Doc. Code
SRAN8.0
Multi-RAT and Multiband Traffic Steering Solution Guide
Issue
Draft B
Date
2013-09-18
Huawei Technologie !o." #t$.
Copyright © Huawei Technologies Co., Ltd. 2013. ll rights reser!ed. No %art of thi $ocu&ent &a' (e re%ro$uce$ or tran&itte$ in an' for& or (' an' &ean without %rior written conent of Huawei Technologie Technologie !o." #t$.
Trade"ar#s and $er"issions an$ other Huawei tra$e&ar) are tra$e&ar) of Huawei Technologie Technologie !o." #t$. All other tra$e&ar) an$ tra$e t ra$e na&e &entione$ in thi $ocu&ent are the %ro%ert' of their re%ecti*e hol$er.
%otice The %urchae$ %ro$uct" er*ice an$ feature are ti%ulate$ (' the co&&ercial contract &a$e (etween Huawei an$ the cuto&er. All or %artial %ro$uct" er*ice an$ feature $ecri(e$ in thi $ocu&ent &a' not (e within the %urchae$ co%e or the uage co%e. +nle otherwie agree$ (' the contract" all tate&ent" infor&ation" an$ reco&&en$ation in thi $ocu&ent are %ro*i$e$ ,AS S, without warrantie" guarantee or re%reentation of an' )in$" either e%re or i&%lie$. The infor&ation in thi $ocu&ent i u(/ect to change without notice. *er' effort ha (een &a$e in the %re%aration of thi $ocu&ent to enure accurac' of the content" (ut all tate&ent" infor&ation" an$ reco&&en$ation in thi $ocu&ent $o not contitute a warrant' of an' )in$" e%re or i&%lie$.
Huawei Technologie !o." #t$. A$$re
Huawei n$utrial Bae Bantian" #onggang Shenhen 18129 4eo%le5 Re%u(lic of !hina
6i% co$e
18129
7e(ite
htt%www.huawei.co&
&ail
u%%orthuawei.co&
Tel
:8;-<008302118
ue Draft B =2013-09-18>
Huawei 4ro%rietar' an$ !onfi$ential !o%'right ? Huawei Technologie !o." #t$
1
Copyright © Huawei Technologies Co., Ltd. 2013. ll rights reser!ed. No %art of thi $ocu&ent &a' (e re%ro$uce$ or tran&itte$ in an' for& or (' an' &ean without %rior written conent of Huawei Technologie Technologie !o." #t$.
Trade"ar#s and $er"issions an$ other Huawei tra$e&ar) are tra$e&ar) of Huawei Technologie Technologie !o." #t$. All other tra$e&ar) an$ tra$e t ra$e na&e &entione$ in thi $ocu&ent are the %ro%ert' of their re%ecti*e hol$er.
%otice The %urchae$ %ro$uct" er*ice an$ feature are ti%ulate$ (' the co&&ercial contract &a$e (etween Huawei an$ the cuto&er. All or %artial %ro$uct" er*ice an$ feature $ecri(e$ in thi $ocu&ent &a' not (e within the %urchae$ co%e or the uage co%e. +nle otherwie agree$ (' the contract" all tate&ent" infor&ation" an$ reco&&en$ation in thi $ocu&ent are %ro*i$e$ ,AS S, without warrantie" guarantee or re%reentation of an' )in$" either e%re or i&%lie$. The infor&ation in thi $ocu&ent i u(/ect to change without notice. *er' effort ha (een &a$e in the %re%aration of thi $ocu&ent to enure accurac' of the content" (ut all tate&ent" infor&ation" an$ reco&&en$ation in thi $ocu&ent $o not contitute a warrant' of an' )in$" e%re or i&%lie$.
Huawei Technologie !o." #t$. A$$re
Huawei n$utrial Bae Bantian" #onggang Shenhen 18129 4eo%le5 Re%u(lic of !hina
6i% co$e
18129
7e(ite
htt%www.huawei.co&
&ail
u%%orthuawei.co&
Tel
:8;-<008302118
ue Draft B =2013-09-18>
Huawei 4ro%rietar' an$ !onfi$ential !o%'right ? Huawei Technologie !o." #t$
1
SRAN8.0 @ulti-RAT an$ @ulti(an$ Traffic Steering Solution ui$e
A(out Thi Docu&ent
&out This Docu"ent '!er!iew Thi $ocu&ent $ecri(e Huawei5 &ulti-RAT an$ &ulti(an$ traffic teering olution. Thi olution conit of four u(-olution an$ each u(-olution ue a co&(ination of feature. Thi $ocu&ent alo ait cuto&er to elect uita(le feature or feature co&(ination for $e%lo'ing networ) eui%&ent in *ariou cenario. Thi $ocu&ent $oe not $ecri(e the technical %rinci%le" $e%lo'&ent" acti*ation" an$ &aintenance of the feature. Cor uch infor&ation" ee the corre%on$ing feature %ara&eter $ecri%tion.
Intended udience udience Thi $ocu&ent i inten$e$ for %eronnel who
Nee$ to un$ertan$ un$ertan$ &ulti-RAT &ulti-RAT an$ &ulti(an$ traffic traffic teering
@aintain Huawei %ro$uct
Are fa&iliar with S@+@TS#T (aic
(y"&ol Con!entions The '&(ol that &a' (e foun$ in thi $ocu&ent are $efine$ (elow. S'&(ol
Decri%tion
Alert 'ou to a %otentiall' haar$ou ituation that coul$" if not a*oi$e$" reult in eui%&ent $a&age" $ata lo" %erfor&ance $eterioration" or unantici%ate$ unantici%ate$ reult. 4ro*i$e a$$itional infor&ation to e&%haie or u%%le&ent i&%ortant %oint in the &ain tet.
Docu"ent )ersion The $ocu&ent *erion are a follow
Draft B =2013-09-18>
SRAN8.0 @ulti-RAT an$ @ulti(an$ Traffic Steering Solution ui$e
A(out Thi Docu&ent
Draft A =2013-0<-30>
Dra*t +20130-30 Thi i for office a%%lication =CA> %ur%oe.
Dra*t / +201301 +201301 Thi i for CA %ur%oe. !o&%are$ with Draft A =2013-0<-30>" Draft B =2013-09-18> inclu$e the following change. Change Description
Change (ection
A$$e$ the %rinci%le for configuring neigh(oring +@TS freuencie for an #T cell
Cor $etail" ee ,4rinci%le for configuring neigh(oring +@TS freuencie for an #T cell, in ection 2.1.<, 2.1.<,A%%lication., A%%lication., Cor $etail" ee ,4rinci%le for configuring neigh(oring +@TS freuencie for an #T cell, in ection 2.2.<, 2.2.<,A%%lication., A%%lication., Cor $etail" ee ,4rinci%le for configuring neigh(oring +@TS freuencie for an #T cell, in ection 2.3.<, 2.3.<,A%%lication., A%%lication., Cor $etail" ee ,4rinci%le for configuring neigh(oring +@TS freuencie for an #T cell, in ection 2.<.<, 2.<.<,A%%lication., A%%lication.,
A$$e$ the %rinci%le for configuring inter-freuenc' inter-freuenc' neigh(oring cell on a +@TS networ)
Cor $etail" ee ,4rinci%le for configuring inter-freuenc' neigh(oring cell on a +@TS networ), in ection 2.1.<, 2.1.<,A%%lication., A%%lication., Cor $etail" ee ,4rinci%le for configuring inter-freuenc' neigh(oring cell on a +@TS networ), in ection 2.2.<, 2.2.<,A%%lication., A%%lication.,
SRAN8.0 @ulti-RAT an$ @ulti(an$ Traffic Steering Solution ui$e
!ontent
Contents &out This Docu"ent.............................................................................. ii 1 '!er!iew......................................................................................... 1 1.1 A%%lication Scenario.......................................................................................................................................... 1 1.2 *erall Solution................................................................................................................................................. 2
2 (olution uidelines..............................................................................4 2.1 $le-+ !a&%ing............................................................................................................................................... < 2.1.1 Scenario....................................................................................................................................................< 2.1.2 4ur%oe..................................................................................................................................................... 2.1.3 Decri%tion................................................................................................................................................ 2.1.< A%%lication................................................................................................................................................9 2.2 Ser*ice !ontinuit'...........................................................................................................................................13 2.2.1 Scenario..................................................................................................................................................13 2.2.2 4ur%oe...................................................................................................................................................13 2.2.3 Decri%tion..............................................................................................................................................1< 2.2.< A%%lication..............................................................................................................................................18 2.3 #oa$ Balancing................................................................................................................................................21 2.3.1 Scenario..................................................................................................................................................21 2.3.2 4ur%oe...................................................................................................................................................22 2.3.3 Decri%tion..............................................................................................................................................22 2.3.< A%%lication..............................................................................................................................................29 2.< Traffic Steering....................................................................................................................................... ......... 30 2.<.1 Scenario..................................................................................................................................................30 2.<.2 4ur%oe...................................................................................................................................................30 2.<.3 Decri%tion..............................................................................................................................................31 2.<.< A%%lication..............................................................................................................................................3<
A crony"s and &&re!iations .................................................................36
SRAN8.0 @ulti-RAT an$ @ulti(an$ Traffic Steering Solution ui$e
2 Solution ui$eline
1
'!er!iew
1.1 pplication (cenario enerall'" S@" +@TS" an$ #T networ) o%erate in the following (an$
S@ networ) 900 @H1800 @H or 80 @H1900 @H
+@TS networ) 900 @H2100 @H or 80 @H1900 @H
#T networ) 2;00 @H800 @H
S@ an$ +@TS networ) are relati*el' &ature. 7ith the e*olution of ra$io networ)" S@ freuencie are gra$uall' refar&e$ to the #T networ)" an$ therefore the #T networ) can o%erate at 1800 @H.
n thi $ocu&ent
#T refer to #T CDD. The olution gui$eline for the S@ 900 @H1800 @H networ) alo a%%l' to the S@ 80 @H1900 @H networ). n a$$ition" the olution gui$eline for the +@TS 900 @H2100 @H networ) alo a%%l' to the +@TS 80 @H1900 @H networ).
7ith long-ter& networ) o%ti&iation an$ ca%acit' e%anion" networ) ha*e the following characteritic
S@ networ) n &ot cae" contiguou co*erage i achie*e$ on the S@ networ). Howe*er" with the i&%le&entation of + or # refar&ing" S@ networ) ca%acit' ha gra$uall' $ecreae$" although contiguou co*erage on the S@ networ) i not affecte$.
+@TS networ) +uall'" at leat one carrier achie*e contiguou co*erage on the +@TS 2100 @H networ). n hot %ot" howe*er" 2100 @H carrier without contiguou co*erage are a$$e$ a reuire$ to e%an$ networ) ca%acit'. 7hen +@TS 900 @H carrier are &ainl' refar&e$ fro& the S@ 900 @H networ)" +@TS an$ S@ cell are co-ite$ an$ contiguou co*erage i achie*e$ in &ot cae.
