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3G Capacity Monitoring3G Capacity Monitoring
Sharing Session MaterialSharing Session Material
.
October 2012
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Huawei Confdential
Contents
Page 2
RF Power Capacity Upgrade Proposal
RF Code Capacity Upgrade Proposal CE Capacity Upgrade Proposal
WP upgrade Proposal
!ub Capacity Upgrade Proposal
Pagi"g #o"itori"g
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3G CAPACITY RESOURCE
Page $
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Power Utilization Power is shared by all ser%ices i" o"e cell
P& will use spare power apart 'rom that be used by C&
(&)P* will use the spare power apart 'rom that o' R++
(&)P* throughput probably limited by power a%ailable duri"g busy hour
(uawei curre"t ma,imum P* is -0 W
#a,imum recomme"datio" power used by commo" cha""el arou"d 20 'rom cell power
Page /
Dedicated channels (power controlled)
Common channels
Power usage with dedicated channels channels
t
Unused power
Power
HS-DSCH with dynamic power allocationt
Dedicated channels (power controlled)
Common channels
HS-DSCH
Power3GPP elease !! 3GPP elease "
Pma#-!!
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Power Utilization $ormula
%&erage Power Utilization ate (') (*((+,S.ean/CP0-+.a#PowerPerCell0)1))2
Page
ote4
,S.ean/CP4 .ean /ransmitted Power o5 Carrier 5or Cell (d6m)
.a#PowerPerCell4 .a#imum transmission power 5or cell (d6m)
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$ P789 UPG%D9 P7C9SS8ee:ly .easurement
(7)
/otal /CP ; ndCarrier
%lready ?
.a# /# Power ?
P% ;@ AB
$1$> HSDP% oad6alancing %lready ?
9nd
>ndCarrier Proposal
P% Upgrade Proposal
$1$> HSDP% oad6alancing Proposal
Capacity ew Site
Proposal
o
es
o
es
o
es
o
es
Power Utilization target4 B'
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$ P789 UPG%D9 CE/9E%
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Per5ormance indicator Empact to Power Utilization (13) &(O O%erhead
(igh &(O o%erhead mea"s you ha%e high &(Osi"gle ser%i"g cell ratio. his is caused by i"su''icie"t dow" tilt o"
the a"te""as or "ot optimi3ed "etwor4 desig". *lso is 5uite li4ely you ha%e higher pilot pollutio" i" the "etwor4.
&olutio"6 a"aly3e the cell co%erage a"d try to limit the cell co%erage to it7s desig"ated area. he smaller the
o%erlappi"g areas betwee" the cells 8 the smaller &(O o%erhead. 9ormally &(O o%erhead arou"d $0
&(O has the 'ollowi"g ad%a"tages6
&(O e"sures the seamless cell cha"ge a"d i"creases the "etwor4 co%erage o" the upli"4 li"4 directio" :U;&peed )ow"li"4 Pac4et *ccess :(&)P*< i"te"si'ies the ); cell power
de'icie"cy.
Page -
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Per5ormance indicator Empact to Power Utilization (>13)
&(O O%erhead Formula6
his ?P! is used to chec4 the co"sumptio" o' "etwor4 resources due to so't ha"do%er i" a"
R9C or a Cell. !t co"sidered the radio li"4 5ua"tity duri"g the so't ha"do%er.
Page +
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Per5ormance Endicator Empact to Power Utilization (313)
O%ershooti"g
Cell ser%e larger area tha" pla" area. his co"ditio" ca" be chec4ed 'rom the propagatio" delaystatistic. We ha%e to ma4e sure that this cell ser%e larger area= "ot caused by problem o"
the "earest site close to respecti%e area
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$ Code F HSPDSCH Code Utilization
Each WC)#* cell co"sist o' 1@ &F1@
RF code shared by R++ a"d (&P* ser%ices (&P)&C( code will determi"e throughput R* (&)P*
(&P)&C( code lice"se shared by all cell i" o"e "ode
RF code utili3atio" will be used 'or seco"d carrier upgrade proposal= while (&)P&C( code
utili3atio" used 'or (&P)&C( lice"se code upgrade proposal
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8ee:ly .easurement
Code Util ; = '
7
Code Cong ; ='
>ndCarrier
%lready ?
