236690950 wcdma rnp rno conspectus

7/16/2019 236690950 Wcdma Rnp Rno Conspectus

1/77

www.huawei.com

HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential

WCDMA RNP&RNO

Concept


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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 2

Main Topics WCDMA RNP Principles and

Procedures

WCDMA RNO Principles andProcedures


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WCDMA RNP Overview

WCDMA Radio Network Dimensioning

WCDMA Nominal Planning

WCDMA Final Design

WCDMA RNP Principles and Procedures


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RN !efnition

Acco"din# to de$lo%ment and e&olution "e'ui"ement(, a( well a( co(t)

e*ecti&ene(( con(ide"ation, #ene"ate the amount o+ Netwo" Element( -NE,

NE conf#u"ation, and T"an(mi((ion de(i#n /etween di*e"ent NE.

Netwo" lannin# Sco$e

Co"e netwo" +ocu( on CN element dimen(ion and conf#u"ation.

Radio netwo" +ocu( on RAN element dimen(ion and conf#u"ation

T"an(mi((ion netwo"

+ocu( on lin dimen(ion and

conf#u"ation /etween netwo" element(.

RNSRNC

RNSRNC

Core Network

Node Node Node Node

!u !u

!ur

!u" !u"!u" !u"

!efnition &Sco$e


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WC!0A netwo" $lannin#(olution

WC!0A Radio netwo" $lannin# -Node12RNC

WC!0A T"an(mi((ion netwo" $lannin# -Iu2Iu"2Iu/

WC!0A Co"e netwo" $lannin# -CS2S domain

WC!0A RN tool( de&elo$ment

U-NetU-NetHuawei

Network KPI

Pilot pollution

Soft-handover ratio and probability

Access probability of

different services

Best Server Distribution

C di!ension

sti!ation result


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O/3ecti&e( o+ netwo" $lannin#

The RF Design of wireless system revolves fourThe RF Design of wireless system revolves four

main principles. These principles aremain principles. These principles are CoverageCoverage,,

CapacityCapacity,, Quality and CostQuality and Cost. And further, adapt to. And further, adapt to

the future network development and epansion.the future network development and epansion.

The RF Design of wireless system revolves fourThe RF Design of wireless system revolves four

main principles. These principles aremain principles. These principles are CoverageCoverage,,

CapacityCapacity,, Quality and CostQuality and Cost. And further, adapt to. And further, adapt to

the future network development and epansion.the future network development and epansion.

CoverageCoverage QualityQuality CostCostCapacityCapacity

Realization of excellent balance of all aspects via network planning


7/77HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 7 7

lannin# i((ue(

4 Planning should meet current standards and demands and alsocomply with future requirements.

4 ncertainty of future tra!c growth and ser"ice needs.

4 #igh $it rate ser"ices require %nowledge of co"erage and capacityenhancements methods.

4 Real constraints

5 Coe6i(tence and co)o$e"ation o+ 7G and 8G +o" old o$e"ato"(.

5 En&i"onmental con(t"aint( +o" new o$e"ato"(.

4 Networ% planning depends not only on the co"erage $ut also on load.

O$&ecti"es of Radio networ% planning4 Capacity'

5 To (u$$o"t the (u/(c"i/e" t"a9c with (u9cientl% low /locin# and dela%.

4 Co"erage'

5 To o/tain the a/ilit% o+ the netwo" en(u"e the a&aila/ilit% o+ the (e"&ice in theenti"e (e"&ice a"ea.

4 (uality'

5 Linin# the ca$acit% and the co&e"a#e and (till $"o&ide the "e'ui"ed :oS.

4 Costs'

5 To ena/le an economical netwo" im$lementation when the (e"&ice i(e(ta/li(hed and a cont"olled netwo" e6$an(ion du"in# the li+e c%cle o+ the

netwo".