#T networ) n general" the entire networ) cannot achie*e contiguou co*erage $uring the earl' tage of #T networ) $e%lo'&ent. Howe*er" contiguou networ)-wi$e co*erage can (e
SRAN8.0 @ulti-RAT an$ @ulti(an$ Traffic Steering Solution ui$e
2 Solution ui$eline
achie*e$ with the gra$ual o%ti&iation of the #T networ). Curther&ore" #T &ulticarrier networ)ing a%%ear. Cigure 1.1.1..1.1.1 how an ea&%le cenario where S@" +@TS" an$ #T networ) are $e%lo'e$. 4igure 1.1.1.I.1.1.1 a&%le cenario where S@" +@TS" an$ #T networ) are $e%lo'e$ #2;00
#2;00 #1800
#1800 #800
#800
#800
+2100 Cn
+2100 Cn
+2100 Cn
+2100 C1 +900
9001800
+2100 C1 +900
9001800
+2100 C1 +900
9001800
The &ulti-RAT an$ &ulti(an$ traffic teering olution i %ri&aril' ue$ to a$$re the following %ro(le&
How to a$/ut the ca&%ing %olicie of i$le + o the' o(tain (etter er*ice e%erience on a &ulti-RAT an$ &ulti(an$ networ)
How to enure er*ice continuit' when + o%erating in freuencie without contiguou co*erage initiate er*ice
How to ue inter-freuenc' or inter-RAT loa$ (alancing to increae the acce ucce rate in hot %ot when cell loa$ i hea*'
How to achie*e traffic teering (etween $ifferent freuencie or RAT
1.2 '!erall (olution The &ulti-RAT an$ &ulti(an$ traffic teering olution elect the o%ti&al networ) (earer for +" there(' i&%ro*ing networ) %erfor&ance an$ uer e%erience. Thi olution conit of the following u(-olution
$le-+ ca&%ing
Ser*ice continuit'
#oa$ (alancing
Traffic teering
Cigure 1.2.1..1.1.1 how the &ulti-RAT an$ &ulti(an$ traffic teering olution.
SRAN8.0 @ulti-RAT an$ @ulti(an$ Traffic Steering Solution ui$e
2 Solution ui$eline
4igure 1.2.1.I.1.1.1 @ulti-RAT an$ &ulti(an$ traffic teering olution Service (ea"less "igrationcontinuity o* C( and $( ser!ices &etween di**erent networ#s 7ea) co*erage on the #T+@TSS@ networ)
#oa$ (alancing
Load &alancing Load &alancing *or greater networ# capacity
Hea*' loa$ in a S@+@TS#T cell
Idle-UE camping
'pti"al 67 ca"ping:sea"less reselection &etween di**erent "odes or *re;uency &ands
Ser*ice continuit'
ntra- an$ inter-RAT ca&%ing
$le-+ ca&%ing
5ide pipe
Tra**ic steering 67s directed to suita&le 8Ts or &ands, i"pro!ing user e9perience and networ# capacity Traffic teering (etween S@ an$ +@TS networ) !SCB fro& the #T to +@TS networ) Traffic teering
Traffic steering within the UMTS network
2
(olution uidelines
2.1 Idle67 Ca"ping 2.1.1 (cenario 7ith the contant o%ti&iation of the +@TS networ) an$ the %o%ulariation of the #T networ)" ra$io networ) ha*e (eco&e increaingl' co&%le. Nowa$a'" there are a large nu&(er of networ) o%erating in &ulti%le (an$ an$ er*ing $ifferent RAT. n a$$ition" the %enetration rate of &ulti&o$e + i increaing" wherea that of ingle-&o$e + i tarting to gra$uall' $ecreae. Therefore" the nee$ to increae networ) utiliation of a &ore recent RAT in uch co&%le networ)ing i (eco&ing urgent. $le-+ ca&%ing i $eigne$ to a$$re thi %ro(le&. Thi u(-olution ena(le + in i$le &o$e to acce uita(le networ) for (etter er*ice e%erience. Cigure 2.1.1..1.1.1 how an ea&%le cenario where i$le-+ ca&%ing can (e ue$. 4igure 2.1.1.I.1.1.1 a&%le cenario where i$le-+ ca&%ing can (e ue$ Which RAT or band should I select with so many choices? 7hich networ) houl$ acce at the e$ge of cell co*erage #2;00
#2;00
#1800
#1800
+2100
+2100
+900
9001800
+2100
+900
9001800
2.1.2 $urpose $le-+ ca&%ing co&%reheni*el' coni$er the RAT a well a loa$ an$ contiguou co*erage of each freuenc' or (an$. + in i$le &o$e can ca&% on cell with goo$ ignal ualit' or cell that can %ro*i$e (etter uer e%erience. The %ur%oe of i$le-+ ca&%ing are a follow
To i&%ro*e uer e%erience n cenario where S@ an$ +@TS networ) are $e%lo'e$" it i reco&&en$e$ that a S@ an$ +@TS $ual-&o$e + %referentiall' ca&% on a +@TS cell an$ initiate er*ice on the +@TS networ).
To increae #T networ) utiliation n cenario where an #T networ) i $e%lo'e$" it i reco&&en$e$ that a &ulti&o$e + u%%orting #T %referentiall' ca&% on the #T networ). B' $oing o" uer can en/o' a(un$ant high-%ee$ $ata er*ice %ro*i$e$ (' the #T networ).
To (alance the loa$ (etween RAT or (an$ + in i$le &o$e can (e e*enl' $itri(ute$ a&ong networ) with $ifferent RAT or a&ong cell o%erating in $ifferent (an$.
n thi $ocu&ent
S@ an$ +@TS $ual-&o$e + refer to + regitere$ with the core networ) =!N> that u%%ort S@ an$ +@TS. @ulti&o$e + u%%orting #T refer to the + regitere$ with the !N an$ u%%orting #T an$ +@TSS@.
2.1.3 Description $le-+ ca&%ing %ro*i$e the following ca&%ing %olicie for + u%%orting $ifferent RAT
Cor a &ulti&o$e + u%%orting #T Au&e we want the + to %referentiall' ca&% on the #T networ). f there i no #T co*erage or inufficient #T co*erage" the + ca&% on the +@TS networ). f there i no +@TS co*erage or inufficient +@TS co*erage" the + ca&% on the S@ networ).
Cor a S@ an$ +@TS $ual-&o$e + Au&e we want the + to %referentiall' ca&% on the +@TS networ). F
F
f the + $oe not u%%ort a(olute %riorit'-(ae$ cell reelection" the + %referentiall' ca&% on the +@TS networ) (' uing cell ran)ing-(ae$ cell reelection. f the + u%%ort a(olute %riorit'-(ae$ cell reelection" et the a(olute %riorit' of the +@TS networ) to (e higher than that of the S@ networ).
f there i no +@TS co*erage or inufficient +@TS co*erage" the + ca&% on the S@ networ).
Cor a ingle-&o$e + The + accee the networ) that it u%%ort.
$le-+ ca&%ing alo %ro*i$e the following %olicie for ca&%ing on a cell u%%orting a ingle RAT
n the #T networ)
Au&e we want the + to %referentiall' ca&% on a cell o%erating in a higher (an$. f there are two freuencie in the a&e (an$" cell that o%erate in (oth freuencie are configure$ with the a&e reelection %riorit'.
n the +@TS networ) The + ran$o&l' or %referentiall' ca&% on a cell (ae$ on the networ)ing. f traffic teering i not ue$ on the +@TS networ)" the + elect a ca&%ing %olic' (ae$ on the nu&(er of carrier an$ the carrier co*erage a follow F
f &ulti%le carrier are configure$ an$ onl' one carrier achie*e contiguou co*erage" it i reco&&en$e$ that the + %referentiall' ca&% on a cell uing the carrier with contiguou co*erage. Thi re$uce the nu&(er of !S han$o*er fro& carrier without contiguou co*erage to the carrier with contiguou co*erage.
F
f &ulti%le carrier are configure$ an$ all the carrier achie*e contiguou co*erage" it i reco&&en$e$ that the + ran$o&l' ca&% on an' cell.
F
f &ulti%le carrier are configure$ an$ at leat one carrier $oe not achie*e contiguou co*erage" it i reco&&en$e$ that
F
The + ran$o&l' ca&% on an' cell uing a carrier with contiguou co*erage.
The + %referentiall' ca&% on a cell uing carrier with contiguou co*erage when the + i at the co*erage e$ge of the carrier without contiguou co*erage.
!o&%are$ with +@TS 2100 @H carrier" +@TS 900 @H carrier %ro*i$e (etter ignal ualit' an$ can acco&&o$ate &ore +. Therefore" if (oth carrier are configure$ an$ contiguou co*erage i achie*e$" &o$if' cell reelection-relate$ %ara&eter. Thi ena(le the + to %referentiall' ca&% on a cell uing a +@TS 2100 @H carrier" there(' (alancing the loa$ (etween $ifferent carrier.
f traffic teering i i&%le&ente$ (etween R99 an$ HS4A carrier on the +@TS networ)" it i reco&&en$e$ that the + %referentiall' ca&% on a cell uing R99 carrier with contiguou co*erage.
n the S@ networ) t i reco&&en$e$ that the + %referentiall' ca&% on a cell o%erating at S@ 1800 @H to increae the cell ca%acit' or ran$o&l' ca&% on an' cell. The %referential ca&%ing %olic' can (e i&%le&ente$ ( ' configuring cell reelection-relate$ %ara&eter.
Cigure 2.1.3..1.1.1 how the %rinci%le of i$le-+ ca&%ing.
4igure 2.1.3.I.1.1.1 $le-+ ca&%ing Idle67 ca"ping #2;00
#2;00
$riority 1
#1800
#1800
+2100
$riority 2
+2100
+2100
$riority 2 +900
+900
9001800
9001800
$riority 3 Co!erage&ased cell reselection
4re;uency priority
4eature List Ta(le 2.1.3..1.1.1.1 lit the feature ue$ in i$le-+ ca&%ing. Ta&le 2.1.3.I.1.1.1.1 #it of the feature ue$ in i$le-+ ca&%ing Ceature D
Ceature Na&e
Cirt A%%earance
Reference Docu&ent
BCD-110<01
Baic !ell Selection
BSS;.0
$le @o$e Beha*ior Ceature 4ara&eter Decri%tion
BCD-110<02
Baic !ell Re-election
BSS;.0
$le @o$e Beha*ior Ceature 4ara&eter Decri%tion
BCD-11<301
S@7!D@A ntero%era(ilit'
BSS;.0
ntero%era(ilit' Between S@ an$ 7!D@A Ceature 4ara&eter Decri%tion
BCD-11<32
Cat 7!D@A Reelection at 2 !S !all Releae
BSS9.0
ntero%era(ilit' Between S@ an$ 7!D@A Ceature 4ara&eter Decri%tion
BCD-11301
!ell Reelection S@ an$ #T
BSS12.0
ntero%era(ilit' Between S@ an$ #T Ceature 4ara&eter Decri%tion
7RCD-010<01
S'te& Broa$cating
RAN2.0
Ra$io Bearer Ceature 4ara&eter Decri%tion
Between
nfor&ation
$riority 1
7RCD-020303
nter-RAT Han$o*er Bae$ on !o*erage
RAN2.0
Han$o*er Ceature 4ara&eter Decri%tion
7RCD-02012;
@o(ilit' Between an$ #T 4hae 1
RAN12.0
ntero%era(ilit' Between +@TS an$ #T Ceature 4ara&eter Decri%tion
#BCD00201803
!ell Selection election
Re-
eRAN1.0
$le @o$e @anage&ent Ceature 4ara&eter Decri%tion
#CD-001019
4S nter-RAT @o(ilit' (etween -+TRAN an$ +TRAN
eRAN1.0
$le @o$e @anage&ent Ceature 4ara&eter Decri%tion
#CD-001020
4S nter-RAT @o(ilit' (etween -+TRAN an$ RAN
eRAN1.0
$le @o$e @anage&ent Ceature 4ara&eter Decri%tion
+@TS
an$
4eature Description Ta(le 2.1.3..1.1.1.1 $ecri(e the feature ue$ in i$le-+ ca&%ing. Ta&le 2.1.3.I.1.1.1.1 Decri%tion of the feature ue$ in i$le-+ ca&%ing Ceature D
Ceature Na&e
Ceature Decri%tion
RAT
BCD110<01
Baic !ell 7hen an @S i %owere$ on or &o*e fro& a Selection (lin$ %ot to a co*erage area" the @S earche for all freuencie on the %u(lic lan$ &o(ile networ) =4#@N> an$ elect a cell to ca&% on.
