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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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 3
WCDMA RNP Overview
WCDMA Radio Network Dimensioning
WCDMA Nominal Planning
WCDMA Final Design
WCDMA RNP Principles and Procedures
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 4
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 5
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 6
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
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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".
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Reali;e
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 9
WC!0A RN $"ocedu"eo&e"&iew
Capacity
Quality Coverage
Interference
"inal desi#n
preparation
Dimensioning Nominal Planning
Site survey
Deployment
Detailed planning& pre-optimization
Preli!inary desi#n
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 10
WCDMA RNP Overview
WCDMA Radio Network Dimensioning
WCDMA Preliminar# Design
WCDMA Cell Planning
CON$%N$S
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 11
In$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$er of
carriers
Cost on networ%
construction
*ite cost
-quipment cost
!nput Output
Coera!e "esi!n
Capacity "esi!n
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 12
In$ut to Huawei RN!U0TS RN!Guideline
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 13
Out$ut +"om Huawei RN!
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 14
$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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 15
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 17 17
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+ $e"mitted (%(tem load. Thi( will lead to a lowe" inc"ea(e in
inte"+e"ence oo", a #"eate" cell "an#e and thu( mo"e u(e"( in each cell and a
hi#he" actual (%(tem load.
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 18 18
Coera!e i(ite" plin*#sin! a propa!ation (o"el li*e for e,a(ple *u(uraata. it is possi)le to conert a c$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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 19 19
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$lin and downlin
o"tho#onalit% in downlin
o&e"head due to (o+t)
hando&e"
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50
&' 'oad ()*
D''oad()*
Increasin#
asy!!etry
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 20
WCDMA RNP Overview
WCDMA Radio Network Dimensioning
WCDMA Nominal Planning
WCDMA Final Design
CON$%N$S
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 21
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 $owe" o+
di*e"ent channel(, etc.
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 22
"elimina"% de(i#n ow cha"t
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 23
A/out (imulation
Unlie GS0 netwo", in C!0A co&e"a#e and ca$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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 24
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 25
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 $ollution di(t"i/ution
So+t hando&e" a"ea( (tati(tic o+ each(e"&ice
li i d i
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 26
"elimina"% de(i#n out$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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 27
WCDMA RNP Overview
WCDMA Radio Network Dimensioning
WCDMA Nominal Planning
WCDMA Final Design
CON$%N$S
@inal !e(i#n ow
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 28
@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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 29
@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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 30
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 31
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 32
WC!0A RN out$ut
'AC4 RAC4 SAC Plan
Neig-"or relation plan 5intra6.re/uenc#4 inter6
.re/uenc#4 and inter6s#stem7 Fre/uenc# plan
Scram"ling code plan
Power allocation .or eac- c-annel
8andover parameters
Access control parameters
Ot-er radio parameters
A.ter per.ormance veri.ication "# simulation4 we produce 99:: pro;ect
RNP report
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 33
Main Topics WCDMA RNP Principles and
Procedures
WCDMA RNO Principles andProcedures
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 34
%CM' :rinciples an" :roce"ures
/rief 0ntroduction
*ingle *ite 1eri,cation
Radio 2requency Optimi3ation
Parameters Optimi3ation
Regular )esting 4 5P0 Analysis
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 35
)o enhance networ%
performance))) e.#. co&e"a#e2acce((i/ilit%2mo/ilit%
)o resol"e speci,c issues
))) e.#. inte"+e"ence2co&e"a#e
)o impro"e su$scri$ers6 (o-
))) e.#. (e"&ice 'ualit%2d"o$ call(
)o enhance networ% sta$ility
))) e.#. t"a9c inc"ea(e2u$#"ade
Netwo" O$timi;ationTa"#et
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 36
WC!0A O$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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 37
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
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 38
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 39
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#
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 40
/rief 0ntroduction
*ingle *ite 1eri,cation
Radio 2requency Optimi3ation
Parameters Optimi3ation
Regular )esting &5P0 Analysis
%CM' :rinciples an" :roce"ures
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 41
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
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 42
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$ment i((ue(
))) e.#. A, antenna, +eede" connection,
etc
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 43
Site e"ifcation Item( Cell interference in"estigation
Item Node1 RTW, CICH Ec2Io Tool Node1 L0T, en#inee"in# UE o"
(canne"
u"$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"$o(e CS2S (e"&ice +unction chec
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 44
An e8ample Chec% list
E6am$le Site e"ifcationChecli(t
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 45
/rief 0ntroduction
*ingle *ite 1eri,cation
Radio 2requency Optimi3ation Parameters Optimi3ation
Regular )esting &5P0 Analysis
%CM' :rinciples an" :roce"ures
i i i
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 46
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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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 47
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
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 4848
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 $owe", includin# the"mal noi(eand noi(e #ene"ated in the "ecei&e"
)RAcarrierR**0
CP0C# -c:No ;CP0C# R*CP
)RA carrier R**0
CP0C# -c:No>? 6+@
2? 6+1=
+? 6+1
1? 6++====
@B? 6>=
@? >
-c:No "alues ind/
CP0C# R*CP
>? 622
2? 622@
+? 6221
?? 6+B
? 6+E
RSCP values in dm
)RA carrierR**0>? 622>
2? 62>
+? 62>
?B2? 61
B+? 61
B1? 61B
RSS! values in dm
pti(i;ation erie- loc* '
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 4949
pti(i;ationerie- loc* '
O$timi;ation)O&e"&iew
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 5050
O$timi;ation O&e"&iew
O$timi;ation O&e"&iew 1loc A
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 5151
O$timi;ation)O&e"&iew 1loc A
CP0C# C
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 52
CP0C# Co"erageOptimi3ation
Wa%( to o$timi;e
-
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 53
Poor Co"erage' -8ample
pti(i;ation erie- loc*
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 5454
pti(i;ationerie- loc*
pti(i;ation erie- loc* C
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 5555
pti(i;ationerie- loc* C
Cell Dominance
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 56
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$timum antenna tilt(
o" due to a hi#h (ite
Areas of non7dominance
!ue to no a (in#le clea" dominant cell
Cell dominanceanalysis'
Site visitneeded
(1) Frequent soft HO
(2) nterference to ad!acent
cells
Poor Cell Dominance'
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 57
Poor Cell Dominance'-8ample
ilot ollution
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 58
ilot ollution0inimi;ation
Wa%( to o$timi;e
-
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 59
ilot ollution E6am$le
Summa"% O+ Solution(
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 60
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$lem AreaHi#h "io"it%Hi#h "io"it%
R2 Parameters
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 61
R2 ParametersOptimi3ation -ngineering parameters
ad&ustment
To ad3u(t antenna down tilt
To ad3u(t antenna a;imuth
To ad3u(t antenna location
To ad3u(t antenna hei#ht
To "e$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$timi;ation
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential 62
Nei#h/o" Cell Li(t O$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