8/77HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 8

Reali;e


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WC!0A RN $"ocedu"eo&e"&iew

Capacity

Quality Coverage

Interference

"inal desi#n

preparation

Dimensioning Nominal Planning

Site survey

Deployment

Detailed planning& pre-optimization

Preli!inary desi#n


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WCDMA RNP Overview


WCDMA Preliminar# Design

WCDMA Cell Planning

CON$%N$S


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In$ut &Out$ut

Co"erage related

Co"erage area

Co"erage

pro$a$ility

Capacity related

)ra!c model

*er"ice model

ser density

(uality related

(o*

requirements

+o*

requirements

Demodulationthreshold

*ystem

dimensioning

Num$er of sites

*ystem

con,guration *ector

structure

Num$er of

carriers

Cost on networ%

construction

*ite cost

-quipment cost

!nput Output

Coera!e "esi!n

Capacity "esi!n


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In$ut to Huawei RN!U0TS RN!Guideline


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Out$ut +"om Huawei RN!


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$eceiver Sensitivity

PDC%&'a( 'ini!u! $e)uired Si#nal Stren#th

i$P

P*&'a(

+Slow @adin# 0a"#in4enet"ation Lo((

, $

Duple(er

Antenna

*

P.&D.

P.&*.

41od% Lo((4Inte"+e"ence 0a"#in4@a(t @adin# 0a"#in40a"#in +o" 1ac#"oundNoi(e

, $

Duple(er

Cable

Antenna

Node B

4Inte"+e"ence 0a"#in4@a(t @adin# 0a"#in40a"#in +o"1ac#"ound Noi(e

So+t Hando&e"A"ea

+SHO Gain

WCDMA in% /udget


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Netwo" !imen(ion owcha"t

!DU ??km^2

U ?? km^2SU ??km^2

RA ??km^2HW ??km

Geographical information

DU k!/

U k!/

SU k!/

RA k!/

HW k!/

"#$

%

Ad0ust

*. loadin#

Downwards

'()*%+,

./0123$

45

*. cell ran#e

with specific

*. loadin#

Service-specific Information

Service ,ype1 Proportion

Service Density

Service "orecast

/0123$)

3*%

D. .oadin#

in specific

circu!stances$45Cell $an#e

2 3Capacity-li!ited4

6789:;COST231-HATA,.. .

Applicable Propagation Model

C5S,/67-%A,A1 888

.?@AB

If the upper li!it

of confi#uration

be reached

.ar#e than EF

.ess than 3Covera#e-li!ited4

Shrink the Cell

Cell .oadin# vs8

'a(i!u! Allowable 9alue

N

Add the a!ount of confi#uration

3sectori:ation1 carriers18884

)ual to

SiteConfi#uration

Cell $an#e

Nu!ber of Site


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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 16 16

Ca$acit% B Co&e"a#e T"ade O*

#T$e coera!e for a %CM' syste( is !enerally li(ite" )y t$e uplin*+ T$is is )ecause t$e

(a,i(u( output po-er of t$e (o)ile is lo-er t$an for t$e )ase station. so t$e )ase station can

reac$ lon!er t$an t$e (o)ile can+

#Capacity is !enerally li(ite" )y t$e "o-nlin*+ T$is is )ecause )etter receier tec$ni/ues can )e

use" in t$e )ase station t$an in t$e (o)ile+ ince (ost forecasts pre"ict an asy((etric loa"

-$ere t$e users "o-nloa" "ata to a lar!er e,tent t$an sen"in!. t$e "o-nlin* -ill )e (ost

i(portant fro( a capacity point of ie-+

#Capacity an" coera!e is closely relate" in a %CM' syste(+ %$en traffic increases. t$e leelof interference in t$e syste( increases+ To co(pensate for t$is. t$e (o)ile $as to increase its

output po-er in or"er to "efeat t$e increase" noise. or in alrea"y at (a, po-er. (a*e t$e

connection closer to t$e )ase station+

#ue to t$e increase of traffic. t$e effectie cell area $as s$run*+ T$is )e$aior is *no-n as cell

)reat$in!+ In an M' or TM'syste( t$is pro)le( "oes not arise. since coera!e an" capacity

is lar!ely in"epen"ent+

#To re"uce cell )reat$in! interference (ar!ins are inclu"e" -$en "i(ensionin! t$e net-or*.

