94516831-3g-kpi-analysis-report-130218110202-phpapp02

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WCDMA : KPI ANALYSIS & OPTIMIZATION

Network planning& Optimiation



Ill!"tration on #AN KPI$#%'S#NC#elo(ation

#NC

%)*TS

*TS+

#NC

A((e""i,ilit-:RRC Setup & Access RateRAB Setup &

Access RateCall Setup Success

RatePS setup successrate (NRT,HSDPA,

HSUPA)

X

#etaina,ilit-:RRC Drop RateRAB Drop RatePS success rate(NRT, HSDPA,

HSUPA)

Mo,ilit-:SHO/ISHO Success

RateSHO Overhea

HDSPA/HSUPA SCCsuccess rate

%"age:Cell Ava!la"!l!t#

Ave$ Upl!%'oa Ave$ Do%l!%

'oaHSDPA

ThrouhputCell Throuhput

XPre$

emption

S#NC



.en!ine Call Set!p /ail!re S(enario"

– #/ i""!e

• Inter0eren(e 1 Dominan(e 1 Co2erage• Mi""ing neig3,o!r

– S-"tem I""!e $ *TS

• No re"pon"e to 4##C Conne(tion #e5!e"t6

• 4##C Conne(tion #e7e(t6 to 4##C Conne(tion #e5!e"t6

– S-"tem i""!e $ #NC

• 4CC Di"(onne(t6 a0ter 4Call Pro(ee8ing6 8!e to 4DL##C Conne(tion #elea"e6

– Core NW

• 4CM Ser2i(e A,ort6 a0ter 4CM Ser2i(e #e5!e"t6 – S-"tem i""!e 9te"t n!m,er

• 4CC Di"(onne(t6 a0ter 4CC Progre""6



.en!ine Drop Call "(enario"

#/ i""!e – Inter0eren(e 1 Dominan(e 1 Co2erage

– Mi""ing Neig3,o!r"

S-"tem i""!e *TS – S!88en 4CC Di"(onne(t6 8!e to 4DL ##C Conne(tion

#elea"e6

– S!88en 8rop to i8le; no 8i"(onne(t me""aging

S-"tem i""!e #NC – S!88en 4CC Di"(onne(t6 8!e to 4DL ##C Conne(tion

#elea"e6



KPI De<nition"

T3e KPI" to ,e monitore8 0rom t3e #AN (o!l8 ,e:

– Cell a2aila,ilit-

– Call Set!p S!((e"" #ate 9CSS#

– Call Drop rate

– S=O1IS=O1=SPA SCC "!((e"" rate

– Pa(ket Se""ion "et!p1"!((e"" rate 9N#T; =SDPA; =S%PAIn NOLS:

– #NC (o!nter 8e"(ription

– NetA(t D* 8e"(ription 0or #NC mea"!rement"

–WCDMA #AN Ke- Per0orman(e In8i(ator" – Ke- In8i(ator C3ange"

– Mea"!rement C3ange"



DRNCUE CNSRNCWBTS

2. RRC connection set-up

6. Service Estabis!e"

#. Branc! a""ition$"eetion % &ctive set up"ate

'. Ce searc!( BCC)"eco"in* % R&C) access

+. UE ,-- CS-CN si*nain*

. R&B set-up

/. Service Reease"

0. UE ,-- CS-CN Si*nain*

AM# CS Call P3a"e"



Start

Best server1sRSC -'32"B4

Best server1sEc$No -'2"B

Covera*e 5pti4iation

Do4inance 5pti4iation

&7C)8&C9: receive";

<es

=issin*

Nei*!bour ;

Nei*!bour ist 5pti4iation

No

No

No

<es

U> covera*e % R&C)para4eter. 5pti4iation8c!an*in* servin* ce:

?RRC ConnectionSetup@ receive";

8DC): ?RRC Connection setupCo4pete"@ sent Aro4 UE;

?Ra"io Bearer setupAaiure@Receive";

Report % inis!C!ec Aaiure cause8Not ra"io probe4$ce up"ate:

Report % inis!8C!ec Aaiure cause:

&C opti4iation 8c!ec rNoise% interAerer aroun" BTS:

Report % inis!

?RRC SetupReect@ receive";

<es

No

<es

<es

<es

Report % inis!8Reason oA probe4F >' sGnc Aai:

Report % inis!8C!ec Aaiure cause:

Ca Setup aiure &naGsisrocessHHDT

&

B

C

D

E

<es

<es

No

No

No

No



Call "et!p 0ail!re" > Mi""ing Neig3,o!r

Mi""ing neig3,o!r anal-"i" o2er t3ew3ole ro!te 9?.$?.; ?.$.

Sear(3 0or 0ail!re" 8!e to mi""ing ?.$?. neig3,o!r"

Sear(3 0or 0ail!re" 8!e to mi""ing ?. >. neig3,o!r" – It i" "!gge"te8 to pla(e . "(anner to t3e te"t 2e3i(le

&



Call Set!p /ail!re Anal-"i"$ *lo(k * $

T3e p!rpo"e o0 t3i" a(ti2it- i" to (3e(k t3e #an8om A((e""Pro(e"" i" working a8e5!atel- ,- in2e"tigating w3et3er AI9A(5!i"ition In8i(ator 3a" ,een re(ei2e8 t3ro!g3 DL AIC=

I0 AIC= wa" not re(ei2e8 ,- %); t3e (a!"e o0 t3e pro,lem (an

,e (la""i<e8 into: – Ina8e5!ate #AN parameter relate8 to #an8om A((e"":

#AN parameter "etting" 0or pre$am,le tran"mi""ion oropen loop power (ontrol in0ormation i" not (orre(t@

– %L Co2erage limit: %L (o2erage o0 %) i" "maller

(ompare8 to "er2ing (ell" DL (o2erage "o t3at %)" TBpower (annot rea(3 "er2ing (ell@

B



Call Set!p /ail!re Anal-"i"$ *lo(k * $

%) W*TS #NC

Pream,le1#AC=

A(5!i"ition In8i(ator1AIC=

##C: ##C Conne(tion #e5!e"t1P#AC=

N*AP: #ADIO LINK S)T%P #)%)ST

##C: ##C CONN)CTION S)T%P1/AC=

L+ S-n(3roni"ation

N*AP: SYNC=#ONISATION INDICATO#

##C: ##C CONN)CTION S)T%P COMPL)T)1DC=

%) in C)LLDC= "tate

N*AP: #ADIO LINK S)T%P #)SPONS)