$1$> HSDP% oad
6alancing %lready ?
Capacity ew
Site Proposal
o
eses
Code HSDP% Util ;
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$ C7D9 UPG%D9 CE/9E%
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Eu /ra55ic Data
!ub is shared amo"g all tra''ic i" o"e "ode . P& a"d (&P* is best e''ort
Page 1/
CS /ra55ic ,oice /ra55ic
,P /ra55ic
GoS eIuirements
Suscriers Sus per ode6
PS /ra55ic
PSBA /hroughput PS>= /hroughput
PS3=A /hroughput
PS etransmission
HSP% /ra55ic
CS Eu 6andwidth
PS Eu 6andwidth
6andwidth 5or
/ra55ic
HSP% Eu
6andwidth
Common Channel
6andwidth
Signalling
6andwidth
7F. 6andwidth
Eu 6andwidth
Enput Eu /ra55ic /otal 68
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Eu Utilization $ormulaEu 7&er EP
9ote6 A W= RA W U"it6 ?bps
Eu 7&er %/.
9ote6 A W= RA W U"it6 ?bps
Co"%ersio" Formula6 9umber o' E1 B 1+0/
Page 1
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EU6 UPG%D9 P7C9SS
8ee:ly .easurement
7
U Eu Util ;
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EU6 UPG%D9 CE/9E%
EtKs etter to use monthly dataJ using a&erage ma#imum wee:ly data .a#imum wee:ly data
ta:en 5rom ma#imum hourly data among respecti&e wee:
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De5inition o5 Channel 9lement
% Channel 9lement is the ase and resource reIuired in the ode 6 to pro&ide capacity
5or one &oice channelJ including control plane signalingJ compressed modeJ transmit
di&ersity and so5ter hando&er
)&$+00&$+00
Upli"46 ma,. 1$@ CE
)ow"li"46 ma,. 1$@ CE
Channel 9lements 5or !! 6earers
Channel 9lements 5or HSUP%HSUP% shares all the Uplin: Channel 9lements
esource with !! ser&ices
/he Spreading $actor determines the Channel
9lements consumed y the HSUP% ser&ice
ote4 HSUP% ms //E
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Huawei Confdential Page 1+
Huawei Channel 9lements $eatures Cha""el Eleme"ts pooled i" o"e 9ode
9o "eed e,tra R++ CE resource 'or CC(
888 reser%ed CE resource 'or CC(
9o "eed e,tra CE resource 'or A di%ersity
9o "eed e,tra CE resource 'or Compressed #ode
888 reser%ed resources 'or Compressed #ode 9o "eed e,tra CE resource 'or &o'ter (O
(&)P* does "ot occupy R++ CE resource
888 separate module 'or (&)P*
(&UP* shares CE resource with R++ ser%ices
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Channel 9lements 5or HSDP%
he ase a"d resources 'or R++ a"d (&)P* are separate.
(&8)&C( does "ot co"sume R++ Cha""el Eleme"ts.
(&8&CC( does "ot co"sume R++ Cha""el Eleme"ts.
(&8)PCC( does "ot occupy R++ Cha""el Eleme"ts.
)ow"li"4 *8)C( does "ot occupy R++ Cha""el Eleme"ts.