S@ onl'
BCD110<02
Baic !ell Re-election
An @S in i$le &o$e %erfor& cell reelection to fin$ a cell that can %ro*i$e (etter er*ice than the current cell.
S@ onl'
BCD11<301
S@7!D@ A ntero%era(ili t'
Thi feature ena(le + han$o*er an$ cell reelection (etween the S@ networ) an$ the +@TS networ).
S@ an$ +@TS
BCD11<32
Cat 7!D@A Reelection at 2 !S !all Releae
7hen an @S ter&inate a call on a S@ networ)" it ca&% on a +@TS networ) (ae$ on the ,cell election in$icator after releae, infor&ation in the !hannel Releae &eage. n thi %roce" the @S $oe not nee$ to %erfor& calculation" which accelerate cell reelection.
S@ an$ +@TS
BCD11301
!ell A S@ an$ #T $ual-&o$e + in i$le &o$e Reelection %erfor& cell reelection (ae$ on the ignal Between le*el of neigh(oring cell an$ the RAT S@ an$ %riorit'.
S@ an$ #T
#T 7RCD010<01
S'te& nfor&ation Broa$cating
7ith thi feature" + can %erfor& cell reelection (etween (an$.
+@TS onl'
7RCD020303
nter-RAT Han$o*er Bae$ on !o*erage
Thi feature ena(le &eaure&ent-(ae$ inter-RAT han$o*er triggere$ (' acti*e et ualit' &eaure&ent e*ent 2D or + u%lin) ualit' of er*ice =GoS>" an$ inter-RAT e&ergenc' (lin$ han$o*er triggere$ (' e*ent 1C. Thi feature a%%lie to inter-RAT intero%era(ilit' (ae$ on co*erage or + &o(ilit'.
S@ an$ +@TS
7RCD02012;
@o(ilit' Between +@TS an$ #T 4hae 1
Thi feature %ro*i$e the following function
+@TS an$ #T
!ell election an$ reelection (etween +@TS an$ #T networ) 4S han$o*er fro& the #T networ) to the +@TS networ)
#BCD0201803
!ell Selection an$ Reelection
Thi feature ena(le cell election an$ reelection within the #T networ). 7ith thi feature" + in i$le &o$e can ca&% on the (et cell within the #T networ).
#T onl'
#CD001019
4S nter-RAT @o(ilit' (etween +TRAN an$ +TRAN
Thi feature ena(le cell reelection or +@TS han$o*er (etween #T an$ +@TS networ). an$ #T 7ith thi feature" + at the #T e$ge can elect +@TS cell to ca&% on.
#CD001020
4S nter-RAT @o(ilit' (etween +TRAN an$ RAN
Thi feature ena(le cell reelection or S@ an$ han$o*er (etween #T an$ S@ networ). #T 7ith thi feature" + at the #T e$ge can elect S@ cell to ca&% on.
2.1.- pplication Thi ection %ro*i$e a%%lication gui$eline for i$le-+ ca&%ing. Thee gui$eline are &ainl' (ae$ on the $ifferent reuire&ent for *ariou feature co&(ination. The %rinci%le for acti*ating the feature ue$ in thi u(-olution are a follow 1.
Deter&ine the RAT in*ol*e$ an$ then elect the feature to (e acti*ate$ uing the infor&ation a(out RAT co&(ination in Ta(le 2.1.3..1.1.1.1. Cor ea&%le" in cenario where +@TS an$ #T networ) are $e%lo'e$" 'ou nee$ to acti*ate the feature $ecri(e$ in Ta(le 2.1.3..1.1.1.1 that reuire +@TS an$ #T.
The a%%lication gui$eline for ca&%ing olution for + in i$le &o$e are a follow
4rinci%le for configuring neigh(oring +@TS freuencie for an #T cell A + can i&ultaneoul' &eaure three a$/acent +@TS freuencie at &ot. After the %riorit'-(ae$ cell reelection function i ena(le$" if a +@TS freuenc' with %oor
co*erage eit in an area" it i not reco&&en$e$ that thi freuenc' (e configure$ a the neigh(oring +@TS freuenc' for the #T cell in thi area. Thi can %re*ent increae in %ower conu&%tion of a + for &eauring the neigh(oring freuenc'. f there are three or &ore +@TS freuencie with goo$ co*erage in an area" the #T cell in thi area can (e configure$ with &ore than a$/acent +@TS freuencie. n thi cae" the + ca&% on a cell corre%on$ing to an a$/acent +@TS freuenc'.
4rinci%le for configuring inter-freuenc' neigh(oring cell on a +@TS networ) The + can i&ultaneoul' &eaure three +@TS freuencie at &ot. f there are no &ore than three freuencie" a er*ing cell can (e configure$ with an' nu&(er of neigh(oring cell regar$le of the nu&(er of freuencie. 7hen the total nu&(er of +@TS freuencie i greater than or eual to four" 'ou are a$*ie$ to configure interfreuenc' neigh(oring cell c'clicall' if ran$o& ca&%ing i a$o%te$. The following ea&%le illutrate how to configure freuenc' relationhi% uing the euential configuration ðo$. The following four freuencie eit on a +@TS networ) F
C1 i on the +@TS 900 @H freuenc' (an$.
F
C23< are on the +@TS 2100 @H freuenc' (an$.
a&%le 1 7hen the traffic teering function i not ena(le$ on the +@TS 2100 @H freuenc' (an$" an$ ran$o& ca&%ing i a$o%te$" configure the freuenc' relationhi% for thee four freuencie a follow F
C1 it neigh(oring freuencie are C2 an$ C3.
F
C2 it neigh(oring freuencie are C3 an$ C<.
F
C3 it neigh(oring freuencie are C< an$ C1.
F
C< it neigh(oring freuencie are C1 an$ C2.
Cigure 2.1.<..1.1.1 how the + ca&%ing an$ cell reelection trategie on the +@TS networ). 4igure 2.1.-.I.1.1.1 + ca&%ing an$ cell reelection
a&%le 2 7hen the traffic teering function i ena(le$ on the +@TS 2100 @H freuenc' (an$ an$ + in i$le &o$e can ca&% on C2" (ut not C3 an$ C<" configure the freuenc' relationhi% for thee four freuencie a follow F
C1 it neigh(oring freuenc' i C2.
F
C2 it neigh(oring freuenc' i C1.
F
C3 it neigh(oring freuenc' i C2.
F
C< it neigh(oring freuenc' i C2.
Cigure 2.1.<..1.1.2 how the + ca&%ing an$ cell reelection trategie on the +@TS networ). 4igure 2.1.-.I.1.1.2 + ca&%ing an$ cell reelection
2.
Set the %ara&eter relate$ to inter-RAT cell reelection a follow
S@ an$ +@TS networ) $e%lo'e$ !ell reelection fro& the S@ networ) to the +@TS networ) i controlle$ (' the =I" 4DD='44" an$ 4DD=
+@TS an$ #T networ) $e%lo'e$ To enure that a + in a +@TS cell %referentiall' reelect an #T cell" et %priority to (e greater than (priority. The two %ara&eter are relate$ to the 7RCD-02012; @o(ilit' Between +@TS an$ #T 4hae 1 feature.
+ on a ingle-RAT &ulti(an$ networ) can %erfor& inter-freuenc' cell reelection. Set the %ara&eter relate$ to inter-freuenc' cell reelection a follow
#T networ)
nter-freuenc' cell reelection i inclu$e$ in the #BCD-00201803 !ell Selection an$ Reelection feature. F
F
To ena(le %riorit'-(ae$ inter-freuenc' cell reelection for a + on the #T networ)" et the Cell8esel$riority %ara&eter for (oth the er*ing cell an$ interfreuenc' neigh(oring cell. Cell8esel$riority %ecifie the cell reelection %riorit'. A larger *alue of Cell8esel$riority in$icate a higher reelection %riorit'. To et the cell reelection %riorit' for the er*ing cell an$ inter-freuenc' neigh(oring cell" run the <'D C7LL87(7L an$ <'D 76T8%I%T78%487= co&&an$" re%ecti*el'. To ena(le (oth inter-freuenc' an$ inter-RAT cell reelection for a + on the #T networ)" et the (nonIntra(earch an$ Thrsh(er!Low %ara&eter for interfreuenc' cell reelection to (e the a&e a thoe for inter-RAT cell reelection. That i" for + in i$le &o$e" the trigger con$ition for inter-freuenc' an$ inter-RAT &eaure&ent are the a&e. f a + i at the e$ge of #T networ) co*erage an$ (oth an inter-freuenc' neigh(oring cell an$ an inter-RAT neigh(oring cell &eet the cell reelection reuire&ent" et Cell8esel$riority for the inter-freuenc' neigh(oring cell to higher than that of the inter-RAT neigh(oring cell. Thi ena(le the + to %referentiall' reelect the inter-freuenc' neigh(oring cell.
+@TS networ) F
F
n a +@TS 900 @H2100 @H &ulti-carrier networ)" if +@TS 900 @H carrier achie*e contiguou co*erage" the + ran$o&l' ca&% on an' cell o%erating at 900 @H or 2100 @H. Set the Idle(intersearch %ara&eter for cell o%erating at 900 @H to a large *alue or 12" which caue inter-freuenc' &eaure&ent to tart earlier. Idle(intersearch %ecifie the threhol$ at which inter-freuenc' &eaure&ent i tarte$. n a$$ition" et the Idle=o**set2sn %ara&eter to a large *alue o that a + in i$le &o$e in a cell o%erating at 900 @H %referentiall' ca&% on a cell o%erating at 2100 @H. Thi re$uce the loa$ of cell o%erating at 900 @H. n a +@TS ingle-(an$ &ulti-carrier networ)" it i reco&&en$e$ that the + %referentiall' ca&% on a cell uing carrier with contiguou co*erage. et the Idle(intersearch an$ Idle=o**set2sn %ara&eter to a large *alue an$ a &all *alue" re%ecti*el'" for +@TS cell uing carrier with contiguou co*erage. f Idle(intersearch i not et" et Idle=o**set2sn to a &all *alue for +@TS cell uing carrier with contiguou co*erage an$ a large *alue for +@TS cell uing carrier without contiguou co*erage.
Jou $o not nee$ to &o$if' the etting of the %ara&eter relate$ to S@ cell election an$ reelection.
2.2 (er!ice Continuity 2.2.1 (cenario n &ulti-RAT an$ &ulti(an$ networ)" o%erator face co&%le co*erage iue $ue to the $ifference (etween RAT an$ (an$ co*erage area. n uch a co&%le networ)" if a + i at the co*erage e$ge of a RAT or (an$ or in an area with %oor ignal ualit'" the + &a' ha*e &ulti%le inter-freuenc' or inter-RAT can$i$ate cell. Ser*ice continuit' i intro$uce$ to hel% + elect a target cell without affecting the continuit' of !S an$ 4S er*ice. Cigure 2.2.1..1.1.1 how an ea&%le cenario where er*ice continuit' can (e ue$.
4igure 2.2.1.I.1.1.1 a&%le cenario where er*ice continuit' can (e ue$ #2;00 #1800
#2;00 7hich networ) houl$ elect for han$o*er at the co*erage e$ge or in an area with
#1800 LT7 Co!erage
#800
#800
#800
+2100
+2100
+2100 6
+900
9001800
+900
9001800
2.2.2 $urpose 7hen a + i %roceing er*ice in a cell that u%%ort a RAT or i o%erating in a (an$" networ) co*erage &a' (e inufficient or ignal ualit' &a' $eteriorate. f thi ha%%en" er*ice continuit' ena(le the + to (e han$e$ o*er or re$irecte$ to a cell u%%orting a $ifferent RAT or o%erating in a $ifferent (an$ with goo$ ignal ualit'. Ser*ice continuit' enure continuit' of !S an$ 4S er*ice. f there are &ulti%le inter-freuenc' or inter-RAT can$i$ate cell" thi u(-olution ena(le the + to (e han$e$ o*er or re$irecte$ to a uita(le cell" there(' %re*enting unnecear' han$o*er or re$irection. The coor$ination (etween the $ifferent RAT or (an$ that thi u(-olution ue alo %re*ent %ing-%ong han$o*er caue$ (' inufficient networ) co*erage or $eteriorate$ ignal ualit'.