B



#AC= Pro(e""

DoInin

BS

>' &C9 $ &7C)

Upin

=S rea4be'

Not "etecte"

=essa*e partrea4be2

R&C)Hprea4beHretransJ R&C) prea4bes trans4itte" "urin* one R&C) cGce Iit!out receivin* &7C) response

UEtoIer=aR&C)

K K K K

R&C)HtH=aJ prea4be poIer ra4pin* cGces t!at can be "one beAore R&C) trans4ission Aaiure is reporte"

oIerRa4pStepR&C)prea4be

oIer5AAset>astrea4beR&C)4essa*e

7nitia prea4pe poIerF•t L C7C)trans4issionoIer-RSC8C7C): MRSS78BS: M

PRACHRequiredReceivedCI

B



Call Set!p /ail!re Anal-"i"$ *lo(k *$

Sol!tion" 0or #AC= optimi"ation=a UE T poIer !itt!e UEHH=&X82"B4:;

To increase PRACH_Preamble_retrans5r PowerRampStepPRACHPreamble

To increase PRACH_Preamble_retrans5r PowerRampStepPRACHPreamble

No

<es

7s U> 7nterAerenceabnor4aG )7);

<es

No

Report t!ere 4i*!t be an interAerin*source NearbG t!e servin* ce

Report t!ere 4i*!t be an interAerin*source NearbG t!e servin* ce

C!an*e t!e Servin* ce to cover t!e probe4 &reaL UE is too Aar to reac! t!e servin* ce

C!an*e t!e Servin* ce to cover t!e probe4 &reaL UE is too Aar to reac! t!e servin* ce

B



Call Set!p /ail!re Anal-"i"$ *lo(k *B

5pen oop oIer Contropara4eters Aro4 R&C)7nAo 4essa*e



Call "et!p 0ail!re" > S-"tem i""!e *TS

No re"pon"e to 4##C Conne(tion #e5!e"t6

– .oo8 #/ (on8ition" – Wrong M=A "etting" or (a,le lo"" "etting" (an (a!"e t3e "ite not to 43ear6

t3e %)

– PrBNoi"e "tati"ti("; re(ei2e link parameter" an8 =W !nit" to ,e (3e(ke890a!lt- M=A; wrong M=A parameter"; wrong (a,le 1 0ee8er lo""parameter"; 0a!lt- !nit"

C



Call "et!p 0ail!re" > S-"tem i""!e *TS

4##C Conne(tion #e7e(t6 a0ter 4##C Conne(tion #e5!e"t6

– .oo8 #/ (on8ition"

– A8mi""ion Control (an re7e(t too man- 9or a8mit tooman- (onne(tion re5!e"t" 8!e to wrong PrBNoi"emea"!rement"@

– PrBNoi"e "tati"ti("; re(ei2e link parameter" an8 =W!nit" to ,e (3e(ke8

C



Call Set!p /ail!re Anal-"i"

%) 3a" t3e appropriate DL1%L (o2erage ,!t i0 #NC 8oe" not allow to "et !p t3e ##C(onne(tion o0 t3e re5!e"te8 #A* 9#a8io A((e"" *earer; Call "et!p will 0ail@

A8mi""ion Control 9AC i" in2ol2e8 in ##C (onne(tion "et!p@ AC (an re7e(t ##C re7e(t##C (onne(tion Set!p 8!e t3e DL Loa8; %L loa8 or DL Sprea8ing (o8e"

– Marginal Load Area:

• I0 mea"!re8 %L 9PrBTotal or DL 9PtBTotal loa8 eB(ee8" target t3re"3ol8"

9Pr*Taret an8 Pt*Taret AC (an "till a8mit new #A* to t3e (ell i0 a newnon$(ontrolla,le loa8 keep" ,elow target t3re"3ol8" 9in pra(ti(e t3i"mean" t3at AC (an a8mit onl- new (ontrolla,le loa8 #A*" i@e@ N#T #A*"

– Overload Area:

• I0 mea"!re8 %L 9PrBTotal or DL 9PtBTotal loa8 eB(ee8" o2erloa8 t3re"3ol8"

9Pr*Taret E Pr*O+set an8 Pt*Taret E Pt*O+set t3en AC (anFt a8mitmore #A*" to t3e (ell

C




• Durin* t!e pre-opti4iation p!ase it is unieG t!at &C Ii stop an RRC connection

setup "urin* t!e "rive testin* because t!ere are nor4aG verG AeI UEs in t!enetIor. 8TraAAic oa"in* is trivia:

• )oIever( it s!ou" be c!ece" t!at 4easure" tTota an" rTota are ess t!antTar*et 8e.*. 3"B4: an" rTar*et 8e.*. "B( 63O oa"in*: respectiveG.

• 7A D> &C "oes not aoI RRC setup c!ec t!e T poIer oA WBTS( J oA c!annestrans4itte"( Si*nain* 4essa*es.

• 7A U> &C "oes not aoI RRC setupF C!ec out iA t!ere is an interAerin* sourcenearbG t!e servin* ce.

C




To (3e(k i0 La-er + S-n(3roniation

9"lot10rame "-n( 3a" 0aile8I0 4##C Conne(tion Set!p6 wa" re(ei2e8 ,- %) ,!t %) 8oe" not "en84##C Conne(tion Set!p Complete86; we will report 4L+"-n(3roniation 0ail!re6 an8 3a2e to (3e(k L+ "-"tem me""age"@

D



• ?CC Disconnect@ aAter?Ca rocee"in*@

• oo" R con"itions

• aiures in R&B setupoccur betIeen t!e ?R&B &ssi*n4ent RePuest@

bein* receive" Aro4 CoreNetIor an" t!e R&Nsen"in* out Ra"ioBearer Setup. T!ereAoret!e Aaiure is betIeenBTS an" Core NetIor.

ECall "et!p 0ail!re" > S-"tem i""!e #NC



?CC Disconnect@ aAter ?Ca

rocee"in*@ 8cont.: &n ea4pe 8site s!oIs !i*!vaues on counter?R&BHSTH&7>HCSHQ57CE HBTS@ "urin* t!e "rive test

7n t!e recent c!ec t!e

counter s!oIe" no Aaiures.

