su..ess rate Num(er of su..essfu)RRC .onne.tion setu! times of ea./ .e)) = Num(er of RRC.onne.tion re8uest times of ea./ .e)) J %??％

Note0 re)ated wit/ servi.es &RRC .onne.tion'

RA; esta()is/ment su..ess rate Num(er of su..essfu)RA; esta()is/ment times = Num(er of RA; esta()is/mentattem!ts J %??4

RA; esta()is/ment su..ess rate is .ate*ori"ed (y servi.e+

A..ess S ..ess Rate Ana) sis Pro.ess



A..ess Su..ess Rate Ana)ysis Pro.ess

A..ess ,ai)ure Caused (y RA; Esta()is/ment



A..ess ,ai)ure Caused (y RA; Esta()is/ment

,ai)ure T/ere are two restraints in RA; esta()is/ment !ro.ess+

ne is R; esta()is/ment w/i./ is t/e UE .onfi*uration!ro.ess &usua))y no !ro()ems o..ur in t/is !ro.ess' andt/e ot/er is radio )ink re7.onfi*uration !ro.ess in w/i./Node; )inks are .onfi*ured+ ,ai)ures often o..ur in t/e)atter !ro.ess+ T/e usua) .auses for t/ese fai)ures in.)uderadio )ink re7.onfi*uration !re!aration fai)ure &it o..ursw/en !ro()ems o..ur in Node; resour.es+'- and radio )inkre7.onfi*uration .an.e))ation &it o..urs w/en !ro()emso..ur in RNC interna) resour.es or !ro.ess'+ Anot/er

fa.tor may a)so .ause RA; fai)ures- t/at is- w/en t/e )oadof a .e)) is re)ative)y /eavy- RNC sends out a reLe.t.ommand via admission .ontro)+

Ca)) Dro! !timi"ation



Ca)) Dro! !timi"ation

6andover Su..ess Rate !timi"ation



6andover Su..ess Rate !timi"ation

,a.tors affe.tin* /andover su..ess rate 6andover area is too sma))- so t/at UEs /ave not enou*/ time to

.om!)ete /andover+

6andover !arameters are wron*)y set- so t/at nei*/(or .e))s

.annot (e added or de)eted time)y- or .ausin* !in*7!on* /andover+

Nei*/(or .e))s are not .onfi*ured+ T/is may .ause dama*e to t/enetwork- not on)y dire.t)y .ausin* .a)) dro!- (ut a)so (rin*s e5tra

interferen.e towards t/e network+

Content



Content

KPI C)assifi.ation

RAN KPI Definition and Measurement

KPI !timi"ation


Resour.e KPI monitor



Resour.e KPI monitor ne reason for resour.e )imitation is num(er of $ user in.rease- and o!erator

./an*in* fee de.rease a)so )ead to t/e in.rease of avera*e er)an*+ T/e ot/er

reason is t/e strate*y for desi*n is fo.us on user fee)in* and KPI (ut not system.a!a.ity+ ,or e5am!)e 6K user avera*e Er) .ou)d (e u! to ?+3E+





Sin*)e user er)an* .ou)d (e ?+3er) on ;6：





Resour.e KPI and t/res/o)d+

Resour.e KPI main)y in.)ude D< !ower- U< .a!a.ity- .ode resour.e andCE resour.e+

Re"o'r!e T3pe 4PI %d and nae $hre"ho#d

TCP

C-5*-(5*65 N',er of re7e!$ed "erv%!e".DCH do8n#%n9 TCP #%%$ 65

PI-5*:; Avera)e non/HSDPA TCP <5=

PI-55>( Ma?%' Ce## TCP 0=2 *55=

PI-55>- Avera)e Ce## TCP ;5=

UL Traff%!PI-55(> Handover B#o!9%n) Ra$e 5+6=

4PI RT@P（ %n ,'"3 ho'r ） />dB

Code

C-5*-(5*6- N',er of re7e!$ed "erv%!e". DCH no !ode 65

PI-5(56 Avera)e Ce## HSUPA U"er" *(

PI-5*;( Ce## Avera)e HSDPA U"er" *:

CEPI-5*-555: Ma?%' '"e Ra$%o of Up#%n9 NodeB CE :5=

PI-5*-55*5 Ma?%' '"e Ra$%o of Do8n#%n9 NodeB CE :5=





Re)ated KPI

D< !ower monitor



D< !ower monitor

RNC TCP )imitation wit/ CS .a)) dro!

