dual band network handover algorithm mapping
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8/11/2019 Dual Band Network Handover Algorithm Mapping
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Huawei Confidential
Dual band network handoveralgorithm mapping
8/11/2019 Dual Band Network Handover Algorithm Mapping
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1
•ALU netwo rk cel l type is single,
no layer is div ided.
•ALU enable the preferred band
handov er algor i thm (cause
21),and the preferred band is
DCS1800.
•After swap,Huawei set the
GSM900 layer3,the DCS1800layer2.
Dual band handover algorithm comparison
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2 Page2
Serving Cell Neighboring Cell
[TA Threshold](s)
Time
TA(s)
HandoverTriggering
[TA Threshold](n)
or
Handover Triggering ZoneTA(n)
TA HO parameters mapping result:
TA handover algorithm mapping
Huawei TA HO is triggered when:
Actual TA >= [TA Threshold](s).
Candidate cell (except the
serving cell) exists and available.
HW Parameter
NameParameter ID
ALCATEL B10-
Parameter
ALCATEL B10-Parameter Mapping
Formula
TA HO Allowed TAHOEN
HO_INTERCELL_ALLOW
ED/
enableOptHandoverProce
ssing.enableMSDistanceP
rocess
If HO_INTERCELL_ALLOWED=ENABLE
and
EnableOptHandoverProcessing={xxx,enabl
eMSDistanceProcess},Huawei=YES,else,Huawei=NO.
TA Threshold TALIMIT hoThresholdDistParam.mSRangeMax.timeadv Huawei=Alcatel
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Serving CellNeighboring Cell
Huawei UL/DL Bad Quality HO is
triggered when:
To AMR: Actual Interference >=
Emergent AMR Qual Threshold.
To Non-AMR: Actual
Interference >= Emergent Qual
Threshold.
RX_LEV_DL (n) > RX_LEV_DL
(s)+ Inter-cell HO hysteresis(s->n)
-BQ HO Margin(s->n).
Candidate cell exists and
available.
BQ handover algorithm mapping
Parameter Name Parameter ID ALCATEL B10-ParameterALCATEL B10-Parameter Mapping
Formula
BQ HO Allowed BQHOENHO_INTERCELL_ALLOWED/
EN_RXQUAL_UL
If HO_INTERCELL_ALLOWED=ture&eN-
RXQUAL-UL=ture,Huawei=YES,else,Huawei=NO
DL Qual.Threshold DLQUALIMIT
HoThresholdQualParam.rxQua
lDL/
hoOffsetQualParam/
InactiveHoppingType
If InactiveHoppingType=noHopping,【DL
Qual.Threshold】=HoThresholdQualParam.rxQualDL;else,【DL
Qual. Threshold】=HoThresholdQualParam.rxQualDL+hoOffsetQual
Param
UL Qual.Threshold ULQUALIMIT
HoThresholdQualParam.rxQua
lUL/
hoOffsetQualParam/
InactiveHoppingType
If InactiveHoppingType=noHopping,【UL Qual.
Threshold】=HoThresholdQualParam.rxQualUL;else,【UL Qual. Threshold】
=HoThresholdQualParam.rxQualUL+hoOffsetQual
Param
DL Qual.Limit for AMR FRDLQUALIMITAMRF
R
L_RXQUAL_DL_H_AMR/hoOffsetQualParam/
InactiveHoppingType
If InactiveHoppingType=noHopping,【DL
Qual.Limit for AMR FR】=L_RXQUAL_DL_H_AMR;else,【DL Qual.Limit
for AMR FR】
=L_RXQUAL_DL_H_AMR+hoOffsetQualParam
DL Qual.Limit for AMR HRDLQUALIMITAMRH
R
L_RXQUAL_DL_H_AMR/
hoOffsetQualParam/
InactiveHoppingType
If InactiveHoppingType=noHopping,【DL
Qual.Limit for AMR HR】
=L_RXQUAL_DL_H_AMR;else,【DL Qual.Limit
for AMR HR】
=L_RXQUAL_DL_H_AMR+hoOffsetQualParam
UL Qual.Limit for AMR FRULQUALIMITAMRF
R
L_RXQUAL_UL_H_AMR/
hoOffsetQualParam/
InactiveHoppingType
If InactiveHoppingType=noHopping,【UL
Qual.Limit for AMR FR】
=L_RXQUAL_UL_H_AMR;else,【UL Qual.Limit
for AMR FR】=L_RXQUAL_UL_H_AMR+hoOffsetQualParam
UL Qual.Limit for AMR HRULQUALIMITAMRH
R
L_RXQUAL_UL_H_AMR/
hoOffsetQualParam/
InactiveHoppingType
If InactiveHoppingType=noHopping,【UL
Qual.Limit for AMR HR】=L_RXQUAL_UL_H_AMR;else,【UL Qual.Limit
for AMR HR】
=L_RXQUAL_UL_H_AMR+hoOffsetQualParam
BQ HO parameters mapping result:
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4
Serving Cell Neighboring Cell
126dB 119dB
126-119=7dB>5dB
PBGT HOThreshold
Time
Path Loss (dB)
5
HandoverTriggering
P / N
P: Watch Time
N: Valid Time
Huawei PBGT HO is triggered when:
Path loss (s) –
Path loss (n) > PBGTHO Threshold (s->n) and 16bits(n) <16bits (s) following P/N rules
Layer & level (n) = Layer & level (s)
Candidate cell exists and available
PBGT handover algorithm mapping
Parameter Name Parameter ID ALCATEL B10-Parameter ALCATEL B10-Parameter Mapping Formula
PBGT HO Allowed PBGTHOEN
HO_INTERCELL_ALLOWED
/
EnableOptHandoverProcessi
ng.enablePwrBudgetHandov
er
IF HO_INTERCELL_ALLOWED=ENABLE and
EnableOptHandoverProcessing={enablePwrBudgetHa
ndover ,xxx},Huawei=YES,else,Huawei=NO.
PBGT HO
ThresholdPBGTMARGIN
HoMargin(0,n)/
hoMarginAlcatelInnerOffset【PBGT HO Threshold】=HoMargin(0,n)+hoMarginAlcatelInnerOffset+64
PBGT HO parameters mapping result:
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