2.2.3 Description n a &ulti-RAT an$ &ulti(an$ networ)" if networ) co*erage $ecreae or ignal ualit' $eteriorate in one RAT or (an$" inter-freuenc' or inter-RAT han$o*er or re$irection (ae$ on co*erage or ignal ualit' i triggere$. Ser*ice continuit' ena(le %referential election of a target cell or networ) (' configuring the freuenc' %rioritie of the a&e or $ifferent RAT.
nufficient #T co*erage f a + i in an area with inufficient #T co*erage" acti*ate co*erage-(ae$ interfreuenc' or inter-RAT han$o*er or re$irection. Thi ena(le the + to (e han$e$ o*er to an inter-freuenc' or inter-RAT cell" enuring er*ice continuit'. n a$$ition" it i reco&&en$e$ that the + %referentiall' elect an #T inter-freuenc' neigh(oring cell a the target cell. f the #T inter-freuenc' target cell $oe not eit or ha %oor ignal ualit'" the + elect a +@TS cell a the target cell. f the +@TS target cell $oe not eit or ha %oor ignal ualit' in thi cae" the + elect a S@ cell a the target cell.
nufficient +@TS co*erage f a + i in an area with inufficient +@TS co*erage" acti*ate co*erage-(ae$ interfreuenc' or inter-RAT han$o*er or re$irection. n a$$ition" it i reco&&en$e$ that the + %referentiall' elect a +@TS inter-freuenc' neigh(oring cell a the target cell. f the +@TS inter-freuenc' target cell $oe not eit or ha %oor ignal ualit'" the + elect a S@ cell a the target cell. n a +@TS 900 @H2100 @H networ)
F
F
f a + i at the co*erage e$ge of 2100 @H" the + can (e han$e$ o*er to a cell o%erating at 900 @H (' uing co*erage-(ae$ han$o*er or re$irection. f a + i at the co*erage e$ge of 900 @H" it i reco&&en$e$ that
The + (e %referentiall' han$e$ o*er or re$irecte$ to a cell o%erating at 2100 @H when contiguou co*erage i not achie*e$ in the 900 @H (an$. The + not (e han$e$ o*er to a cell o%erating at 2100 @H (' uing co*erage (ae$ han$o*er or re$irection when contiguou co*erage i achie*e$ in the 900 @H (an$.
f a + i at the e$ge of +@TS networ) co*erage" co*erage- or ignal ualit'-(ae$ han$o*er or re$irection i triggere$. Thi ena(le the + to (e han$e$ o*er to an interRAT cell" enuring continuit' of !S an$ 4S er*ice.
nufficient S@ co*erage f a + i in an area with inufficient S@ co*erage" acti*ate co*erage-(ae$ interfreuenc' or inter-RAT han$o*er. n a$$ition" it i reco&&en$e$ that the + %referentiall' elect a S@ inter-freuenc' neigh(oring cell a the target cell. f the S@ inter-freuenc' target cell $oe not eit or ha %oor ignal ualit'" the + elect a +@TS cell a the target cell.
Cigure 2.2.3..1.1.1 how er*ice continuit'. 4igure 2.2.3.I.1.1.1 Ser*ice continuit' #2;00 #1800
LT7 hot spot>capacity
#2;00
#1800 LT7 co!erage
#800
#800
#800
+2100
+2100
+2100 6
+900
9001800
!o*erage-(ae$ inter-freuenc' 4S han$o*er
+900
9001800
!o*erage-(ae$ inter-RAT !S4S han$o*er
!o*erage-(ae$ inter-freuenc' !S4S han$o*er !o*erage-(ae$ inter-RAT 4S han$o*er
4eature List Ta(le 2.2.3..1.1.1.1 lit the feature ue$ in er*ice continuit'.
Ta&le 2.2.3.I.1.1.1.1 #it of the feature ue$ in er*ice continuit' Ceature D
Ceature Na&e
Cirt A%%earanc e
Reference Docu&ent
BCD-110;01
H+A7 Han$o*er
BSS;.0
Han$o*er Ceature 4ara&eter Decri%tion
BCD-1001
H+A7 Han$o*er
BSS8.1
Han$o*er Ceature 4ara&eter Decri%tion
BCD-11<301
S@7!D@A ntero%era(ilit'
BSS;.0
ntero%era(ilit' Between S@ an$ 7!D@A Ceature 4ara&eter Decri%tion
7RCD-020110
@ulti Creuenc' Ban$ Networ)ing @anage&ent
RAN10.0
@ulti-Creuenc' Ban$ Networ)ing @anage&ent Ceature 4ara&eter Decri%tion
7RCD-020302
nter Creuenc' Har$ Han$o*er Bae$ on !o*erage
RAN2.0
Han$o*er Ceature 4ara&eter Decri%tion
7RCD-020303
nter-RAT Han$o*er Bae$ on !o*erage
RAN2.0
Han$o*er Ceature 4ara&eter Decri%tion
7RCD-02012;
@o(ilit' Between +@TS an$ #T 4hae 1
RAN12.0
ntero%era(ilit' Between +@TS an$ #T Ceature 4ara&eter Decri%tion
#BCD-00201801
!o*erage Bae$ freuenc' Han$o*er
nter-
eRAN1.0
@o(ilit' @anage&ent in !onnecte$ @o$e Ceature 4ara&eter Decri%tion
#BCD-00201802
!o*erage Bae$ freuenc' Han$o*er
nter-
eRAN1.0
@o(ilit' @anage&ent in !onnecte$ @o$e Ceature 4ara&eter Decri%tion
#CD-001019
4S nter-RAT @o(ilit' (etween -+TRAN an$ +TRAN
eRAN1.0
@o(ilit' @anage&ent in !onnecte$ @o$e Ceature 4ara&eter Decri%tion
#CD-001020
4S nter-RAT @o(ilit' (etween -+TRAN an$ RAN
eRAN1.0
@o(ilit' @anage&ent in !onnecte$ @o$e Ceature 4ara&eter Decri%tion
4eature Description Ta(le 2.2.3..1.1.1.1 $ecri(e the feature ue$ in er*ice continuit'.
Ta&le 2.2.3.I.1.1.1.1 Decri%tion of the feature ue$ in er*ice continuit' Ceature D
Ceature Na&e
Ceature Decri%tion
BCD-110;01
H+A7 Han$o*er
BCD-1001
H+A7 Han$o*er
BCD-11<301
RAT
Thi feature elect a can$i$ate cell for S@ onl' han$o*er. t conit of the following %hae &eaure&ent reult re%orting" &eaure&ent re%ort %roceing" han$o*er $eciion" an$ han$o*er eecution. Thi feature i an enhance&ent to the H+A7 han$o*er algorith&. Thi feature co&%reheni*el' coni$er the reult of all han$o*er $eciion" i&%ro*ing the accurac' of thee reult.
S@ onl'
S@7!D@A ntero%era(ilit'
Thi feature ena(le + han$o*er an$ cell reelection (etween the S@ networ) an$ the +@TS networ).
S@ an$ +@TS
7RCD-020110
@ulti Creuenc' Ban$ Networ)ing @anage&ent
Thi feature ena(le + &o(ilit' &anage&ent (etween $ifferent (an$.
+@TS onl'
7RCD-020302
nter Creuenc' Thi feature ena(le co*erage-(ae$ Har$ Han$o*er inter-freuenc' han$o*er. Bae$ on !o*erage
+@TS onl'
7RCD-020303
nter-RAT Thi feature ena(le &eaure&ent- S@ an$ Han$o*er Bae$ (ae$ inter-RAT han$o*er triggere$ (' +@TS on !o*erage acti*e et ualit' &eaure&ent e*ent 2D or + u%lin) ualit' of er*ice =GoS>" an$ inter-RAT e&ergenc' (lin$ han$o*er triggere$ (' e*ent 1C. Thi feature a%%lie to inter-RAT intero%era(ilit' (ae$ on co*erage or + &o(ilit'.
7RCD-02012;
@o(ilit' Between +@TS an$ #T 4hae 1
Thi feature %ro*i$e the following function !ell election an$ reelection (etween +@TS an$ #T networ)
#BCD-00201802
!o*erage Bae$ nter-freuenc' Han$o*er
#CD-001019
4S
nter-RAT
+@TS an$ #T
4S han$o*er fro& the #T networ) to the +@TS networ)
n #T &ulti(an$ networ)" thi #T onl' feature ena(le a + in ra$io reource control =RR!> connecte$ &o$e at the co*erage e$ge of a freuenc' or (an$ to (e han$e$ o*er to an inter-freuenc' cell. Thi %re*ent call $ro% caue$ (' wea) co*erage. Thi feature ena(le cell reelection or +@TS
@o(ilit' (etween +TRAN +TRAN
#CD-001020
an$
4S nter-RAT @o(ilit' (etween +TRAN an$ RAN
han$o*er (etween -+TRAN an$ +TRAN. 7ith thi feature" + at the e$ge of #T networ) co*erage can (e han$e$ o*er to +TRAN cell. f a + $oe not u%%ort 4S han$o*er" the + i re$irecte$ to a +TRAN cell.
an$ #T
Thi feature ena(le cell reelection or S@ an$ han$o*er (etween -+TRAN an$ #T RAN. 7ith thi feature" + at the e$ge of #T networ) co*erage can (e han$e$ o*er to RAN cell. f a + $oe not u%%ort 4S han$o*er" the + i re$irecte$ to a RAN cell.
2.2.- pplication Thi ection $ecri(e a%%lication gui$eline for er*ice continuit'. Thee gui$eline are &ainl' (ae$ on the $ifferent reuire&ent for *ariou feature co&(ination. The %rinci%le for acti*ating the feature ue$ in thi u(-olution are a follow Deter&ine the RAT in*ol*e$ an$ then elect the feature to (e acti*ate$ uing the infor&ation a(out RAT co&(ination in Ta(le 2.2.3..1.1.1.1. Cor ea&%le" in cenario where +@TS an$ #T networ) are $e%lo'e$" 'ou nee$ to acti*ate the feature $ecri(e$ in Ta(le 2.2.3..1.1.1.1 that reuire +@TS an$ #T. Thi u(-olution i %ri&aril' ue$ to a$$re %ro(le& with !S an$ 4S er*ice continuit'. t %ro*i$e che&e to a$$re the following cenario
nufficient #T co*erage To %referentiall' trigger co*erage-(ae$ inter-freuenc' han$o*er" et Inter4re;Ho2Thd8srp an$ Inter4re;Ho2Thd8sr; to greater than Inter8atHo2Thd8srp an$ Inter8atHo2Thd8sr; " re%ecti*el'.
F Inter4re;Ho2Thd8srp an$ Inter4re;Ho2Thd8sr; %ecif' the threhol$ at which inter-freuenc' &eaure&ent e*ent A2 i re%orte$. F
Inter8atHo2Thd8srp an$ Inter8atHo2Thd8sr; %ecif' the threhol$ at which inter-RAT &eaure&ent e*ent A2 i re%orte$.