ECall "et!p 0ail!re" > S-"tem i""!e #NC



Call "et!p 0ail!re" > Core NW

4CM Ser2i(e A,ort6 a0ter

4CM Ser2i(e #e5!e"t6.oo8 #/ (on8ition"

4Se(!rit- Mo8eComman86$me""agenot re(ei2e8 ,- %);t3!" t3e 0ail!re i"

,elie2e8 to ,e at CoreNetwork@

Se(!rit- Mo8e Comman8

Common ID

%) #NC M.WNo8e *

##C Conne(tion )"ta,li"3ment

Initial Dire(t Tran"0er 9CM Ser2i(e #e5!e"t SCCP: Conne(tion #e5!e"t

SCCP: Conne(tion Con<rm

Lo(ation #eporting Control

G RRC, I%!t!al D!rect Tra%s-er me""age i" "ent !"ing a(knowle8ge8 mo8e #LC to t3e CS (ore8omain@ #o!ting i" to ,e ,a"e8 !pon t3e lo(al P$TMSI

G T3e NAS me""age i" not rea8 ,- t3e #NC ,!t i" 0orwar8e8 to t3e m!ltime8ia gatewa-@ T3e NASme""age in(l!8e" t3e IMSI a" a %) i8entit-

G T3eSCCP, Co%%ect!o% Re.uest me""age e"ta,li"3e" t3e (onne(tion orientate8 "ignalling link int3e "ame wa- a" it wa" 0or t3e ##C (onne(tion p3a"e@T3i" 8oe" not re"er2e an- re"o!r(e" 0or t3eAM# (all it"el0@

• T!e Connection Confirm 4essa*e i"entiAies t!e RNC Iit! a "estination oca reAerence I!ic! is t!esa4e as t!e source reAerence Iit!in t!e Connection Request 4essa*e

• T!e Connection Confirm 4essa*e i"entiAies t!e CS core Iit! a source oca reAerence

• T!e CS core sen"s a RANAP: Location Reportin Control 4essa*e to t!e RNC rePuestin*

inAor4ation re*ar"in* t!e ocation oA a particuar UE

• T!e RANAP: Common I! 4essa*e speciAies t!e 7=S7 beon*in* to t!e UE

G The Secur!t# /oe Co00a% me""age trigger" t3e "tart or "top o0 (ip3ering an8 integrit-prote(tion@

E



Call "et!p 0ail!re" > S-"tem I""!e 9te"t n!m,er

4CC Di"(onne(t6 a0ter 4CC

Progre""6Ca!"e: re(o2er- on timer eBpir- T3e (all goe" 2ia IN SCP to a

re(or8ing@A "tati( te"t wa" 8one ,- Nokia

C!"tomer Care an8 in 0ewin"tan(e" t3e (all 8roppe8 a0ter?' "e(on8" o0 re(or8ingpa""e8@ =en(e t3e pro,lem i"a""o(iate8 wit3 t3e te"tn!m,er not t3e #AN

+3sec

CauseF recoverGon ti4er epirG

E





State Tran"ition trigger"

IDL)

/AC=

PC=

DC=

/AC=

DC=

IDL)

Call Set!p +@ "e(

Tran"ition DC=$/AC= 8!e

to ina(ti2it-

+' "e(Parameter

Tran"ition /AC=$PC= 8!to ina(ti2it- "e(Parameter

Wake !p time PC= > D8!e to a(ti2it- ? "e(



CELL_DCH State

a(ti2e "et(ell

a(ti2e "et(ell

G DCC= an8 > i0 (on<g!re8 >DTC=

G De8i(ate p3-"i(al (3annel in

!"eG %) lo(ation known on a(ti2e

"et (ell le2elG %) re"pon"i,le 0or

mea"!rement reportingG Cell "-"tem in0ormation on

*CC=G ##C me""age" on DCC=



CELL_FACH State

"er2ing(ell

G DCC= an8 > i0 (on<g!re8 >DTC=

G /AC= !"e8 0or 3ig3er la-er

8ata tran"0er;G %) monitor" /AC=

permanentl-G %plink tran"mi""ion on #AC=G %) lo(ation known on

"er2ing (ell le2elG %) per0orm" (ell re$"ele(tionG %) re"pon"i,le 0or

mea"!rement reportingG Cell "-"tem in0ormation on

*CC=G ##C me""age" on *CC=;

CCC= an8 DCC=



CELL_PCH and URA_PCH State

URA – UTRAN Registration Area

%#A +

%#A %#A ?

#NC"!ppl-

area

one or "e2eral (ell"in8epen8ent 0rom LA 1#A

G no DCC= an8 DTC=G *e0ore !plink tran"mi""ion ⇒ %) mo2e" to

C)LL/AC=G %) m!"t ,e page8G ##C me""age" on *CC= an8 PCC=G In C)LLPC=

$ %) lo(ation known on (ell le2el$ %) per0orm" (ell re$"ele(tion an8 (ell !p8ate"

G In %#APC=

$ %) lo(ation known on %#A le2el$ %) per0orm" (ell re$"ele(tion an8 %#A !p8ate"



Cell A2aila,ilit-

#NC+H?( Cell A2aila,ilit- KPI (o!nt" Cell a2aila,ilit- 0romser !oint o0 2iew:

( )( ) $B R'( )' E*)ST (CELL A+A)L sum

STATE (, )' (CELL A+A)L sumt# Availa"iliCell

_ _ _ _ _

_ _ _ _ *100 _ =

='333C'#/ &Q&7>&B7>7T< WCE>> 7N W5R97N ST&TE

• J oA sa4pes I!en WCE>> is in W5 State. Counter ='333C'/3 is aIaGs up"ate" aon* Iit! t!is counter

• Counter is up"ate" Iit! t!e vaue ' once in appro. 0 secon"s I!en t!e WCE>> is in W5 State

='333C'/3 &Q&7>&B7>7T< WCE>> EX7ST 7N RNW D&T&B&SE

• J oA sa4pes I!en WCE>> is conAi*ure" in t!e "atabase. T!is counter is use" as a "eno4inator Aor ce

avaiabiitG cacuation

• Counter is up"ate" Iit! t!e vaue ' one in appro. 0 secon"s I!en t!e WCE>> is conAi*ure" in t!e ra"io

netIor "atabase



Cell A2aila,ilit-

– T3ere i" al"o Optional Cell a2aila,ilit- KPI; w3i(3 (o!nt"

