iur interface interconnection guide-v1.1
TRANSCRIPT
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Huawei Technologies Co., LTD.
Product Version Confdentiality Level
RAN13.0 INTERNAL
Product Name Pages
UMTS Performance 67
Iur Interface Interconnection Guide
Preparedby
Cheng Songwei em!"o#ee I$%
0006&011'
Date(01()01)(0
Reviewedby
Date
Reviewedby
Date
Approvedby
Date
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Huawei Technologies CO., LTD.All Rights Reserved
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Revision History
Date Version Description Reviewer Author
(01()01)(0 1.0 Com!"e+e- +he ini+ia" -raf+.Cheng Songwei em!"o#ee
I$% 0006&011'
(01()03)0& 1.1A--e- /chema+ic -rawing/ an--e/cri!+ion/ accor-ing +o reiew
commen+/.
Cheng Songwei em!"o#eeI$% 0006&011'
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Contents
About !his Document""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""#
$ %ur %nterconnection Process"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""&
(.1 2 oer I*r........................................................................................................................................................&
(.1.1 S2 oer I*r............................................................................................................................................&(.1.( In+ra)4re5*enc# 22 oer I*r...............................................................................................................11
(.1.3 In+er)4re5*enc# 22 oer I*r...............................................................................................................13
(.( CC2 oer I*r...................................................................................................................................................1
(.3 Re"oca+ion........................................................................................................................................................1
(.3.1 UE)No+)Ino"e- Re"oca+ion..................................................................................................................1
(.3.( Re"oca+ion wi+h 22.............................................................................................................................17
(.3.3 Re"oca+ion wi+h Ce"" U!-a+e...................................................................................................................(0
(. $SCR...............................................................................................................................................................((
(..1 Pro+oco"/)S!ecifie- $SCR Scenario/.....................................................................................................((
(..( 2*awei)S!ecifie- $SCR Scenario/.......................................................................................................(
' (verview o) the RNC Reparenting *olution"""""""""""""""""""""""""""""""""""$&
3.1 In+er)4re5*enc# RNC Re!aren+ing i+ho*+ +he I*r In+erface.........................................................................(&
3.( In+ra)4re5*enc# RNC Re!aren+ing i+h +he Aai"a8"e I*r In+erface..............................................................30
+ %ur %nterconnection !est Results"""""""""""""""""""""""""""""""""""""""""""""""""""'$
.1 ,IT Te/+ Re/*"+/ 9e+ween 2*awei RNC an- en-or RNC..........................................................................3(
.1.1 2*awei)ALU ,IT Te/+ Re/*"+/...........................................................................................................3(
.1.( 2*awei)NSN ,IT Te/+ Re/*"+/............................................................................................................3
.1.3 2*awei)Eric//on ,IT Te/+ Re/*"+/..................................................................................................... .3
.( I*r In+erface Ca!a8i"i+ie/..................................................................................................................................37
, %ur %nterconnection Policies"""""""""""""""""""""""""""""""""""""""""""""""""""""""""'-
.1 2*awei)ALU I*r In+erconnec+ion Po"icie/......................................................................................................3:
.1.1 Po"ic# 1% 2 oer I*r for CS Serice/ an- Proce// !+imi;a+ion)8a/e- $SCR for PS 9E Serice/. . .1
.1.( Po"ic# (% 2 oer I*r for CS Serice/ an- UE)No+)Ino"e- Re"oca+ion)8a/e- $SCR for PS 9E
Serice/............................................................................................................................................................3
.1.3 Po"ic# 3% 2 oer I*r for CS
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.(.( Po"ic# (% Re"oca+ion for CS
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%ur %nterconnection /uide
0eywords
I*r= $SCR= re"oca+ion
Abstract
Thi/ -oc*men+/ -e/cri8e/ how +o -e!"o# an- /wa! a ne+wor>.
Acronyms and Abbreviations
Acronyms andAbbreviations
1ull Name
AMR A-a!+ie m*"+i ra+e
CCC2 Common con+ro" channe"
CN Core ne+wor>
C)RNTI Ce"" ra-io ne+wor> +em!orar# i-en+ifier
CS Circ*i+ /wi+che-
$C2 $e-ica+e- channe"
$RNC $rif+ RNC
$)RNTI $rif+ RNTI
$SCR $irec+ Signa"ing Connec+ion Re)e/+a8"i/h
E)$C2 Enhance- -e-ica+e- channe"
22 2ar- han-oer
2SPA 2igh)S!ee- Pac>e+ Acce//
2S)$SC2 2igh /!ee- -own"in> /hare- channe"
2S$PA 2igh S!ee- $own"in> Pac>e+ Acce//
2SUPA 2igh S!ee- U!"in> Pac>e+ Acce//
NRT Non)rea")+ime
PS Pac>e+ /wi+che-
RAU Ro*+ing area *!-a+e
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Acronyms andAbbreviations
1ull Name
RLC Ra-io "in> con+ro"
RNC Ra-io ne+wor> con+ro""er
RNSAP Ra-io Ne+wor> S*8/#/+em A!!"ica+ion Par+
RRC Ra-io re/o*rce con+ro"
S2 Sof+ han-oer
SR9 Signa"ing ra-io 8earer
SRNC Sering RNC
SRNS Sering Ra-io Ne+wor> S*8/#/+em
UE U/er e5*i!men+
UTRAN UMTS Terre/+ria" Ra-io Acce// Ne+wor>
UMTS Unier/a" Mo8i"e Te"ecomm*nica+ion S#/+em
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About !his DocumentI*r in+erconnec+ion !o"icie/ are im!or+an+ for commercia" ne+wor>/. Therefore= +he fo""owing
fac+or/ m*/+ 8e con/i-ere- in+o +he !o"icie/%
he+her new /erice/ "i>e 2SPA /erice/ /*!!or+ 2SPA oer I*r
The !o"icie/ ino"e /of+ han-oer S2'= har- han-oer 22'= UE)no+)ino"e-
re"oca+ion= re"oca+ion wi+h 22= re"oca+ion wi+h ce"" *!-a+e= an- $irec+ Signa"ing
Connec+ion Re)e/+a8"i/h $SCR' fea+*re/. The I*r in+erface 8e+ween +wo neigh8oringRNC/ ma# e?i/+ aai"a8"e' or -oe/ no+ e?i/+. In+erconnec+ion /erice/ can 8e circ*i+
/wi+che- CS' /erice/= !ac>e+ /wi+che- PS' R:: /erice/= PS 2igh)S!ee- Pac>e+
Acce// 2SPA' /erice/= an- CS an- PS com8ine- /erice/.
he+her +he e5*i!men+ of -ifferen+ en-or/ /*!!or+/ +he !reio*/ fea+*re/A commercia" ne+wor> ma# incor!ora+e Ra-io Ne+wor> Con+ro""er/ RNC/' or Core
Ne+wor>/ CN/' of -ifferen+ en-or/. In +hi/ ca/e= /ome RNC/ or CN/ of en-or/ -o no+
/*!!or+ PS /erice re"oca+ion or +he common channe" CC2' oer I*r in +heCELL@4AC2 /+a+e.
he+her +he ac+*a" ne+wor>ing +o!o"og# i/ a!!"ica8"e
4or e?am!"e= whe+her +he /econ- carrier in +he -*a")carrier ne+wor> a-mi+/ */er
e5*i!men+ UE' acce// or whe+her in+er)fre5*enc# I*r in+erconnec+ion /cenario/ e?i/+.
C*rren+"#= I*r in+erface re"oca+ion i/ -i/a8"e- on mo/+ commercia" Unier/a" Mo8i"e
Te"ecomm*nica+ion S#/+em UMTS' ne+wor>/. n +he I*r in+erface re"oca+ion)ena8"e-
UMTS ne+wor>/= +he re"oca+ion !re!ara+ion /*cce// ra+e an- +he re"oca+ion e?ec*+ion /*cce//
ra+e are no+ faora8"e. $SCR aim/ +o aoi- incom!a+i8i"i+ie/ for I*r in+erconnec+ion/ 8e+ween2*awei RNC an- en-or RNC. In +hi/ wa#= I*r in+erconnec+ion !o"icie/ for commercia"
ne+wor>/ are -ifferen+= which ma>e/ +he main+enance of commercia" ne+wor>/ -iffic*"+. Toa--re// +hi/ !ro8"em= 2*awei !roi-e/ *nifie- I*r in+erconnec+ion !o"icie/ +o g*i-e ne+wor>
-e!"o#men+= /wa!!ing= an- main+enance. The !o"icie/ incor!ora+e%
A"gori+hm fea+*re/ of 2*awei !ro-*c+/
$e+ai"e- re/earche/ on a"gori+hm a!!"ica+ion/ on "ie ne+wor>/
Ana"#/i/ an- o!+imi;a+ion of a"gori+hm !erformance
A-an+age/ an- -i/a-an+age/ of a"gori+hm/ in -ifferen+ /cenario/
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$ %ur %nterconnection ProcessThi/ cha!+er -e/cri8e/ 8a/ic !rinci!"e/ of re"oca+ion an- $SCR an- !roi-e/ -e+ai"/ a8o*+how +o im!"emen+ +he fea+*re/ on 2*awei RNC/. A com!"e+e ana"#/i/ re!or+ on I*r
in+erconnec+ion !o"icie/ a"/o ino"e/ S2 oer I*r= 22 oer I*r= CC2 oer I*r= an- I*r)re"a+e- a"gori+hm a!!"ica+ion/.
In +hi/ -oc*men+= I*r in+erconnec+ion/ ino"e +he fo""owing con+en+/%
2 oer I*r inc"*-ing S2 oer I*r= in+ra)fre5*enc# 22 oer I*r= an- in+er)fre5*enc#
22 oer I*r'
CC2 oer I*r
Re"oca+ion inc"*-ing UE)no+)ino"e- re"oca+ion= re"oca+ion wi+h 2= an- re"oca+ion
wi+h ce"" *!-a+e'
$SCR carrie- on +he -e-ica+e- channe" $C2'= high /!ee- -own"in> /hare- channe"2S)$SC2= or enhance- -e-ica+e- channe" E)$C2' 8earer'
$" H( over %ur
$"" *H( over %ur
4ig*re 1.1/how/ an S2 oer I*r.
9efore an S2 i/ +riggere-= +he UE /e+/ *! a ra-io "in> RL' wi+h No-e9 1 an- No-e9 (.
Af+er +he /ering RNC SRNC' ma>e/ an S2 -eci/ion= +he UE /e+/ *! an RL wi+h No-e9 3
*n-er +he -rif+ RNC $RNC'= an- +hen re"ea/e/ +he RL wi+h No-e9 1.
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Figure . S2 oer I*r
4ig*re 1.(/how/ +he !roce-*re for an S2 oer I*r.
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Figure .! Proce-*re for an S2 oer I*r
The !roce-*re for an S2 oer I*r i/ a/ fo""ow/%
1. The SRNC -e+ermine/ +ha+ +he +arge+ ce"" for +he S2 i/ a ce"" *n-er +he $RNC an-
/en-/ +he $RNC a Ra-io Lin> Se+*! Re5*e/+ me//age.
(. The $RNC /en-/ No-e9 3 a Ra-io Lin> Se+*! Re5*e/+ me//age +o re5*e/+ for /e++ing *!an RL.
3. Af+er No-e9 3 /e+/ *! an RL= i+ re/!on-/ +o +he $RNC wi+h a Ra-io Lin> Se+*!
Re/!on/e me//age.
. The $RNC re/!on-/ +o +he SRNC wi+h a Ra-io Lin> Se+*! Re/!on/e me//age +o no+if#
+ha+ +he RL +o +he +arge+ ce"" ha/ 8een /e+ *!.
. The SRNC /e+/ *! +he +ran/!or+ ne+wor> "a#er 8earer oer +he I*r in+erface= an- +he
$RNC /e+/ *! +he +ran/!or+ ne+wor> "a#er 8earer oer +he I*8 in+erface.
6. The SRNC /en-/ No-e9 3 *n-er +he $RNC a $own"in> S#nchroni;a+ion me//age +ore5*e/+ for -own"in> /#nchroni;a+ion.
7. No-e9 3 /en-/ +he SRNC an U!"in> S#nchroni;a+ion me//age +o no+if# +he SRNC of
*!"in> /#nchroni;a+ion.
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&. The SRNC /en-/ +he UE an Ac+ie Se+ U!-a+e Comman- RL A--i+ion' me//agecon+aining +he $RNC +arge+ ce"" for +he S2.
:. The UE re/!on-/ +he SRNC wi+h an Ac+ie Se+ U!-a+e Com!"e+e me//age +o com!"e+e
+he S2 !roce-*re.
10. The SRNC /en-/ +he UE an Ac+ie Se+ U!-a+e RL $e"e+ion' me//age con+aining +he$RNC +arge+ ce"" for +he S2.
11. The UE re/!on-/ +he SRNC wi+h an Ac+ie Se+ U!-a+e Com!"e+e me//age +o com!"e+e
+he S2 !roce-*re.
1(. The SRNC /en-/ No-e9 1 a Ra-io Lin> $e"e+ion Re5*e/+ me//age +o re5*e/+ forre"ea/ing +he -e"e+e- RL.
13. No-e9 1 re/!on-/ wi+h +he SRNC wi+h a Ra-io Lin> Re"ea/e Re/!on/e me//age +o
no+if# +he SRNC +ha+ +he RL ha/ 8een -e"e+e-.
1. The SRNC re"ea/e/ +he +ran/!or+ ne+wor> "a#er 8earer oer +he I*8 in+erface.
""""#nd
$""$ %ntra21re3uency HH( over %ur
4ig*re 1.1/how/ an in+ra)fre5*enc# 22 oer I*r.
Figure . In+ra)fre5*enc# 22 oer I*r
4ig*re 1.(/how/ +he !roce-*re for an in+ra)fre5*enc# 22 oer I*r.
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&. The $RNC /en-/ +he SRNC a Ra-io Lin> Re/+ore In-ica+ion me//age +o no+if# +ha+ +heRL ha/ 8een /#nchroni;e-.
:. The SRNC /en-/ No-e9 ( *n-er +he $RNC a $own"in> S#nchroni;a+ion me//age +o
re5*e/+ for -own"in> /#nchroni;a+ion.