-$ic$ $as t$e effect of increasin! site "ensity+


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Coera!e i(ite" plin* Capacity limited scenario

In thi( ca(e the (%(tem load i( hi#he" than the initial &alue u(ed to com$ute

the cell "an#e. Thi( mean( that eithe" the cell ca$acit% mu(t /e inc"ea(ed o"

the cell (i;e dec"ea(ed. The f"(t o$tion i( to inc"ea(e the cell ca$acit% /%

addin# additional ca""ie"( o" A. I+ the (%(tem loadin# "emain( a/o&e the

ma6imum $e"mitted le&el then the cell "an#e mu(t /e "educed (uch that the"e

a"e +ewe" u(e"( loadin# the cell. A "eduction in cell "an#e i( made and the

(%(tem load "e)calculated until the actual (%(tem load matche( the ma6imum

$e"mitted (%(tem load. Thi( then defne( the fnal cell "an#e

Co"erage limited scenario

In thi( ca(e the (%(tem load i( lowe" than the initial &alue u(ed to com$ute the

cell "an#e. Thi( mean( that the "i(e in inte"+e"ence oo" u(ed in the lin /ud#et

calculation wa( to $e((imi(tic. To achie&e a match /etween the actual (%(tem

load and that &alue in the lin /ud#et, the com$lete $"oce(( i( "e$eated with a

lowe" &alue o+ $e"mitted (%(tem load. Thi( will lead to a lowe" inc"ea(e in

inte"+e"ence oo", a #"eate" cell "an#e and thu( mo"e u(e"( in each cell and a

hi#he" actual (%(tem load.


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Coera!e i(ite" plin*#sin! a propa!ation (o"el li*e for e,a(ple *u(uraata. it is possi)le to conert a c$an!e

of t$e interference leel into a c$an!e" site "ensity. co(pare" to a reference case+

#Ta)le )elo- s$o-s t$e c$an!e in nu()er of sites if t$e interference (ar!in in t$e lin* )u"!etis c$an!e"+ ' ne!atie " alue (eans t$at t$e lin* )u"!et is -orse co(pare" to t$e

reference case. an" t$us (ore sites are nee"e"+


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Relation o+ U$lin and !ownlin Load

!ownlin load i( alwa%(

hi#he" than u$lin load due

to

a(%mmet"% in u(e" t"a9c

di*e"ent E/2No &alue( in

u$lin and downlin

o"tho#onalit% in downlin

o&e"head due to (o+t)

hando&e"

0

10

20

30

40

50

60

70

80

90

100

0 10 20 30 40 50

&' 'oad ()*

D''oad()*

Increasin#

asy!!etry


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WCDMA RNP Overview



WCDMA Final Design

CON$%N$S


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Nominal lannin# 1a(ed on the "e(ult o+ netwo" dimen(ion, $"elimina"%

de(i#n $"e(ent In+o"mation o+ theo"etical (ite( includin#

+ollowin#

Site coo"dinate(.

En#inee"in# $a"amete"( (uch a( Antenna hei#ht, a;imuth( and

tilt(.

Radio $a"amete"( (uch a( (c"am/lin# code ,t"an(mit $owe" o+

di*e"ent channel(, etc.


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"elimina"% de(i#n ow cha"t


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A/out (imulation

Unlie GS0 netwo", in C!0A co&e"a#e and ca$acit% a"e too inte")

"elated to /e $"edicted accu"atel%, (o we int"oduced 0onte Ca"lo(imulation to e&aluate the $e"+o"mance o+ a "adio netwo".

Ec Ec/Iopilot pollution distribution

Soft (softer) handover area analysis

UE transmit power Eb/No, access successful rate of each service

0onte Ca"lo i( a (tatic (imulation

!u"in# 0onte Ca"lo (imulation, the $e"+o"mance o+ the netwo" i( anal%;ed

o&e" &a"iou( in(tance( in time -(na$(hot, whe"e UE( a"e in (tati(ticall%

dete"mined $lace( with the #i&en t"a9c model. The a/ilit% o+ each te"minal to

mae it( connection to the netwo" i( calculated th"ou#h an ite"ati&e $"oce((.