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CH%9 99.9/ UPG%D9 P7C9SS
8ee:ly .easurement
(7)
C9 U Util ; '
C9 U Util ; A'
7
C9 D Util ; A'
9nd
@L
C9 S8 Downgrade B
o
o
es
es
@
C9 S8 Downgrade B
U %D DC9 H8 M C9 S8
; 3=A
C9 H8 Downgrade 3=Aes
D78G%D9
o
UPG%D9C9 Utilization target4 B'
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CH%9 99.9/ UPG%D9 CE/9E%
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Channel 9lement Utilization $ormula
Page 2$
U C9 Utilization (') 2,SCU.eanicenseGroupShared1,SCUCredit%&ailaleShared
D C9 Utilization (') 2,SCD.eanicenseGroupShared1,SCDCredit%&ailaleShared
ote4
,SCU.eanicenseGroupShared4 /he %&erage numer o5 shared U C9s consumed
y an operatorJ or y HSUP% ser&ice
,SCD.eanicenseGroupShared4 /he %&erage numer o5 shared D C9s consumedy an operator
,SCUCredit%&ailaleShared4 /he Con5igured U C9s 5or the Shared Group
,SCDCredit%&ailaleShared4 /he Con5igured D C9s 5or the Shared Group
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866P Upgrade proposal
WP is (uawei WC)#* baseba"d processi"g u"it
#a,imum / boards WP i"stalled i" &)& $+00 Combi"atio" with W#P URP will determi"e "umber o' radio li"4 ca" be supported by
"ode
#o"itori"g capacity radio li"4 ca" be supported= ca" be chec4 'rom C9*P utili3atio"
'ormula
WP board upgrade also ca" be triggered by lac4 o' cha""el eleme"t hardware
9ote6
C9*P Capacity re'er to table board i"stalled i" each "ode
Page 2/
C6%P Usage persecond
(,SEU6%tt%ddL,SEU6%ttSetupL(>2,SEU6%ttec5g))13B
C6%P Utilization (') 2C6%P Usage per second1C6%P Capacity
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WBBP UPGRADE CRITERIA
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8ee:ly .easurement
C6%P Utilization ;
" '9nd
o
es
866P 3o
%DD U/P
es
U/P %lready?
%DD 866P 866P @ A %DD 866P
Split ode 6
o
o
es
es
WBPP UPGRADE PROCESSC C6%P Congestion Counters
D&.RRC.Re.R;.Fail
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Paging .onitoring
Pagi"g is o"e o' importa"t per'orma"ce i"dicator because it will impact to user percei%ed
especially * "umber.
;*C R*C splitti"g should be co"sider i" case pagi"g co"gestio" greater tha" 1 or
pagi"g attempt greater tha" 00?hour
P& pagi"g is much more tha" C& pagi"g= thats why R*C splitti"g more o'te" choose tha"
;*C splitti"g
Page 2G
8h P i Utili ti ' t ith P i C ti ?
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8hy Paging Utilization' ut with Paging Congestion?
Paging Channel Speci5ication
PCH channel support ma#imum paging " user with //E(/ransmission /ime Enter&alJ
//E@ms)
Paging Discard.a#imumPaging "
U9 per //E
Statistic
Period
6ecause the paging attempt is not stale within the statistic periodJ some times is higherJ some
times is lowerJ so we will 5ace the paging congestion while the PCH Utilization'
How ig the PCH utilization will trigger paging congestion
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How ig the PCH utilization will trigger paging congestion
6ase on the 9rlang 6 /aleJ i5 the umer o5 Channel is "J and the G7S is 'J it can ear
3B 9rl tra55icJ in other wordsJ the utilization is >>' (@3B1") while the G7S@'
/he PCH channel can support paging " user within //EJ
8e can assume the umer o5 Channel o5 "J ase on 9rlang 6 taleJ when the the
utilization Nust >>'J G7S1Congestion ate@'
6ase on 9rlang 6 taleJ the utilization@>>' will trigger ' congestion
Erlang B Table
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Paging %ttempt C Gayungan
Pagi"g *ttempt all ;*C R*C still less tha" 00?(our
Page $0
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Paging Utilization (') C SawoNaNar
Page $1
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Paging oss (') C Gayungan
Pagi"g loss all ;*C R*C still less tha" 1
Page $2
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