10. No-e9 ( /en-/ +he SRNC an U!"in> S#nchroni;a+ion me//age +o no+if# +he SRNC of*!"in> /#nchroni;a+ion.
11. The SRNC /en-/ +he UE a Ph#/ica" Channe" Reconfig*ra+ion me//age +o /!ecif# +he
+arge+ ce"" for +he 22.
1(. The UE re/!on-/ +he SRNC wi+h an Ph#/ica" Channe" Reconfig*ra+ion Com!"e+eme//age +o com!"e+e +he 22 !roce-*re.
13. The SRNC /en-/ No-e9 1 a Ra-io Lin> $e"e+ion Re5*e/+ me//age +o re5*e/+ for
re"ea/ing +he -e"e+e- RL.
1. No-e9 1 re/!on-/ wi+h +he SRNC wi+h a Ra-io Lin> Re"ea/e Re/!on/e me//age +o
no+if# +he SRNC +ha+ +he RL ha/ 8een -e"e+e-.
1. The SRNC re"ea/e/ +he +ran/!or+ ne+wor> "a#er 8earer oer +he I*8 in+erface.
""""#nd
$""' %nter21re3uency HH( over %ur
4ig*re 1.1/how/ an in+er)fre5*enc# 22 oer I*r.
Figure . In+er)fre5*enc# 22 oer I*r
4ig*re 1.(/how/ +he !roce-*re for an in+er)fre5*enc# 22 oer I*r.
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Figure .! Proce-*re for an in+er)fre5*enc# 22 oer I*r
The !roce-*re for an in+er)fre5*enc# 22 oer I*r i/ a/ fo""ow/%
1. The SRNC -e+ermine/ +ha+ +he +arge+ ce"" for +he 22 i/ a ce"" *n-er +he $RNC an-
/en-/ +he $RNC a Ra-io Lin> Se+*! Re5*e/+ me//age.
(. The $RNC /en-/ No-e9 ( a Ra-io Lin> Se+*! Re5*e/+ me//age +o re5*e/+ for /e++ing *!an RL.
3. Af+er No-e9 ( /e+/ *! an RL= i+ re/!on-/ +o +he $RNC wi+h a Ra-io Lin> Se+*!
Re/!on/e me//age.
. The $RNC re/!on-/ +o +he SRNC wi+h a Ra-io Lin> Se+*! Re/!on/e me//age +o no+if#
+ha+ +he RL +o +he +arge+ ce"" ha/ 8een /e+ *!.
. The $RNC /e+/ *! +he +ran/!or+ ne+wor> "a#er 8earer oer +he I*8 in+erface.
6. The SRNC /e+/ *! +he +ran/!or+ ne+wor> "a#er 8earer oer +he I*r in+erface.
7. The No-e9 /en-/ +he $RNC a Ra-io Lin> Re/+ore In-ica+ion me//age +o no+if# +ha+ +he
RL ha/ 8een /#nchroni;e-.
&. The $RNC /en-/ +he SRNC a Ra-io Lin> Re/+ore In-ica+ion me//age +o no+if# +ha+ +heRL ha/ 8een /#nchroni;e-.
:. The SRNC /en-/ +he UE a Ph#/ica" Channe" Reconfig*ra+ion me//age +o /!ecif# +he
+arge+ ce"" for +he 22.
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10. The UE re/!on-/ +he SRNC wi+h an Ph#/ica" Channe" Reconfig*ra+ion Com!"e+eme//age +o com!"e+e +he 22 !roce-*re.
11. The SRNC /en-/ No-e9 1 a Ra-io Lin> $e"e+ion Re5*e/+ me//age +o re5*e/+ for
re"ea/ing +he -e"e+e- RL.
1(. No-e9 1 re/!on-/ wi+h +he SRNC wi+h a Ra-io Lin> Re"ea/e Re/!on/e me//age +ono+if# +he SRNC +ha+ +he RL ha/ 8een -e"e+e-.
13. The SRNC re"ea/e/ +he +ran/!or+ ne+wor> "a#er 8earer oer +he I*8 in+erface.
""""#nd
$"$ CCH over %urhen a UE in +he CELL@4AC2 /+a+e !erform/ an in+er)RNC ce"" re/e"ec+ion= i+ wi"" +rigger
+he CELL@UP$ATE !roce-*re in +he $RNC. If +he RNC -oe/ no+ /*!!or+ +he CC2 oer I*r=
+he $RNC /en-/ an *!"in> /igna"ing re"oca+ion in-ica+ion +o +he SRNC= an- +hen +he SRNC+rigger/ +he re"oca+ion wi+h ce"" *!-a+e. 4or -e+ai"/= /ee /ec+ion (.3.3Re"oca+ion wi+h Ce""
U!-a+e. If +he RNC /*!!or+/ CC2 oer I*r= +he common channe" can 8e /e+ *! oer +he I*r
in+erface= a/ /hown in 4ig*re 1.1. In +hi/ ca/e= re"oca+ion wi+h ce"" *!-a+e i/ no+ re5*ire-.
Figure . Se++ing *! +he common channe" oer +he I*r in+erface
hen a UE ce"" in +he CELL@4AC2 /+a+e i/ re/e"ec+e- +o +he NRNC ce""= i+ wi"" +rigger +he
re"oca+ion wi+h ce"" *!-a+e= an- +he re"oca+ion "a/+/ for a cer+ain !erio-. If +he UE i/ re/e"ec+e-
+o ano+her ce"" 8efore +he re"oca+ion i/ com!"e+e= +he UE wi"" 8e -i/connec+e- from +he ce""
8eca*/e +he UE /+a+e/ on +he CN are -ifferen+. In +heor#= +he CC2 oer I*r can effec+ie"#re-*ce +he ca"" -ro! ra+e of UE/ in +he CELL@4AC2 /+a+e.
2*awei RNC /*!!or+/ +he CC2 oer I*r.
$"' Relocation
$"'" 452Not2%nvolved Relocation
In +he UE)no+)ino"e- re"oca+ion= UE/ acce// a ce"" from on"# one $RNC= in-ica+ing +ha+ +he
I*r in+erface m*/+ 8e aai"a8"e. UE/ can acce// +he ce"" *n-er +he $RNC in an S2 or 22=a/ /hown in +he "ef+ !ar+ of4ig*re 1.1.UE/ are no+ ino"e- in +he re"oca+ion !roce-*re. Af+er
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+he re"oca+ion com!"e+e/= I*r re/o*rce/ are re"ea/e-= +he I* in+erface i/ re"oca+e-. In +hi/ ca/e=+he origina" $RNC 8ecome/ +he SRNC= a/ /hown in +he righ+ !ar+ of 4ig*re 1.1.
Figure . UE)no+)ino"e- re"oca+ion
CN
SRNC
NodeB
CELL CELL
UE
DRNC
NodeB
CELL CELL
NodeB
CELL CELL
UE
SRNC
NodeB
CELL CELL
SRNC
CN
4ig*re 1.(/how/ +he UE)no+)ino"e- re"oca+ion !roce-*re.
Figure .! UE)no+)ino"e- re"oca+ion !roce-*re
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The UE)no+)ino"e- re"oca+ion !roce-*re i/ a/ fo""ow/%
1. hen a"" RL/ connec+ +o RNC ( an- RNC 1 -e+ec+/ +ha+ +he +ran/mi//ion -e"a# i/ grea+er
+han +he +hre/ho"-= RNC1 /en-/ +he CN a RELCATIN REBUIRE$ me//age +ore5*e/+ for Sering Ra-io Ne+wor> S*8/#/+em SRNS' re"oca+ion.
(. The CN /en-/ RNC ( a RELCATIN REBUEST me//age an- forwar-/ +he SRNSre"oca+ion re5*e/+ +o RNC (.
3. RNC ( !re!are/ "a#er ( re/o*rce/ for +he re"oca+ion an- /en-/ +he CN a RELCATIN
REBUEST ACNLE$,E me//age.
. The CN /en-/ RNC 1 a RELCATIN CMMAN$ me//age +o no+if# RNC 1 of
/+ar+ing re"oca+ion.
. Af+er RNC 1 ma>e/ a"" !re!ara+ion/= for e?am!"e= /+o!!ing /igna"ing an- /erice ra-io"in> con+ro" RLC'= i+ /en-/ RNC ( a RELCATIN CMMIT me//age +o re5*e/+ for
/+ar+ing +he re"oca+ion.
6. RNC ( /en-/ +he CN a RELCATIN $ETECT me//age +o no+if# +ha+ +he re"oca+ion
ha/ 8een /+ar+e-. Then= RNC ( !erform/ re"ean+ o!era+ion/= for e?am!"e= "a#er (
config*ra+ion/.
7. RNC ( /en-/ +he UE a UTRAN M9ILITD IN4RMATIN me//age in*nac>now"e-ge- mo-e UM' +o no+if# +he UE of +he informa+ion a8o*+ +he new UMTS
Terre/+ria" Ra-io Acce// Ne+wor> UTRAN'.
&. The UE /en-/ RNC ( a UTRAN M9ILITD IN4RMATIN CN4IRM me//age in
ac>now"e-ge- mo-e AM'.
:. RNC ( /en-/ +he CN a RELCATIN CMPLETE me//age an- i/ change- a/ +he
SRNC.
10. RNC ( /en-/ +he UE a UE CAPA9ILITD ENBUIRD me//age +o 5*er# UE ca!a8i"i+ie/.
11. The UE /en-/ RNC ( a UE CAPA9ILITD IN4RMATIN me//age con+aining UE
ca!a8i"i+ie/.1(. RNC ( rea-/ +he UE ca!a8i"i+ie/ an- /en-/ +he UE a UE CAPA9ILITD IN4RMATIN
CN4IRM me//age.
13. The CN /en-/ RNC 1 an IU RELEASE CMMAN$ me//age +o re5*e/+ for re"ea/ing I*
in+erface re/o*rce/ re"a+e- +o +he UE.
1. Af+er +he re"oca+ion com!"e+e/= +he UE /en-/ RNC 1 an IU RELEASE CMPLETE
me//age.
""""#nd
$"'"$ Relocation with HH(
In +he UE)ino"e- re"oca+ion= UE/ are har- han-e- oer from +he SRNC +o +he +arge+ RNC
an- +he I*r in+erface i/ re"oca+e-. UE/ are ino"e- in +he re"oca+ion !roce-*re. Therefore=UE)ino"e- re"oca+ion i/ a"/o ca""e- UE)ino"e- re"oca+ion. hen a UE i/ har- han-e- oer
8e+ween ce""/ *n-er -ifferen+ RNC/ an- UE)ino"e- re"oca+ion i/ +riggere-= +he re"oca+ion i/
ca""e- re"oca+ion wi+h 22= a/ /hown in4ig*re 1.1.
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Figure . Re"oca+ion wi+h 22
In norma" ca/e/= re"oca+ion wi+h 22 i/ +riggere- when +he I*r in+erface i/ *naai"a8"e= fore?am!"e= +he I*r in+erface i/ conge/+e- or no I*r re/o*rce/ are config*re-. 4ig*re 1.( /how/
+he !roce-*re for re"oca+ion wi+h 22.
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Figure .! Proce-*re for re"oca+ion wi+h 22
The !roce-*re for re"oca+ion wi+h 22 i/ a/ fo""ow/%
1. Af+er RNC 1 receie/ an 22 mea/*remen+ re!or+= i+ /en-/ +he CN a RELCATIN
REBUIRE$ me//age +o re5*e/+ for SRNS re"oca+ion.
(. The CN /en-/ RNC ( a RELCATIN REBUEST me//age.
3. RNC ( /en-/ +he No-e9 a RA$I LIN SETUP REBUEST me//age +o in/+r*c+ +he
No-e9 +o /e+ *! an RL.
. The No-e9 /e+/ *! an RL an- re/!on-/ RNC ( wi+h a RA$I LIN SETUP
RESPNSE me//age.
. RNC ( !re!are/ for +he re"oca+ion an- /en-/ +he CN a RELCATIN REBUESTACNLE$,E me//age.
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6. The CN /en-/ RNC 1 a RELCATIN CMMAN$ me//age +o no+if# RNC 1 of/+ar+ing re"oca+ion.
7. RNC 1 re/!on-/ +he CN wi+h a 4RAR$ SRNS CNTET me//age +o no+if# +he CN
of +he re"ean+ SRNS con+e?+.
&. RNC 1 /en-/ +he UE a RA$I 9EARER RECN4I,URATIN me//age +o re5*e/+ for!h#/ica" channe" reconfig*ra+ion.
:. The CN /en-/ RNC ( a 4RAR$ SRNS CNTET me//age.
10. The No-e9 /en-/ RNC ( a RA$I LIN RESTRE IN$ICATIN me//age +o no+if#
+ha+ +he RL ha/ 8een /#nchroni;e-.
11. RNC ( /en-/ +he CN a RELCATIN $ETECT me//age.
1(. The UE /en-/ RNC ( a RA$I 9EARER RECN4I,URATIN CMPLETEme//age.
13. RNC ( /en-/ +he RELCATIN CMPLETE me//age +o +he CN a/ +he SRNC.
1. RNC ( /en-/ +he UE a UTRAN M9ILITD IN4RMATIN me//age +o no+if# +he UE
of +he informa+ion a8o*+ +he new UTRAN.1. The UE /en-/ RNC ( a UTRAN M9ILITD IN4RMATIN me//age.
16. The CN /en-/ RNC 1 an IU RELEASE CMMAN$ me//age +o re5*e/+ for re"ea/ing I*
in+erface re/o*rce/.
17. RNC 1 /en-/ +he CN an IU RELEASE CMPLETE me//age.
1&. RNC ( /en-/ +he UE a UE CAPA9ILITD ENBUIRD me//age +o 5*er# UE ca!a8i"i+ie/.
1:. The UE /en-/ RNC ( a UE CAPA9ILITD IN4RMATIN me//age con+aining UE
ca!a8i"i+ie/.
(0. RNC ( rea-/ +he UE ca!a8i"i+ie/ an- /en-/ +he UE a UE CAPA9ILITD IN4RMATIN
CN4IRM me//age.
