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HD Voice 2G lab validation testresults on Huawei CS 9.2
Estelle Carréric – Orange/IMT/OLPS/COMSERV/SVQ/ISI
David Déleam - Orange/IMT/OLPS/COMSERV/SVQ/ISI
!/"/"#$
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agenda
secti%n # &D V%ice "' (resentati%n
secti%n " la) validati%n strateg*
secti%n + la) arc,itectre. ei(ment
releases and net0%r1c%n2igrati%n
secti%n $ test reslts
secti%n 3 c%nclsi%n
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HD Voice 2G
4dvantages5
– )ene2it 2r%m &D v%ice alit* %n "' access
– all%0 &D V%ice calls )et0een "' and +'
– increase &D call (r%)a)ilit*
Pre-reisites
– t,e same as +' &D V%ice
– Ran rene0al 4%TDM 67 IP %n 4 inter2ace 84%IP %n 9SS – M': inter2ace;– licenses reired5
– a MSO?" realease;
– a @M'A> license
– a &:I 9SC license 8t% )e c%n2irmed 2%r %t,er (r%viders;
– Im(lementati%n %2Transc%der
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2G-2G call: bandwidth and transcoding resources
improvement with Ao!"TrF#
M':':
MSC
server
MSC
servec
R$ MSC 8IP )ac1)%ne;
B)
M':':
MSC
server
MSC
server
4%IP
B)/IP
MS
9ICCselected c%dec6
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2G"2G HD call: voice $ualit% improvement
0it, &D V%ice 2eatre 0it, 4%IP/Tr
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lab validati n strategy
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Ao! &ab Validation Huawei '()*2 #b+ectives
T,e aims %2 t,e Orange La)s Validati%n %2
&DV%ice 0it, &a0ei CS>?" COR net0%r1
8CPCI and 4TC4; are
Validati%n %2 t,e rig,t )e,avi%r %2 t,e &D
V%ice 2eatre %n "' 8and %n +';. in CS>?"
2ncti%nal and (er2%rmance tests. 2%csed
%n adi% alit* as(ect
Im(r%ve Orange C%r(%rate 1n%0ledge %2
&a0ei &D V%ice "' im(lementati%n t%
)etter s((%rt MCO de(l%*ment
Orange Labs – HD VOC! 2G lab validation Huawei CS 9.2
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Ao! validation Group based on F!T' ,Frame
!acet Transcoder.
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F!T' ressources
De(ending %n t,e call tra22ic. alm%st %ne %r several VP@ )%ards
c%n2igred 8CODEC4P; 0it,
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lab architecture,
equipent releases and
netw r! c n"igurati n
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Test !latform Architecture
Orange Labs – HDVOC! lab validation Huawei CS 9.2
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(pecificities of #range labs architecture
Onl*%ne
9SC 4%IP5
– "' :ide-)and 8:9; 4%IP t% "' :9 4%IP calls are %nl* d%ne in intra
9SC 4%IP
–s% inter-9SC. inter-M':. inter MSC "'4%IP t% "'4%IP calls ,ave n%t)een tested
Onl* + &O (%ssi)le5
– &O +' 8RBC A &:I; -7 "'4%IP 8intra. %r inter MSC;– &O "' 4%IP -7 "' TDM 9SC 94L" 4-L@
– &O "' 4%IP -7 +' 8RBC A &:I; 8intra MSC;
MSCs in (%%l 2%r m%st %2 radi% access 8all eGce(t +' RBCA 4-L@."' TDM 9SC 94L! 4-L@."' 4%IP 9SC
&a0ei;
S%me radi% access in Cevennes. s%me in Lanni%n
Orange Labs – HD VOC! 2G lab validation Huawei CS 9.2
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/$uipment release
Orange Labs ( HD VOC! 2G lab validation Huawei CS 9.2
0ode (oftware 1elease
MSS# CS>?" - MSOCSPC!
HSP&!#E
MSS" CS>?" - MSOCSPC!H SP&!#
MSS+ MSO?" V"R>C"SPC#H SP#!
