GSM InitialTuning (PLO)

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GSM SERVICE DELIVERYGUIDELINE FOR

INITITAL TUNING SERVICE DELIVERY DESCRIPTION/P

LO

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Table of contents

1 INTRODUCTION..............................................................................................................................3

1.1 General..............................................................................................................................................31.2 Abbreviations....................................................................................................................................41.3 Input..................................................................................................................................................51.4 Output...............................................................................................................................................5

2 TIME TABLE....................................................................................................................................6

3 TOOLS FOR INITITAL TUNING SERVICE DELIVERY DESCRIPTION............................7

3.1 CELL PLANNING...........................................................................................................................73.2 CONSIS ENC! C"EC#ING.........................................................................................................73.3 $%I&E ES ING............................................................................................................................73.4 S!S E' 'ONI O%ING................................................................................................................(

4 PROCEDURE....................................................................................................................................8

4.1 General..............................................................................................................................................(4.2 )or*+lo,..........................................................................................................................................-4.3 Para eter C/e0*.............................................................................................................................14.4 Consisten0 0/e0*...........................................................................................................................114.4.1 Determine what to check.............................................................................................................114.4.2 Perform the check.......................................................................................................................114.4.3 Analyzing the consistency report................................................................................................124.4.4 Updates........................................................................................................................................124.5 $%I&E ES S...............................................................................................................................124.5.1 Preparations................................................................................................................................124.5.2 Personnel.....................................................................................................................................124.5.3 est ro!tes...................................................................................................................................134.5.4 Packet data dri"e testing ...........................................................................................................14

4. Per+or an0e onitorin .................................................................................................................14.#.1 $tatistics re"iew...........................................................................................................................1# 4.#.2 %e"iew from other meas!rements...............................................................................................1# 4.#.3 &!stomer complaints re"iew.......................................................................................................1# 4.7 ANAL!SIS.....................................................................................................................................174.'.1 Pro(lem identification................................................................................................................1' 4.'.2 Action..........................................................................................................................................1' 4.( Para eter tunin ............................................................................................................................174.).1 Parameter t!ning *orkflow........................................................................................................1' 4.).2 &ollect statistics..........................................................................................................................1+4.).3 &hanging parameter "al!es........................................................................................................1+4.).4 ,"al!ating statistics....................................................................................................................1+4.).5 %eporting.....................................................................................................................................1+4.- EA 6%E EnablING.....................................................................................................................24.+.1 ,na(le feat!res *orkflow...........................................................................................................2-4.+.2 Preparation.................................................................................................................................214.+.3 ield rial...................................................................................................................................214.+.4 Acti"ation....................................................................................................................................214.+.5 ollow/!p....................................................................................................................................214.+.# Doc!mentation............................................................................................................................214.1 'EC"ANICAL 6NING............................................................................................................224.11 %E 6ENC! PLANNING.........................................................................................................22

APPENDIX 1-RADIO PROBLEM ANALYSIS............................................................................23

1. LONG SDCCH MEAN HOLDING TIME.................................................................................26

2. SHORT SDCCH MEAN HOLDING TIME...............................................................................27

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3. SDCCH CONGESTION................................................................................................................28

4. POOR SDCCH AND OR TCH AVAILABILITY......................................................................2!

". LO# RANDOM ACCESS SUCCESS RATE.............................................................................3$

6. LO# TCH ASSIGNMENT SUCCESS RATE............................................................................31

7. HIGH TCH DROP CALL RATE.................................................................................................32

8. HANDOVER ANALYSIS..............................................................................................................33

!. NO OR FE# HANDOVER ATTEMPTS....................................................................................34

1$. LO# HANDOVER SUCCESS RATE.......................................................................................3"

11. LO# LLC THROUGHPUT.......................................................................................................37

12. BAD PAC%ET DATA RESELECTION PERFORMANCE...................................................38

13. GSM-UTRAN HANDOVER PROBLEMS................................................................................3!

1 INTRODUCTION

1.1 GENERAL

This document desc i!es the initi"# tunin$ % ocedu e o& the R"dio Net'oDesi$n &o G *.

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It is "n inte$ "# %" t o& the R"dio Net'o Desi$n e +ice. It desc i!es the% ocedu es to !e &o##o'ed 'hen de"#in$ 'ith Initit"# Tunin$ e +ice De#i+e ,Desc i%tion- "s de&ined in the endo e +ice conce%t. This document isdesi$ned to c e"te " common unde st"ndin$ o& ho' to %e &o m Initit"#Tunin$ e +ice De#i+e , Desc i%tion- e$" din$ % ocedu es "nd in&o m"tiono'.

The %u %ose o& the Initi"# Tunin$ is to m" e su e the "dio net'o 'o s'e## "&te the net'o h"s !een !ui#t o in c"se o& "n e/%"nsion. This is "+e , c uci"# "cti+it,- 'hich is o&ten done unde % essu e.