""""#nd
$"'"' Relocation with Cell 4pdate
Re"oca+ion wi+h ce"" *!-a+e i/ a"/o ca""e- re"oca+ion wi+h forwar- han-oer. Re"oca+ion wi+h
ce"" *!-a+e i/ +riggere- when a UE in +he CELL@4AC2= CELL@PC2= or URA@PC2 /+a+e i/re/e"ec+e- 8e+ween ce""/ *n-er -ifferen+ RNC/= +he I*r in+erface i/ aai"a8"e= an- +he RNC
-oe/ no+ /*!!or+ +he CC2 oer I*r= a/ /hown in 4ig*re 1.1.
4ig*re 1.1/how/ +he !roce-*re for re"oca+ion wi+h ce"" *!-a+e.
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Figure . Proce-*re for re"oca+ion wi+h ce"" *!-a+e
The !roce-*re for re"oca+ion wi+h ce"" *!-a+e i/ a/ fo""ow/%
1. The UE i/ re/e"ec+e- +o a ce"" *n-er RNC ( an- /en-/ RNC ( a CELL UP$ATEme//age.
(. RNC ( a//ign/ a ce"" ra-io ne+wor> +em!orar# i-en+ifier C)RNTI' an- -rif+ RNTI $)
RNTI' +o +he UE an- forwar-/ +he CELL UP$ATE me//age receie- oer +he common
con+ro" channe" CCC2' +o RNC 1 +hro*gh +he UPLIN SI,NALIN, TRANS4ER
IN$ICATIN me//age.
3. RNC 1 /en-/ +he CN a RELCATIN REBUIRE$ me//age +o re5*e/+ for SRNSre"oca+ion.
. The CN /en-/ RNC ( a RELCATIN REBUEST me//age.
. RNC ( !re!are/ "a#er ( re/o*rce/ for +he re"oca+ion an- /en-/ +he CN a RELCATIN
REBUEST ACNLE$,E me//age.
6. The CN /en-/ RNC 1 a RELCATIN CMMAN$ me//age +o no+if# RNC 1 of
/+ar+ing re"oca+ion.
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7. Af+er RNC 1 ma>e/ a"" !re!ara+ion/= for e?am!"e= /+o!!ing +he /igna"ing an- /ericeRLC= i+ /en-/ RNC ( a RELCATIN CMMIT me//age +o re5*e/+ for /+ar+ing +he
re"oca+ion.
&. RNC ( /en-/ +he CN a RELCATIN $ETECT me//age +o no+if# +ha+ +he re"oca+ion
ha/ 8een /+ar+e-. Then= RNC ( !erform/ re"ean+ o!era+ion/= for e?am!"e= "a#er (config*ra+ion/.
:. RNC ( /en-/ +he UE a CELL UP$ATE CN4IRM me//age con+aining +he new C)RNTI
an- $)RNTI in a new ce"".
10. The UE /en-/ RNC ( a P2DSICAL C2ANNEL RECN4I,URATIN CMPLETE
me//age +o confirm +ha+ +he re"oca+ion /*ccee-/.
11. RNC ( /en-/ +he CN a RELCATIN CMPLETE me//age.
1(. RNC ( /en-/ +he UE a UE CAPA9ILITD ENBUIRD me//age +o 5*er# UE ca!a8i"i+ie/.
13. The UE /en-/ RNC ( a UE CAPA9ILITD IN4RMATIN me//age con+aining UE
ca!a8i"i+ie/.
1. RNC ( rea-/ +he UE ca!a8i"i+ie/ an- /en-/ +he UE a UE CAPA9ILITD IN4RMATIN
CN4IRM me//age.
1. RNC ( /en-/ +he UE a UTRAN M9ILITD IN4RMATIN me//age +o no+if# +he UEof +he informa+ion a8o*+ +he new UTRAN.
16. The UE /en-/ RNC ( a UTRAN M9ILITD IN4RMATIN me//age.
17. The CN /en-/ RNC 1 an IU RELEASE CMMAN$ me//age +o re5*e/+ for re"ea/ing I*
in+erface re/o*rce/ re"a+e- +o +he UE.
1&. RNC 1 /en-/ +he CN an IU RELEASE CMPLETE me//age.
""""#nd
$"+ D*CR
A/ /!ecifie- in 3,PP TS (3.060= +he RNC /en-/ an RRC CNNECTIN RELEASEme//age wi+h +he ca*/e $irec+e- Signa"ing Connec+ion re)e/+a8"i/hmen+ when i+ canno+
no+if# +he SRNC of a"i-a+ing +he UE -*e +o *naai"a8i"i+# of +he I*r in+erface for -e+ai"/= /ee
3,PP TS (.331'. In +hi/ ca/e= +he UE +rigger/ a ro*+ing area *!-a+e RAU' !roce-*reimme-ia+e"# *!on en+ering +he PMM)I$LE /+a+e when i+ ha/ receie- an RRC Connec+ion
Re"ea/e me//age wi+h +he ca*/e $irec+e- Signa"ing connec+ion re)e/+a8"i/hmen+ een if +he
RA ha/ no+ change- /ince +he "a/+ *!-a+e.
$"+" Protocols2*pecifed D*CR *cenarios
A/ /!ecifie- in 3,PP TS (3.060= 2*awei RNC */e/ +he $SCR f*nc+ion in +he fo""owing +hree
/cenario/.
Scenario 1%
The I*r in+erface i/ *naai"a8"e= +he UE i/ in +he CELL@4AC2= CELL@PC2= or URA@PC2
/+a+e= an- +he UE moe/ from a ce"" *n-er +he SRNC +o a ce"" *n-er +he $RNC +o +rigger a
ce"" *!-a+e. The $RNC canno+ /en- +he RNC an *!"in> /igna"ing re"oca+ion me//age oer +heI*r in+erface. Therefore= $SCR i/ re5*ire-. The $RNC origina+e/ +he $SCR 8# no+if#ing +he
UE -irec+"# +hro*gh +he /+an-ar- /igna"ing RRC CNN REL wi+h +he connec+ion re"ea/e
ca*/e $irec+e- Signa"ing Connec+ion Re)E/+a8"i/hmen+. 4ig*re 1.1/how/ +he $SCR
!roce-*re.
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Figure . $SCR !roce-*re /cenario 1'
Scenario (%
The I*r in+erface i/ aai"a8"e= an- +he re"oca+ion !re!ara+ion fai"/ -*ring re"oca+ion wi+h ce""
*!-a+e. 4ig*re 1.(/how/ +he $SCR !roce-*re.
Figure .! $SCR !roce-*re /cenario ('
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Scenario 3%
The I*r in+erface i/ aai"a8"e= an- +he re"oca+ion e?ec*+ion fai"/ -*ring re"oca+ion wi+h ce""
*!-a+e for e?am!"e= +he +imer of wai+ing for +he RELC CMMIT me//age e?!ire/'. 4ig*re1.3/how/ +he $SCR !roce-*re.
Figure .$ $SCR !roce-*re /cenario 3'
In a--i+ion +o +he !reio*/ /cenario/ where $SCR i/ */e- +o !erform mo8i"i+# managemen+=
+he RNC can */e $SCR in o+her I*r in+erconnec+ion /cenario/ /o +ha+ +he in+erconnec+ion i/more f"e?i8"e an- effec+ie.
$"+"$ Huawei2*pecifed D*CR *cenarios
452Not2%nvolved Relocation2based D*CR UE in +he CELL@$C2 /+a+e
hen a UE in +he CELL@$C2 /+a+e mee+/ UE)no+)ino"e- re"oca+ion con-i+ion/= +heSRNC -e+ermine/ whe+her +he $SCR +riggering con-i+ion i/ me+. If +he $SCR +riggering
con-i+ion i/ no+ me+= no ac+ion i/ re5*ire-. If +he $SCR +riggering con-i+ion i/ me+ an-
non)rea")+ime NRT' /erice/ are */e-= +he SRNC origina+e/ +he UE)no+)ino"e-
re"oca+ion)8a/e- $SCR. If +he $SCR +riggering con-i+ion i/ me+ 8*+ RT /erice/ are*/e-= +he SRNC +rigger/ a UE han-oer= no+ +he $SCR.
UE in +he CELL@4AC2 /+a+e
The I*r in+erface i/ aai"a8"e an- +he RNC /*!!or+/ CC2 oer I*r. A UE in +he
CELL@4AC2 /+a+e origina+e/ +he ce"" *!-a+e !roce-*re -*ring +he $RNC +o form +hecon-i+ion for +riggering UE)no+)ino"e- re"oca+ion. Then= +he SRNC -e+ermine/
whe+her +he $SCR +riggering con-i+ion i/ me+. If +he $SCR +riggering con-i+ion i/ no+
me+= no ac+ion i/ re5*ire-. If +he $SCR +riggering con-i+ion i/ me+= +he SRNC origina+e/+he UE)no+)ino"e- re"oca+ion)8a/e- $SCR.
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4or -e+ai"/ a8o*+ +he UE)no+)ino"e- re"oca+ion)8a/e- $SCR !roce-*re= /ee +he me//age+racing in +he /cenario where UE)no+)ino"e- re"oca+ion)8a/e- $SCR i/ !erforme- for PS
2SPA /erice/. In +hi/ /cenario= 2igh S!ee- U!"in> Pac>e+ Acce// 2SUPA' oer I*r i/
-i/a8"e-.
The me//age +racing re/*"+/ /how +ha+ PS /erice/ in */e are 2SPA /erice/= a/ /hown in +hefo""owing fig*re%
Af+er +he UE re!or+/ een+ 1A= a /ing"e /igna"ing "in> of +he neigh8oring RNC i/ a--e- a/
/hown in +he fo""owing fig*re%
Af+er +he UE re!or+/ een+ 1$= +he 2igh S!ee- $own"in> Pac>e+ Acce// 2S$PA' /ering
ce"" i/ change- from +he "oca" RNC ce"" +o a neigh8oring RNC ce"". In a--i+ion= 2SUPA
/erice/ are reconfig*re- a/ R:: /erice/. In +hi/ ca/e= man# incom!a+i8i"i+ie/ occ*r= an-+herefore 2SUPA oer I*r i/ -i/a8"e-.
Loca" RNC connec+ion/ are re"ea/e- af+er een+ 19 i/ re!or+e-. Af+er 30 /econ-/ e"a!/e= +he$SCR i/ +riggere- if +he UE)no+)ino"e- re"oca+ion con-i+ion i/ me+.
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Process (ptimi6ation2based D*CR In+ra)fre5*enc#
If +wo ce""/ *n-er -ifferen+ RNC/ /*!!or+ 2SPA an- 2SPA oer I*r i/ -i/a8"e-= +he UEre!or+/ een+ 1$ an- a ce"" *n-er +he $RNC i/ /!ecifie- a/ +he o!+im*m ce"" af+er RL/
oer I*r are a--e-. Af+er +he UE re!or+/ een+ 19= +he o!+imi;a+ion)8a/e- $SCR i/
+riggere-. In +he !roce// o!+imi;a+ion= +he $SCR wi"" 8e +riggere- 8efore +he UE
origina+e/ a han-oer an- +he origina" SRNC "in> i/ no+ -e"e+e-. If +he 2S$PA in-ica+or
of NRNCCELL i/ fa"/e= 2 oer I*r from 2SPA +o $C2 i/ +riggere-= an- +hen +he UE)no+)ino"e- re"oca+ion)8a/e- $SCR.
In+er)fre5*enc#
If +he /o*rce ce"" an- +he +arge+ ce"" *n-er -ifferen+ RNC/ /*!!or+ +he 2SPA an- 2SPAoer I*r i/ -i/a8"e-= +he !roce// o!+imi;a+ion)8a/e- $SCR wi"" 8e +riggere- af+er +he
in+er)fre5*enc# 22 oer I*r i/ !erforme-. In +hi/ ca/e= +he !roce-*re for -e"e+ing +he
SRNC "in> i/ no+ -e/cri8e-.
4or -e+ai"/ a8o*+ +he !roce// o!+imi;a+ion)8a/e- $SCR= /ee +he f"ow o!+imi;a+ion)+riggere-
$SCR of +he PS 2SPA. /ee +he me//age +racing in +he /cenario where o!+imi;a+ion !roce//)8a/e- $SCR i/ !erforme- for PS 2SPA /erice/.
The me//age +racing re/*"+/ /how +ha+ PS /erice/ in */e are 2SPA /erice/= a/ /hown in +hefo""owing fig*re%
Af+er +he UE re!or+/ een+ 1A= a /ing"e /igna"ing "in> of +he neigh8oring RNC i/ a--e-= an
in+er)RNC /ing"e /igna"ing "in> i/ a--e-. Af+er +he UE re!or+/ een+ 1$= +he 2SPA /eringce"" change !roce-*re i/ no+ +riggere- 8eca*/e 2S$PA or I*r an- 2SUPA oer I*r are
-i/a8"e-. Af+er +he UE re!or+/ een+ 19= +he "oca" RNC "in> wi"" 8e -e"e+e-= an- +hen +he
SRNC origina+e/ +he $SCR.
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The +racing re/*"+/ of +he informa+ion e"emen+ IE' RRC@CNN@REL /how +ha+ +he SRNCha/ origina+e- +he $SCR.
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' (verview o) the RNCReparenting *olution
The RNC re!aren+ing /o"*+ion ino"e/ in+ra)fre5*enc# RNC re!aren+ing an- in+er)fre5*enc#
RNC re!aren+ing. In+ra)fre5*enc# RNC re!aren+ing can 8e !erforme- when +he I*r in+erface
i/ aai"a8"e or when +he I*r in+erface -oe/ no+ e?i/+.
I*r in+erconnec+ion !o"icie/ recommen- in+er)fre5*enc# RNC re!aren+ing wi+ho*+ +he I*r
In+erface an- in+ra)fre5*enc# RNC re!aren+ing wi+h +he aai"a8"e I*r in+erface. The in+er)
fre5*enc# RNC re!aren+ing /o"*+ion +a>e/ !riori+# oer +he in+ra)fre5*enc# RNC re!aren+ing/o"*+ion. In+ra)fre5*enc# RNC re!aren+ing wi+ho*+ +he I*r In+erface an- in+er)fre5*enc# RNC
re!aren+ing wi+h +he aai"a8"e I*r in+erface are no+ recommen-e-.
Thi/ cha!+er -e/cri8e/ on"# +he recommen-e- RNC re!aren+ing /o"*+ion/.