!hanging thee four %ara&eter affect the following feature F
#BCD-00201802 !o*erage Bae$ nter-freuenc' Han$o*er
F
#CD-001019 4S nter-RAT @o(ilit' (etween -+TRAN an$ +TRAN
F
#CD-001020 4S nter-RAT @o(ilit' (etween -+TRAN an$ RAN
Cor a + at the e$ge of #T networ) co*erage" et 6tran2Thd8srp'**set to greater than eran2Thd8srp'**set . Thi ena(le the + to (e %referentiall' han$e$ o*er to a +@TS target cell or to %referentiall' elect a +@TS target cell. !hanging thee two %ara&eter affect the following feature
F
#BCD-00201802 !o*erage Bae$ nter-freuenc' Han$o*er
F
#CD-001019 4S nter-RAT @o(ilit' (etween -+TRAN an$ +TRAN
F
#CD-001020 4S nter-RAT @o(ilit' (etween -+TRAN an$ RAN
nufficient +@TS co*erage
F To ena(le inter-freuenc' &eaure&ent ta) to (e %referentiall' $eli*ere$ on the networ) i$e" et CsHo$rio
7RCD-020303 nter-RAT Han$o*er Bae$ on !o*erage
7RCD-020302 nter Creuenc' Har$ Han$o*er Bae$ on !o*erage
F To enure that co*erage-(ae$ han$o*er i not triggere$ for + in +@TS 900 @H cell with contiguou co*erage" et the H'Co!$rio %ara&eter for thee cell to 0. H'Co!$rio %ecifie the %riorit' of co*erage-(ae$ inter-freuenc' han$o*er. !hanging thi %ara&eter affect the 7RCD-020302 nter Creuenc' Har$ Han$o*er Bae$ on !o*erage feature.
nufficient S@ co*erage The target cell to which the + i %referentiall' han$e$ o*er can (e a$/ute$ (' uing the H''$T(7L %ara&eter. H''$T(7L %ecifie whether the + i %referentiall' han$e$ o*er to a S@ or +@TS cell. !hanging thi %ara&eter affect the BCD-11<301 S@7!D@A ntero%era(ilit' feature. To enure that a +@TS target cell i electe$ when the ignal ualit' of neigh(oring S@ cell i (elow a %ecifie$ threhol$" et H''$T(7L to $re?2?CellThres.
The following $ecri(e how to configure a$/acent +@TS freuencie for an #T cell A + can i&ultaneoul' &eaure three a$/acent +@TS freuencie at &ot. 7hen configuring a$/acent +@TS freuencie for an #T cell" 'ou are a$*ie$ to a$o%t one of the following trategie (ae$ on whether the traffic teering function i ena(le$ on the +@TS networ).
f 'e Cor an #T cell" it i reco&&en$e$ that 'ou et Cs$riority to the &ai&u& *alue for R99 carrier an$ $s$riority to the &ai&u& *alue for HS4A carrier. Cs$riority an$ $s$riority in$icate %rioritie for !S an$ 4S er*ice an$ are controlle$ (' #CD00108 -+TRAN to +TRAN !S4S Steering.
F
f the +@TS networ) i lightl' loa$e$" configure one or two HS4A carrier with goo$ co*erage for an #T cell a a$/acent +@TS freuencie.
−
f the loa$ i not (alance$ on the +@TS networ)" in area with continuou co*erage of each +@TS freuenc'" configure three or &ore HS4A carrier for an #T cell a a$/acent +@TS freuencie an$ et 4S er*ice %rioritie for $ifferent HS4A carrier controlle$ (' #BCD-00201803 !ell Selection an$ Reelection. f HS4A carrier ha*e $ifferent 4S er*ice %rioritie" the eNo$eB %referentiall' en$ + the infor&ation a(out the HS4A carrier with the highet 4S er*ice %riorit'. f HS4A carrier ha*e the a&e 4S er*ice %riorit'" the eNo$eB %referentiall' en$ + the infor&ation a(out the three HS4A carrier with to%-three %rioritie accor$ing the *alue of Conn4re;$riority . f the *alue of Conn4re;$riority are the a&e" the eNo$eB en$ + the infor&ation a(out three ran$o& HS4A carrier.
f not F
f the +@TS networ) i lightl' loa$e$" configure one or two a$/acent +@TS freuencie with goo$ co*erage for an #T cell.
F f the loa$ i not (alance$ on the +@TS networ)" configure three or &ore a$/acent +@TS freuencie for an #T cell. The eNo$eB en$ + the infor&ation a(out the freuencie with high %rioritie accor$ing to the *alue of Conn4re;$riority . f
three or &ore a$/acent +@TS freuencie with the a&e %riorit' are configure$" the eNo$eB en$ + the infor&ation a(out three ran$o& freuencie.
4rinci%le for configuring inter-freuenc' neigh(oring cell on a +@TS networ) nter-freuenc' neigh(oring cell are claifie$ a follow F
nter-freuenc' neigh(oring cell for reelection nl' inter-freuenc' cell reelection can (e %erfor&e$ (etween the ource cell an$ target cell. Neither co*erage-(ae$ inter-freuenc' han$o*er nor inter-freuenc' (lin$ han$o*er can (e %erfor&e$. + in i$le &o$e or in the !##K4!H or !##KCA!H tate %erfor& cell reelection (etween inter-freuenc' neigh(oring cell. nter-freuenc' neigh(oring cell for reelection are $eli*ere$ in SB11 for + in i$le &o$e. SB i hort for 'te& infor&ation (loc). nter-freuenc' neigh(oring cell for reelection are $eli*ere$ in SB12 for + in the !##K4!H or !##KCA!H tate. The cell reelection (etween inter-freuenc' neigh(oring cell i controlle$ (' the SIB11Ind or SIB12Ind %ara&eter in the DD 6I%T78487=%C7LL co&&an$. SIB11Ind an$ SIB12Ind are $eli*ere$ in SB11 an$ SB12" re%ecti*el'. The *alue of the SIB11Ind or SIB12Ind %ara&eter can (e 4L(7 or T867. 4L(7 The neigh(oring cell infor&ation i not $eli*ere$ in SB11 or SB12. T867 The neigh(oring cell infor&ation i $eli*ere$ in SB11 or SB12.
nter-freuenc' neigh(oring cell for (lin$ han$o*er nl' inter-freuenc' (lin$ han$o*er can (e %erfor&e$ (etween the ource cell an$ target cell. Neither interfreuenc' reelection nor co*erage-(ae$ inter-freuenc' han$o*er can (e %erfor&e$. The ource cell an$ target cell &ut (e inter-freuenc' cell with the a&e co*erage. F
The (lin$ han$o*er (etween inter-freuenc' neigh(oring cell i controlle$ (' the BlindHOFlag =Blin$ han$o*er flag> %ara&eter in the DD 6I%T78487=%C7LL co&&an$. The *alue of the BlindHOFlag %ara&eter can (e 4L(7 or T867. 4L(7 The neigh(oring cell i not coni$ere$ a a can$i$ate cell for (lin$ han$o*er. Therefore" (lin$ han$o*er to thi cell cannot (e triggere$. T867 The cell i coni$ere$ a a can$i$ate cell for (lin$ han$o*er an$ (lin$ han$o*er to thi cell can (e triggere$.
!o*erage-(ae$ inter-freuenc' neigh(oring cell for han$o*er nl' co*erage-(ae$ han$o*er can (e %erfor&e$ (etween the ource cell an$ target cell. Neither interfreuenc' reelection nor inter-freuenc' (lin$ han$o*er can (e %erfor&e$. F
The co*erage-(ae$ inter-freuenc' neigh(oring cell for han$o*er are controlle$ (' the HOCovPrio =4riorit' of !o*erage-Bae$ nter-Creuenc' Han$o*er> %ara&eter in the DD 6I%T78487=%C7LL co&&an$. The *alue of the HOCovPrio %ara&eter can (e 0" 1" 2" or 3. 0 The cell $oe not u%%ort co*erage-(ae$ inter-freuenc' han$o*er. 1 The cell ha the highet %riorit' for co*erage-(ae$ inter-freuenc' han$o*er. 3 The cell ha the lowet %riorit' for co*erage-(ae$ inter-freuenc' han$o*er. The higher the %riorit' of a cell i" the &ore li)el' the cell will (e $eli*ere$ a a &eaure&ent o(/ect an$ the eaier it will (e to han$ o*er + to thi cell. Cor ea&%le" the cell with %riorit' 1 i &ore li)el' to (e $eli*ere$ a a target cell to (e &eaure$ than the cell with %riorit' 2. n a$$ition" + are &ore li)el' to (e han$e$ o*er to the cell with %riorit' 1. The cell with %riorit' 0 will not (e $eli*ere$ a a &eaure&ent o(/ect.
Ta&le 2.2.-.I.1.1.1.1 nter-freuenc' neigh(oring cell an$ corre%on$ing control %ara&eter %eigh&oring Cell Type
SIB11Ind
SIB12Ind
HOCovPrio
BlindHOFlag
nter-freuenc' neigh(oring cell for reelection
TR+
CA#S
0
CA#S
nter-freuenc' neigh(oring cell for (lin$ han$o*er
CA#S
CA#S
0
TR+
!o*erage-(ae$ nter-freuenc' neigh(oring cell for han$o*er
CA#S
CA#S
2
CA#S
f SIB12Ind i et to 4L(7" inter-freuenc' neigh(oring cell $eli*ere$ in SB11 can (e ue$ for cell reelection of + in the !##K4!H or !##KCA!H tate.
4rinci%le for configuring inter-freuenc' neigh(oring cell are a follow Section 2.1.<,A%%lication, %ro*i$e the %rinci%le for configuring inter-freuenc' neigh(oring cell on a +@TS networ). F
4rinci%le for configuring inter-freuenc' neigh(oring cell for (lin$ han$o*er The ource cell an$ target cell &ut (e inter-freuenc' cell with the a&e co*erage. No li&itation i i&%oe$ on the nu&(er of inter-freuenc' freuencie for configuring neigh(oring cell. F
4rinci%le for configuring co*erage-(ae$ inter-freuenc' neigh(oring cell for han$o*er are a follow F
a
n a +@TS networ)" a + can i&ultaneoul' &eaure two inter-freuenc' +@TS freuencie at &ot. Therefore" no &ore than two inter-freuenc' +@TS freuencie are reuire$ for configuring co*erage-(ae$ inter-freuenc' neigh(oring cell for han$o*er.
(
!onfigure co*erage-(ae$ inter-freuenc' neigh(oring cell (ae$ on the following inter-freuenc' han$o*er trateg' f a + i at the e$ge of a carrier not %ro*i$ing contiguou co*erage" the + will (e han$e$ o*er to a carrier %ro*i$ing contiguou co*erage. f a + i at the e$ge of a carrier o%erating on a high freuenc' (an$" the + will (e han$e$ o*er to a carrier o%erating on a low freuenc' (an$. f a + i in the co*erage area of a carrier %ro*i$ing contiguou co*erage" the + will not (e han$e$ o*er to a cell uing $ifferent freuencie.
2.3 Load /alancing 2.3.1 (cenario Due to the increaingl' high %enetration rate of &ulti&o$e +" traffic i hea*' in +@TS or #T cell in o&e hot %ot. #oa$ (alancing i intro$uce$ to (alance the loa$ (etween cell in
thi ituation an$ therefore i&%ro*e uer e%erience. Cigure 2.3.1..1.1.1 how an ea&%le cenario where loa$ (alancing can (e ue$. 4igure 2.3.1.I.1.1.1 a&%le cenario where loa$ (alancing can (e ue$ Cell with heay traffic
#2;00 #1800 #800
+2100
#1800
#1800 #800
#800
+2100
+2100
+900
+900 9001800
#2;00
9001800
+900 9001800
2.3.2 $urpose #oa$ (alancing elect the o%ti&al er*ice (earer for + an$ achie*e the following o(/ecti*e
To &ai&ie cell reource uage an$ %re*ent cell o*erloa$ To (alance the loa$ (etween cell that u%%ort $ifferent RAT or o%erate in $ifferent (an$ To i&%ro*e uer e%erience
2.3.3 Description #oa$ (alancing a$$ree the following &ain iue
Hea*' loa$ in a S@ cell f the loa$ of a S@ cell ecee$ a %ecifie$ threhol$" loa$ (alance can (e i&%le&ente$ for the following + F
+ acceing the S@ cell 7hen a + accee a S@ cell that i congete$ an$ ha n o a*aila(le reource" the + i re$irecte$ to the intra- or inter-freuenc' neigh(oring cell with the (et ignal ualit'.