1.2 A00RE IATION

A*R Ad"%ti+e *u#ti R"te AR CN A!so#ute R"dio e uenc, Ch"nne# num!e 0CC 0 o"d C"st Ch"nne#0 IC 0"se t"tion Identit, Code

0 C 0"se t"tion Cont o##e CDD Ce## Desi$n D"t"CER Ce## E+ent Reco din$C4I C" ie to co5ch"nne# inte &e ence "tioCNA Ce##u#" Net'o Administ "tionCNA5I Ce##u#" Net'o Administ "tion Inte &"ceCR Ch"n$e Re uestC Ci cuit 'itchedCTR Ce## T "&&ic Reco din$DT D"t" T "nsc i%tE R Enh"nced u## R"teEG6R Enh"nced Gene "# 6"c et R"dio e +ice

R u## R"teO7 e uenc, O%timi8"tion E/%e tT6 i#e T "ns&e 6 otoco#

G6R Gene "# 6"c et R"dio e +iceG6 G#o!"# 6ositionin$ ,stemI* I Inte n"tion"# *o!i#e u!sc i!e Identit,I6O In%ut 6" "mete O%timi8"tion o&t'" eLAN Loc"# A e" Net'o*CC *o!i#e Count , Code*NC *o!i#e Net'o Code*RR *e"su ement Resu#t Reco din$* *o!i#e t"tion* C *o!i#e 'itchin$ Cente *TR *o!i#e T "&&ic Reco din$NO7 Nei$h!ou O%timi8"tion E/%e tO O%e "tion "nd u%%o t ,stem:O :u"#it, o& e +iceR0 R"dio 0"se t"tionR56*O Re"# Time 6e &o m"nce *onito in$

:I %eech :u"#it, Inde/T t"tistics "nd T "&&ic *e"su ement u!s,stem

TC6 TE* Ce## 6#"nne TE* Test *o!i#e ,stemTRU T "nscei+e Unit

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1.3 IN6UT

In%uts to the Initi"# Tunin$ % ocedu e " e $i+en !, the % ocedu es R"dioNet'o Desi$n- e uenc, 6#"nnin$ "nd 6 e%" "tion o& CDD. These shou#dinc#udeo "cti+ities du in$ initi"# tunin$.

In c"se the settin$ is not suit"!#e &o the net'o - some othe de&"u#t settin$shou#d !e dete mined.

;. .1 6" "mete tunin$ ?o o'

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The %" "mete tunin$ 'o o' is desc i!ed in the &i$u e !e#o'.

ig!re ) raphic representation of the workflow for the 0nitital !ning $er"ice Deli"ery Description proced!re

Du in$ the %e iod 'hen one o se+e "# %" "mete s " e tuned in "n " e"- noothe m">o "cti+ities m", !e %e &o med in this " e" th"t m", "&&ect the

esu#t- in o de to iso#"te the esu#ts "nd so- est"!#ish " c#e" c"use5e&&ecte#"tionshi% !et'een %" "mete s ch"n$es "nd %e &o m"nce ch"n$es.

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Co##ect st"tistics

Ch"n$e %" "mete+"#ue

U%d"te %" "meteecommend"tions-

' ite e%o t i&e ui ed

*o e %" "mete

+"#ues to !etestedH

6" "metedi&&e s & om %" .

ec. "nd4o %" .#o$H

E+"#u"te st"tisticsCom%" e 'ith the% e5"n"#isis esu#t

Recommended+"#ue(s) to !e

ch"n$edH

Bes

Bes

No

No

No

U%d"te %" "mete#o$

Bes

IN

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;. .2 Co##ect st"tistics

0e&o e %" "mete s " e ch"n$ed- st"tistics shou#d !e co##ected &o theintended " e". The st"tistics shou#d !e co##ected &o " ce t"in %e iod !e&o e"n, %" "mete s " e ch"n$ed- in o de to !e "!#e to com%" e "nd to % o+e "nim% o+ement.

The "mount o& st"tistics co##ected must !e su&&icient to est"!#ish st"tistic"##,si$ni&ic"nt esu#ts. In $ene "# it c"n !e st"ted th"t " sm"## "mount o& "&&ectedce##s- e ui e mo e d"t".

;. .3 Ch"n$in$ %" "mete +"#ues

I& the ne' %" "mete +"#ue di&&e s & om the +"#ue $i+en in " %" "meteecommend"tion #ist- " %" "mete #o$ shou#d !e u%d"ted. This is to "+oid the

%" "mete ch"n$es to !e co ected "nd ch"n$ed !"c to thei o i$in"#+"#ue !, the %" "mete st"tus chec .