M':# CS>?" - V"R>C3SPC#"
M':" CS>?" - V"R>C3SPC#"
M':$ CS>?" - V"R>C3SPC#"
M':3 CS>?" - V"R>C3SPC#"
9SC 4%IP V>R#3RB'CSP&3#E
9TS. B%)e9 V#RASO""
RBC3 4-L@ @4!#+EP#
RBC 4-L@ @4!#+A EP+ T4P$
RBCA 4-L@ @4!#+A EP+ T4P$
RBCA &:I V>R#3RB'CSP&3#
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0etwor configuration
Main c%n2igrati%n5
– &ave VP@ )%ards %n M':s c%n2igred 0it, 5
–
:CDM4 –
:CDM4:9
–'SM&R
–
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tests results
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(ummar% of the '()*2 Ao! test results #&!(
Tests 0ere %rganiJed in " main categ%ries5–
"' &DV%ice
–B%n regressi%n
regarding &DV%ice -Tr
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Functional tests
t,e g%al %2 t,is (art is t% c,ec1 t,at all
is %1 in terms %25
C%dec t*(e and set selecti%n
Transc%ding res%rces inv%lved in t,e
call
t,e tests c%vers5
– "' &D 4%IP t% "' &D 4%IP in intra 9TS
and intra 9SC %nl*
– "' &D 4%IP calls 0it, PSTB and +'
8inter MSC. inter M': and intra M':;
– +' n%n regressi%n
– ,and%ver5 +':9 t% "':9 4%IP and "':9 4%IP t% "'TDM
Orange Labs – HD Voice 2G lab validation Huawei CS 9.2
75%
3% 0% 22%
E2E P0 Functional tests
OKNOK
NT
NA
26%
3%
53%
18%
E2E P2 Functional tests
OK
NOK
NT
NA
76%
8%
0%16%
E2E P1 Functional tests
OK
NOK
NT
NA
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(ervice tests
several services 0ere tested5
v%icemail service 0asnKt tested as it is n%t availa)le %n la) (lat2%rm
Orange Labs – HD VOC! 2G lab validation Huawei CS 9.2
E2E Service
test Total Tests OK Tests NOK Not Tested
Not
applicable Status or Comments
Priority P0 8 7 0 0 1
the NOK test refers video calltests between RNC ALU andRNC HWI in inter MSC
Priority P1 4 4 0 4 0
Priority P2 9 3 1 8 5
Call forwarding
30%
Call Wait/CallHold
30%
Mlit!art" #all
15%
$oi#&ail
5%
'ntra#ti(
(oi# r)!on)15%
$ido #all
5%
Service tests categories
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Audio performance tests
T,e %verall adi% alit* is O?
B% s(eci2ic arti2acts n%ticed dring t,e anal*sis
Orange Labs – HD VOC! 2G lab validation Huawei CS 9.2
E2EPerformance Total Tests OK Tests NOK NotTested
Not
applicable
Status or Comments
Priority P0 12 12 0 0 0
Not tested tests refers to 3G or 2G nonregression tests with NB_AMR handsets
Priority P1 9 9 0 0 0
Priority P2 32 0 0 32 0
On PA+ measrement scale. 2%r a
"' t% "' intra 9TS call5– a :9 4%IP call is a)%t . MOS
)etter t,an a "' TDM
3*56
3*11
2*+5
3*56
3*11
2*+6
2*80
2*+0
3*00
3*10
3*20
3*30
3*,03*50
3*60
3*70
2-W.Ao'2-W.Ao' 2-N.Ao'2-N.Ao' 2-TM2-TM
P 8 6 3
Performance tests: P863 score for each direction
2G call intra BS
MO A. MO .A
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/ncountered issues and resolutions
Orange Labs – HD VOC! 2G lab validation Huawei CS 9.2
Main PRs 0ere s%lved )* (arameters m%di2icati%ns
S%me c%rrecti%n are eG(ected )* MSC (atc,es
CPCI5 SP&!#A. SP&!#>. SP&!" 8+#t, marc,; 4TC45 SP"#. SP"" 8+#t, marc,;
N:aiting 2%r res(%nse PR c%ncerns vide% call tests 8n%t lin1ed t% "' &DV%ice 2eatre;
B%te5 t,e detailed PR and IR are (resented in anneGes
+
46,%
1
47%
,42+%
!efects status
Clo)d
Waiting for #orr#tion
Waiting for r)!on)
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ain 2GAo! calls behaviors:
Orange Labs – HD VOC! 2G lab validation Huawei CS 9.2
M':':
MSC
server
MSC
servec
R$ MSC 8IP )ac1)%ne;
B)
M':':
MSC
server
MSC
server
4%IP
B)/IP
MS
9ICC
selected c%dec6
4MR:9
"
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(pecific test call results
0,en a 9SC is l%aded. ??
– In CS>?" 0it, SP##"9IT$ set t% . t,e B94MR is c,%sen 2%r
%riginating side 0it, a :9 ,andset t% TDM lin1.
eGce(t 2%r +':9-7"'TDM intra-MSC/intra-M': 8PR+A$;. )t t,is
0ill )e c%rrected s%%n 8end
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#bserved 3limitations4 ,5"2.