Cell A2aila,ilit- 0rom network point o0 2iew@ Sit!ationw3ere WC)LL i" ,lo(ke8 ,- %"er are eB(l!8e8 0rom t3e0orm!la@

– #NCa Cell A2aila,ilit- KPI; eB(l!8ing ,lo(ke8 ,- !"er"tate 9*L%; Co!nt" Cell a2aila,ilit- 0rom net"or# !oint

o0 2iew: ( )

−

=

USER B- BL,C.E$(CELL A+A)L

$B R'( )' E*)ST (CELL A+A)L sum

STATE (, )' (CELL A+A)L sum state BLU e/clu0in! t# Availa"iliCell

_ _ _ _

_ _ _ _ _

_ _ _ _ *100 _ _ _ _

M+'''C+J AAILA*ILITY WC)LL *LOCK)D *Y %S)#

G o0 "ample" w3en WC)LL i" *L% State@ Co!nter M+'''C+H' i" alwa-" !p8ate8 along wit3t3i" (o!nter

G Co!nter i" !p8ate8 wit3 t3e 2al!e + on(e in approB@ "e(on8" w3en t3e WC)LL i" in *L%"tate



CSS# 8e<nition



Low in CSS#

I8enti0- (all "et!p 0ail!re p3a"e"

Call Set! P$asesCSSR a%e&ted i' an( o' t$e

'ollo"ings ta#e

!la&e)

*) RRC Conn) Set! Fail

+) RRC Conn) A&&ess Fail

,) RA- Set! Fail

.) RA- Set! A&&ess Fail

Ca Setup !ase

RRC

Conn. ReP

RRC

Conn. Setup

RRC

Conn. &cc

RRC

Conn. &ct

R&B Setup R&B Drop

Call Setup Success Call !rop

Connecte"

L i CSS#



Low in CSS###C1#A* Set!p & A((e"" Anal-"i" Pro(e"" /low C3art



Call Set!p S!((e"" #ate 9CSS#

Poor CSS# (o!l8 ,e a re"!lt o0

– Poor (o2erage or 8ominan(e or inter0eren(e i""!e" in #a8iointer0a(e

– Capa(it- i""!e" in #a8io or I!, inter0a(e – Con<g!ration i""!e" in W*TS 9parameter" or =W

CSS# i" e""entiall- ##C Set!p S!((e"" #A* Set!p S!((e""

9or "!((e""0!l PS "e""ion "et!p" in (a"e o0 PS (allCSS# (o2er" all t3e "tep" 0rom t3e initial ##C (onne(tion re5!e"t0rom t3e %) to t3e network; t3ro!g3 t3e ##C "et!p p3a"e an8t3e #A* "et!p p3a"e; an8 !ntil !"er 8ata i" "tarting to gettran"0erre8@

T3e CSS# 0orm!la" are 0or 8ierent traQ( (la""e" like: – CS 2oi(e (all" 9#NC R 0 – CS 2i8eo (all" 9#NC RRe – PS #T Streaming Call" 9#NC 8 – PS N#T Call" 9Intera(ti2e & *a(kgro!n8 9#NC R8



De<nition o0 Call Set$%p S!((e"" #ate 9CSS#

%)##C: Conne(tion #e5!e"t

##C Conne(tion Set!p p3a"e#e"o!r(e #e"er2ation in #NC; *TS; Tran"mi""ion

##C: ##C Conne(tion #e5!e"t Set!p

##C Conne(tion A((e"" p3a"e#NC wait" repl- 0rom %)

##C: ##C Conne(tion Complete8

##C: Initial Dire(t Tran"0er (m "er2i(e re5!e"t

#ANAP: Initial %) Me""ageDI#)CT T#ANS/)# 9Call Pro(ee8ing

#ANAP: #A* A""ignment#e5!e"t

##C: #a8io *earer Set$!p

##C: #a8io *earer Set!pComplete

#A* Conne(tion Set!p p3a"e#e"o!r(e #e"er2ation in #NC; *TS; Tran"mi""ion

#ANAP: #A* A""ignment#e"pon"eDI#)CT T#ANS/)# 9Alerting

*TS #NC CN

DI#)CT T#ANS/)# 9Conne(t

DI#)CT T#ANS/)# 9Conne(t A(knowle8ge

#A* Conne(tion A((e"" p3a"e

#NC wait" repl- 0rom %)

Call Set$!p

S!((e""#ate

Call Set$!p Time



##C Conne(tion Set!p & A((e"" an8 A(ti2e

*TS%) #NC CN

##C: ##C (onne(tion #e5!e"t

##C: ##C (onne(tion Set!p

##C S)T%P p3a"e

9#e"o!r(e #e"er2ation in #NC; *TS; Tran"port

##C ACC)SS p3a"e

9#NC wait" 0or #epl- 0rom %)

##C: ##C (onne(tion Set!p Complete

# # C S et ! pt i m

e

##C: Initial Dire(t Tran"0er

#ANAP: Initial %) Me""age

#ANAP: I! #elea"e Comman8

%)$CN Signalling

9)@g@ #A* )"ta,li"3ment an8 #elea"e

##C: ##C (onne(tion #elea"e

##C: ##C (onne(tion #elea"e Complete

#elea"e ##C re"o!r(e" in #NC; *TS; Tran"port

##C ACTI) p3a"e

##C ACC)SS 0ail" i0 t3e %) 8oe" not repl- to ##C: ##CCONN)CTION S)T%P me""age wit3 t3e ##C: ##C CONN)CTIONS)T%P COMPL)T) me""age in gi2en time; i0 t3e *TS report" ara8io link "-n(3roni"ation 0ail!re or in an #NC internal 0ail!reo((!r"

##C S)T%P 0ail" i0 "ome o0 t3e nee8e8 re"o!r(e" 9#NC; *TS;AI#; Tran"port are not a2aila,le@ W3en an ##C "et!p 0ail!reo((!r" t3e #NC "en8" an ##C: ##C CONN)CTION #))CTme""age to %)