WC!0A (imulation


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SetupSetup

networknetwork

DesignDesign

Run ilotRun ilot

!iel"!iel"

Strengt#Strengt#

re"ictionre"iction

ilotilot

$evel$evel

%&'%&'

(raffic(raffic

!orecast!orecast

Avail'Avail'

Run )M(SRun )M(S

(raffic(raffic

si*ulationsi*ulation

Setup fixe"Setup fixe"

$oa" values$oa" values

Make pre"ictionsMake pre"ictions

+Services,+Services,

erfor*anceerfor*anceRe-uire*entsRe-uire*ents

!ulfille"'!ulfille"'

.eig#bors planning/.eig#bors planning/Scra*bling co"eScra*bling co"e

allocationallocation

R. 0nput /R. 0nput /

1-uip*ent1-uip*ent

configurationconfiguration

.eig#bor#oo".eig#bor#oo"

planning criteriaplanning criteria

Scra*bling co"eScra*bling co"e

allocation criteriaallocation criteria

%utput%utput

para*eterspara*eters

21S21S

.%.%

21S21S

.%.%

21S21S

.%.%

(raffic *o"el(raffic *o"elSimulation ow)cha"t


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Simulation out$ut

Simulation out$ut

ilot co&e"a#e -Ec, Ec2Io in theta"#et a"ea( 1e(t (e"&e" $lot

Co&e"a#e $"o/a/ilit% di(t"i/ution o+each (e"&ice

Acce(( +ailu"e di(t"i/ution and(tati(tic o+ each (e"&ice

Continuou( co&e"a#e a"ea( o+ each(e"&ice

Cell load di(t"i/ution o+ downlin andu$lin

ilot $ollution di(t"i/ution

So+t hando&e" a"ea( (tati(tic o+ each(e"&ice

li i d i


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"elimina"% de(i#n out$ut

ro3ect backgroun" intro"uction

(arget areas infor*ation suc# as population4 "istrict "ivision etc5

Ra"io network solution6 sites "istribution plot4 sites list etc5

erfor*ance su**ary base" on t#e si*ulation result5

Annex6 si*ulation output

In preli!inary desi#n sta#e1 we choose initial sites1 do network perfor!ance

si!ulation1 conduct ad0ust!ent accordin# to the si!ulation result1 until

finally we #et all perfor!ance re)uire!ents fulfilled1 then we can output the

;; pro0ect


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WCDMA RNP Overview



WCDMA Final Design

CON$%N$S

@inal !e(i#n ow


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@inal !e(i#n ow)cha"t

Site list

Radio network

preliminar# plan

report

New site or not+, site or not

Output Searc-Rings

I"entifyt$eoreticalsite

Con.irm site

conditions

or not

Site surve# report

Meet site

re/uirements

or not

0es

Site surve#

No

0es

0es

No

0es

No

No

Noise test Noise test report

ase" on t$e preli(inary "esi!n report.

-e con"uct (ore "etaile" cell plannin!+

ase" on t$e preli(inary "esi!n report.

-e con"uct (ore "etaile" cell plannin!+


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@o" each theo"etical (ite, a $h%(ical (ite will /e ac'ui"ed in thi( $ha(e

th"ou#h +ollowin# (te$(

efine searc$ areas

ite ran*in!

I"entify can"i"ate sites

ite ac/uisition

Site Su"&e%

A suita$le physical site

Gi&e ade'uate "adio co&e"a#e.

Ha&e connecti&it% into the t"an(mi((ion netwo".

1e ae(theticall% and $oliticall% acce$ta/le to the local communit%.

Ha&e $owe" nea"/%, #ood acce(( and a co)o$e"ati&e owne".

'1rd

2st

C+nd nsuita"le


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Site Su"&e% "e$o"t The (u"&e%o" will $"e$a"e a "e$o"t li(tin# the o$tion(,

and +ollowin# item( will included in the "e$o"t Accu"ate #"id "e+e"ence.

Accu"ate hei#ht o+ (t"uctu"e( o" a&aila/le antenna window(.

hoto#"a$h( o+ the (ite.

8DF $ano"amic $hoto( +"om (ite o" i+ o/(t"ucted +"om

nea"/% location2(t"uctu"e.