'" %nter21re3uency RNC Reparenting 7ithoutthe %ur %nter)ace
Thi/ /o"*+ion a!!"ie/ +o mo/+ /i+e/.
(peration *uggestion
Thi/ /o"*+ion -oe/ no+ ino"e +he I*r in+erface config*ra+ion. Therefore= +he /o"*+ion i/ ea/#
+o im!"emen+. 2oweer= +he fre5*enc# */age an- +he 3,)+o)(, neigh8oring ce"" config*ra+ionin 8o*n-arie/ nee- +o 8e con/i-ere-. The fo""owing o!era+ion /*gge/+ion/ /ho*"- a!!"#%
$ifferen+ fre5*encie/ are */e- 8efore an- af+er RNC re!aren+ing. Tha+ i/= 2*awei
ne+wor> */e a -ifferen+ fre5*enc# from +ha+ */e- for +he remaining en-orF/ ne+wor>
af+er +he re!aren+ing.
G n a /ing"e)carrier ne+wor>= o!era+or/ nee- +o !roi-e a acan+ fre5*enc#.
G n a -*a")carrier ne+wor>= if 8o+h f1 fre5*enc# an- f( fre5*enc# !roi-e /eam"e//
coerage= o!era+or/ nee- +o !roi-e +wo acan+ fre5*encie/.
G n a -*a")carrier ne+wor>= if on"# one en-or !roi-e/ f( fre5*enc# +o coer +he8o*n-arie/ 8e+ween +he /wa!!e- ne+wor> an- remaining ne+wor>= o+her fre5*encie/
re!"ace f1 fre5*enc# an- f( fre5*enc# remain/ *nchange-. Therefore= o!era+or/ nee-
+o !roi-e on"# one acan+ fre5*enc#.
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G n a -*a")carrier ne+wor>= if no f( fre5*enc# coer/ +he 8o*n-arie/ 8e+ween +he/wa!!e- ne+wor> an- remaining ne+wor>= f( fre5*enc# re!"ace/ f1 fre5*enc# an- f1
fre5*enc# re!"ace/ f( fre5*enc#. 2oweer= +he /wa! e?!erience /how/ +ha+
in+erference /+i"" e?i/+/.
G Three)carrier/ are rare"# ino"e-. In +hi/ ca/e= *n*/e- fre5*encie/ are recommen-e-="i>e +he !reio*/ /cenario/.
No I*r in+erface i/ config*re- 8e+ween 2*awei RNC an- en-or RNC.
2*awei ne+wor> an- en-or ne+wor> r*n in-e!en-en+"# an- in+erconnec+ +o +he e?i/+ing
(, ne+wor> re/!ec+ie"#. In c"*/+er 8o*n-arie/= on"# 3,)+o)(, neigh8oring ce""/ areconfig*re- +o !erform mo8i"i+# managemen+. 2*awei 3,)+o)en-or 3, neigh8oring ce""/
are no+ config*re-. I+ i/ no+ recommen-e- +ha+ in+er)fre5*enc# 22 oer I*r i/ no+
recommen-e- on +he CN.
Af+er RNC re!aren+ing com!"e+e/= +he fre5*enc# */e- for re!aren+ing nee-/ +o 8e
change- +o +he fre5*enc# re5*ire- for +he "ie ne+wor> if +he ne+wor> */ing +he origina"
fre5*enc# e?i/+/. The fre5*enc# change en/*re/ +ha+ in+ra)fre5*enc# 2 oer I*r i/
!erforme-.
Af+er RNC re!aren+ing com!"e+e/= /ee +he -e/cri!+ion/ in cha!+er I*r In+erconnec+ion
Te/+ Re/*"+/ +o !erform in+ra)fre5*enc# ne+wor>ing oer +he I*r in+erface.
Procedure
4ig*re 1.1/how/ +he !roce-*re for in+er)fre5*enc# RNC re!aren+ing wi+ho*+ +he I*r In+erface.
Figure . Proce-*re for in+er)fre5*enc# RNC re!aren+ing wi+ho*+ +he I*r In+erface
Advantage Preen+/ incom!a+i8i"i+ie/ for I*r in+erconnec+ion/ 8e+ween RNC/ of -ifferen+ en-or/
an- en/*re/ /moo+h re!aren+ing.
Preen+/ /igna" in+erference of +he origina" en-or an- en/*re/ +ha+ PI/ af+er
re!aren+ing mee+ +he re5*iremen+/.
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Re5*ire/ no I*r in+erconnec+ion/ wi+h +he en-or ne+wor> an- re-*ce/ +he wor>"oa-
ca*/e- 8# +he change- I*r in+erface.
%mpact
In +he 8o*n-arie/ 8e+ween 2*awei ne+wor> an- +he remaining en-orF/ ne+wor>= UE/ are
han-e- oer from +he 3, ne+wor> +o (, ne+wor>. Therefore= +he +raffic o"*me on +he 3,
ne+wor> -ecrea/e/. If +he in+er)RAT han-oer or ce"" re/e"ec+ion !arame+er /e++ing/ on +he (,ne+wor> ca*/e UE/ -iffic*"+ +o 8e han-e- oer 8ac> +o +he 3, ne+wor>= +he +raffic o"*me on
+he 3, ne+wor> wi"" -rama+ica""# -ecrea/e. PS */er/ are no+ !rone +o mo8i"i+#. Therefore= +he
-ecrea/e in +raffic o"*me i/ 8a/e- on CS /erice/. If +he origina" 3, ne+wor> -oe/ no+
!roi-e /eam"e// coerage= +he c"*/+er/ are in-e!en-en+ geogra!hica""# af+er +he re!aren+ing.The +raffic o"*me -oe/ no+ change grea+"#.
Thi/ /o"*+ion ha/ a /ma"" im!ac+ on oice */er e?!erience. n (, ne+wor>/= PS */er/ canno+*/e high)/!ee- PS /erice/. The im!ac+ on PS */er e?!erience i/ a"/o /ma"" 8eca*/e PS */er/
are no+ !rone +o mo8i"i+#. There ma# 8e a grea+ !o//i8i"i+# +ha+ man# i-"e */er/ ma# cam! on
+he (, ne+wor>. Therefore= ne+wor> icon/ on /ome +ermina" /creen/ change= which ma# ca*/ec*/+omer com!"ain+/. If +he origina" 3, ne+wor> -oe/ no+ !roi-e /eam"e// coerage= +hec"*/+er/ are in-e!en-en+ geogra!hica""# af+er +he re!aren+ing. In +hi/ ca/e= 3, */er/ wi"" cam!
on +he (, ne+wor> for a cer+ain !erio-. Af+er +he re!aren+ing= */er e?!erience con+in*o*/"#
*nfaora8"e.
'"$ %ntra21re3uency RNC Reparenting 7ith theAvailable %ur %nter)ace
Thi/ /o"*+ion i/ of+en */e- in +he /i+e/ where fre5*enc# re/o*rce/ are "imi+e-.
(peration *uggestion The /ame fre5*enc# i/ */e- 8efore an- af+er RNC re!aren+ing. Tha+ i/= 2*awei ne+wor>
*/e +he /ame fre5*enc# a/ +ha+ */e- for +he remaining en-orF/ ne+wor> af+er +he
re!aren+ing
The I*r in+erface i/ aai"a8"e 8e+ween 2*awei RNC an- en-or RNC. UE/ can 8e /of+ or
har- han-e- oer 8e+ween 2*awei ne+wor> an- en-or ne+wor>.
The I*r in+erface/ of en-or/ are -ifferen+. The fo""owing /ec+ion/ -e/cri8e I*rin+erconnec+ion !o"icie/.
Procedure
4ig*re 1.1/how/ +he !roce-*re for in+er)fre5*enc# RNC re!aren+ing wi+h +he aai"a8"e I*rin+erface.
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Figure . Proce-*re for in+er)fre5*enc# RNC re!aren+ing wi+h +he aai"a8"e I*r in+erface
Advantage
Thi/ /o"*+ion en/*re/ fre5*enc# re/o*rce/ are /*fficien+.
%mpact
Thi/ /o"*+ion ha/ a "arge amo*n+ of I*r in+erface in+erconnec+ion wor>"oa- 8eca*/e man#fac+or/ are no+ con+ro""a8"e.
I*r in+erconnec+ion ma# cro// -ifferen+ I*r in+erface/ an- "a/+/ for a cer+ain !erio- ca*/e-
8# error/ in +he en-orF/ ne+wor>. Therefore= +he ne+wor> !erformance wi"" -e+eriora+e
/"igh+"#.
$*ring +he RNC re!aren+ing= neigh8oring ce""/ of +he en-or change increa/ing"#= which
re5*ire/ a "arge amo*n+ of wor>"oa-.
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+ %ur %nterconnection !est ResultsThe g"o8a" in+ero!era+ion +e/+ ,IT' +e/+ oer +he I*r in+erface main"# ino"e/ main/+reamen-or/= inc"*-ing A"ca+e")L*cen+ ALU'= No>ia Siemen/ Ne+wor>/ NSN'= an- Eric//on. In
+he ,IT= +e/+ engineer/ erif# +e/+ i+em/ an- re!or+/ incom!a+i8i"i+ie/ in in+erconnec+ion8e+ween 2*awei RNC an- en-or RNC. The +e/+ re!or+ i/ can 8e */e- a/ a reference for I*r
in+erconnec+ion !o"icie/ when +he I*r in+erface i/ aai"a8"e.
+" /%(! !est Results 8etween Huawei RNCand Vendor RNC
+"" Huawei2AL4 /%(! !est Results4ig*re 1.1-e/cri8e/ 2*awei)ALU ,IT +e/+ re/*"+/.
2*awei RNC er/ion% :00R013EN,C00SPC(0
ALU RNC er/ion% UA0713
Figure . 2*awei)ALU ,IT +e/+ re/*"+/
ALU RNC er/ion% UA0713
2*awei RNC er/ion% :00R013EN,C00SPC(0
Huawei2AL4 /%(! !est Results
*ervice !ype Huawei *RNC
Category
*ub2Category
H(over%ur
452Not2%nvolved
Relocation
452%nvolvedRelocatio
n
D*CR
C% N9 AMR I*UP1 P 4 ALU' P NHA
N9 AMR I*UP( P 4 ALU' P NHA
9 AMR I**P( NP NP NP NHA
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ALU RNC er/ion% UA0713
2*awei RNC er/ion% :00R013EN,C00SPC(0
Huawei2AL4 /%(! !est Results
*ervice !ype Huawei *RNC
Category
*ub2Category
H(over%ur
452Not2%nvolved
Relocation
452%nvolvedRelocatio
n
D*CR
P P 4 ALU' P NHA
&% R'' P P P P
H%D&A P P P P
H%(&A 10 m/ 42*awei=
ALU'
4 2*awei= ALU' P4 2*awei=ALU'
( m/ NP NP NP NP
C%)&% N9 AMR
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P% in-ica+e/ +he +e/+ i+em !a//e-.
P in-ica+e/ +he +e/+ i+em !a//e-= 8*+ /ome !roce-*re/ ma# fai".
NP in-ica+e/ +he +e/+ i+em i/ no+ !erforme-.
4 in-ica+e/ +he +e/+ i+em fai"/.
NA in-ica+e/ +he +e/+ i+em i/ no+ /*!!or+e-.
+""$ Huawei2N*N /%(! !est Results
4ig*re 1.1-e/cri8e/ 2*awei)NSN ,IT +e/+ re/*"+/.
2*awei RNC er/ion% :00R013EN,C00SPC(0
NSN RNC er/ion% RN60
Figure . 2*awei)NSN ,IT +e/+ re/*"+/
NSN RNC er/ion% RN60
2*awei RNC er/ion% :00R013EN,C00SPC(0
Huawei2N*N /%(! !est Results
*ervice !ype Huawei *RNC
Category
*ub2Category
H( over%ur
452Not2%nvolved
Relocation
452%nvolved
Relocation
D*CR
C% N9 AMRI*UP1
P P P NHA
N9 AMR
I*UP(P P P NHA
9 AMR P P P NHA
P P P P NHA
&% R'' P 2*awei=
NSN'P P P
H%D&A 4 NSN=
2*awei'4 NSN= 2*awei' P
4 NSN=
2*awei'
H%(&A 10 m/ 4 NSN' 4 NSN' P 4 NSN'
( m/ NHA NHA NHA NHA
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NSN RNC er/ion% RN60
2*awei RNC er/ion% :00R013EN,C00SPC(0
Huawei2N*N /%(! !est Results
*ervice !ype Huawei *RNC
Category
*ub2Category
H( over%ur
452Not2%nvolved
Relocation
452%nvolved
Relocation
D*CR
C%)&% N9 AMR
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Eric//on RNC er/ion% 119
Figure . 2*awei)Eric//on ,IT +e/+ re/*"+/
Eric//on RNC er/ion% 119
2*awei RNC er/ion% :00R013EN,C00SPC(0
Huawei25ricsson /%(! !est Results
*ervice !ype Huawei *RNC
Category
*ub2Category
H( over%ur
452Not2%nvolvedRelocatio
n
452%nvolved
Relocation
D*CR
C% N9 AMR I*UP1 P NHA P NHA
N9 AMR I*UP( NP NHA 4Eric//on' NHA
9 AMR I**P( P NHA NP NHA
P P NHA P NHA
&% R'' P NHA NHA P
H%D&A P NHA NHA P
H%(&A 10 m/4 2*awei=
Eric//on')
Af+er +he!a+ch !roi-e
8# 2*awei
+a>e/ effec+=+he +e/+ i+em
/+i"" fai"/.
Eric//on
i-en+ifie/ +hefa*"+.
NHA NHA
4 2*awei=Eric//on')
Af+er +he
!a+ch!roi-e 8#2*awei
+a>e/ effec+=
+he +e/+ i+em/+i"" fai"/.
Eric//on
i-en+ifie/ +he
fa*"+.
( m/ 4 Eric//on' NHA NHA 4 Eric//on'
C%)&% N9 AMR
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Vendo
rC* P* R-- H*DPA H*4PA C*9P* *R8 over H:5 CCH
/erice/ e?i/+.
NSN S*!!or+/ 2
oer I*r= UE)
ino"e-
re"oca+ion= an-
UE)no+)ino"e-
re"oca+ion.