F
+ in RR! connecte$ &o$e 7hen there i hea*' traffic in a S@ cell" o&e + in the cell are han$e$ o*er to intra- or inter-freuenc' neigh(oring cell (' uing loa$-(ae$ han$o*er. n a$$ition" on a S@ 900 @H1800 @H networ)" inter-la'er han$o*er or concentric cell han$o*er can (e i&%le&ente$ to han$ o*er + to the cell to which traffic i offloa$e$" o a to (alance the loa$ (etween cell.
Hea*' loa$ in a +@TS cell
7hen the reource uage of a +@TS cell ecee$ the (aic congetion threhol$" the cell enter the (aic congetion tate. n thi cenario" loa$ (alance can (e i&%le&ente$ for the following + F
+ acceing the +@TS cell t i reco&&en$e$ that the + (e %referentiall' re$irecte$ to inter-freuenc' neigh(oring cell. f none of the neigh(oring +@TS cell &eet the reuire&ent" o&e + are han$e$ o*er or re$irecte$ to neigh(oring S@ cell that &eet the reuire&ent.
F
+ in RR! connecte$ &o$e #oa$-(ae$ inter-freuenc' han$o*er i %erfor&e$. f hea*' traffic in the +@TS cell %erit" loa$-(ae$ !S han$o*er to the S@ networ)" or loa$-(ae$ 4S han$o*er or re$irection to the #T networ) i %erfor&e$ to (alance the loa$ (etween networ). n cenario where &ulti%le carrier in the a&e or $ifferent (an$ co*er the a&e area" + u%%orting carrier aggregation can ue cell reource of &ulti%le carrier. !arrier aggregation ue D!-HS+4A in the u%lin)" an$ D!-HSD4A" DB-HSD4A" or
Hea*' loa$ in an #T cell 7hen the reource uage of an #T cell ecee$ a %ecifie$ threhol$" loa$ (alancing i %erfor&e$ a follow
1. t i reco&&en$e$ that + in the #T cell (e %referentiall' han$e$ o*er to interfreuenc' neigh(oring cell with the a&e co*erage or with a large %ro%ortion of o*erla%%ing co*erage. 2. f hea*' traffic in the #T cell %erit" inter-RAT &o(ilit' loa$ (alancing =@#B> i %erfor&e$ to han$ o*er or re$irect the + to inter-RAT neigh(oring cell with the a&e co*erage or with a large %ro%ortion of o*erla%%ing co*erage. !arrier aggregation wa intro$uce$ in 344 Releae 10 =TR 3;.913>. A + u%%orting carrier aggregation can i&ultaneoul' acce two carrier an$ ue cell reource of the two carrier. f one carrier i lightl' loa$e$" the + can ue &ore cell reource of thi carrier. A high %ercentage of + u%%orting carrier aggregation facilitate loa$ (alancing (etween carrier.
4eature List Ta(le 2.3.3..1.1.1.1 lit the feature ue$ in loa$ (alancing. Ta&le 2.3.3.I.1.1.1.1 Ceature ue$ in loa$ (alancing Ceature D
Ceature Na&e
Cirt A%%earanc e
Reference Docu&ent
BCD-110;01
H+A7 Han$o*er
BSS;.0
Han$o*er Ceature 4ara&eter Decri%tion
BCD-1001
H+A7 Han$o*er
BSS8.1
Han$o*er Ceature 4ara&eter Decri%tion
BCD-110;0
Directe$ Retr'
BSS;.0
Han$o*er Ceature 4ara&eter Decri%tion
BCD-11101L
#oa$
BSS9.0
!o&&on Ra$io Reource
Bae$
Han$o*er
nhance&ent on ur-g
@anage&ent Ceature 4ara&eter Decri%tion
BCD-11103L
S@ an$ 7!D@A #oa$ Balancing Bae$ on ur-g
BSS12.0
!o&&on Ra$io Reource @anage&ent Ceature 4ara&eter Decri%tion
BCD-11<322
S@7!D@A Bae$ Han$o*er
#oa$
BSS8.1
ntero%era(ilit' Between S@ an$ 7!D@A Ceature 4ara&eter Decri%tion
7RCD-020110
@ulti Creuenc' Ban$ Networ)ing @anage&ent
RAN10.0
@ulti-Creuenc' Ban$ Networ)ing @anage&ent Ceature 4ara&eter Decri%tion
7RCD-0201;0
nhance$ @anage&ent
RAN12.0
@ulti-Creuenc' Ban$ Networ)ing @anage&ent Ceature 4ara&eter Decri%tion
7RCD-02010;
#oa$ Rehuffling
RAN2.0
#oa$ !ontrol Ceature 4ara&eter Decri%tion
7RCD-020103
nter Creuenc' Balance
RAN2.0
#oa$ !ontrol Ceature 4ara&eter Decri%tion
7RCD-1<021
nter-Creuenc' #oa$ Balancing Bae$ on !onfigura(le #oa$ Threhol$
RAN1<.0
#oa$ !ontrol Ceature 4ara&eter Decri%tion
7RCD-020120
Ser*ice Steering an$ #oa$ Sharing in RR! !onnection Setu%
RAN11.0
#oa$ !ontrol Ceature 4ara&eter Decri%tion
7RCD020<000<
Traffic Steering an$ #oa$ Sharing During RAB Setu%
RAN10.0
Directe$ Retr' Deciion Ceature 4ara&eter Decri%tion
7RCD-02030;
nter-RAT Han$o*er Bae$ on #oa$
RAN3.0
Han$o*er Ceature 4ara&eter Decri%tion
7RCD-020310
32 !o&&on @anage&ent
RAN10.0
Han$o*er Ceature 4ara&eter Decri%tion
7RCD-0000
#oa$ Bae$ +@TS nhance&ent ur-g
S@ an$ RAN11.1 Han$o*er Bae$ on
!o&&on Ra$io Reource @anage&ent Ceature 4ara&eter Decri%tion
7RCD-0000;L
S@ an$ +@TS #oa$ Balancing Bae$ on ur-g
RAN12.0
!o&&on Ra$io Reource @anage&ent Ceature 4ara&eter Decri%tion
7RCD-1021;
#oa$ Bae$ 4S Re$irection fro& +@TS to #T
RAN1.0
ntero%era(ilit' Between +@TS an$ #T Ceature
@ulti(an$
#oa$
#oa$
4ara&eter Decri%tion 7RCD-1021
#oa$ Bae$ 4S Han$o*er RAN1.0 fro& +@TS to #T
ntero%era(ilit' Between +@TS an$ #T Ceature 4ara&eter Decri%tion
7RCD-010;9;
D!-HSD4A
RAN12.0
D!-HSD4A
7RCD-1<020<
D!-HS+4A
RAN1<.0
D!-HS+4A
7RCD-10209
DB-HSD4A
RAN1.0
DB-HSD4A
7RCD-1020
RAN1.0
eRAN2.0
@#B Ceature 4ara&eter Decri%tion
eRAN2.0
@#B Ceature 4ara&eter Decri%tion
#CD-001032
ntra-#T #oa$ Balancing
#CD-0010<<
nter-RAT #oa$ Sharing to +TRAN
#ACD00100101
ntra-Ban$ !arrier eRAN;.0 Aggregation for Downlin) 2!!
!arrier Ceature Decri%tion
Aggregation 4ara&eter
#ACD00100102
nter-Ban$ !arrier eRAN;.0 Aggregation for Downlin) 2!!
!arrier Ceature Decri%tion
Aggregation 4ara&eter
LThi feature reuire Huawei %rofeional er*ice.
4eature Description Ta(le 2.3.3..1.1.1.1 lit the feature ue$ in loa$ (alancing. Ta&le 2.3.3.I.1.1.1.1 Ceature ue$ in loa$ (alancing Ceature D
Ceature Na&e
Ceature Decri%tion
RAT
BCD110;01
H+A7 Han$o*er
After loa$-(ae$ han$o*er an$ enhance$ loa$-(ae$ han$o*er are ena(le$" thi feature enure that a + i han$e$ o*er to an intraor inter-freuenc' neigh(oring cell when it er*ing cell ha a hea*' loa$. Thi feature alo %re*ent han$o*er to hea*il' loa$e$ neigh(oring cell.
S@ onl'
BCD1001
H+A7 Han$o*er
After loa$-(ae$ han$o*er an$ enhance$ loa$-(ae$ han$o*er are ena(le$" thi feature enure that a + i han$e$ o*er to an intraor inter-freuenc' neigh(oring cell when it er*ing cell ha a hea*' loa$. Thi feature alo %re*ent han$o*er to hea*il' loa$e$ neigh(oring cell.
S@ onl'
Directe$ retr' i a %ecial t'%e of han$o*er. During the aign&ent %roce$ure" the BS! initiate $irecte$ retr' to han$ an @S o*er to a neigh(oring cell if no T!H i a*aila(le or the loa$ in the er*ing cell i hea*'.
BCD110;0
Directe$ Retr'
S@ onl'
BCD11101L
#oa$ Bae$ Thi feature i i&%le&ente$ (' echanging Han$o*er the Huawei %ro%rietar' containing loa$ nhance&ent infor&ation o*er the ur-g interface. The ur-g on ur-g %rotocol tac) co&%lie with 344 %ecification. Thi feature i&%ro*e the accurac' of $eciion for han$o*er that are not triggere$ (' inufficient co*erage" an$ re$uce the %ro(a(ilit' of %ing-%ong han$o*er (etween the S@ an$ +@TS networ).
S@ an$ +@TS
BCD11103L
S@ an$ +@TS #oa$ Balancing Bae$ on urg
Thi feature ena(le the echange of the Huawei %ro%rietar' o*er the ur-g interface" which in turn ena(le loa$-(ae$ han$o*er (etween the S@ an$ +@TS networ). 7ith thi feature" traffic teering i (ae$ on the er*ice attri(ute an$ loa$ of the S@ an$ +@TS networ) when an @S accee the networ).
S@ an$ +@TS
BCD11<322
S@7!D @A #oa$ Bae$ Han$o*er
7ith thi feature" loa$ (alancing i achie*e$ an$ networ) reource are &ore efficientl' utilie$ a follow
S@ an$ +@TS
7hen the cell loa$ on the S@ networ) i hea*'" the BS! can initiate han$o*er fro& the S@ networ) to the +@TS networ) (ae$ on the loa$ of the S@ an$ +@TS networ).
7RCD020110
@ulti Creuenc' Ban$ Networ)ing @anage&ent
Thi feature ena(le &o(ilit' &anage&ent of +@TS onl' + o%erating in $ifferent (an$ (ut in the a&e co*erage area.
7RCD0201;0
nhance$ @ulti(an$ @anage&ent
Thi feature ena(le &eaure&ent-(ae$ inter-freuenc' han$o*er for loa$ (alancing.
+@TS onl'
7RCD02010;
#oa$ Rehuffling
Thi feature %ro*i$e &ulti%le loa$ rehuffling %olicie for cell in the (aic congetion tate. Thee %olicie hel% to re$uce the cell loa$ an$ increae the acce ucce rate.
+@TS onl'
7RCD020103
nter Creuenc' #oa$ Balance
7hen a +@TS cell i in the (aic congetion tate" thi feature ena(le o&e + in the cell to (e han$e$ o*er to inter-freuenc' a&e-co*erage cell.