"ro! site survey report1 $NP en#ineers can derive

appropriate site location1 antenna type1hei#ht1 a:i!uth1 down tilt1 etc8


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e"ifcation /% (%(tem (imulation

It i( an ite"ati&e $"oce(( to

&e"i+% the fnal de(i#n until

all the "e'ui"ement( a"e

+ulflled

Coverage prediction

RNP

Planningresults

Are

Re/uirement

s Ful.illed3

$ra..ic distri"ution S#stem simulation

WC!0A RN out$ut


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WC!0A RN out$ut

'AC4 RAC4 SAC Plan

Neig-"or relation plan 5intra6.re/uenc#4 inter6

.re/uenc#4 and inter6s#stem7 Fre/uenc# plan

Scram"ling code plan

Power allocation .or eac- c-annel

8andover parameters

Access control parameters

Ot-er radio parameters

A.ter per.ormance veri.ication "# simulation4 we produce 99:: pro;ect

RNP report


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Main Topics WCDMA RNP Principles and

Procedures

WCDMA RNO Principles andProcedures


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%CM' :rinciples an" :roce"ures

/rief 0ntroduction

*ingle *ite 1eri,cation

Radio 2requency Optimi3ation

Parameters Optimi3ation

Regular )esting 4 5P0 Analysis


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)o enhance networ%

performance))) e.#. co&e"a#e2acce((i/ilit%2mo/ilit%

)o resol"e speci,c issues

))) e.#. inte"+e"ence2co&e"a#e

)o impro"e su$scri$ers6 (o-

))) e.#. (e"&ice 'ualit%2d"o$ call(

)o enhance networ% sta$ility

))) e.#. t"a9c inc"ea(e2u$#"ade

Netwo" O$timi;ationTa"#et


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WC!0A O$timi;ation O&e"&iew

:reaunc$ pti(i;ation < 1pti(isation=

Initial step to fine tune an" opti(ise %CM' net-or* )ase" on 1


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Constructionphase

)rou$leshooting

Booming phasePotential *ee%ing

Mature phase/alancing

)ime

*u

$s.

Num

$er

R2 planre"iew

*ingle site"eri,cation

Pre7launchoptimi3ation

Ianal%(i(

Com$laint(!T B C:T

Pro$l

em

analy

sisand

resolu

tio

n

Cu(tomi;ed anddi*e"entiated

(e"&ice(

1illin#(t"ate#ie(

!"o$ call

Con#e(tion

oo" 'ualit%

Acce(( +ailu"e

4R2 ad&ustment

4Para. ad&ustment

4Maintenance and upgrade

4Networ% e8pansion

499.

In&e(tme

nt Retu"n

Commercial launch

Optimi3ation throughout ifeCycle


38/77


Networ% Optimi3ationPhases

R@ o$timi;ation

J

N

NJ

Sin#le (ite &e"ifcation

K G (ite( inthe

clu(te" "ead%

Se"&ice te(t and

$a"amete"o$timi;ation

Routine d"i&e te(tand (tat(.anal%(i(

Acce$tance

c"ite"ia(ati(fed

New (ite inte#"ated

O$timi;ation

$"e$a"ation

Acceptance

N t O ti i ti


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Netwo" O$timi;ationha(e( *ingle site "eri,cation

To &e"i+% the +unctionalit% o+ new (ite(

))) e.#. (ite in(tallation, /a(ic +unction( o+the cell R2 optimi3ation

To cont"ol inte"+e"ence B $ilot $ollution

To o$timi;e co&e"a#e B 8G nei#h/o" li(t(

*er"ices test 4 para.

optimi3ation

To e&aluate netwo" $e"+o"mance

To o$timi;e netwo" $a"amete"( Regular route testing 4 stats.

analysis To monito" B e&aluate netwo" $e"+o"mance

To identi+% B (ol&e new netwo" i((ue(

))) e.#. i((ue( cau(ed /% t"a9c inc"ea(e

rep

aratio

n

has

e!