S*!!or+/ 2
oer I*r= UE)
ino"e-
re"oca+ion=
UE)no+)
ino"e-
re"oca+ion= an-
$SCR
2a/
incom!a+i8i"i+
ie/ in 2
oer I*r= UE)
no+)
ino"e-
re"oca+ion=
an- $SCR=
re/*"+ing in
!roce-*re
fai"*re/.
$oe/ no+ /*!!or+
( m/ 2SUPA
oer I*r.
2a/
incom!a+i8i"i+ie/
in 2 oer I*r=
UE)no+)ino"e-
re"oca+ion= an-
$SCR for 10 m/
2SUPA /erice/=
re/*"+ing in
!roce-*re
fai"*re/.
S*!!or+/ 2
oer I*r= UE)
ino"e-
re"oca+ion= an-
UE)no+)ino"e-
re"oca+ion for
AMR
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, %ur %nterconnection Policies$e+ai"e- config*ra+ion/ are re5*ire-. Therefore= +hi/ cha!+er -e/cri8e/ I*r in+erconnec+ion!o"icie/ when 2*awei RNC in+erconnec+/ wi+h en-or RNC.
," Huawei2AL4 %ur %nterconnection Policiesn "ie ne+wor>/= in+erconnec+ion !o"icie/ are -ifferen+= which "ie/ in neigh8oring ce""
config*ra+ion. The !o"icie/ for S2 an- 22 are +he /ame= which are -e/cri8e- in +he
fo""owing +wo ne+wor>ing /cenario/%
Policies )or Confguring Neighboring Cells Sing"e)carrier ne+wor> or -*a")carrier ne+wor> wi+h f( fre5*enc# *n8arre-
n +hi/ ne+wor>= if f( fre5*enc# !roi-e/ /eam"e// coerage= ce""/ coere- 8# f(
fre5*encie/ of 2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc#
neigh8oring ce""/ an- ce""/ coere- 8# f1 fre5*encie/ are m*+*a""# config*re- a/ in+ra)fre5*enc# neigh8oring ce""/= a/ /hown in +he fo""owing fig*re%
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If f( fre5*enc# -oe/ no+ !roi-e /eam"e// coerage= ce""/ coere- 8# f1 fre5*encie/ of2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc# neigh8oring ce""/
an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are *ni-irec+iona""# config*re- a/
in+er)fre5*enc# neigh8oring ce""/ of ce""/ coere- 8# f( fre5*enc# of 2*awei= a/ /hownin +he fo""owing fig*re%
$*a")carrier ne+wor> wi+h f( fre5*enc# 8arre-
n +hi/ ne+wor>= when f( fre5*enc# i/ 8arre-= UE/ !erforming PS 9E /erice/ canno+
acce// +he ne+wor> af+er $SCR i/ +riggere- in i-"e /+a+e. UE 8ehaior/ are no+
con+ro""a8"e= an- +herefore +he UE/ wi"" 8e -i/connec+e- from +he ne+wor>. Ce""/ coere-8# f( fre5*encie/ of 2*awei an- ano+her en-or /ho*"- no+ 8e config*re- a/ neigh8oring
ce""/= an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are *ni-irec+iona""#
config*re- a/ neigh8oring ce""/ of ce""/ coere- 8# f( fre5*enc# of 2*awei. The -e+ai"e-!o"icie/ are a/ fo""ow/%
Regar-"e// of whe+her f( fre5*enc# !roi-e/ /eam"e// coerage= ce""/ coere- 8# f1fre5*encie/ of 2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc#
neigh8oring ce""/ an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are
*ni-irec+iona""# config*re- a/ in+er)fre5*enc# neigh8oring ce""/ of ce""/ coere- 8# f(fre5*enc# of 2*awei= a/ /hown in +he fo""owing fig*re%
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Rules )or *electing %nterconnection Policies
The r*"e/ for /e"ec+ing I*r in+erconnec+ion !o"icie/ are -e/cri8e- a/ fo""ow/%
n "ie ne+wor>/= if 2*awei RNC -oe/ no+ in+erconnec+ +o en-or RNC= +he I*r
in+erconnec+ion !o"icie/ -e/cri8e- in /ec+ion .1.1Po"ic# 1% 2 oer I*r for CS Serice/an- Proce// !+imi;a+ion)8a/e- $SCR for PS 9E Serice/ are recommen-e- +o aoi-
incom!a+i8i"i+ie/.
If +he fo""owing I*r in+erconnec+ion !o"icie/ inc"*-e +he in+erconnec+ion !o"icie/ */e- in
+he origina" ne+wor>= +he !o"icie/ */e- in +he origina" ne+wor> can 8e /e"ec+e-.
If c*/+omer/ -o no+ recommen- +he I*r in+erconnec+ion !o"icie/ -e/cri8e- in /ec+ion
.1.1Po"ic# 1% 2 oer I*r for CS Serice/ an- Proce// !+imi;a+ion)8a/e- $SCR for
PS 9E Serice/= +he o+her !o"icie/ -e/cri8e- in +he fo""owing /ec+ion/ can 8e /e"ec+e-.
Incom!a+i8i"i+ie/ m*/+ 8e comm*nica+e- wi+h c*/+omer/ /o +ha+ I*r in+erconnec+ion
!o"icie/ are acce!+e- 8# 8o+h !ar+ie/.
,"" Policy ; H( over %ur )or C* *ervices andProcess (ptimi6ation2based D*CR )or P* 85 *ervices
Policies )or H( over %ur
The fo""owing +a8"e -e/cri8e/ +he 2*awei)ALU I*r in+erconnec+ion !o"icie/ for S2 oer I*r
an- 22 oer I*r.
*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
AMRHP Triggering 2 oer I*r= no+ re"oca+ion Triggering 2 oer I*r= no+ re"oca+ion
PS R:: Triggering $SCR af+er 2 oer I*r i/
!erforme-
Triggering $SCR af+er 2 oer I*r i/
!erforme-
2S$PA Triggering !roce// o!+imi;a+ion)8a/e-$SCR af+er 2 oer I*r i/ !erforme-
Triggering !roce// o!+imi;a+ion)8a/e-$SCR af+er +he 22 oer I*r i/
!erforme-= wi+ho*+ +he 22 !roce-*re
2SUPA Triggering !roce// o!+imi;a+ion)8a/e-
$SCR af+er 2SUPA /erice/ are
reconfig*re- a/ R:: /erice/ in +he*!"in> an- 2 oer I*r i/ !erforme- on
+he reconfig*re- /erice/
Triggering !roce// o!+imi;a+ion)8a/e-
$SCR af+er +he 22 oer I*r i/
!erforme-= wi+ho*+ +he 22 !roce-*re
CS'
U/ing +he /ame !o"icie/ for PS 9E/erice/ af+er CS /erice/ are
re"ea/e-
U/ing +he /ame !o"icie/ for CS
/erice/ af+er PS /erice/ arere"ea/e-
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*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
SR9 oer
2SPA
Triggering 2 oer I*r af+er +he SR9 i/
reconfig*re- on +he $C2
Triggering 2 oer I*r af+er +he SR9 i/
reconfig*re- on +he $C2
CC2 Triggering ce"" *!-a+e)8a/e- $SCR
+riggere- 8# +he $RNC af+er +he UE i/
re/e"ec+e- +o a ce"" *n-er +he $RNC.
% hen ALU RNC ac+/ a/ +he $RNC= i+-oe/ no+ /*!!or+ *!"in>H-own"in>
/igna"ing -irec+ +ran/fer in-ica+ion or
CC2 oer I*r. Therefore= on"# +he ce""*!-a+e)8a/e- $SCR i/ !erforme-. Thi/
f*nc+ion -e!en-/ on +he config*ra+ion of
ALU RNC.
Triggering ce"" *!-a+e)8a/e- $SCR
+riggere- 8# +he $RNC af+er +he UE i/
re/e"ec+e- +o a ce"" *n-er +he $RNC.
% hen ALU RNC ac+/ a/ +he $RNC= i+-oe/ no+ /*!!or+ *!"in>H-own"in>
/igna"ing -irec+ +ran/fer in-ica+ion or
CC2 oer I*r. Therefore= on"# +he ce""*!-a+e)8a/e- $SCR i/ !erforme-. Thi/
f*nc+ion -e!en-/ on +he config*ra+ion of
ALU RNC.
Recommended Confguration
The fo""owing !o"ice/ are config*re- 8a/e- on +he I*r +ran/!or+ ne+wor> "a#er config*ra+ion/
a+ +he "ower "a#er.
1. The I*r in+erface i/ aai"a8"e. S2 i/ /*!!or+e- for CS /erice/ an- non)2SPA /erice/=
an- 22 oer I*r i/ /*!!or+e-. CC2 oer I*r= 2S$PA oer I*r= an- 2SUPA oer I*r are-i/a8"e-. R*n +he fo""owing comman- +o ena8"e $SCR%
ADD UNRNC:NRNCID=XXX, IUREXISTIND=TRUE, DPX=XXX, TNLBEARERTYPE=XXX,
SHOTRIG=CS_SHO_SWITCH-1& NON_HSPA_SHO_SWITCH-1, HHOTRIG=ON,SERVICEIND=SUPPORT_CS_AND_PS, RNCPROTCLVER=XX, SUPPIURCCH=NO,
IURHSDPASUPPIND=OFF, IURHSUPASUPPIND=OFF, PSBEPROCTYPE=CORRM_SRNSR_PSBE_DSCR,
IUREISTIN$JTRUE= which in-ica+e/ +ha+ +he I*r in+erface i/ aai"a8"e.
S2TRI,JCS@S2@SITC2)1K NN@2SPA@S2@SITC2)1= which in-ica+e/ +ha+ S2 i/
/*!!or+e- for CS /erice/ an- non)2SPA /erice/ 8eca*/e 2S$PA oer I*r an- 2SUPA oer I*r hae
8een -i/a8"e-.
22TRI,JN= which in-ica+e/ +ha+ 22 oer I*r i/ /*!!or+e- +o mee+ +he in+er)fre5*enc# han-oer
re5*iremen+/.
SUPPIURCC2JN= which in-ica+e/ +ha+ CC2 oer I*r i/ no+ /*!!or+e- 8eca*/e ALU RNC -oe/ no+
/*!!or+ +hi/ f*nc+ion.
IUR2S$PASUPPIN$J44= IUR2SUPASUPPIN$J44= which in-ica+e/ +ha+ 2S$PA oer I*r an-
2SUPA oer I*r are -i/a8"e-. To +rigger !roce// o!+imi;a+ion)8a/e- $SCR= +he config*ra+ion i/
re5*ire-. The config*ra+ion can /o"e 2SUPA incom!a+i8i"i+ie/ in ALU RNC.
(. CS an- PS rea")+ime /erice/ -o no+ /*!!or+ UE)no+)ino"e- re"oca+ion.
SET USRNSR: S!"#R$%C"D'$("T)*+=NRT
3. To /e+ +he $SCR /wi+ch an- +riggering a"gori+hm/ for PS 9E /erice/= +he fo*r /wi+che/
m*/+ 8e a"" +*rne- on. Re"oca+ion or $SCR i/ +riggere- on"# if one i+em mee+/ +he
con-i+ion.
SET UCORRMALGOSWITCH: S!"#!S(./=SRNSR_DSCR_IUR_RESRCE_SWITCH-
1&SRNSR_DSCR_LOC_SEPRAT_SWITCH-1&SRNSR_DSCR_PROPG_DELAY_SWITCH-
1&SRNSR_DSCR_SEPRAT_DUR_SWITCH-1
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. The neigh8oring RNC ce"" i/ config*re- 8a/e- on ac+*a" ca!a8i"i+ie/. In /ome /!ecia"/cenario/= +he neigh8oring RNC ce"" m*/+ 8e a+ "ea/+ config*re- a/ an 2S$PA ce"".
ADD UEXT0GCELL: C+C$*C"$("+!F22=HSDSCH_SUPPORT-1&EDCH_SUPPORT-1
The neigh8oring RNC ce"" i/ config*re- a/ an 2S$PA ce""= 8eca*/e 2*awei ne+wor> an- en-orne+wor> are config*re- wi+h 2S$PA ce""/= which i/ a nece//i+# for +he RNC +o -e+ermine !roce//
o!+imi;a+ion)8a/e- $SCR.
Advantage The !o"ic# mi+iga+e/ +he I*r f*nc+ion/ +ha+ are *naai"a8"e for ALU RNC= for e?am!"e=
SR9 oer EH2 oer I*r.
The !o"ic# mi+iga+e/ +he incom!a+i8i"i+ie/ in in+erconnec+ion wi+h ALU RNC= for
e?am!"e= incom!a+i8i"i+ie/ in UE)no+)ino"e- CS re"oca+ion= UE)no+)ino"e- 2SUPA
re"oca+ion= an- $SCR.
$SCR !reen+/ I*r re/o*rce/ from 8eing a"wa#/ occ*!ie- 8# in+er)RNC /erice/=
re-*cing +he I*r re/o*rce con/*m!+ion= an- !reen+/ o+her *n!re-ic+a8"e ri/>/= re-*cingI*r in+erconnec+ion incom!a+i8i"i+ie/.
Proce// o!+imi;a+ion)8a/e- $SCR /im!"ifie/ +he in+er)RNC !roce-*re= aoi-ing I*r
re/o*rce conge/+ion an- !reen+ing fre5*en+ 2 oer I*r from occ*!#ing I*r re/o*rce/re!ea+e-"#= an- re-*cing in+erconnec+ion incom!a+i8"e/.
Disadvantage In +he $SCR e?ec*+ion !roce//= +he ra-io "in> i/ -i/connec+e- an- +hen ree/+a8"i/he-=
which in+err*!+/ -a+a +ran/mi//ion of PS */er/ for a8o*+ 10 /econ-/. 2oweer= +he /hor+)+ime -a+a +ran/mi//ion in+err*!+ion -oe/ affec+ */er e?!erience grea+"#.
In +he ca/e of CC2 oer I*r= on"# +he ce"" *!-a+e)8a/e- $SCR i/ !erform +o /o"e UE
mo8i"i+# managemen+ of CC2 oer I*r. Thi/ f*nc+ion -e!en-/ on +he config*ra+ion ofALU RNC. The rea/on i/ +ha+ ALU RNC -oe/ no+ /*!!or+ *!"in>H-own"in> /igna"ing
-irec+ +ran/fer in-ica+ion or CC2 oer I*r.