##C ACTI) 0ail" w3en an inter0a(e relate8 9I!; I!r ; I!,; or#a8io or #NC internal 0ail!re o((!r"; an8 t3e 0ail!re (a!"e" t3erelea"e o0 t3e ##C Conne(tion@ W3en an ##C a(ti2e 0ail!reo((!r"; t3e ##C "en8 a #ANAP: I% #)L)AS) #)%)ST to allin2ol2e8 CN" an8 wait" 0or #ANAP: I% #)L)AS) COMMAND

me""age 9"

##C ACTI) relea"e (a!"e (an ,e eit3erIS=O; I/=O; S#SN relo(ation or pre$emption



#A* Set!p & A((e"" an8 A(ti2e

R&B ReconAi*uration &ctions

8ReconAi*ure R&B resources in RNC( BTS(

Transport:

BTSUE RNC CN

RRCF Ra"io Bearer Setup

R&B SETU p!ase

8Resource Reservation in RNC( BTS( Transport:

R&B &CCESS p!ase

8RNC Iaits Aor RepG Aro4 UE:

RRCF RB Setup Co4pete

R& B S e t u p t i 4 e

RRCF RB ReconAi*uration

R&N&F R&B &ssi*n4ent Response


Reease R&B resources in RNC( BTS(

Trans4ission

RRC Connection &ctive !ase( UE-CN Si*nain*

R&N&F R&B &ssi*n4ent RePuest


#A* ACTI) p3a"e

9%"er Plane Data Tran"0er

R&N&F R&B &ssi*n4ent RePuest Iit! 7EF R&B reconAi*uration

RRCF Ra"io Bearer Reease

RRCF RB ReconAi*uration Co4pete

R&N&F R&B &ssi*n4ent RePuest Iit! 7EF R&B Reease

RRCF Ra"io Bearer Reease Co4pete

R& B ) o " i n *T

i 4 e

#A* S)T%P 0ail" i0 "ome o0 t3e nee8e8 re"o!r(e" 9#NC; *TS;AI#; Tran"port are not a2aila,le@ W3en an #A* "et!p 0ail!re

o((!r" t3e #NC "en8" a #ANAP: #A* ASSIN.M)NT #)SPONS)me""age to t3e CN wit3 an appropriate 0ail!re (a!"e

#A* ACC)SS 0ail" i0 t3e %) replie" wit3 an ##C: #ADIO *)A#)#S)T%P /AIL%#) me""age or t3e (onne(tion (annot ,ee"ta,li"3e8 in a gi2e time@ W3en a #A* a((e"" 0ail!re o((!r";t3e #NC "en8" a #ANAP: #A* ASSIN.M)NT #)SPONS)me""age to t3e CN wit3 an appropriate 0ail!re (a!"e@

Imme8iatel- a0ter t3i"; t3e #NC "en8" al"o a #ANAP: I%#)L)AS) #)%)ST to t3e CN an8 wait" 0or #ANAP: I% #)L)AS)COMMAND me""age

#A* ACTI) 0ail" w3en an inter0a(e relate8 9I!; I!r; I!,; or#a8io or #NC internal 0ail!re o((!r"; an8 t3e 0ail!re (a!"e" t3erelea"e o0 t3e #A* (onne(tion@

G I0 t3e %) 3a" more t3an one #A* (onne(tion an8 t3e 0ail!re i"not "o (riti(al t3at it wo!l8 lea"e to an ##C Conne(tion 8rop;

onl- t3e 0aile8 #A* (onne(tion i" relea"e8@ T3e #NC "en8" a#ANAP: #A* #)L)AS) #)%)ST me""age to t3e CN an8 wait"0or a #ANAP: #A* #)L)AS) COMMAND or #ANAP: I% #)LAS)COMMAND 0rom CN

G Ot3erwi"e; ,ot3 t3e ##C (onne(tion an8 #A* (onne(tion 9"are relea"e8@ T3e #NC "en8 a #ANAP: I% #)LAS) #)%)STme""age to t3e CN an8 wait" 0or a #ANAP: I% #)L)AS)COMMAND M)SSA.) 0rom t3e CN

#A* A((e"" 0ail!re" arenot "o Common



Call Set!p /ail!re"



Call Set!p /ail!re"

RRC connection setupR&N resources are reserve" Aorsi*nain* connection betIeen UEan" RNC

RRC accessConnection betIeen UE an" RRC

RRC activeUE !as RRC connection. 7A "roppe"(aso active R&B is "roppe".

R&B setup &tte4pts to start t!e ca

R&B setup access

R&B active p!aseUE !as R&B connection

CSSR aAAecte" iA anG oA t!e AooIin*s tae

pace.

• RRC Conn. Setup ai

• RRC Conn. &ccess ai

• R&B Setup ai• R&B Setup &ccess ai

Set!p

Complete

Set!p

Complete

A((e""

Complete

A((e""

Complete

A(ti2e

Complete

A(ti2e

Complete

Set!pSet!p A((e""A((e"" A(ti2eA(ti2e

A t t em pt "

Set!p 0ail!re"9,lo(king

A((e"" 0ail!re"

A ( ( e " "

A(ti2e#elea"eA(ti2e

#elea"e

A(ti2e

/ail!re"

A(ti2e

/ail!re"

##CDrop

S ! ( (

e " "

P3a"e:

RRC an" R&B p!ases



Call "et!p S!((e"" rate $CSS#

$





CSSR 2P3 'or CS voi&e 0rom en8 !"er per"pe(ti2e 9#NC R0

##C re5!e"t repetition" 8one ,- %) a0ter ##C re7e(t are eB(l!8e8 0rom8enominator 9not ne(e""aril- "een a" 0ail!re" 0rom t3e !"erF" per"pe(ti2e

– )mergen(- (all" re$8ire(te8 to .SM la-er are eB(l!8e8 0rom

8enominator

T3e o((!rre8 (ell re$"ele(tion" are "!,tra(te8 ,ot3 0rom t3e n!merator an88enominator ,e(a!"e t3e- are not (on"i8ere8 a" (all attempt" 0rommo,ile en8$!"er point o0 2iew@ T3e %) 3a" ma8e a new ##C (onne(tion2ia anot3er (ell an8 Attempt"$(o!nter i" !p8ate8 in t3e new (ell 0or t3enew attempt@