has

e"

has

e#


40/77


/rief 0ntroduction


Radio 2requency Optimi3ation

Parameters Optimi3ation

Regular )esting &5P0 Analysis



41/77


Site e"ifcation Ta"#et )o "erify cell co"erage

CICH RSC

)o in"estigate interference

Node1 RTW B CICH Ec2Io

)o "erify site installation

e.#. A2antenna2+eede"( i((ue(

)o chec% ser"ice function CS call B S attach2detach


42/77


Site e"ifcation Item( Cell $asic information con,rm

Item +"e'uenc%, SC, LAC2RAC Tool en#inee"in# UE

u"$o(e /a(ic $a"amete"( chec

Cell co"erage "eri,cation Item CICH RSC

Tool en#inee"in# UE o" (canne"

u"$o(e identi+% e'ui$ment i((ue(

))) e.#. A, antenna, +eede" connection,

etc


43/77


Site e"ifcation Item( Cell interference in"estigation

Item Node1 RTW, CICH Ec2Io Tool Node1 L0T, en#inee"in# UE o"

(canne"

u"$o(e UL2!L inte"+e"ence in&e(ti#ation

*er"ice function "eri,cation

Item &oice -0O20T, -0O20T

S attach2detach, ! acti&ation

Tool en#inee"in# UE

u"$o(e CS2S (e"&ice +unction chec


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An e8ample Chec% list

E6am$le Site e"ifcationChecli(t


45/77


/rief 0ntroduction


Radio 2requency Optimi3ation Parameters Optimi3ation

Regular )esting &5P0 Analysis


i i i


46/77


R@ O$timi;ation Ta"#et

)o optimi3e co"erage

)o minimi3e pilot pollution

)o optimi3e cell dominance

)o optimi3e neigh$or cell list

)o resol"e R27related drop

calls

R2 O ti i ti


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R2 Optimi3ationProcedure !"i&e te(t

Identi+% R@ i((ue(

Identi+% candidatecell( +o" chan#e(

Identi+% natu"e o+"e'ui"ed chan#e(

!ete"mine amounto+ chan#e(

Im$lement chan#e(

Re$eat d"i&e te(t

@ini(hed

N

"o/lem "e(ol&ed

J


48/77


P7CP0C# as Measurement Reference

Recei"ed *ignal Code Power -in d1mCP0C#R*CP

recei"ed energy per chip di"ided $y the power density in the$and-in d1

CP0C#-c:No

"ecei&ed wide /and $owe", includin# the"mal noi(eand noi(e #ene"ated in the "ecei&e"

)RAcarrierR**0

CP0C# -c:No ;CP0C# R*CP

)RA carrier R**0

CP0C# -c:No>? 6+@

2? 6+1=

+? 6+1

1? 6++====

@B? 6>=

@? >

-c:No "alues ind/

CP0C# R*CP

>? 622

2? 622@

+? 6221

?? 6+B

? 6+E

RSCP values in dm

)RA carrierR**0>? 622>

2? 62>

+? 62>

?B2? 61

B+? 61

B1? 61B

RSS! values in dm

pti(i;ation erie- loc* '


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pti(i;ationerie- loc* '

O$timi;ation)O&e"&iew


50/77


O$timi;ation O&e"&iew

O$timi;ation O&e"&iew 1loc A


51/77


O$timi;ation)O&e"&iew 1loc A

CP0C# C


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CP0C# Co"erageOptimi3ation

Wa%( to o$timi;e

-


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Poor Co"erage' -8ample

pti(i;ation erie- loc*


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pti(i;ationerie- loc*

pti(i;ation erie- loc* C


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pti(i;ationerie- loc* C

Cell Dominance


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Cell DominanceOptimi3ation

Cells with no dominance at all

To indicate the (ite not "adiatin#

o" to indicate antenna( /locin#

Cells with e8cessi"e or poordominance

!ue to non)o$timum antenna tilt(

o" due to a hi#h (ite

Areas of non7dominance

!ue to no a (in#le clea" dominant cell

Cell dominanceanalysis'

Site visitneeded

(1) Frequent soft HO

(2) nterference to ad!acent

cells

Poor Cell Dominance'