,""$ Policy $; H( over %ur )or C* *ervices and 452Not2%nvolved Relocation2based D*CR )or P* 85*ervices
Policies )or H( over %ur
The fo""owing +a8"e -e/cri8e/ +he I*r in+erconnec+ion !o"icie/ for S2 oer I*r an- 22oer I*r.
*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
AMRHP Triggering 2 oer I*r= no+re"oca+ion
Triggering 2 oer I*r= no+re"oca+ion
PS R:: Triggering $SCR af+er 2 oer
I*r i/ !erforme-
Triggering $SCR af+er 2 oer I*r i/
!erforme-
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*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
2S$PA Triggering UE)no+)ino"e-
re"oca+ion)8a/e- $SCR af+er 2oer I*r i/ !erforme-
Triggering UE)no+)ino"e-
re"oca+ion)8a/e- $SCR af+er 2 oerI*r i/ !erforme-
2SUPA Triggering UE)no+)ino"e-
re"oca+ion)8a/e- $SCR af+er2SUPA /erice/ are reconfig*re-
a/ R:: /erice/ in +he *!"in> an-
2 oer I*r i/ !erforme- on +hereconfig*re- /erice/
Triggering UE)no+)ino"e-
re"oca+ion)8a/e- $SCR af+er 2SUPA/erice/ are reconfig*re- a/ R::
/erice/ in +he *!"in> an- 2 oer
I*r i/ !erforme- on +he reconfig*re-/erice/
CS'
U/ing +he /ame !o"icie/ for PS 9E/erice/ af+er CS /erice/ are
re"ea/e-
U/ing +he /ame !o"icie/ for CS
/erice/ af+er PS /erice/ are
re"ea/e-
SR9oer2SPA Triggering 2 oer I*r af+er +he
SR9 i/ reconfig*re- on +he $C2
Triggering 2 oer I*r af+er +he SR9
i/ reconfig*re- on +he $C2
CC2 Triggering ce"" *!-a+e)8a/e-$SCR +riggere- 8# +he $RNC
af+er +he UE i/ re/e"ec+e- +o a ce""*n-er +he $RNC.
% hen ALU RNC ac+/ a/ +he$RNC= i+ -oe/ no+ /*!!or+
*!"in>H-own"in> /igna"ing -irec+
+ran/fer in-ica+ion or CC2 oerI*r. Therefore= on"# +he ce""
*!-a+e)8a/e- $SCR i/ !erforme-.
Thi/ f*nc+ion -e!en-/ on +he
config*ra+ion of ALU RNC.
Triggering ce"" *!-a+e)8a/e- $SCR+riggere- 8# +he $RNC af+er +he UE
i/ re/e"ec+e- +o a ce"" *n-er +he$RNC.
% hen ALU RNC ac+/ a/ +he$RNC= i+ -oe/ no+ /*!!or+
*!"in>H-own"in> /igna"ing -irec+
+ran/fer in-ica+ion or CC2 oer I*r.Therefore= on"# +he ce"" *!-a+e)8a/e-
$SCR i/ !erforme-. Thi/ f*nc+ion
-e!en-/ on +he config*ra+ion of ALU
RNC.
Recommended Confguration
The fo""owing !o"ice/ are config*re- 8a/e- on +he I*r +ran/!or+ ne+wor> "a#er config*ra+ion/a+ +he "ower "a#er.
1. The I*r in+erface i/ aai"a8"e. S2 i/ /*!!or+e- for CS /erice/= 2SPA /erice/= an-non)2SPA /erice/= an- 22 oer I*r i/ /*!!or+e-. CC2 oer I*r an- 2SUPA oer I*r
are -i/a8"e-. R*n +he fo""owing comman- +o ena8"e 2S$PA oer I*r an- $SCR%
ADD UNRNC:NRNCID=XXX, IUREXISTIND=TRUE, DPX=XXX, TNLBEARERTYPE=XXX,
SHOTRIG=CS_SHO_SWITCH-1&HSPA_SHO_SWITCH-1&NON_HSPA_SHO_SWITCH-1, HHOTRIG=ON,
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SERVICEIND=SUPPORT_CS_AND_PS, RNCPROTCLVER=XX, SUPPIURCCH=NO, IURHSDPASUPPIND=ON,
IURHSUPASUPPIND=OFF, PSBEPROCTYPE=CORRM_SRNSR_PSBE_DSCR,
IUREISTIN$JTRUE= which in-ica+e/ +ha+ +he I*r in+erface i/ aai"a8"e.
CS@S2@SITC2)1K2SPA@S2@SITC2)1KNN@2SPA@S2@SITC2)1= which in-ica+e/ +ha+S2 i/ /*!!or+e- for CS /erice/= 2SPA /erice/= an- non)2SPA /erice/.
22TRI,JN= which in-ica+e/ +ha+ 22 oer I*r i/ /*!!or+e- +o mee+ +he in+er)fre5*enc# han-oer
re5*iremen+/.
SUPPIURCC2JN= which in-ica+e/ +ha+ CC2 oer I*r i/ no+ /*!!or+e- 8eca*/e ALU -oe/ no+ /*!!or+
+hi/ f*nc+ion.
IUR2SUPASUPPIN$J44= which in-ica+e/ +ha+ 2SUPA oer I*r i/ -i/a8"e- +o mi+iga+e 2SUPA
incom!a+i8i"i+ie/ in ALU.
IUR2S$PASUPPIN$JN= which in-ica+e/ +ha+ 2S$PA oer I*r i/ ena8"e-. The config*ra+ion i/ a
nece//i+# for +riggering UE)no+)ino"e- re"oca+ion)8a/e- $SCR af+er 2S$PA oer I*r i/ ena8"e-.
PS9EPRCTDPEJCRRM@SRNSR@PS9E@$SCR= which in-ica+e/ +ha+ $SCR i/ +riggere- for PS 9E
/erice/. n"# af+er +he config*ra+ion com!"e+e/= $SCR= no+ re"oca+ion= i/ !erforme- on 2S$PA
/erice/ af+er +he UE)no+)ino"e- re"oca+ion +riggering con-i+ion i/ me+.(. CS an- PS rea")+ime /erice/ -o no+ /*!!or+ UE)no+)ino"e- re"oca+ion.
SET USRNSR: S!"#R$%C"D'$("T)*+=NRT
3. To /e+ +he $SCR /wi+ch an- +riggering a"gori+hm/ for PS 9E /erice/= +he fo*r /wi+che/m*/+ 8e a"" +*rne- on. Re"oca+ion or $SCR i/ +riggere- on"# if one i+em mee+/ +he
con-i+ion.
SET UCORRMALGOSWITCH: S!"#!S(./=SRNSR_DSCR_IUR_RESRCE_SWITCH-
1&SRNSR_DSCR_LOC_SEPRAT_SWITCH-1&SRNSR_DSCR_PROPG_DELAY_SWITCH-
1&SRNSR_DSCR_SEPRAT_DUR_SWITCH-1
. The neigh8oring RNC ce"" i/ config*re- no+ +o /*!!or+ +he 4$PC2. +her ce""/ are
config*re- accor-ing +o ac+*a" ca!a8i"i+ie/.
ADD UEXT0GCELL: C+C$*C"$("+!F22=FDPCH_SUPPORT-3
ALU RNC -oe/ no+ /*!!or+ SR9 oer 2S$PAH2SUPA. Therefore= +he neigh8oring RNC ce"" i/
config*re- no+ +o /*!!or+ +he 4$PC2 +o aoi- RL /e+*! fai"*re/ when neigh8oring RNC "in>/ are
a--e-.
Advantage The !o"ic# mi+iga+e/ +he I*r f*nc+ion/ +ha+ are *naai"a8"e for ALU RNC= for e?am!"e=
SR9 oer EH2 oer I*r.
The !o"ic# mi+iga+e/ +he incom!a+i8i"i+ie/ in in+erconnec+ion wi+h ALU RNC= for
e?am!"e= incom!a+i8i"i+ie/ in UE)no+)ino"e- CS re"oca+ion= UE)no+)ino"e- 2SUPAre"oca+ion= an- $SCR.
$SCR !reen+/ I*r re/o*rce/ from 8eing a"wa#/ occ*!ie- 8# in+er)RNC /erice/=
re-*cing +he I*r re/o*rce con/*m!+ion= an- !reen+/ o+her *n!re-ic+a8"e ri/>/= re-*cingI*r in+erconnec+ion incom!a+i8i"i+ie/.
Disadvantage In +he $SCR e?ec*+ion !roce//= +he ra-io "in> i/ -i/connec+e- an- +hen ree/+a8"i/he-=
which in+err*!+/ -a+a +ran/mi//ion of PS */er/ for a8o*+ 10 /econ-/. 2oweer= +he /hor+)
+ime -a+a +ran/mi//ion in+err*!+ion -oe/ affec+ */er e?!erience grea+"#.
In +he ca/e of CC2 oer I*r= on"# +he ce"" *!-a+e)8a/e- $SCR i/ !erform +o /o"e UE
mo8i"i+# managemen+ of CC2 oer I*r. Thi/ f*nc+ion -e!en-/ on +he config*ra+ion of
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ALU RNC. The rea/on i/ +ha+ ALU RNC -oe/ no+ /*!!or+ *!"in>H-own"in> /igna"ing-irec+ +ran/fer in-ica+ion or CC2 oer I*r.
,""' Policy '; H( over %ur )or C*9P* Combined
*ervices
Policies )or H( over %ur
The fo""owing +a8"e -e/cri8e/ +he I*r in+erconnec+ion !o"icie/ for S2 oer I*r an- 22
oer I*r.
*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
AMRHP Triggering 2 oer I*r= no+ re"oca+ion Triggering 2 oer I*r= no+ re"oca+ion
PS R:: Triggering 2 oer I*r= no+ re"oca+ion Triggering 2 oer I*r= no+ re"oca+ion
2S$PA Triggering 2 oer I*r= no+ re"oca+ion Triggering 2 oer I*r= no+ re"oca+ion
2SUPA Triggering 2 oer I*r af+er 2SUPA
/erice/ are reconfig*re- a/ R::
/erice/ in +he *!"in>= no+ re"oca+ion
Triggering 2 oer I*r af+er 2SUPA
/erice/ are reconfig*re- a/ R::
/erice/ in +he *!"in>= no+ re"oca+ion
CS'
U/ing +he /ame !o"icie/ for PS 9E
/erice/ af+er CS /erice/ are
re"ea/e-
U/ing +he /ame !o"icie/ for CS/erice/ af+er PS /erice/ are
re"ea/e-
SR9 oer
2SPA
Triggering 2 oer I*r af+er +he SR9
i/ reconfig*re- on +he $C2= no+
re"oca+ion
Triggering 2 oer I*r af+er +he SR9
i/ reconfig*re- on +he $C2= no+
re"oca+ion
CC2 Triggering ce"" *!-a+e)8a/e- $SCR
+riggere- 8# +he $RNC af+er +he UE i/
re/e"ec+e- +o a ce"" *n-er +he $RNC.% hen ALU RNC ac+/ a/ +he $RNC=
i+ -oe/ no+ /*!!or+ *!"in>H-own"in>
/igna"ing -irec+ +ran/fer in-ica+ion orCC2 oer I*r. Therefore= on"# +he ce""
*!-a+e)8a/e- $SCR i/ !erforme-. Thi/
f*nc+ion -e!en-/ on +he config*ra+ion
of ALU RNC.
Triggering ce"" *!-a+e)8a/e- $SCR
+riggere- 8# +he $RNC af+er +he UE i/
re/e"ec+e- +o a ce"" *n-er +he $RNC.% hen ALU RNC ac+/ a/ +he $RNC=
i+ -oe/ no+ /*!!or+ *!"in>H-own"in>
/igna"ing -irec+ +ran/fer in-ica+ion orCC2 oer I*r. Therefore= on"# +he ce""
*!-a+e)8a/e- $SCR i/ !erforme-. Thi/
f*nc+ion -e!en-/ on +he config*ra+ion
of ALU RNC.
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Recommended Confguration
The fo""owing !o"ice/ are config*re- 8a/e- on +he I*r +ran/!or+ ne+wor> "a#er config*ra+ion/a+ +he "ower "a#er.
1. The I*r in+erface i/ aai"a8"e. S2 i/ /*!!or+e- for CS /erice/= 2SPA /erice/= an-non)2SPA /erice/= an- 22 oer I*r i/ /*!!or+e-. CC2 oer I*r an- 2SUPA oer I*r
are -i/a8"e-. R*n +he fo""owing comman- +o ena8"e 2S$PA oer I*r%
ADD UNRNC:NRNCID=XXX, IUREXISTIND=TRUE, DPX=XXX, TNLBEARERTYPE=XXX,
SHOTRIG=CS_SHO_SWITCH-1&HSPA_SHO_SWITCH-1&NON_HSPA_SHO_SWITCH-1, HHOTRIG=ON,
SERVICEIND=SUPPORT_CS_AND_PS, RNCPROTCLVER=XX, SUPPIURCCH=NO,
IURHSDPASUPPIND=ON, IURHSUPASUPPIND=OFF,
IUREISTIN$JTRUE= which in-ica+e/ +ha+ +he I*r in+erface i/ aai"a8"e.
CS@S2@SITC2)1K2SPA@S2@SITC2)1KNN@2SPA@S2@SITC2)1= which in-ica+e/ +ha+
S2 i/ /*!!or+e- for CS /erice/= 2SPA /erice/= an- non)2SPA /erice/.
22TRI,JN= which in-ica+e/ +ha+ 22 oer I*r i/ /*!!or+e- +o mee+ +he in+er)fre5*enc# han-oerre5*iremen+/.
SUPPIURCC2JN= which in-ica+e/ +ha+ CC2 oer I*r i/ no+ /*!!or+e- 8eca*/e ALU -oe/ no+ /*!!or+
+hi/ f*nc+ion.
IUR2SUPASUPPIN$J44= which in-ica+e/ +ha+ 2SUPA oer I*r i/ -i/a8"e- +o mi+iga+e 2SUPA
incom!a+i8i"i+ie/ in ALU.
