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HUAWEI TECHNOLOGIES CO., LTD.
Intelligent Frequency
Optimization System
Huawei TechnologiesHuawei Technologies
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Difficulties in Planning by Simulation
!"ge 2
Indoor Sites
Indoor sites is moreimportant in someareas.
It is very difcult tomake requency plan bysimulation or indoorsites.
ParametersConguration
Variousparametersconguration,any impropersetting ill
lead to loqualityrequencyplan.!rafc "odel
Subscriber activityis di#erent o eac$user, cell, area, city.
!rafc "odelcannot describe t$e
activity osubscriber o realnetork com letel .
%igital "ap&e buildings appearevery day in some cities.
It is impossible to obtaina digital map same it$t$e city completely.
Propagation "odelIt s$ould be correctedby every city andscenario.
!$ere is t$eoretic 'd(error even allpropagation models
$ave been correctedrig$tly.
Difficult to make
frequency plan bysimulation for a
developing network.
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!"ge #
BTS
BS
!" !" !"
BS i!anager !#$$$
&eedn)tPropagation "odel
&eedn)t%igital "ap
&eedn)t!rafc "odel
&eedn)t
Consider o IndoorSites
&o!$eoretic *rror
+ealSubscriber eeling
Frequency Planning Through !" Data ollection
"+s data collected based requency planning leads to cost
a#ective - more accurate solution.
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I$OS %I&tellige&t Fre'(e&)* O+tii-"ti& S*ste/ is H("ei devel+ed tl hi)h r1ed & the
"sis 3 A$! %A(t"ti) $re'(e&)* !l"&&i&g/, T"1es the &etr1 re"l tie 4Rs d"t" "s i&+(t t
ge&er"te the st "33e)tive $re'(e&)* +l"&.
H("ei I$OS 3re'(e&)* re5+l"&&i&g servi)e is "sed & the 4R d"t" )lle)ti& "&d "&"l*sis 3 the
s(s)riers 3r the e6isti&g &etr1. The i&ter3ere&)e "tri6 is (sed t ge&er"te " &etr1 del,
hi)h is est 3r the e6isti&g &etr1 3r the e&tire &etr1 3re'(e&)* +tii-"ti&. This servi)e )"&
red()e the i&tr"5&etr1 i&ter3ere&)e "&d i+rve the vi)e '("lit* "&d )(ster e6+erie&)e
%&'antages7 E33e)tivel* i+rve the (tili-"ti& 3 &etr1 3re'(e&)* res(r)es t s(++rt s(st"i&"le &etr1
devel+e&t.
7 Red()e i&tr"5&etr1 i&ter3ere&)es "&d i+rve vi)e '("lit* * re5+l"&&i&g 3re'(e&)ies t
e&h"&)e the r"&d )+etitive&ess.
7 I+rve the e33i)ie&)* 3 3re'(e&)* +tii-"ti& "&d e&h"&)e the "))(r")* "&d r"ti&"lit* 3
3re'(e&)* +l"&&i&g thr(gh 4R d"t" "&"l*sis "&d I$OS !l"t3r.
7 Reslve the i&tr"5&etr1 i&ter3ere&)e )"(sed * i+r+er 3re'(e&)* +l"&&i&g r str"teg*, i+rve
the vi)e '("lit* "&d i&)re"se s(s)rier s"tis3")ti&.
!"ge 8
Huawei( %FP Solution)IFOS
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!"ge 9
IFOS *or+ Flow
Microsoft Oce
Excel Worksheet
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!"ge :
Complaint analysis
Traffic statistics RQI
analysis
RxQual analysis
C/I and coverage
simulation evaluation
DT test evaluationGoal:
The evaluation data can be used as the basis and reference
for re planning freuencies service!
"et#or$
%arameters
Collection
"et#or$ &R
Data Collection
'reuency
Re(planning
"et#or$
)valuation
*ttention:
*ll the test method and +%I formula adopted during
"et#or$ ,erification period should be the same #ith this
period!
"et#or$
,erification
+ ptimi/ation
+
optimi/ation
,etwor+ -'aluation
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"eighbor Cell
Information
)ngineering
%arameters
"et#or$
Configuration
*vailable Resource
Information
Goal:
Chec$ the available freuency and site
configuration!
*ttention:
&a$e sure the )ngineering %arameters are
consistent #ith the existing net#or$!
"et#or$
%arameters
Collection
"et#or$
)valuation
"et#or$ &R
Data Collection
'reuency
Re(planning
+
ptimi/ation "et#or$
,erification
,etwor+ Parameters ollection
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"eighbor list
optimi-ation
.vershootingoptimi-ation
Co(0IC 1 Co(
CC2
optimi-ation
Goal:
Distance the Co(CC2 1 Co(0IC cells
from each other
Resolve the overshooting issue
.ptimi-e the neighbor list
*ttention:
Collect &R data after the optimi-ation of
Co(0IC 1Co(CC2
"et#or$
%arameters
Collection
"et#or$
)valuation
"et#or$ &R
Data Collection
'reuency
Re(planning
+
ptimi/atio
n
"et#or$
,erification
"F Optimization
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All Rights Reserved HUAWEI TECHNOLOGIES CO., LTD. 200!"ge )ell & "ir i&s(33i)ie&t 4R d"t" > i+re)ise
I4%i&ter3ere&)e "tri6/
2 ?CCH di3i)"ti& i+re)ise I4%i&ter3ere&)e "tri6/
# ?SIC di3i)"ti& i+re)ise I4%i&ter3ere&)e "tri6/
8 TR@ !er di3i)"ti& i+re)ise I4%i&ter3ere&)e "tri6/
9 Sites>Cells (t 3 servi)ei&s(33i)ie&t 4R d"t" > i+re)ise
I4%i&ter3ere&)e "tri6/
: Cell A-i(th i+re)ise I4%i&ter3ere&)e "tri6/
A&te&&" Tilt i+re)ise I4%i&ter3ere&)e "tri6/
;!"r"eters i&vlved i& )ver"ge
>"))ess>h"&dver R6 lev threshldi+re)ise I4%i&ter3ere&)e "tri6/
< Cell e6+"&si&i&s(33i)ie&t 4R d"t" > i+re)ise
I4%i&ter3ere&)e "tri6/
=0 Add>Delete &eighr )ell Rel"ti&shi+s i+re)ise I4%i&ter3ere&)e "tri6/
0bove mentioned activities $ave adverse a#ect on I" generation.
Service a#ecting 0larms - site1cell level outages ill a#ect t$e genuine
cell to cell overlaps - C1I relation.
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!$anks2