(55>/5:/5> RNC Ca## Drop Ra$e.CS Traff%! Vo#'e. CS AMR0Er#2 N',er of re7e!$ed "erv%!e".DCH do8n#%n9 TCP #%%$555555 5*5555 *+(<= 6*+6< 6:

5*5555 5(5555 *+5;= <*+(5>; ((

5(5555 5-5555 *+5>= (6-+*;<( *(

5-5555 5<5555 5+;5= *-<+5*;6 6

5<5555 565555 5+:*= <+>*; **

565555 5:5555 5+6<= ::+5<6 **

5:5555 5;5555 5+:<= *5(+::-- -*

5;5555 55555 *+5:= (6>+>< (-6

55555 5>5555 *+-*= :6+-:<< ((:(

5>5555 *55555 *+**= *(<(+<6( *;6

*55555 **5555 5+>*= *;>+:><< -(:*

**5555 *(5555 *+5<= ((::+-55 ;5:<

*(5555 *-5555 *+5>= (:(>+>56 ->

*-5555 *<5555 5+>>= (<+;<** -;*>

*<5555 *65555 *+56= (<><+(*> ;>-:

*65555 *:5555 *+56= (6>+*>5- *56*6

*:5555 *;5555 *+*:= (;:(+<6-* **<> *;5555 *5555 *+(5= (>-5+-<< >>(:

*5555 *>5555 *+<6= ---:+<*-- ((;6

*>5555 (55555 *+(>= (:;<+*>(6 6*>:

(55555 (*5555 *+5<= *><:+;>> *(

(*5555 ((5555 *+*-= *6+<*5: :*:

((5555 (-5555 *+-(= **+(6:; 6;6

(-5555 555555 *+-6= *<<6+-6 (*:

D< !ower monitor



D< !ower monitor

Modify reserve 6SDPA !ower a..ordin* to system a)*orit/m+

Min6sd!aPower （Min6s!aPwrRto） No6sPower 1Node ;admission t/res/o)d（Min6sd!aPower stands for 6SDPA reserved

!ower ）， D< .on*estion .ontro) wi)) start &down*rade D< DC6

rate'。Min6s!aPwrRto defau)t va)ue is >?4+

D< !ower monitor



D< !ower monitor

;e.ause /i*/ )oad .e)) often (e wit/ /i*/ admission fai)ure- norma))y

we s/ou)d fast down*rade to re)ease radio resour.e ASAP+ Avoid/andover user .ou)d not /andover in t/e .e)) t/en .a)) dro!!ed+&t/is

a.tion is on)y take effe.t in .e)) wit/ mu./ more PS users- if a)) users in

t/e .e)) is in CS servi.e+ It wi)) not take effe.t'+

A,,rev%a$ed Nae

Parae$er nae Ran)eand S$ep

C'rren$Va#'e

Upda$eva#'e

rear9

U#DnMa?S$)Ma?%' N',er of De)radedUp#%n9 Load S$ep" Ever3 T%e

*. * (Do8n)rade fro

-<9,p" $o *:9,p"

D#DnMa?S$)Ma?%' N',er of De)raded

Do8n#%n9 Load S$ep" Ever3 T%e*. * -

Do8n)rade fro-<9,p" $o 9,p"

D< !ower monitor



D< !ower monitor

T/rou*/ de.rease D< E(=No .ou)d )ead to redu.ed .on*estion+ G/i)e

we need detai)ed eva)uation to avoid some ot/er (ad effe.t+ Ta()es/owed re.ord for t/e modifi.ation- and .an (e .onsider as t/e

referen.e+ ZTE en*ineerin* e5!erien.e s/owed down*rade E(=No for

%$+BK si*na)in* ./anne) .ou)d redu.e TCP )imitation effe.tive)y- w/i)e

t/e !erforman.e of a..ess wi)) not (e affe.t so mu./+

A,,rev%a$ed Nae

Parae$ernae

C'rren$Va#'e

Upda$eva#'e

rear9 Mod%f3

p'rpo"e

D#E,NoDo8n#%n9

Traff%! E,No;+6 6+*

B !#a"" parae$er ， "erv%!e re#a$ed parae$er. od%f3 *-+:4 "%)na#%n) on#3

0"erv%!e !#a"" 62

Redu.e TCPL%%$

U< .a!a.ity monitor



U< .a!a.ity monitor

Ca)) dro! rate in.reasin* not means U< .a!a.ity )imitation- (ut .a))

dro! in.reasin* is t/e most .ommon s.ene for )imitation+ ;e.ause .a))dro! rate is most .ared KPI- and (e o(served every day+