IUR2S$PASUPPIN$JN= which in-ica+e/ +ha+ 2S$PA oer I*r i/ ena8"e- +o !erform +he 2S$PA 2
oer I*r.
(. To /e+ +he $SCR /wi+ch an- +riggering a"gori+hm/ for PS 9E /erice/= +he fo*r /wi+che/
m*/+ 8e a"" +*rne- off.
SET UCORRMALGOSWITCH: S!"#!S(./=SRNSR_DSCR_IUR_RESRCE_SWITCH-
3&SRNSR_DSCR_LOC_SEPRAT_SWITCH-3&SRNSR_DSCR_PROPG_DELAY_SWITCH-
3&SRNSR_DSCR_SEPRAT_DUR_SWITCH-3
To im!"emen+ 2 oer I*r 8*+ no re"oca+ion= re"oca+ion an- $SCR are -i/a8"e-.
3. The neigh8oring RNC ce"" i/ config*re- no+ +o /*!!or+ +he 4$PC2. +her ce""/ are
config*re- accor-ing +o ac+*a" ca!a8i"i+ie/.
ADD UEXT0GCELL: C+C$*C"$("+!F22=FDPCH_SUPPORT-3
ALU RNC -oe/ no+ /*!!or+ SR9 oer 2S$PAH2SUPA. Therefore= +he neigh8oring RNC ce"" i/
config*re- no+ +o /*!!or+ +he 4$PC2 +o aoi- RL /e+*! fai"*re/ when neigh8oring RNC "in>/ area--e-.
Advantage The !o"ic# mi+iga+e/ +he I*r f*nc+ion/ +ha+ are *naai"a8"e for ALU RNC= for e?am!"e=
SR9 oer EH2 oer I*r.
The !o"ic# mi+iga+e/ +he incom!a+i8i"i+ie/ in in+erconnec+ion wi+h ALU RNC= for
e?am!"e= incom!a+i8i"i+ie/ in UE)no+)ino"e- CS re"oca+ion= UE)no+)ino"e- 2SUPA
re"oca+ion= an- $SCR.
In 2 oer I*r e?ec*+ion !roce//= -a+a +ran/mi//ion of PS */er/ wi"" no+ 8e in+err*!+e-
+heore+ica""#= which i/ -ifferen+ from $SCR.
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Disadvantage 4re5*en+ 2 oer I*r ma# re/*"+ in I*r re/o*rce con/*m!+ion an- een I*r re/o*rce
conge/+ion= ca*/ing han-oer fai"*re/ or affec+ing */er e?!erience.
The "ie ne+wor> i/ com!"e?. hen 2*awei RNC in+erconnec+/ wi+h ALU RNC= I*r
re/o*rce/ are a"wa#/ occ*!ie- an- $RNC ce""/ are change- con+in*o*/"# if $SCR+riggere- 8# +he SRNC i/ no+ !erforme-. Thi/ ma# re/*"+ in *n!re-ic+a8"eincom!a+i8i"i+ie/ an- +herefore affec+ */er e?!erience oer I*r.
In +he ca/e of CC2 oer I*r= on"# +he ce"" *!-a+e)8a/e- $SCR i/ !erform +o /o"e UE
mo8i"i+# managemen+ of CC2 oer I*r. Thi/ f*nc+ion -e!en-/ on +he config*ra+ion ofALU RNC. The rea/on i/ +ha+ ALU RNC -oe/ no+ /*!!or+ *!"in>H-own"in> /igna"ing
-irec+ +ran/fer in-ica+ion or CC2 oer I*r.
,"$ Huawei2N*N %ur %nterconnection Policies
n "ie ne+wor>/= in+erconnec+ion !o"icie/ are -ifferen+= which "ie/ in neigh8oring ce""config*ra+ion. The !o"icie/ for S2 an- 22 are +he /ame= which are -e/cri8e- in +hefo""owing +wo ne+wor>ing /cenario/%
Policies )or Confguring Neighboring Cells
1. Sing"e)carrier ne+wor> or -*a")carrier ne+wor> wi+h f( fre5*enc# *n8arre-
n +hi/ ne+wor>= if f( fre5*enc# !roi-e/ /eam"e// coerage= ce""/ coere- 8# f(fre5*encie/ of 2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc#
neigh8oring ce""/ an- ce""/ coere- 8# f1 fre5*encie/ are m*+*a""# config*re- a/ in+ra)
fre5*enc# neigh8oring ce""/= a/ /hown in +he fo""owing fig*re%
If f( fre5*enc# -oe/ no+ !roi-e /eam"e// coerage= ce""/ coere- 8# f1 fre5*encie/ of
2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc# neigh8oring ce""/
an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are *ni-irec+iona""# config*re- a/in+er)fre5*enc# neigh8oring ce""/ of ce""/ coere- 8# f( fre5*enc# of 2*awei= a/ /hown
in +he fo""owing fig*re%
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(. $*a")carrier ne+wor> wi+h f( fre5*enc# 8arre-
n +hi/ ne+wor>= when f( fre5*enc# i/ 8arre-= UE/ !erforming PS 9E /erice/ canno+acce// +he ne+wor> af+er $SCR i/ +riggere- in i-"e /+a+e. UE 8ehaior/ are no+
con+ro""a8"e= an- +herefore +he UE/ wi"" 8e -i/connec+e- from +he ne+wor>. Ce""/ coere-
8# f( fre5*encie/ of 2*awei an- ano+her en-or /ho*"- no+ 8e config*re- a/ neigh8oring
ce""/= an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are *ni-irec+iona""#config*re- a/ neigh8oring ce""/ of ce""/ coere- 8# f( fre5*enc# of 2*awei. The -e+ai"e-
!o"icie/ are a/ fo""ow/%
Regar-"e// of whe+her f( fre5*enc# !roi-e/ /eam"e// coerage= ce""/ coere- 8# f1
fre5*encie/ of 2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc#
neigh8oring ce""/ an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are
*ni-irec+iona""# config*re- a/ in+er)fre5*enc# neigh8oring ce""/ of ce""/ coere- 8# f(fre5*enc# of 2*awei= a/ /hown in +he fo""owing fig*re%
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Rules )or *electing %nterconnection Policies
The r*"e/ for /e"ec+ing I*r in+erconnec+ion !o"icie/ are -e/cri8e- a/ fo""ow/%
n "ie ne+wor>/= if 2*awei RNC -oe/ no+ in+erconnec+ +o en-or RNC= +he I*r
in+erconnec+ion !o"icie/ -e/cri8e- in /ec+ion .(.1Po"ic# 1% 2 oer I*r for CS Serice/an- Proce// !+imi;a+ion)8a/e- $SCR for PS 9E Serice/ are recommen-e- +o aoi-
incom!a+i8i"i+ie/.
If +he fo""owing I*r in+erconnec+ion !o"icie/ inc"*-e +he in+erconnec+ion !o"icie/ */e- in
+he origina" ne+wor>= +he !o"icie/ */e- in +he origina" ne+wor> can 8e /e"ec+e-.
If c*/+omer/ -o no+ recommen- +he I*r in+erconnec+ion !o"icie/ -e/cri8e- in /ec+ion
.(.1Po"ic# 1% 2 oer I*r for CS Serice/ an- Proce// !+imi;a+ion)8a/e- $SCR for
PS 9E Serice/= +he o+her !o"icie/ -e/cri8e- in +he fo""owing /ec+ion/ can 8e /e"ec+e-.
Incom!a+i8i"i+ie/ m*/+ 8e comm*nica+e- wi+h c*/+omer/ /o +ha+ I*r in+erconnec+ion
!o"icie/ are acce!+e- 8# 8o+h !ar+ie/.
,"$" Policy ; H( over %ur )or C* *ervices andProcess (ptimi6ation2based D*CR )or P* 85 *ervices
Policies )or H( over %ur
The fo""owing +a8"e -e/cri8e/ +he 2*awei)NSN I*r in+erconnec+ion !o"icie/ for S2 oer I*r
an- 22 oer I*r.
*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
AMRHP Triggering 2 oer I*r= no+ re"oca+ion Triggering 2 oer I*r= no+ re"oca+ion
PS R:: Triggering 2 oer I*r= no+ re"oca+ion Triggering 2 oer I*r= no+ re"oca+ion
2S$PA Triggering !roce// o!+imi;a+ion)8a/e-
$SCR af+er 2 oer I*r i/ !erforme-
Triggering !roce// o!+imi;a+ion)8a/e-
$SCR af+er +he 22 oer I*r i/!erforme-= wi+ho*+ +he 22
!roce-*re
2SUPA Triggering !roce// o!+imi;a+ion)8a/e-
$SCR af+er 2SUPA /erice/ are
reconfig*re- a/ R:: /erice/ in +he*!"in> an- 2 oer I*r i/ !erforme-
on +he reconfig*re- /erice/
Triggering !roce// o!+imi;a+ion)8a/e-
$SCR af+er +he 22 oer I*r i/
!erforme-= wi+ho*+ +he 22!roce-*re
CS
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Advantage The !o"ic# mi+iga+e/ +he I*r f*nc+ion/ +ha+ are *naai"a8"e for NSN RNC= for e?am!"e=
SR9 oer EH2 oer I*r.
The !o"ic# mi+iga+e/ +he incom!a+i8i"i+ie/ in in+erconnec+ion wi+h NSN RNC= for
e?am!"e= incom!a+i8i"i+ie/ in 2SPA 2 oer I*r= UE)no+)ino"e- re"oca+ion= an-$SCR.
$SCR !reen+/ I*r re/o*rce/ from 8eing a"wa#/ occ*!ie- 8# in+er)RNC /erice/=
re-*cing +he I*r re/o*rce con/*m!+ion= an- !reen+/ o+her *n!re-ic+a8"e ri/>/= re-*cing
I*r in+erconnec+ion incom!a+i8i"i+ie/.
Disadvantage
In +he $SCR e?ec*+ion !roce//= +he ra-io "in> i/ -i/connec+e- an- +hen ree/+a8"i/he-= which
in+err*!+/ -a+a +ran/mi//ion of PS */er/ for a8o*+ 10 /econ-/. 2oweer= +he /hor+)+ime -a+a+ran/mi//ion in+err*!+ion -oe/ affec+ */er e?!erience grea+"#.
,"$"$ Policy $; Relocation )or C*9P* Combined*ervices
Policies )or H( over %ur
The fo""owing +a8"e -e/cri8e/ +he 2*awei)NSN I*r in+erconnec+ion !o"icie/ for S2 oer I*r
an- 22 oer I*r.
*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
AMRHP Triggering re"oca+ion af+er 2 oer
I*r i/ !erforme-
Triggering re"oca+ion af+er 2 oer I*r
i/ !erforme-
PS R:: Triggering re"oca+ion af+er 2 oer
I*r i/ !erforme-
Triggering re"oca+ion af+er 2 oer I*r
i/ !erforme-
2S$PA Triggering re"oca+ion af+er +he !eerR:: "in> i/ a--e- an- "oca" RNC
"in> i/ -e"e+e-
Triggering re"oca+ion af+er 2S$PA/erice/ are reconfig*re- a/ R::
/erice/ in +he -own"in>= an- 2 oer
I*r i/ !erforme- on +he reconfig*re-
/erice/
2SUPA Triggering re"oca+ion af+er 2SUPA/erice/ are reconfig*re- a/ R::
/erice/ in +he *!"in>= +he !eer R::
"in> i/ a--e-= an- "oca" RNC "in> i/
-e"e+e-
Triggering re"oca+ion af+er 2SUPA/erice/ are reconfig*re- a/ R::
/erice/ in +he *!"in>= an- 2 oer I*r
i/ !erforme- on +he reconfig*re-
/erice/
CS
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*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
CC2 Triggering re"oca+ion wi+h ce""
*!-a+e af+er +he UE i/ re/e"ec+e- +o ace"" *n-er +he $RNC
Triggering re"oca+ion wi+h ce"" *!-a+e
af+er +he UE i/ re/e"ec+e- +o a ce"" *n-er+he $RNC
Recommended Confguration
The fo""owing !o"ice/ are config*re- 8a/e- on +he I*r +ran/!or+ ne+wor> "a#er config*ra+ion/a+ +he "ower "a#er.
1. The I*r in+erface i/ aai"a8"e. S2 i/ /*!!or+e- for CS /erice/ an- non)2SPA /erice/=an- 22 oer I*r i/ /*!!or+e-. CC2 oer I*r= 2S$PA oer I*r= an- 2SUPA oer I*r are
-i/a8"e-.ADD UNRNC:NRNCID=XXX, IUREXISTIND=TRUE, DPX=XXX, TNLBEARERTYPE=XXX,
SHOTRIG=CS_SHO_SWITCH-1& NON_HSPA_SHO_SWITCH-1, HHOTRIG=ON,
SERVICEIND=SUPPORT_CS_AND_PS, RNCPROTCLVER=XX, SUPPIURCCH=NO, IURHSDPASUPPIND=OFF,
IURHSUPASUPPIND=OFF, PSBEPROCTYPE=CORRM_SRNSR_PSBE_RELOC,
IUREISTIN$JTRUE= which in-ica+e/ +ha+ +he I*r in+erface i/ aai"a8"e.
CS@S2@SITC2)1K NN@2SPA@S2@SITC2)1= which in-ica+e/ +ha+ S2 i/ /*!!or+e- for CS
an- non)2SPA /erice/.
22TRI,JN= which in-ica+e/ +ha+ 22 oer I*r i/ /*!!or+e- +o mee+ +he in+er)fre5*enc# han-oer
re5*iremen+/.
SUPPIURCC2JN= which in-ica+e/ +ha+ CC2 oer I*r i/ no+ /*!!or+e- 8eca*/e NSN -oe/ no+ /*!!or+
+hi/ f*nc+ion.
IUR2S$PASUPPIN$J 44= IUR2SUPASUPPIN$J44= which in-ica+e/ +ha+ 2SPA oer I*r i/
-i/a8"e- +o mi+iga+e 2SPA incom!a+i8i"i+ie/ in NSN.
PS9EPRCTDPEJCRRM@SRNSR@PS9E@ RELC= which in-ica+e/ re"oca+ion i/ +riggere- for PS
9E /erice/.