+@TS onl'
7RCD-
nter-
n o*erla' networ)" thi feature ena(le
+@TS onl'
1<021
Creuenc' loa$ (alancing (etween inter-freuenc' cell #oa$ (elonging to $ifferent RN! when + are in Balancing RR! connecte$ &o$e. Different loa$ Bae$ on threhol$ can (e et for !S an$ 4S er*ice !onfigura(le to &eet $ifferent loa$ (alancing reuire&ent. #oa$ Threhol$
7RCD020120
Ser*ice Steering an$ #oa$ Sharing in RR! !onnection Setu%
7ith thi feature" traffic teering an$ loa$ haring (etween $ifferent freuencie" (an$" or RAT can (e achie*e$ (ae$ on the + er*ice t'%e an$ the loa$ of the cell the + i acceing $uring RR! connection etu%.
S@ an$ +@TS
7RCD020<000<
Traffic Thi feature allow the RAN to coni$er the Steering an$ cell loa$ an$ the reuire$ er*ice t'%e $uring #oa$ Sharing ra$io acce (earer =RAB> etu%" in or$er to During RAB i&%le&ent traffic teering an$ loa$ haring Setu% (etween $ifferent freuencie or (an$.
+@TS onl'
7RCD02030;
nter-RAT Han$o*er Bae$ on #oa$
7hen a cell i in the (aic congetion tate" thi feature ena(le o&e + in the cell to (e han$e$ o*er to inter-RAT a&e-co*erage cell.
S@ an$ +@TS
7RCD020310
32 !o&&on #oa$ @anage&ent
During an inter-RAT han$o*er or $irecte$ retr'" thi feature u%%ort the tranfer of loa$ infor&ation a ti%ulate$ in 344 %ecification" o a to re$uce the %ro(a(ilit' of inter-RAT %ing-%ong han$o*er.
S@ an$ +@TS
7RCD0000
#oa$ Bae$ S@ an$ +@TS Han$o*er nhance&ent Bae$ on urg
Thi feature i i&%le&ente$ (' echanging S@ an$ the Huawei %ro%rietar' o*er the ur-g +@TS interface. The ur-g %rotocol tac) co&%lie with 344 %ecification. Thi feature i&%ro*e the accurac' of $eciion for han$o*er that are not triggere$ (' inufficient co*erage" an$ re$uce the %ro(a(ilit' of %ing-%ong han$o*er (etween the S@ an$ +@TS networ).
7RCD0000;L
S@ an$ Thi feature i&%le&ent RR! re$irection an$ +@TS #oa$ loa$-(ae$ han$o*er (etween the S@ an$ Balancing +@TS networ) (' echanging the Huawei Bae$ on ur- %ro%rietar' o*er the ur-g interface. The g ur-g %rotocol tac) co&%lie with 344 %ecification. 7ith thi feature" traffic teering i (ae$ on the + er*ice attri(ute an$ loa$ of the S@ an$ +@TS networ) $uring RR! connection etu% or after RAB etu%.
7RCD010;9;
D!-HSD4A
+@TS onl'
S@ an$ +@TS
Thi feature ena(le a + to i&ultaneoul' +@TS onl' et u% connection in two a$/acent $ownlin) intra-(an$ cell with the a&e co*erage. n thi wa'" the + can ue cell reource of two
$ifferent carrier" there(' increaing the %ea) through%ut of the +. 7RCD1<020<
D!-HS+4A
ntro$uce$ in 344 Releae 9 an$ (ae$ on HS4A" thi feature allow a + in the u%lin) to ue two a$/acent @H carrier at the a&e ti&e. Thi increae the %ea) rate %er uer for u%lin) $ata tran&iion an$ the a*erage cell through%ut.
+@TS onl'
7RCD10209
DB-HSD4A
Thi feature ena(le a + to i&ultaneoul' et u% connection in two $ownlin) inter (an$ cell with the a&e co*erage. n thi wa'" the + can ue cell reource of two $ifferent carrier" there(' increaing the %ea) through%ut of the +.
+@TS onl'
7RCD1020
A $efine$ in 344 Releae 10" thi feature aggregate three or four carrier for + $ata tran&iion in the $ownlin)" which increae the $ownlin) + through%ut.
+@TS onl'
#T onl'
ntra-#T #oa$ Balancing
Thi feature ena(le loa$ (alancing within the #T networ). na(ling thi feature %re*ent great $ifference in the loa$ (etween #T cell o%erating in $ifferent freuencie.
+@TS an$ #T
#CD0010<<
nter-RAT #oa$ Sharing to +TRAN
Thi feature a%%lie to cell in the a&e co*erage area an$ ena(le loa$ (alancing fro& the #T networ) to the +@TS networ). na(ling thi feature re$uce the loa$ of the #T networ).
#T onl'
#ACD00100101
Thi feature aggregate two carrier in the ntra-Ban$ a&e (an$ to ena(le a + to ue the two !arrier carrier for u%lin) an$ $ownlin) $ata Aggregation tran&iion. Thi feature ena(le for Downlin) aggregation of &ulti%le contiguou or non2!! contiguou carrier.
#T onl'
#ACD00100102
nter-Ban$ !arrier Aggregation for Downlin) 2!!
#CD001032
Thi feature aggregate two carrier in $ifferent (an$ to ena(le a + to ue the two carrier for u%lin) an$ $ownlin) $ata tran&iion.
LThi feature reuire Huawei %rofeional er*ice.
2.3.- pplication Thi ection $ecri(e the a%%lication gui$eline for loa$ (alancing. Thee gui$eline are &ainl' (ae$ on the $ifferent reuire&ent for *ariou feature co&(ination.
Hea*' cell loa$ on the S@ networ)
n thi cenario" the $efault %ara&eter etting are ue$.
Hea*' cell loa$ on the +@TS networ) f a +@TS cell ha hea*' traffic" loa$ (alancing can (e i&%le&ente$ for the following + F
+ acceing the +@TS cell The following feature &ut (e acti*ate$ if the' are reuire$
7RCD-020<000< Ser*ice Steering an$ #oa$ Sharing in RR! !onnection Setu% To ena(le RR! re$irection to inter-freuenc' or inter-RAT cell" et the Connect4ail8rc8edir(witch %ara&eter to llowed?To?Inter?8T. Connect4ail8rc8edir(witch %ecifie whether to ena(le RR! re$irection in the cae of a$&iion failure. f (oth inter-freuenc' an$ inter-RAT neigh(oring cell eit" RR! re$irection to inter-RAT neigh(oring cell can (e triggere$ onl' after RR! re$irection to all inter-freuenc' neigh(oring cell ha*e faile$.
F
7RCD-0000; S@ an$ +@TS #oa$ Balancing Bae$ on ur-g
7RCD-020<000< Traffic Steering an$ #oa$ Sharing During RAB Setu%
+ in RR! connecte$ &o$e The following feature &ut (e acti*ate$ if the' are reuire$
7RCD-020103 nter Creuenc' #oa$ Balance
7RCD-1<021 nter-Creuenc' #oa$ Balancing Bae$ on !onfigura(le #oa$ Threhol$
7RCD-02030; nter-RAT Han$o*er Bae$ on #oa$
7RCD-020310 32 !o&&on #oa$ @anage&ent
7RCD-0000< #oa$ Bae$ S@ an$ +@TS Han$o*er nhance&ent Bae$ on ur-g
Jou can et the %ara&eter a follow to %referentiall' %erfor& loa$-(ae$ interfreuenc' han$o*er
The euence of loa$ rehuffling =#DR> action i configure$ (' running the <'D 6C7LLLD8 co&&an$. t i reco&&en$e$ that loa$-(ae$ interfreuenc' han$o*er (e %erfor&e$ (efore loa$-(ae$ inter-RAT !S han$o*er. To %re*ent ecei*e 4S han$o*er to the S@ networ)" it i reco&&en$e$ that #DR action for 4S loa$ (alancing to the S@ networ) (e $ia(le$.
To %re*ent ecei*e loa$-(ae$ inter-freuenc' !S han$o*er" et the Inter4re;LdHo4or&idenTC %ara&eter to 8?C'%)78(TI'%L. Inter4re;LdHo4or&idenTC %ecifie the t'%e of the er*ice that i for(i$$en in a loa$-(ae$ inter-freuenc' han$o*er.
Hea*' cell loa$ on the #T networ) To achie*e loa$ (alancing on the #T networ)" acti*ate the #CD-001032 ntra-#T #oa$ Balancing an$ #CD-0010<< nter-RAT #oa$ Sharing to +TRAN feature. To enure that inter-freuenc' loa$ (alancing i %referentiall' triggere$" et Inter4re; %roce$ure. n thi cae" if the
the R@ %roce$ure. Bae$ on the loa$ infor&ation" the eNo$eB $elete congete$ or o*erloa$e$ can$i$ate +@TS cell" which increae the han$o*er ucce rate.
Cor $etail a(out how to configure neigh(oring +@TS freuencie for an #T cell" ee ection 2.2.<,A%%lication.,
2.< Tra**ic (teering 2.-.1 (cenario Traffic teering &ainl' a%%lie to the following cenario
S@ an$ +@TS networ) carr' + %roceing $ifferent er*ice.
f *oice o*er nternet 4rotocol =Mo4> i not $e%lo'e$ on an #T networ)" !S er*ice &ut (e han$e$ o*er to a +@TS networ) or a S@ networ) (' uing circuit witche$ fall(ac) =!SCB>.
n a +@TS networ)" carrier are categorie$ into R99 an$ HS4A carrier" which carr' $ifferent er*ice.
2.-.2 $urpose 7ith traffic teering" + are $irecte$ to a networ) that &eet their reuire&ent (ae$ on networ) characteritic an$ er*ice reuire&ent. The %ur%oe of thi u(-olution are a follow
To full' utilie networ) reource of le recent RAT an$ re$uce the loa$ of &ore recent RAT
To i&%ro*e uer e%erience of 4S er*ice
To enure continuit' of !S er*ice initiate$ on the #T networ) (' uing !SCB
To re$uce the i&%act of 4S er*ice on !S er*ice on the +@TS networ) !S an$ 4S er*ice ha*e $ifferent ignal ualit' reuire&ent. Therefore" R99 carrier carr' !S er*ice an$ HS4A carrier carr' 4S er*ice on the +@TS networ).
2.-.3 Description n traffic teering" + %roceing !S or 4S er*ice are $itri(ute$ to networ) of $ifferent RAT or to cell uing $ifferent carrier with the a&e RAT. Thi $itri(ution i (ae$ on networ) characteritic an$ + ca%a(ilitie. There are three traffic teering che&e
Traffic teering (etween S@ an$ +@TS networ) n thi che&e" !S er*ice are %referentiall' carrie$ on the S@ networ)" wherea 4S er*ice are %referentiall' carrie$ on the +@TS networ). During RAB etu%" + %roceing !S er*ice are re$irecte$ to S@ cell" an$ + %roceing 4S er*ice re&ain in +@TS cell.
!SCB fro& the #T networ) to the +@TS or S@ networ) F
!S er*ice %roceing f there i ufficient +@TS co*erage" it i reco&&en$e$ that the !S er*ice initiate$ on the #T networ) (e force$ to fall (ac) to the +@TS networ) (' uing !SCB. f
there i S@ co*erage (ut no +@TS co*erage" the !S er*ice fall (ac) to the S@ networ) (' uing !SCB.
F
f traffic teering i ue$ on the +@TS networ)" it i reco&&en$e$ that the !S er*ice (e force$ to fall (ac) to a +@TS cell uing an R99 carrier.
f traffic teering i not ue$ on the +@TS networ)" it i reco&&en$e$ that the !S er*ice (e force$ to fall (ac) to a +@TS cell uing a carrier with contiguou co*erage.
!S:4S co&%oite er*ice %roceing Cor !S:4S co&%oite er*ice (etween S@ an$ #T networ)" the !S er*ice i force$ to fall (ac) to the S@ networ) (' uing the !SCB an$ the 4S er*ice i u%en$e$ (ecaue inter-RAT DT@ i not u%%orte$. !S:4S co&%oite er*ice (etween +@TS an$ #T networ) can i&ultaneoul' fall (ac) to the +@TS networ) (' uing the han$o*er- or re$irection-(ae$ !SCB. f a + %roceing !S er*ice on the #T networ) ha fallen (ac) to the +@TS networ)" the + can return to the #T networ) (' uing fat return when the !S RAB i releae$.