In $ene "#- on#, one %" "mete shou#d !e ch"n$ed "t " time. I& se+e "#%" "mete s " e $oin$ to !e ch"n$ed "t the s"me time the, shou#d !e c#ose#,e#"ted to e"ch othe . 6" "mete s e#"ted to the s"me &e"tu e- e.$. *

6o'e Cont o# mi$ht !e ch"n$ed "t the s"me time i& " com%#ete#, ne'%" "mete settin$ &o this &e"tu e is $oin$ to !e tested.

I& " #" $e num!e o& %" "mete s " e to !e ch"n$ed- o i& " com%#ete#, ne'%" "mete settin$ is to !e tested- the % ocedu e &o &e"tu e en"!#in$ shou#d!e conside ed.

;. .; E+"#u"tin$ st"tistics

E+"#u"tin$ st"tistics is the e, "cti+it, in %" "mete tunin$. It is im%o t"nt to

m" e su e the u"#it, does not dete io "te in the su oundin$ " e"s

;. .= Re%o tin$

The %" "mete ch"n$es shou#d !e documented. ?ith #imited %" "metetestin$ "cti+ities- u%d"tin$ o& the #o$s shou#d !e su&&icient. ?ith #" $e testin$% o>ects- the "cti+ities shou#d !e documented in % o>ect e%o ts.

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;.9 EATURE ENA0LING

The %u %ose o& en"!#in$4dis"!#in$ &e"tu es is to "chie+e !ette net'o%e &o m"nce !, m" in$ use o& "ddition"# net'o so&t'" e &unction"#it,.

Re$" din$ &e"tu es "&&ectin$ inte &e ence o st on$#, e#"tion 'ith & e uenc,%#"nnin$ o euse %"tte ns

;.9.1 En"!#e &e"tu es ?o o'

2. Proposal

no es

5. iel9 rial

7. A0tivation

(. ollo,8up

-. $o0u entation

. Goa/ea9=

noes

3. iel9trial=

1. Sele0teature

ig!re + raphic representation of the workflow for how to ena(le feat!res

Ce t"in &e"tu es- such "s & e uenc, ho%%in$ "nd o+e #"id4unde #"id su!ce##s-h"+e se+e "# modes o& o%e "tion. A si$ni&ic"nt ch"n$e o& ho' the &e"tu e isused shou#d "#so !e conside ed " &e"tu e en"!#in$.

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;.9.2 6 e%" "tion

The &e"tu e shou#d !e studied in det"i#- %" ticu#" #, 'ith es%ect to%" "mete s- e/%ected !ene&its "nd %ossi!#e d "'!"c s. A document shou#d

!e % e%" ed cont"inin$< %" "mete settin$s " e"s4 e$ions 'he e the &e"tu e shou#d !e en"!#ed int oduction time &o the +" ious %" "mete settin$s me"su ement methods e/%ected outcome &"##!"c % ocedu es

The &"##!"c % ocedu e shou#d $i+e det"i#s "!out the st"te o& the net'o!e&o e en"!#in$ the &e"tu e (%" "mete settin$- o%e "tion mode-$eo$ "%hic"# " e" etc.) "nd 'he e this in&o m"tion is sto ed.

;.9.3 ie#d T i"#

I& the &e"tu e to !e en"!#ed is sus%ected to h"+e " #" $e o dou!t&u# im%"cton the net'o %e &o m"nce- the en"!#in$ mi$ht h"+e to !e % eceded 'ith "

"dio net'o &ie#d t i"# co+e in$ " &e' sites. I& the esu#ts & om the &ie#d t i"#s" e %ositi+e- the &e"tu e shou#d !e en"!#ed in " #" $e " e".

In othe c"ses- on#, "n "%%#ic"tion o+e " 'ide "n$e c"n c e"te the %ositi+e%u sued e&&ect- &o e/"m%#e 'ith 6o'e Cont o# &e"tu e.

;.9.; Acti+"tion

T "nd4o eco din$ &unctions shou#d !e used to co##ect %e &o m"nce d"t"&o "t #e"st one 'ee % io to en"!#in$ o& the &e"tu e. The d"t" shou#d !ese#ected so th"t " com%" ison "nd e+"#u"tion o& the net'o %e &o m"nce!e&o e "nd "&te the int oduction o& the ne' &e"tu e c"n !e %e &o med.

I& the ch"n$e in the net'o is #" $e "nd e/%ected to !e si$ni&ic"nt- theNet'o *"inten"nce4O%e "tion unit- o simi#" - shou#d !e in&o med "!outthe %#"ns 'e## in "d+"nce. I& the %" "mete ch"n$es " e se +ice "&&ectin$-the, shou#d "#so !e in+o#+ed in %#"nnin$ the time &o the ch"n$es.