U< .a!a.ity monitor



U< .a!a.ity monitor

RTGP in.reasin* is t/e most dire.t)y re!resentation for U< )imitation-

w/i)e sometimes reason for RTGP in.reasin* .ou)d (e e5terna)interferen.e+ And it@s /ard to e)iminate t/is reason+

U< .a!a.ity monitor



U< .a!a.ity monitor

Er)an* is determinin* fa.tor for U< )imitation eit/er+ T/ere are many

fa.tors re)ated to t/e er)an* of a .e))+ Norma))y we s/ou)d .are for .e)).a!a.ity- if er)an* in a .e)) e5.eed >? er)an* in ;6+

U< .a!a.ity monitor



U< .a!a.ity monitor

U< Power .ontro) !arameter modifi.ation+ T/e 8ua)ity of users wi)) (e

down as a .onse8uent of .a!a.ity in.reasin*+ !timi"ation wi)) dotrade7off (etween .a!a.ity and 8ua)ity+

A,,rev%a$ed Nae

Parae$er ean%n) Mod%f%!a$%on o,7e!$C'rren$Va#'e

ne8va#'e

effe!$

ULINITSIR Up#%n9 In%$%a# SIR $ar)e$0dB2

Up#%n9 -+<9*-+:9 S%)na#%n)，Up#%n9 *(+(9 AMR

</6 -+6 O,v%o'"#3

ULMASIR Ma?%' Up#%n9 SIR$ar)e$ 0dB2

Up#%n9 -+<9*-+:9 S%)na#%n)，Up#%n9 *(+(9 AMR

*6 *5 O,v%o'"#3

B !#a"" parae$er

BLER Per%od Fa!$or To#eran!e BLER Per%od

Up#%n9 -+<9*-+:9 S%)na#%n)，Up#%n9 *(+(9 AMR

((65 *;5 O,v%o'"#3

U#S%rTar)DnS

$ep

Up#%n9 SIR Tar)e$ Do8n

S$ep S%e 0dB2

Up#%n9 -+<9*-+:9 S%)na#%n)，

Up#%n9 *(+(9 AMR

5+* 5+(A fe8

%proveen$

U< .a!a.ity monitor



U< .a!a.ity monitor

T/rou*/ U< !ower .ontro) !arameter o!timi"ation we .an im!rove

RTGP in.reasin*- (ut some .e))s wi)) (e in trou()e for user in.reasin*+ And furt/er modifi.ation to SIRtar*et wi)) affe.t su(s.ri(er fee)in*+ ,or

t/is .ase ZTE su**est to define anot/er set of !ower .ontro)

!arameter w/i./ is s!e.ia) for t/ese /i*/ )oad .e))s+ T/e fo))owin* ta()e

is .om!arison of !arameters for s!e.ia) site and !arameters for norma)

site+

SRVTYPE ULINITSIR ULMAXSIR ULMINSIR

5 -+6/1*+6 *5+5/1-+6 (+5/1*+5

*5< <+5/1(+5 *6+5/16+5 5+6/15

( -+6/1*+6 *5+5/1-+6 5+6/1565 :+5/1(+5 *6+5/16+5 (+5/15

6< :+5/1(+5 *6+5/16+5 (+5/15

Code resour.e monitor




T/rou*/ o(servin* Num(er of reLe.ted servi.es- DC6 no .odeO

we .ou)d know .e)) is in .ode )imitation+ A)so avera*e .oderesour.e usa*eO and 6SDPA user num(erO .ou)d (e fa.tor for

determination and o!timi"ation+ Ge .ou)d modify t/e .ode

a))o.ation to redu.e .ode )imitation+ .uRateNo6s!ds./.uRate6s!ds./D!./Code6y$>Q3%>

formu)a % .uRateNo6s!ds./.uRate6s!ds./CodeU!t6yA13%>

formu)a > .uRate6s!ds./O is t/e num(er of .ode &S,3%>' w/i./ is ()o.ked (y t/e

.ode o..u!ied (y 6S7PDSC6 ./anne)+ .uRateNo6s!ds./O is t/e num(er of .ode &S,3%>' w/i./ is ()o.ked (y

t/e .ode o..u!ied (y not 6S7PDSC6 ./anne)+ D!./Code6yO is t/e num(er of .ode &S,3%>' reserved for DPC6 ./anne)+ CodeU!t6yAO is t/e t/res/o)d to determine if we need de.rease 6S7PDSC6