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Poor Cell Dominance'-8ample

ilot ollution


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ilot ollution0inimi;ation

Wa%( to o$timi;e

-


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ilot ollution E6am$le

Summa"% O+ Solution(


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Summa"% O+ Solution(

4!own)tiltin# o+ inte"+e"in# cell(P antenna,which #ene"ate $ilot $ollution

4Chan#e CICH T6 owe" Inc"ea(e(e"&in# cellP( T6 $owe" /ut dec"ea(einte"+e"in# cellP( T6 $owe"

4Chan#e antenna /ea"in# an#le( o+ cell(in&ol&ed in $ilot $ollution

4!ec"ea(e antenna hei#ht o+ inte"+e"in#cell( and inc"ea(e antenna hei#ht o+&ictim cell with ade'uate tiltin# an#le

4Chan#e antenna $atte"n( o+ cell(in&ol&ed in $ilot $ollution. Smalle" #ain(+o" inte"+e"in# cell( and hi#he" #ain +o"&ictim cell

4!own)tiltin# o+ inte"+e"in# cell(P antenna,which #ene"ate $ilot $ollution

4Chan#e CICH T6 owe" Inc"ea(e(e"&in# cellP( T6 $owe" /ut dec"ea(einte"+e"in# cellP( T6 $owe"

4Chan#e antenna /ea"in# an#le( o+ cell(in&ol&ed in $ilot $ollution

4!ec"ea(e antenna hei#ht o+ inte"+e"in#cell( and inc"ea(e antenna hei#ht o+&ictim cell with ade'uate tiltin# an#le

4Chan#e antenna $atte"n( o+ cell(in&ol&ed in $ilot $ollution. Smalle" #ain(+o" inte"+e"in# cell( and hi#he" #ain +o"&ictim cell

4U$)tiltin# o+ (e"&in# cellP( antenna toe6tend co&e"a#e "adiu( and to im$"o&eun(ati(fed co&e"a#e a"ea

4Inc"ea(e CICH T6 owe" o+ (e"&in# cell

4Chan#e Antenna 1ea"in# An#le @ocu(the main /eam o+ antenna to co&e"a#ehole( and low RSC a"ea

4Inc"ea(e (e"&in# cellP( antenna hei#ht to#et hi#he" e*ecti&e antenna #ain /utthe"e i( "i( to mae unde(i"a/le inte")cellinte"+e"ence to ad3acent cell(

4Chan#e Antenna atte"n !i($lace withhi#he" #ain antenna with ade'uateantenna tiltin#.

4U$)tiltin# o+ (e"&in# cellP( antenna toe6tend co&e"a#e "adiu( and to im$"o&eun(ati(fed co&e"a#e a"ea

4Inc"ea(e CICH T6 owe" o+ (e"&in# cell

4Chan#e Antenna 1ea"in# An#le @ocu(the main /eam o+ antenna to co&e"a#ehole( and low RSC a"ea

4Inc"ea(e (e"&in# cellP( antenna hei#ht to#et hi#he" e*ecti&e antenna #ain /utthe"e i( "i( to mae unde(i"a/le inte")cellinte"+e"ence to ad3acent cell(

4Chan#e Antenna atte"n !i($lace withhi#he" #ain antenna with ade'uateantenna tiltin#.

)uning methods for

Co"erage Pro$lemArea

)uning methods forCo"erage Pro$lem

Area

)uning methods for

Dominance Pro$lem Area

)uning methods forDominance Pro$lem AreaHi#h "io"it%Hi#h "io"it%

R2 Parameters


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R2 ParametersOptimi3ation -ngineering parameters

ad&ustment

To ad3u(t antenna down tilt

To ad3u(t antenna a;imuth

To ad3u(t antenna location

To ad3u(t antenna hei#ht

To "e$lace antenna

To "e$lace (ite

To add new cell

Radio part parameters

ad&ustment

To o$timi;e nei#h/o" cell li(t

Nei#h/o" Cell Li(t O$timi;ation


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Nei#h/o" Cell Li(t O$timi;ation

!ata collection d"i&e te(t !ata com$a"i(on (canne", UE

e"i+% +"om 0a$in+o o" Na(ta"

#ow to optimi3e

236690950 wcdma rnp rno conspectus

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