4 s%lti%n 0as (r%vided 0it, CS>?" t% all%0 c%m(ati)ilit* )et0een 8set
P#9IT" t% %n M':;5
– &R4MR %n 4 inter2ace 8R
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#bserved 3limitations4 ,2"2.
Orange Labs – HD VOC! 2G lab validation Huawei CS 9.2
Interacti%n )et0een t,e Tr
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c%nclsi%n
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'onclusion and ne6t steps
:it, t,e rig,t settings 2%r MSC. M':. RBC. and 9SC (arameters.
&D V%ice %n "'2eatre is 0%r1ing 2ine %n &a0ei c%re net0%r1
– 4di% Qalit* is 0ide-)and 2%r "' :9 t% "' :9 call and "':9 t%
+':9 calls
– &a0ei
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than! you
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anne#es $
-MSC, MGW, and BSC AoIP dedicatedparameters configuration used during LabValidation
(please note that last Huawei MSC and MGW patchesintroduced few new AoIP parameters not listed here)
-PR and IR summary
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(' 0etwor configuration ,5"2.
CS>?" Parameters Rec%mmended target
vale 8:9-4MR %n "';
6 # lin1ed 0it, P##"9IT3
P#39IT#$ 5 determines 0,et,er t,e MSC server starts t,e assignment 2l%0
a2ter t,e %riginating m%dle receives a )earer in2% message 2r%m t,e
terminating m%dle 0,en t,e 2%ll%0ing c%nditi%ns are met5
P#39IT#$ 6
P##9IT# 5determines 0,et,er c%dec seence is adsted in t,e 2%ll%0ing
descending %rder %2 (ri%rit* t% ensre %(timal v%ice alit*5 4MR-:9.
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(' 0etwor configuration ,2"2.CS>? Parameters Rec%mmended target vale
8Tr
P#3 and )it # %2 P###
P##"9ITA 5 determines 0,et,er t,e MSO
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G7 0etwor configuration
CS>? Parameters Rec%mmended target vale 8Tr
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HD Voice problem report ,5.
PR De2alt descri(ti%n
C%mments
Stats
PR+> +'-+' vide% call inter-M': call 2ailed
&a0ei ans0er5 4L@ RBC send " RTP (ac1ets
at t,e same time and @M'A> d% n%t s((%rt
t,is )e,avi%r 0it,%t VI' )%ards
David ans0ered t,e +/#
:aiting 2%r
res(%nse
PR+AACall
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HD Voice problem report ,2.
Orange Labs ( +esearc, - Develo/ent
PR De2alt descri(ti%n
C%mments
Stats
PR+A# TC sed %n M': %riginating 2%r a +':9-7"'B94%IP in
interMSC/inter-M': call
Cl%sed t,e "A/##/"#+5 (r%)lem %2 MSC+
c%n2igrati%n 8SP##9IT#;Cl%sed
PR+ACall 2ailed 2%r a +':9 t% "'4%IP'SM &andset in intra-
MSC/inter-M': callPr%)lem de t% a lac1 %2 VP@ )%ard %n M':$ Cl%sed
PR+!+':9 %riginating inter-MSC are 2ailed i2 P##"9IT3 is set
t%
&a0ei rec%mmendati%n5
-set t,e SP##"9IT3 t% # and CS" 2%r t,is
validati%n
- 0it, P##"9IT3 set t% and CS". t,e call
2ailre is a de2ect. &a0ei 0ill 2iG it )* (atc,5
C"SP"#t,e /##/"#+5 c%n2igrati%n (r%)lem
%n MSC 0it, RDIOPRI 8
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Time Alignment procedure
Dring t,is validati%n dedicated tests 0ere (er2%rmed t% evalate t,e c%rrecti%nim(lemented in CS>?" regarding Time 4lignment 8T4; (r%cedre. n%t lin1ed t% "'
&DV%ice 2eatre?
– In CS>?. " isses 0ere %)served %n &a0ei CB 2%r T4 8,ig,lig,ted 0it, tests 0it, 4-
L@ RBC;?– Dr%(s %2 (ac1et )* M': d%ing IP/4TM c%nversi%n in case %2 inter-M': calls
– B%t rig,t Time 4dstment (er2%rmed )* &a0ei M': %n " cases %ver $ (%ssi)le
cases?
T,e e22ect 0as a ver* )ad adi% alit* 2%r +'-"'TDM %r +'-PSTB inter-M': calls
⇒ t,ese " isses lead t% t,e deactivati%n %2 T4 %n CB 5 @M' SP>!9ITS#3-#$ set t% #
– T,e c%rrecti%n needs sage %2
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solution not reported in AT'A
M': Measres Pac1et L%ss I2 t,e R9T