?hen e+e ,thin$ is e"d,- the &e"tu e shou#d !e s'itched on.

;.9.= o##o'5u%

T o eco din$ &unctions shou#d !e co##ected &o "t #e"st " 'ee "&te thene' &e"tu e h"s !een s'itched on. D i+e testin$ c"n "#so !e used to co##ect"ddition"# d"t". ome mino o%timi8"tion o& the &e"tu e mi$ht !e e/%ectedthe &i st &e' d",s.

I& the &e"tu e does not $i+e the e/%ected !ene&its- some e"##, $oode/%#"n"tions must !e % e%" ed to the custome . Usu"##,- 'hen &"nc,&e"tu es " e s'itched on- "#most nothin$ me"su "!#e h"%%ens. I& thenet'o %e &o m"nce dete io "tes due to the ne' &e"tu e- " &"##!"c% ocedu e shou#d !e "cti+"ted.

;.9. Document"tion

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A## ch"n$es o& %" "mete settin$s "nd me"su ement esu#ts in the net'oshou#d !e documented.

;.1 *EC ANICAL TUNING

*ech"nic"# "d>ustments to the "ntenn"s such "s ch"n$es o& the "ntenn" ti#t"nd hei$ht "&&ect the ecei+ed si$n"# st en$th "nd the e!, the co+e "$e " e""nd inte &e ence #e+e#s.

The hei$ht o& the "ntenn" %osition "&&ects the ce## co+e "$e " e". The hi$hethe "ntenn" %osition- the !i$$e the co+e "$e " e". In c"se the "ntenn" is#oc"ted in " to'e - it is sometimes %ossi!#e to ch"n$e the hei$ht to "chie+ethe co+e "$e " e" o!>ecti+es. 0e&o e the "ntenn" hei$ht is ch"n$ed- "tho ou$h "n"#,sis shou#d !e m"de in TE* Ce## %#"nne to m" e su e theo!>ecti+es 'i## !e met !, the ch"n$e.

As most sites use the e#"ti+e#, n" o'5!e"med =5de$ ee "ntenn"s- theco+e "$e mi$ht sometimes !e 'e" &" & om the m"in "ntenn" di ection.

ometimes- " e5di ection o& "n "ntenn" m", he#% the situ"tion. A e5di ection 'i## o& cou se "#so "&&ect the inte &e ence situ"tion in the net'o -"nd shou#d !e c" e&u##, e+"#u"ted !e&o e im%#ement"tion.

0, do'n ti#tin$ the "ntenn" (eithe mech"nic"##, o e#ect ic"##,)- the co+e "$e" e" c"n !e educed- "nd in %" ticu#" the s%i##o+e co+e "$e c"n !e

emo+ed. Antenn" do'n ti#tin$ thus "&&ects the ce## %#"n !oth 'ith e$" d toce## !o de s "nd inte &e ence. Do'n ti#tin$ c"n educe the inte &e ence in co5ch"nne# o "d>"cent ch"nne# ce##s "s 'e## "s in the ce## itse#&. In "ddition-do'n ti#tin$ $i+es " $ene "##, c"#me !eh"+io in the net'o - "s the si$n"#st en$th !ecomes mo e concent "ted to the " e" c#ose to the site. The m">od "'!"c o& h"+in$ too much do'n5ti#t- is the is o& " #oss in o+e "##co+e "$e. The esu#t o& mech"nic"# "nd e#ect ic"# do'n ti#ts is di&&e ent- "ndthis "s%ect shou#d !e conside ed 'hen decidin$ the ti#t "n$#e. Common#,-the mech"nic"# do'nti#t im%#ies " side#o!e !oost e&&ect- 'hich does not"%%e" 'ith e#ect ic"# do'nti#t.

;.11 RE:UENCB 6LANNING

*">o inte &e ence % o!#ems e ui e " ch"n$e o& & e uenc, in one o mo ece##s. o " #ess se+e e % o!#em- "ntenn" do'n5ti#ts c"n he#% the situ"tion.*ino inte &e ence % o!#ems c"n !e e#imin"ted o educed !, %" "metech"n$es. *o+in$ ce## !o de s "nd4o ch"n$in$ the h"ndo+e !eh"+io (e.$.

sm"##e h"ndo+e h,ste esis "nd sho te &i#te #en$ths) c"n t" e c" e o& #oc"#inte &e ence % o!#ems.

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)PPE*+!, %-R)+! PR . E0 )*) 1S!S

The &o##o'in$ sections cont"in o'ch" ts &o so#+in$ +" ious "dio % o!#ems.?hen the % o!#em is identi&ied the "%% o% i"te o'ch" t shou#d !e &o##o'ed.

The "n"#,sis shou#d &o##o' the &o##o'in$ ste%s

GSM InitialTuning (PLO)

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