)) _ _ _ _ (

) _ _ _ _ ((*

) _ _ _ _ _ _ _ _ _

_ _ _ _ _ _ _

_ _ _ _ _ _ _

_ _ _ _ _ _

_ _ _ _ _ _ (

) _ _ _ _

_ _ _ _ _ _ _

_ _ _ _

_ _ _ _ _ _

_ _ _ _ _ _ ((*100

_ +,)CE CS ATT STP RAB sum

+,)CE CS C,1P ACC RAB sum

CALL E1ER2 RE3 STP C,'' RRC C,'+ 1T REL ACC RRC

C,'+ 1, REL ACC RRC E1ER2E'C- REL ACC RRC

E1ER2E'C- REP ATT RRC C,'+ 1T REP ATT RRC

C,'+ 1, REP ATT RRC ATTS CALL E1ER2E'C-

ATTS CALLC,'+ 1TC ATTS CALLC,'+ 1,C sum

C,'+ 1T REL ACC RRC

C,'+ 1, REL ACC RRC E1ER2E'C- REL ACC RRC

FA)LS CALL E1ER2E'C- ATTS CALL E1ER2E'C-

FA)LS CALLC,'+ 1TC ATTS CALLC,'+ 1TC

FA)LS CALLC,'+ 1,C ATTS CALLC,'+ 1,C sum

CSSR A1R

−−

−−

−−

−+

+

−

−−

−+

−+

−

=

##C part #A* part

PACK)T CALL S)T%P S%CC)SS #AT)



PACK)T CALL S)T%P S%CC)SS #AT)

PS C ll S t S # t 9CSS#



PS Call Set!p S!((e"" #ate 9CSS#

)) _ _ _ _

_ _ _ _ (

) _ _ _ _

_ _ _ _ ((

*

)) _ _ _ _ _ _ _ _

_ _ _ _ _ _ _

_ _ _ _ _ _ _ _

_ _ _ _ _ _ _

_ _ _ _ _ _

_ _ _ _ _ _ (

) _ _ _ _ _ _ _ _

_ _ _ _ _ _ _

_ _ _ _

_ _ _ _ _ _

_ _ _ _ _ _

_ _ _ _ _ _

_ _ _ _ _ _ ((*100

_

BAC.2 PS ATT STP RAB

)'TER PS ATT STP RAB sum

BAC.2 PS C,1P ACC RAB

)'TER PS C,1P ACC RAB sum

BAC.2 1T REL ACC RRC )'TER 1, REL ACC RRC

BAC.2 1, REL ACC RRC )'TER REL ACC RRC

BAC.2 1T REP ATT RRC BAC.2 1, REP ATT RRC

)'TER 1, REP ATT RRC )'TER REP ATT RRC

ATTS CALL BAC.2 1TC ATTS CALL )'TER 1TC

ATTS CALL BAC.2 1,C ATTS CALL )'TER 1,C sum

BAC.2 1T REL ACC RRC )'TER 1, REL ACC RRC

BAC.2 1, REL ACC RRC )'TER REL ACC RRC

FA)LS CALL E1ER2E'C- ATTS CALL E1ER2E'C-

FA)LS CALL BAC.2 1TC ATTS CALL BAC.2 1TC

FA)LS CALL )'TER 1TC ATTS CALL )'TER 1TC

FA)LS CALL BAC.2 1,C ATTS CALL BAC.2 1,C

FA)LS CALL )'TER 1,C ATTS CALL )'TER 1,C sum

CSSR PS

+

+

−−

−−

−−

−−

+

+

−−

−−

−+

−+

−+

−+

−

=

#NCR8$ Pa(ket Call Set!p S!((e"" #atio UV o2er t3e reporting perio8@

In(l!8e" ,ot3 Intera(ti2e an8 *a(kgro!n8 PS (all"

##C re5!e"t repetition" 8one ,- %) a0ter ##C re7e(t are in(l!8e8 in t3e 0orm!la

T3e o((!rre8 (ell re$"ele(tion" are "!,tra(te8 ,ot3 0rom t3e n!merator an8 8enominator,e(a!"e t3e- are not (on"i8ere8 a" (all attempt" 0rom mo,ile en8$!"er point o0 2iew@ T3e %) 3a" ma8e a new ##C (onne(tion 2ia anot3er (ell an8 Attempt"$(o!nter i"!p8ate8 in t3e new (ell 0or t3e new attempt@

##C part#A* part

L i CSS# / il C t



Low in CSS#: /ail!re Co!nter"##C Conn Set!p & A((e"" Anal-"i"

RRC_CONN_STP_FAIL_AC

C!ec U> 7nterAerence( D> oIer % Co"e occupancG iA t!ere is nee" to up*ra"e ra"io capacitG

RRC_CONN_STP_FAIL_BTS

Evauate NB& counters 8ra"io in reconA. aiures: an" 97s Aor troubes!ootin* BTS resources

C!ec BTS conAi*uration in ter4s oA CE aocation – Use C!anne Ee4ent 8033': Counters in or"er to

evauate ac oA C!anne Ee4ents

Epan" t!e CapacitG or "ecrease t!e traAAic oAAere" to t!e site unti t!e probe4 is sove"

7n case BTS is not respon"in* "eete an" re-create C5C5

RRC_CONN_STP_FAIL_TRANS

Evauate Nu4ber oA reconAi*uration Aaiure "ue t!e trans4ission

C!ec C5C5 ConAi*uration

Epan" t!e capacitG or "ecrease t!e traAAic oAAere" to t!e site unti t!e probe4 is sove"

RRC_CONN_STP_FAIL_RNC

TGpicaG RNC Aaut or 7nco4in* SRNC Reocation aiure 8inter-RNC bor"er:

RePuire" 7CSU o* tracin* iA no RNC Aaut or SRNC reocation probe4

Co44unicate t!e probe4 to Care "epart4ent

RRC_CONN_STP_FAIL_RNTI ALLO FAIL

RNC "eci"es to reect RRC connection rePuest "ue to RNT7 aocation Aaiure cause" bG RR=U overoa"



Low in CSS#: /ail!re Co!nter"##C Conn Set!p & A((e"" Anal-"i"

RRC_CONN_STP_FAIL_IUB_AAL2_TRANS Up"ate" I!en t!ere is s!orta*e or bocin* oA &&>2 resource

& subset oA RRCHC5NNH&7>HTR&NS I!ic! incu"e ER$EC Aai "ue to so4e reason suc! as D=

probe4 in RNC M ER$EC Aai "ue to transport resource nee"e" in RNC betIeen RNC$=W

RRC_CONN_ACC_FAIL_RADIO

Do4inant Aaiure causes "ue to Iron* U> or D> covera*e

U> Covera*e - C!ec iA ce is aAAecte" bG an eterna interAerence 8T!er4a Noise 4easure4ents:.

