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HUAWEI TECHNOLOGIES CO., LTD.
www.huawei.com
Strategy Optimization Report
Layering HO Parameter
Huawei Performance TeamMay 8th, 2012
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
Layering HO Parameter Setting
Parameter Setting
No. HO ParameterHO Parameter(Old Setting)
HO Parameter(New Setting)
HO Parameter(Aggresive
Setting)GSM DCS GSM DCS GSM DCS
1 ;d*e H< /. 9%=.;> Threho!d 12 1 10 10 10 10
2 ;d*e H< D. 9%=.;> Threho!d 1 20 1 18 1 14
7 #nter!ayer H< Threho!d 74 24 74 27 74 20
#nter!ayer H< Hyteri 2 2 2 2 2 2
4 Min /. Power on H< Candidate Ce!! 0 0
Min D. Power on H< Candidate Ce!! 14 14 12 12 12 12
No. HO Parameter
HO Parameter(Old Setting)
HO Parameter(New Setting)
HO Parameter(Aggresive
Setting)
GSM DCS GSM DCS GSM DCS1 Mininum -cce .e'e!
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
ra!" # $%lin& 'ntereren"e Prole
?ee$ 18 9eu!t
NE Name
GS!""# I$ %&
'GS!""# I$ (&'
GS!""# I$ ' D Cell)#* G Cell )#*
DT+ac)#*
GT+ac)#*
D TCHD+o- )#*
G TCHD+o- )#*
Im-lementLae+in/ HO
St+ate/
$SC Sli-i ''.0! 1'.'2 3.!2 0(.24# %'.1!# 2!.((# 1".'0# ''.'4# ((.(!#
$SCAt+ium 1!."" 0.(1 "."' 03.13# %4.21# 2!.3"# 1".1"# '".0(# (!.%0#
$SC5a6awali 13.%2 !.(1 %.%" 0(.!0# %'."(# 34.1%# 43.22# '0."1# (%.!3#
$SC e+ua4 1'.43 44.0% %.1" '!.34# (".4!# 20.13# 1%.21# '3.(4# (4.'!# 7ini8hed
$SCIndomo9il 11.%" 3.!' %.!1 0!.4%# %".32# 3(.(%# 4'.'2# %'.4%# 0(.32#
$SC T$S % 4%.21 %.0" 4.!4 '!.(%# (".'2# 2".2"# 1!.%"# 04."3# %3.!1#
$SC Gam9i+ 41.30 (.3% 1.31 00."1# %%.!3# 2!.%3# 1".01# 0'.%(# %(.00# 7all9ac:
$SCWi8mul4 44.'1 (.34 ".4% 0'.23# %(.11# 20."%# 1%.!2# %2.%%# 01.02#
$SC e+ua1 4".0" 1.%( 4."4 (!."0# '".!(# 02.0(# %1.%0# (".%!# '!.04# 7ini8hed
$SC$ua+an4 3.21 1.'2 ".24 ''.30# ((.4(# 2(.'!# 1'.(4# '%.11# (0.23#
$SC$ua+an% 3.14 1.(! ".42 00.02# %%.%%# 23.24# 14.1!# '%.''# (0.('#
$SCT$S4 0.10 ".21 "."! '!."0# (".!(# 0!.3!# %".44# '(.4!# ('.34#
$SC T$S ( '.2" ".1! "."4 (".13# '!.21# ''.%0# ((.0(# %'.33# 0(.41# 7ini8hed
$SC$ua+an1 '.(' 4.33 "."( '(.''# ('.('# 2%.(%# 10.'2# %3.!3# 04."1#
$SC T$S 1 %.02 ".'4 "."4 ((.%2# ''.0%# '3.!1# (4."3# %%.""# 02.""#
$SCCihuni 1.3" ".2( "."1 ((.0"# ''.("# 00.%'# %%.0'# (2.01# '1.%3# 7ini8hed
$SCT$S' 1.'! "."( "."1 ((.""# '0.""# 02."%# %1.!2# '%.33# (0.41# 7ini8hed
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7/26/2019 Layering HO Parameters Adjustment for Traffic Offloading
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
Parameter HO Parameter Des"ri%tion
Concept :
1.For GSM O to !CS : "ill be triggering b# Inter $a#er O
%.For !CS O to GSM : "ill be triggering b# &'ge O
'nter Layer Handover
$a#er O t(res(ol' a'justment
5ei*hbor ce!! criterion9ecei'e !e'e! @A!ayer H< threho!d B !ayer H< hyterei
)riggering
Ta+/et cell ;Lae+ o< the Ta+/et cell i8 lowe+ than the 8e+=in/ cell.
5ecei=e le=el o< the Ta+/et cell > 'nter *layer "ell t+res+old , 'nter*layer "ell +ysteresis.
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
Parameter HO Parameter Des"ri%tion
-DG- Handover
Ed/e HO C+ite+ion;In N 8econd8, when the+e a+e ? 8econd8 that the DL o+ UL 8i/nal le=el i8 lowe+ than
the -dge HO t+res+old, Then the c+ite+ion i8 met and Ed/e HO occu+8.
5e@ui+ement8
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7/26/2019 Layering HO Parameters Adjustment for Traffic Offloading
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Layering HO Parameter * Old Settings
GSM Co'era*e
DCS Co'era*e
GSM to DCS
#nter .ayer H< criteria for er'in* ce!! in theadutment tate
GSM EA FF d)m 6DCS mi*ht be 8 d)m
#nter !ayer wi!! tri**erin* when
DCS EA 87 d)m
The ;DG; H< wi!! tri**erin*
-t thi (oint GSM mi*ht be 87 d)m
conider ti!! *ood i*na! tren*th
DCS EA 87 dBm
DCS to GSM
DCS EA &0 dBm
GSM band a((ro%imate!y tron*er
than DCS and F d)m"
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7/26/2019 Layering HO Parameters Adjustment for Traffic Offloading
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
GSM Co'era*e
DCS Co'era*e
GSM to DCS
#nter .ayer H< criteria for er'in* ce!! in theadutment tate
GSM EA FF d)m 6DCS mi*ht be 8 d)m
#nter !ayer wi!! tri**erin* when
DCS EA 84 d)m
The ;DG; H< wi!! tri**erin*
-t thi (oint GSM mi*ht be 84 d)m
conider ti!! *ood i*na! tren*th
DCS EA 84 dBm
DCS to GSM
DCS EA &2 dBm
GSM band a((ro%imate!y tron*er
than DCS and F d)m"
New Layering HO Parameter * Normal Settings
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7/26/2019 Layering HO Parameters Adjustment for Traffic Offloading
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
New Layering HO Parameter * Aggressive Settings
GSM Co'era*e
DCS Co'era*e
GSM to DCS
#nter .ayer H< criteria for er'in* ce!! in theadutment tate
GSM EA FF d)m 6DCS mi*ht be 8 d)m
#nter !ayer wi!! tri**erin* when
DCS EA 88 d)m
The ;DG; H< wi!! tri**erin*
-t thi (oint GSM mi*ht be 88 d)m
conider ti!! *ood i*na! tren*th
DCS EA 88 dBm
DCS to GSM
DCS EA &4 dBm
GSM band a((ro%imate!y tron*er
than DCS and F d)m"
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7/26/2019 Layering HO Parameters Adjustment for Traffic Offloading
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
MSC Meruya/0 1P'
2esult
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7/26/2019 Layering HO Parameters Adjustment for Traffic Offloading
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HUAWEI TECHNOLOGIES Co., Ltd. HUAWEI Confdential
Meruya/0 * HO Causes
O Causes !istribution
5elation
Sum o