./anne) num(er+

G/en formu)a% is fu)fi))ed N+ of 6S7PDSC6 %+ G/en formu)a > is fu)fi))ed N+ of 6S7PDSC6 7%+





To assure R22 user a..essi(i)ity- t/e modifi.ation is a!!)y+

A((reviatedName

Parametername

Ran*eand Ste!

CurrentFa)ue

U!dateva)ue

remark

D!./Code6yDPC6 Code6ysteresis

?++3%> %B >To de.rease t/e num(er ofreLe.ted servi.es for DC6 no .ode

CodeU!t6yACode U!date

6ysteresis A

?++3%> %B >To de.rease t/e num(er of

reLe.ted servi.es for DC6 no .ode

Content



Content


KPI !timi"ation

KPI monitor KPI Case stud#

Case %0 TCP Con*estion at Fi.tory Park



Case %0 TCP Con*estion at Fi.tory Park

;a.k*round Fi.tory Park more t/an

%??-??? Peo!)e at/erin*

Time is >?0?? une t/

KPI Indi.ation

Performan.e deteriorate forsite FPK at Fi.tory Park

Ca)) Dro! Rate In.rease

Site FPK Transmission

Code Power Con*estion

Case %0Ca)) Dro! Rate Num(er is /i*/ in



! *

FPK

Case %0FPK Radio A..ess Rate and ReLe.ted



L

Servi.es (y TCP )imit

Case >0 Gron* <AC Confi*uration



Case >0 Gron* <AC Confi*uration

After t/e .onfi*uration data ./e.k- we found t/at t/ere are

severa) .e))s wit/ a wron* <AC .onfi*uration+ Ge need KPI monitor too)s to *ive us an eviden.e+

Use SAH Site as an e5am!)e0 Num(er of attem!ted RRC Esta()is/ment is more t/an %??-???

times w/i)e on)y around B-??? times for servi.es+

Case $： 6i*/ Ca)) Dro! Rate Due To T/e



* !

NSN Sites Interferen.e ;a.k*round

After t/e KPI monitorin*- we found t/e dro! rate around

Convention and E5/i(ition Center is 8uite /i*/+

After t/e drive test and KPI ana)ysis- we found t/e reason

is t/at t/e NSN <UR site ,% is sti)) o!en+

After t/e site is turned off on %>t/ May t/e .a)) dro! ratede.reased+

Case $： 6i*/ Ca)) Dro! Rate Due To T/e



* !

NSN Sites Interferen.e

Case 0 6i*/ Ca)) Dro! Rate due to Power A)arm



Site CTG /as very /i*/ .a)) dro! rate+

After ./e.kin* t/e ,au)t mana*ement A)arm- t/ere are a)ot of (oard re(oots a)armO+

After ./e.kin* t/e Node;- t/e reason for t/is a)arm is non7suffi.ient !ower su!!)y due to SM- UMTS and NSN ;TS

in very narrow s!a.e wit/ a tem!orary !ower so)ution+ T/ree times Node ; is out of servi.e&%2?$?>$'O durin*

%30?? to %B0?? on une %%t/+

* !




* !




* !

Case 30 Iu( E%=T% ;andwidt/ <imitation



;a.k*round0 After ?4 NSN UMTS users are .ut into t/e network on may %%t/-

su(s.ri(er num(er in.reased a )ot

KPI Indi.ation0 Ce)) RA; esta()is/ment su..ess rateO de.reased a )ot+

Ana)ysis Ca!a.ity re)ated+

After ./e.kin* t/e re)ated .onfi*uration- Iu( interfa.e E%=T%

(andwidt/ )imitation is a key reason for t/e !ro()em+

So)ution0 De.rease some of t/e .e))s Pi)ot C/anne) Power

In.rease Iu( interfa.e (andwidt/

Case 30 Iu( E%=T% ;andwidt/ <imitation





Date post:	17-Feb-2018
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158628099-1-UMTS-Radio-Network-KPI-108

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