D> Covera*e - Tune SCCC) oIer iA UE "oes not receive t!e RRC Setup =essa*e

- 7A UE "oes not sGnc!ronie( re"uce N"#$ Aro4 2 to ' 8"epen"s on UE 4o"e: or tuneCPICH%oRefRA&'ffset vs.

(qualmin 8or rev4in:

RRC_CONN_ACC_FAIL_MS

U> Covera*e - Tune Ce Do4inance 8or C7C): in or"er to baance U> an" D> 8iA U> interAerence iA not t!e cause:.

C!ec iA ce is aAAecte" bG an eterna interAerence 8T!er4a Noise 4easure4ents:.

Lo in CSS# /ail!re Co!nter"



Low in CSS#: /ail!re Co!nter"#A* "et!p & A((e"" /ail #oot Ca!"e Anal-"i": #T an8 N#T 9I1*

8omain"RAB_STP_FAIL_XXX_AC

C!ec U> 7nterAerence( D> oIer % Co"e occupancG iA t!ere is nee" to up*ra"e ra"io capacitG usin* t!e area"G"istribute" Noia CapacitG C!ec B5 report.

C!ec rTar*et $ r5AAset $ oA t!e aAAecte" ces

RAB_STP_FAIL_XXX_BTS

Evauate NB& counters 8ra"io in reconA. &"" Aaiures: an" 97s Aor troubes!ootin* BTS resources

C!ec BTS conAi*uration in ter4s oA CE aocation – Use C!anne Ee4ent 8033': Counters in or"er to evauateac oA C!anne Ee4ents

Epan" t!e CapacitG or "ecrease t!e traAAic oAAere" to t!e site unti t!e probe4 is sove".

7n case BTS is not respon"in* "eete an" re-create C5C5

RAB_STP_FAIL_XXX_TRANS

Evauate Nu4ber oA reconAi*uration Aaiure "ue t!e trans4ission

C!ec ='330C'2/ C&NCH&DDHSRNCHTR&NHSTH&7>

C!ec R&BHSTH&7>HXXXH7UBH&&>2( ='33'C0+'-C0++

C!ec C5C5 ConAi*uration

RAB_STP_FAIL_XXX_RNC

TGpicaG RNC Aaut or 7nco4in* SRNC Reocation aiure 8inter-RNC bor"er:

RePuire" 7CSU o* tracin* iA no RNC Aaut or SRNC reocation probe4

Co44unicate t!e probe4 to Care "epart4ent

Low in CSS#: /ail!re Co!nter"



Low in CSS#: /ail!re Co!nter"

#A* "et!p & A((e"" /ail #oot Ca!"e Anal-"i": #T an8 N#T 9I1*8omain"

RAB_ACC_FAIL_XXX_UE

Evauate Ce resource r an" t para4eters 8sa4e as R&BHSTH&7>HXXXH&C Case:

RAB_ACC_FAIL_XXX_RNC

TGpicaG RNC Aaut or 7nco4in* SRNC Reocation aiure 8inter-RNC bor"er:RePuire" 7CSU o* tracin* iA no RNC Aaut or SRNC reocation probe4

Co44unicate t!e probe4 to Care "epart4ent.

=ig3 in DC#



=ig3 in DC#To! 4N5 dro!s

Cell and its Neig$6or

Cells availa6ilit(

Alar7s8Ti&#ets

Con9gration

Para7eter adit

SHO S&&essRate ; </=>

Con' O2 >

Site O2 >

3SHOFailres

I!r

per0orman(eIn2e"tigation I!r

A!8it a87a(ent "ite" 0oralarm"; A2aila,ilit-;(on<g!ration an8

&a!a&it(

TraQ(Neig3,o!r" Per0orman(e

9!"e S=O "!((e"" per a87"

(o!nter" to i8enti0- ,a8l-

per0orming neig3,o!r" & Map

,? Cell atRNC 6order>

NO

@ES

New "ite

Anal-"e la"t 8etaile8ra8io mea"!rement"

#/ an8 I/1IS =Oneig3,o!r optimi"ation

No &ell 'ondratio ./ =

3SHO S&&essRate ; <B=

#/ an8 IS=O neig3,o!roptimi"ation

?. (ell (o2er"o2er a (o2erage

3ole

?. (ell atinter$#NC,or8er

Co2erage i""!e 9new "itenee8e8

No (ell 0o!n8ratio J' U an8

eno!g3 AD.

Core: Inner" 1 O!ter"

a!8it

. : TC= ,lo(king

?. : Wrong N,org" 8e<nition

NO

@ES

@ES

@ES

NO

@ES

NO

@ES

@ES

S=O

IS=O

Top

i""!e"

C ll 8 l i



Call 8rop anal-"i" pro(e""

Start

Best server’sRSCP !"#2$B%

Best server’sE&'No !"2$B

Coverage O(ti%i)ation

Do%inan&e O(ti%i)ation

*es Neig+,o-r .ist O(ti%i)ation

Missing

Neig+,o-r

*es

S/O Fai.e$

Investigate (ossi,.eBTS or RNC(ro,.e%

NoIS/O Fai.e$

No

IS/O Fai.-reAna.0sis

*esS/O Fai.-reAna.0sis

No

No

No

A-

Call Drop Anal-"i" pro(e"" > S=O Anal-"i"



Call Drop Anal-"i" pro(e"" S=O Anal-"i"

DL ASU re&eive$

SC C.as+

UE T1Poer Ma1

Fi1 SC C.as+

CPIC/ O(ti%isation

U(.in3

Inter4eren&e

Loa$ O(ti%isation'E1terna. Inter4erer

Lin3Un,a.an&e$

Inter RNC /O

C+e&3 I-r

Congestionon target &e..