(. A"" /erice/ /*!!or+ UE)no+)ino"e- re"oca+ion.
SET USRNSR: S!"#R$%C"D'$("T)*+=ALL
3. To /e+ +he $SCR /wi+ch an- +riggering a"gori+hm/ for PS 9E /erice/= +he fo*r /wi+che/
m*/+ 8e a"" +*rne- on. Re"oca+ion or $SCR i/ +riggere- on"# if one i+em mee+/ +he
con-i+ion.
SET UCORRMALGOSWITCH: S!"#!S(./=SRNSR_DSCR_IUR_RESRCE_SWITCH-
1&SRNSR_DSCR_LOC_SEPRAT_SWITCH-1&SRNSR_DSCR_PROPG_DELAY_SWITCH-
1&SRNSR_DSCR_SEPRAT_DUR_SWITCH-1
. The neigh8oring RNC ce"" i/ config*re- a/ an R:: ce"".
ADD UEXT0GCELL:
To im!"emen+ /erice re"oca+ion= +he ce"" *n-er +he NSN RNC m*/+ 8e config*re- a/ an R:: ce"".
+herwi/e= !roce// o!+imi;a+ion)8a/e- $SCR wi"" 8e +riggere- -*ring 2SPA 2 oer I*r.
Advantage The !o"ic# mi+iga+e/ +he I*r f*nc+ion/ +ha+ are *naai"a8"e for NSN RNC= for e?am!"e=
SR9 oer EH2 oer I*r.
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The !o"ic# mi+iga+e/ +he incom!a+i8i"i+ie/ in in+erconnec+ion wi+h NSN RNC= for
e?am!"e= incom!a+i8i"i+ie/ in 2SPA 2 oer I*r= UE)no+)ino"e- re"oca+ion= an-
$SCR.
DisadvantageTo mi+iga+e in+erconnec+ion incom!a+i8i"i+ie/= 2SPA /erice/ m*/+ 8e reconfig*re- a/ R::
/erice/= which ma# affec+ */er e?!erience for a "ong +ime.
,"' Huawei25ricsson %ur %nterconnectionPolicies
n "ie ne+wor>/= in+erconnec+ion !o"icie/ are -ifferen+= which "ie/ in neigh8oring ce""
config*ra+ion. The !o"icie/ for S2 an- 22 are +he /ame= which are -e/cri8e- in +he
fo""owing +wo ne+wor>ing /cenario/%
Policies )or Confguring Neighboring Cells
1. Sing"e)carrier ne+wor> or -*a")carrier ne+wor> wi+h f( fre5*enc# *n8arre-
n +hi/ ne+wor>= if f( fre5*enc# !roi-e/ /eam"e// coerage= ce""/ coere- 8# f(
fre5*encie/ of 2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc#
neigh8oring ce""/ an- ce""/ coere- 8# f1 fre5*encie/ are m*+*a""# config*re- a/ in+ra)
fre5*enc# neigh8oring ce""/= a/ /hown in +he fo""owing fig*re%
If f( fre5*enc# -oe/ no+ !roi-e /eam"e// coerage= ce""/ coere- 8# f1 fre5*encie/ of
2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc# neigh8oring ce""/
an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are *ni-irec+iona""# config*re- a/in+er)fre5*enc# neigh8oring ce""/ of ce""/ coere- 8# f( fre5*enc# of 2*awei= a/ /hown
in +he fo""owing fig*re%
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(. $*a")carrier ne+wor> wi+h f( fre5*enc# 8arre-
n +hi/ ne+wor>= when f( fre5*enc# i/ 8arre-= UE/ !erforming PS 9E /erice/ canno+acce// +he ne+wor> af+er $SCR i/ +riggere- in i-"e /+a+e. UE 8ehaior/ are no+
con+ro""a8"e= an- +herefore +he UE/ wi"" 8e -i/connec+e- from +he ne+wor>. Ce""/ coere-
8# f( fre5*encie/ of 2*awei an- ano+her en-or /ho*"- no+ 8e config*re- a/ neigh8oring
ce""/= an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are *ni-irec+iona""#config*re- a/ neigh8oring ce""/ of ce""/ coere- 8# f( fre5*enc# of 2*awei. The -e+ai"e-
!o"icie/ are a/ fo""ow/%
Regar-"e// of whe+her f( fre5*enc# !roi-e/ /eam"e// coerage= ce""/ coere- 8# f1
fre5*encie/ of 2*awei an- ano+her en-or are m*+*a""# config*re- a/ in+ra)fre5*enc#
neigh8oring ce""/ an- ce""/ coere- 8# f1 fre5*enc# of ano+her en-or are
*ni-irec+iona""# config*re- a/ in+er)fre5*enc# neigh8oring ce""/ of ce""/ coere- 8# f(fre5*enc# of 2*awei= a/ /hown in +he fo""owing fig*re%
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Rules )or *electing %nterconnection Policies
The r*"e/ for /e"ec+ing I*r in+erconnec+ion !o"icie/ are -e/cri8e- a/ fo""ow/%
n "ie ne+wor>/= if 2*awei RNC -oe/ no+ in+erconnec+ +o en-or RNC= +he I*r
in+erconnec+ion !o"icie/ -e/cri8e- in /ec+ion .3.1Po"ic# 1% 2 oer I*r for CS Serice/an- Proce// !+imi;a+ion)8a/e- $SCR for PS 9E Serice/ are recommen-e- +o aoi-
incom!a+i8i"i+ie/.
If +he fo""owing I*r in+erconnec+ion !o"icie/ inc"*-e +he in+erconnec+ion !o"icie/ */e- in
+he origina" ne+wor>= +he !o"icie/ */e- in +he origina" ne+wor> can 8e /e"ec+e-.
If c*/+omer/ -o no+ recommen- +he I*r in+erconnec+ion !o"icie/ -e/cri8e- in /ec+ion
.3.1Po"ic# 1% 2 oer I*r for CS Serice/ an- Proce// !+imi;a+ion)8a/e- $SCR for
PS 9E Serice/= +he o+her !o"icie/ -e/cri8e- in +he fo""owing /ec+ion/ can 8e /e"ec+e-.
Incom!a+i8i"i+ie/ m*/+ 8e comm*nica+e- wi+h c*/+omer/ /o +ha+ I*r in+erconnec+ion
!o"icie/ are acce!+e- 8# 8o+h !ar+ie/.
,"'" Policy ; H( over %ur )or C* *ervices andProcess (ptimi6ation2based D*CR )or P* 85 *ervices
Policies )or H( over %ur
The fo""owing +a8"e -e/cri8e/ +he 2*awei)Eric//on I*r in+erconnec+ion !o"icie/ for S2 oer
I*r an- 22 oer I*r.
*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
AMRHP Triggering 2 oer I*r= no+re"oca+ion
Triggering 2 oer I*r= no+re"oca+ion
PS R:: Triggering $SCR af+er 2 oerI*r i/ !erforme-
Triggering $SCR af+er 2 oerI*r i/ !erforme-
2S$PA Triggering !roce// o!+imi;a+ion)
8a/e- $SCR af+er 2 oer I*r i/
!erforme-
Triggering !roce// o!+imi;a+ion)
8a/e- $SCR af+er 2 oer I*r i/
!erforme-
Triggering !roce// o!+imi;a+ion)
8a/e- $SCR af+er +he 22 oerI*r i/ !erforme-= wi+ho*+ +he 22
!roce-*re
2SUPA Triggering !roce// o!+imi;a+ion)
8a/e- $SCR af+er 2SUPA /erice/
are reconfig*re- a/ R:: /erice/ in+he *!"in> an- 2 oer I*r i/
!erforme- on +he reconfig*re-
/erice/
Triggering !roce// o!+imi;a+ion)
8a/e- $SCR af+er 2SUPA /erice/
are reconfig*re- a/ R:: /erice/ in+he *!"in> an- 2 oer I*r i/
!erforme- on +he reconfig*re-
/erice/
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*ervice!ype
*ervice Policies over %ur
*H( over %ur HH( over %ur
CS'
U/ing +he /ame !o"icie/ for PS 9E
/erice/ af+er CS /erice/ are
re"ea/e-
U/ing +he /ame !o"icie/ for CS
/erice/ af+er PS /erice/ arere"ea/e-
SR9oer2SPA Triggering 2 oer I*r af+er +he
SR9 i/ reconfig*re- on +he $C2
Triggering 2 oer I*r af+er +he
SR9 i/ reconfig*re- on +he $C2
CC2 Triggering $SCR af+er +he UE i/
re/e"ec+e- +o a ce"" *n-er +he
$RNC
Triggering $SCR af+er +he UE i/
re/e"ec+e- +o a ce"" *n-er +he
$RNC
Recommended Confguration
The fo""owing !o"ice/ are config*re- 8a/e- on +he I*r +ran/!or+ ne+wor> "a#er config*ra+ion/a+ +he "ower "a#er.
1. The I*r in+erface i/ aai"a8"e. S2 i/ /*!!or+e- for CS /erice/ an- non)2SPA /erice/=
an- 22 oer I*r i/ /*!!or+e-. CC2 oer I*r= 2S$PA oer I*r= an- 2SUPA oer I*r are-i/a8"e-. R*n +he fo""owing comman- +o ena8"e $SCR%
ADD UNRNC:NRNCID=XXX, IUREXISTIND=TRUE, DPX=XXX, TNLBEARERTYPE=XXX,
SHOTRIG=CS_SHO_SWITCH-1& NON_HSPA_SHO_SWITCH-1, HHOTRIG=ON,
SERVICEIND=SUPPORT_CS_AND_PS, RNCPROTCLVER=XX, SUPPIURCCH=NO, IURHSDPASUPPIND=OFF,
IURHSUPASUPPIND=OFF, PSBEPROCTYPE=CORRM_SRNSR_PSBE_DSCR,
IUREISTIN$JTRUE= which in-ica+e/ +ha+ +he I*r in+erface i/ aai"a8"e.
S2TRI,JCS@S2@SITC2)1K NN@2SPA@S2@SITC2)1= which in-ica+e/ +ha+ S2 i/
/*!!or+e- for CS /erice/ an- non)2SPA /erice/ 8eca*/e 2S$PA oer I*r an- 2SUPA oer I*r hae
8een -i/a8"e-.
22TRI,JN= which in-ica+e/ +ha+ 22 oer I*r i/ /*!!or+e- +o mee+ +he in+er)fre5*enc# han-oerre5*iremen+/.
SUPPIURCC2JN= which in-ica+e/ +ha+ CC2 oer I*r i/ no+ /*!!or+e- 8eca*/e Eric//on RNC -oe/
no+ /*!!or+ +hi/ f*nc+ion.
IUR2S$PASUPPIN$J44= IUR2SUPASUPPIN$J44= which in-ica+e/ +ha+ 2S$PA oer I*r an-
2SUPA oer I*r are -i/a8"e-. To +rigger !roce// o!+imi;a+ion)8a/e- $SCR= +he config*ra+ion i/
re5*ire-. The config*ra+ion can /o"e 2SUPA incom!a+i8i"i+ie/ in Eric//on RNC.
(. CS an- PS rea")+ime /erice/ -o no+ /*!!or+ UE)no+)ino"e- re"oca+ion.
SET USRNSR: S!"#R$%C"D'$("T)*+=NRT
3. To /e+ +he $SCR /wi+ch an- +riggering a"gori+hm/ for PS 9E /erice/= +he fo*r /wi+che/
m*/+ 8e a"" +*rne- on. Re"oca+ion or $SCR i/ +riggere- on"# if one i+em mee+/ +he
con-i+ion.
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I*r In+erface In+erconnec+ion ,*i-e INTERNAL
SET UCORRMALGOSWITCH: S!"#!S(./=SRNSR_DSCR_IUR_RESRCE_SWITCH-
1&SRNSR_DSCR_LOC_SEPRAT_SWITCH-1&SRNSR_DSCR_PROPG_DELAY_SWITCH-
1&SRNSR_DSCR_SEPRAT_DUR_SWITCH-1
. The neigh8oring RNC ce"" i/ config*re- 8a/e- on ac+*a" ca!a8i"i+ie/. In /ome /!ecia"
/cenario/= +he neigh8oring RNC ce"" m*/+ 8e a+ "ea/+ config*re- a/ an 2S$PA ce"".ADD UEXT0GCELL: C+C$*C"$("+!F22=HSDSCH_SUPPORT-1&EDCH_SUPPORT-1
The neigh8oring RNC ce"" i/ config*re- a/ an 2S$PA ce""= 8eca*/e +he config*ra+ion i/ a nece//i+# for
+he RNC +o -e+ermine !roce// o!+imi;a+ion)8a/e- $SCR.
Advantage The !o"ic# mi+iga+e/ +he I*r f*nc+ion/ +ha+ are *naai"a8"e for Eric//on RNC= for
e?am!"e= UE)no+)ino"e- PS re"oca+ion an- UE)ino"e- re"oca+ion.
The !o"ic# mi+iga+e/ +he incom!a+i8i"i+ie/ in in+erconnec+ion wi+h Eric//on RNC= for
e?am!"e= incom!a+i8i"i+ie/ in 2SUPA 2 oer I*r an- $SCR.
$SCR !reen+/ I*r re/o*rce/ from 8eing a"wa#/ occ*!ie- 8# in+er)RNC /erice/=
re-*cing +he I*r re/o*rce con/*m!+ion= an- !reen+/ o+her *n!re-ic+a8"e ri/>/= re-*cing
I*r in+erconnec+ion incom!a+i8i"i+ie/.
Proce// o!+imi;a+ion)8a/e- $SCR /im!"ifie/ +he in+er)RNC !roce-*re= aoi-ing I*r
re/o*rce conge/+ion an- !reen+ing fre5*en+ 2 oer I*r from occ*!#ing I*r re/o*rce/
re!ea+e-"#= an- re-*cing in+erconnec+ion incom!a+i8"e/.
Disadvantage
In +he $SCR e?ec*+ion !roce//= +he ra-io "in> i/ -i/connec+e- an- +hen ree/+a8"i/he-= which
in+err*!+/ -a+a +ran/mi//ion of PS */er/ for a8o*+ 10 /econ-/. 2oweer= +he /hor+)+ime -a+a
+ran/mi//ion in+err*