Traffic teering within the +@TS networ) !urrentl'" traffic teering i &ainl' i&%le&ente$ (etween +@TS 2100 @H carrier. Thi che&e categorie carrier into R99 an$ HS4A carrier (ae$ on their er*ice ca%a(ilitie. n &ot cae" the carrier with continuou co*erage i configure$ a the R99 carrier" an$ other carrier are configure$ a HS4A carrier. Thi che&e i &ainl' i&%le&ente$ $uring RAB etu%. B' uing er*ice-(ae$ RAB $irecte$ retr' $eciion =DRD>" !S er*ice are han$e$ o*er to or re&ain in cell uing the R99 carrier" an$ 4S er*ice are han$e$ o*er to or re&ain in cell uing HS4A carrier.
Traffic teering on the +@TS networ) cannot (e ue$ with traffic teering (etween S@ an$ +@TS networ).
4eature List Ta(le 2.<.3..1.1.1.1 lit the feature ue$ in traffic teering. Ta&le 2.-.3.I.1.1.1.1 Ceature ue$ in traffic teering Ceature D
Ceature Na&e
ntro$uce$ in...
Reference Docu&ent
BCD-11313
!SCB
BSS13.0
ntero%era(ilit' Between S@ an$ #T Ceature 4ara&eter Decri%tion
7RCD-020110
@ulti Creuenc' Ban$ Networ)ing @anage&ent
RAN10.0
@ulti-Creuenc' Ban$ Networ)ing @anage&ent Ceature 4ara&eter Decri%tion
7RCD-0201;0
nhance$ @anage&ent
@ulti(an$
RAN12.0
@ulti-Creuenc' Ban$ Networ)ing @anage&ent Ceature 4ara&eter Decri%tion
7RCD-020<02
@eaure&ent Bae$ Direct
RAN12.0
Directe$ Retr' Deciion
Retr'
Ceature Decri%tion
4ara&eter
7RCD-020<00
DRD ntro$uction 4ac)age
RAN3.0
Directe$ Retr' Deciion Ceature 4ara&eter Decri%tion
7RCD020<000<
Traffic Steering an$ #oa$ Sharing During RAB Setu%
RAN10.0
Directe$ Retr' Deciion Ceature 4ara&eter Decri%tion
7RCD-1<022;
Cat Return fro& +@TS to #T
RAN1.0
ntero%era(ilit' Between +@TS an$ #T Ceature 4ara&eter Decri%tion
#CD-00103<
!S Call(ac) to RAN
eRAN2.0
!S Call(ac) Ceature 4ara&eter Decri%tion
#CD-001033
!S Call(ac) to +TRAN
eRAN2.0
!S Call(ac) Ceature 4ara&eter Decri%tion
#CD-00108
-+TRAN to !S4S Steering
eRAN3.0
@o(ilit' @anage&ent in !onnecte$ @o$e Ceature 4ara&eter Decri%tion
+TRAN
4eature Description Ta(le 2.<.3..1.1.1.1 lit the feature ue$ in traffic teering. Ta&le 2.-.3.I.1.1.1.1 Ceature ue$ in traffic teering Ceature D
Ceature Na&e
Ceature Decri%tion
RAT
BCD11313
!SCB
Thi feature ena(le + on the #T networ) S@ to acce the S@ or +@TS networ) (' uing #T 4S han$o*er or cell reelection an$ then %roce !S er*ice. Thi feature i a*aila(le onl' when the #T networ) co*er the a&e area a the S@ or +@TS networ).
7RCD020110
@ulti Creuenc' Ban$ Networ)ing @anage&ent
Thi feature ena(le &o(ilit' &anage&ent of +@TS onl' + o%erating in $ifferent (an$ (ut in the a&e co*erage area.
7RCD0201;0
nhance$ @ulti(an$ @anage&ent
Thi feature ena(le &eaure&ent-(ae$ interfreuenc' han$o*er for loa$ (alancing.
7RCD020<02
@eaure&ent Bae$ Direct Retr'
After RR! connection etu%" the RN! S@ an$ i&&e$iatel' initiate inter-freuenc' or inter- +@TS RAT &eaure&ent. n thi wa'" the RN! can +@TS onl' %erfor& the DRD accor$ing to the &eaure&ent reult i&&e$iatel' after
an$
+@TS onl'
recei*ing the RAB aign&ent fro& the !N. 7RCD020<00
DRD ntro$uction 4ac)age
Thi feature ena(le $irecte$ retr' an$ re$irection (etween a&e-co*erage interfreuenc' cell.
+@TS onl'
7RCD020<000<
Traffic Steering an$ #oa$ Sharing During RAB Setu%
Thi feature allow the RAN to coni$er the cell loa$ an$ the reuire$ er*ice t'%e $uring RAB etu%" in or$er to i&%le&ent traffic teering an$ loa$ haring (etween $ifferent freuencie or (an$.
+@TS onl'
7RCD1<022;
Cat Return fro& +@TS to #T
n a +@TS an$ #T h'(ri$ networ)" if the #T networ) $oe not u%%ort !S er*ice" a !S er*ice initiate$ on the #T networ) can (e force$ to fall (ac) to the +@TS networ) (' uing !SCB. After the !S RAB i releae$" the + that initiate$ the !S er*ice can return to the #T networ) (' uing fat return.
+@TS an$ #T
#CD00103<
!S Call(ac) to RAN
n co*erage area where S@ an$ #T S@ o*erla% (ut where #T $oe not %ro*i$e !S #T er*ice" thi feature enure that + fall (ac) to the S@ networ) to %roce !S er*ice.
#CD001033
!S Call(ac) to +TRAN
n co*erage area where +@TS an$ #T +@TS an$ o*erla% (ut where #T $oe not %ro*i$e !S #T er*ice" thi feature enure that + fall (ac) to the +@TS networ) to %roce !S er*ice.
#CD00108
-+TRAN to +TRAN !S4S Steering
Huawei eNo$eB u%%ort inter-RAT freuenc' election (ae$ on the !S4S er*ice %riorit' $uring han$o*er fro& the #T networ) to the +@TS networ).
an$
+@TS an$ #T
Thi feature reuire the following feature
!o*erage-(ae$ han$o*er fro& the #T networ) to the +@TS networ) !SCB
2.-.- pplication Thi ection $ecri(e a%%lication gui$eline for traffic teering. Thee gui$eline are &ainl' (ae$ on the $ifferent reuire&ent for *ariou feature co&(ination.
Traffic teering (etween S@ an$ +@TS networ) The 7RCD-020<02 @eaure&ent Bae$ Direct Retr' feature i ue$ for traffic teering. !urrentl'" onl' !S a$a%ti*e &ultirate =A@R> er*ice u%%ort &eaure&ent-(ae$ interRAT $irecte$ retr'. To ena(le &eaure&ent-(ae$ inter-RAT $irecte$ retr'" et the Inter8atcti!eType %ara&eter to C(<8?I%T788T.
!SCB fro& the #T networ) to the +@TS or S@ networ) 7hen there i ufficient +@TS co*erage" ena(le onl' the #CD-001033 !S Call(ac) to +TRAN feature. Thi enure that !S er*ice initiate$ on the #T networ) are force$ to fall (ac) to the +@TS networ)" there(' re$ucing $ela' an$ i&%ro*ing uer e%erience.
7hen there i S@ co*erage (ut no +@TS co*erage" ena(le (oth the BCD-11313 !SCB an$ #CD-00103< !S Call(ac) to RAN feature. Thi enure that !S er*ice initiate$ on the #T networ) are force$ to fall (ac) to the S@ networ). 7hen S@ an$ +@TS networ) co*er the a&e area" if 'ou ena(le the BCD-11313 !SCB" #CD-00103< !S Call(ac) to RAN" an$ #CD-001033 !S Call(ac) to +TRAN feature" 'ou are a$*ie$ to et %ara&eter a follow Set the Inter8atHighest$ri an$ Inter8at(econd$ri %ara&eter to 6T8% an$ 78%" re%ecti*el'. 7ith thi configuration" + in connecte$ &o$e %referentiall' fall (ac) to the +@TS networ). F
Set the IdleCs*&Highest$ri an$ IdleCs*&(econd$ri %ara&eter to 6T8% an$ 78% re%ecti*el'. 7ith thi configuration" + in i$le &o$e %referentiall' fall (ac) to the +@TS networ). F
f traffic teering i ue$ on the +@TS networ)" et the C($riority an$ $s$riority %ara&eter for the #CD-00108 -+TRAN to +TRAN !S4S Steering feature. 7ith thi configuration" + %roceing !S er*ice an$ + %roceing 4S er*ice are han$e$ o*er or re$irecte$ to $ifferent +@TS carrier. C($riority an$ $s$riority %ecif' the traffic %rioritie for !S an$ 4S er*ice" re%ecti*el'. f traffic teering i not ue$ within the +@TS networ)" configure + %roceing !S or 4S er*ice to (e han$e$ o*er or re$irecte$ to +@TS cell uing the carrier with contiguou co*erage.
Traffic teering within the +@TS networ)
1. Run the DD 6($ co&&an$ to a$$ a er*ice %riorit' grou%" which i %ecifie$ (' the (pgId %ara&eter. ach er*ice %riorit' grou% contain fi*e er*ice %rioritie" which are %ecifie$ (' the following %ara&eter
$riority(er!ice4or88T ue$ for real-ti&e R99 er*ice
$riority(er!ice4or8%8T ue$ for non-real-ti&e R99 er*ice
$riority(er!ice4orH(D$ ue$ for HSD4A er*ice
$riority(er!ice4orH(6$ ue$ for HS+4A er*ice
$riority(er!ice4or79t8a& ue$ for etenion er*ice
2. Run the DD 6C7LL(7T6$" <'D 6C7LL(7T6$ " or DD 6C7LL=6IC@(7T6$ co&&an$ to allocate a er*ice %riorit' grou% to a cell" which effecti*el' configure er*ice %rioritie for the cell. After the cell er*ice %riorit' i configure$ an$ the 7RCD-020<000< Traffic Steering an$ #oa$ Sharing During RAB Setu% feature i ena(le$" if a + accee a +@TS cell" the +TRAN $eter&ine the cell er*ice %riorit' (ae$ on er*ice %rocee$ (' the +. Then" the + atte&%t to acce a higher-%riorit' target cell (' uing $irecte$ retr'.
Cor $etail a(out how to configure neigh(oring +@TS freuencie for an #T cell" ee ection 2.2.<,A%%lication.,
crony"s and &&re!iations
2
2n$ eneration
3
3r$ eneration
-CH(D$
Cour-!arrier High S%ee$ Downlin) 4ac)et Acce
<8
a$a%ti*e &ultirate
/7
(et effort
C
!arrier Aggregation
C(
circuit er*ice
C(4/
circuit witche$ fall(ac)
D/H(D$
Dual-Ban$ High S%ee$ +%lin) 4ac)et Acce
DCH(D$
Dual-!arrier High S%ee$ Downlin) 4ac)et Acce
DCH(6$
Dual-!arrier High S%ee$ +%lin) 4ac)et Acce
D8D
$irecte$ retr' $eciion
76T8%
e*ol*e$ uni*eral terretrial ra$io acce networ)
78%
S@D ra$io acce networ)
(<
lo(al S'te& for @o(ile !o&&unication
LD8
#oa$ rehuffling
LT7
#ong Ter& *olution
@eaure&ent (ae$ $irect retr'
&o(ilit' loa$ (alancing
$(
%ac)et er*ice
=o(
ualit' of er*ice