Loa$O(ti%isation

C+e&3 neig+,or $e4inition (ara%eters

C+e&3 RF Leve.s

DL T1Poer Ma1

Start

*es

No

*es

No

No

No

*es

*es

*es

*es

*es

No

No

No

*es

No

C

D

A



Drop (all 0ail!re" > #/ i""!e

R "rops 4ostG "ue to poor"o4inance or interAerence

oor covera*e cou" ea" to 7S)5(at!ou*! poor "o4inance orinterAerence can cause 7S)5 to Aai.

Rapi" Aie" "rop can cause "rop "ueto covera*e

oor "o4inance or interAerence cancause Co4presse" =o"e 8C=: tostart even iA RSC is sti *oo".

7n C= UE trans4its Iit! !i*!erpoIer 84ore interAerence: an"spen"s ess ti4e on + 8essaccurate 4easure4ent reportin*:

oor "o4inance or interAerence canea" to &ctive Set up"ate Aaiuresan" eventuaG to "rop ca. Poor 8ominan(e

(a!"e" A(ti2e Set!p8ate 0ail!re"

A

Drop (all 0ail!re" > #/ i""!e A




D> sGnc!ronisation is ost -UE !as stoppe" trans4ittin*

TrC!&** an" D>DCC) BER !i*!

A

D ll 0 il #/ i A




Tran"port C3annel*)#@ *tw %)X$#NC 9MAC la-er

Sometime" DPCC= *)# 9,tw %)X$W*TS(an ,e a ,etter in8i(ator o0 w3atF"3appening to t3e 8e8i(ate8 (3annel t3ant3e CPIC= )(No; in parti(!lar in t3e (a"et3at power (ontrol ma- not ,e tra(king well

/airl- goo8CPIC= Pilot)(No

A

Drop Call /ail!re" S "tem i""!e *TS-



Drop Call /ail!re" > S-"tem i""!e *TS

S!88en 8rop to i8le; no 8i"(onne(t me""aging

– Site mal0!n(tion" to ,e (3e(ke8

– In t3e eBample ,elow "ite 3a8 0a!lt- !nit 9WT#

-

Drop toIDL)

Drop Call /ail!re" S-"tem I""!e" #NC -



Drop Call /ail!re" > S-"tem I""!e" #NC

S!88en 4##CConne(tion #elea"e6

DPCC= *)#

?CC Disconnect@ "ue to

?D> RRC ConnectionReease@

No response to U>=easure4ent Reports

7n t!e ea4pe site !a" noaar4s( *oo" R % BER

Not abe to a"" SC260 to &ctive Set( net ca on t!esa4e ce L no Aaiure.

DiAAicut to troubes!oot iAt!e Aaiure "oes not!appen sGste4aticaG LAooI up in t!e netIees "rive $ "o aseparate "rive test in t!earea

-

Drop (all 0ail!re" 9SC (oni(t C



Drop (all 0ail!re" 9SC (oni(t

Su""en "rop to i"e

4o"e 8no "isconnect4essa*in*:

Cause oA t!e AaiureFovers!ootin* site an"SC reuse

S!ort ter4 soution toa"" overs!ootin*nei*!bour in &DS"eAinitions

Cell ABC, SC2!

Tran"port(3annel*L)# +''U

C

Drop (all 0ail!re" > %plink Inter0eren(e D



Drop (all 0ail!re" > %plink Inter0eren(e DU> interAerence Aro4 t!e

S7B# 4essa*e

Drop (all 0ail!re" > Link *alan(e D



Drop (all 0ail!re" Link *alan(e DU> % D> oIer Contro co44an"s can!ep in"icatin* probe4s in in baance.

C ArePuencG is '033 )( t!us i"eaG t!esu4 oA C co44an"s to increase or"ecrease poIer is '033

E.*. iA t!e su4 oA U> C co44an"s is ,'033( t!is Iou" in"icate UE is startin* tooose sGnc!roniation

in Co4presse" =o"e t!ere is ess Cco44an"s( UE spen"s ti4e on 2

UE RX poIer contro

4essa*eF D> reception

Iea - UE is or"erin*

WBTS to increase poIer.

S!m o0 %L PC (omman8"X +''; %) not re(ei2ingall t3e PC (omman8"@

D ll 0 il S t i



Drop (all 0ail!re" > S-"tem i""!e#NC or *TS

4CC Di"(onne(t6 8!e to 4DL ##C Conne(tion #elea"e6 i" 7!"t a(on"e5!en(e o0 0ail!re w3i(3 (an ,e 8!e to 8ierent rea"on"

– /rom %) point o0 2iew L?$me""aging 8oe" not i8enti0- t3e pointo0 0ail!re 8i"tin(tl-

– *TS or #NC 0ail!re S!"pe(t *TS <r"t; t3en #NC

#!le o!t *TS 0ail!re" – C3e(k t3e "ite per0orman(e 0rom Co!nter" 9I!,; Ser2i(e le2el; (ell

re"o!r(e" S=O; et( an8 t3at "ite i" (arr-ing traQ(

– PrBNoi"e; re(ei2e link parameter"; alarm"

– SC>re!"e

– %) per0orman(e

I8enti<e8 (a!"e" 0or A(ti2e Set %p8ate 0ail!re

– 4Dea06 "ite" 9PrBNoi"e

– /a!lt- =W

– SC$re!"e

=SDPA low t3ro!g3p!t



g p

OSS (o!nter"mea"!rement 8ata

(olle(tion

I8enti0-Low

t3ro!g3p!tarea" i0

eBi"t

Lowt3ro!g3p!t 8!eto low)(1No

or CI I8enti0- rea"on 0or lowt3ro!g3p!t i0 not #/

G Mo,ilit- 9(ell (3ange too0re5!ent

G No =SDPA (o2erage

G I!, 1 I! %"er PlaneCapa(it-

G Ot3er =SDPA !"er" in"ame W*TS1Cell

G DC= traQ( too =ig3 9DPA;=SDPA Priorit-Start ParameterOptimi"ation ,- t!ning

G =SPDA Mo,ilit-parameter" 9/MCS

G PtBMaB=SDPA 9WC)L

G D-nami( /low Control "etto ON 9W*TS

I0 low t3ro!g3p!t8!e to low )(1No orPoor CI; i8enti0-rea"on

G *a8 Co2eragePlanning

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