informatique gsm umts lte réseaux ran utran bss optimisation design 2G 3G 4G Haman Tchaido Haman Saïd

1.
FSC E2E Performance Engineering
Ericsson UTRAN Parameters
1. Purpose
This document lists all RAN parameters for Ericsson P6 release along with their reco
2. Details
2.1. Parameters sheet
2.1.1. Recommene !alues for eplo"e features# This parameter list only contai
The recommended values shown here are OM!internal values. This is done to help
applica$le can $e found from the %Parameter &escription% and the %'alid 'alues% colum
,uic- reference. olumn  shows if a parameter can $e e#ported from the O"". Not
2.1.2. Unefine Parameters# The values for parameters related to features not curr
and so an3 are shown to $e e,ual to Ericsson default values. These parameters will $
don%t have a single value for all cells are also shown as N!A.
2.1.$. Support for Parameter Compliance %ne&# olumn + shows the relative imp
most important /and hence highest weightage3 and 5 $eing least important /and henc
used) the importance is shown as N!A.
2.2. Timers an Constants sheet
This sheet lists the current values of the timer parameters as set $y Ericsson. These
re,uesting the vendor in most cases. 0n some cases) the values can $e read from the
For 'uestions on this ocument contact
Sireesha Panchagnula
sireesha.panchagnula()t*mo+ile.com
(2, $-$ 21/

2.
mended values.
ns recommendations for RAN parameters. Transport parameters are not included here
ompare with O"" e#ports. The relation $etween the OM value and the actual value
n. (here applica$le) column E provides the related feature in the Ericsson *eature +u
ll parameters can $e found in the O"" e#ports.
ently deployed /li-e 0nterfre,uency handover) 1oad "haring) "ervice $ased andover)
updated with recommended values whenever these features get deployed. Paramet
rtance of a parameter and its weightage to the Parameter compliance inde#. A value
least weightage3. *or parameters related to features that are not currently $eing conf
arameters are either system constants or hard coded values and can only $e found $
"0 messages using TEM".

3.
.
hen
ide for
"2PA
rs that
f 4 $eing
gured or

4.
!ersion Num+er Date of Change Change +"
1.0 2200 Ale3anro Aguirre
1.1 12$200
1.2 1(200-
2.0 21(200-
$.0 $1(200-
$.1 $1200-
(.0 $2200-
(.1 (2-200-
(.2 ,,200-
(.$ ,-200-
(.( ,1,200-
,.0 //200-
Sireesha
Panchagnula
Sireesha
Panchagnula
Sireesha
Panchagnula
Sireesha
Panchagnula
Sireesha
Panchagnula
Sireesha
Panchagnula
Sireesha
Panchagnula4 FSC
RF Planning4 FSC
U5TS 6ptimi7ation4
NE Regional
Planning an
Performamce an
8est Regional
Planning an
Performance
Sireesha
Panchagnula
Sireesha
Panchagnula
Sireesha
Panchagnula
Sireesha
Panchagnula

6.
9ist of changes mae
First posting to %nfo Router
Change recommene :alue of 'R&le:5in for E&ternal;S5Cell an t$212
Change :alue of ma&T&Po<erUl =E&ternal;smCell>
E&pane to inclue recommenations for all Ericsson UTRAN parameters
Correcte minor error in ?%ntrouction? ta+.
1. Com+ine E&porta+le an Une&porta+le parameters into one ta+ an ae column N to
sho< the same.
2. Change the :alue of the parameter @'ueueSelectAlgorithm@.
$. Ae column E to list the relate feature in the Feature ;uie for the parameter4 <here
applica+le.
Corrrecte the :alue for parameter @utranRelThresh$aEcno@.
Ae :alues for useFre'Thresh2Ecno an useFre'Thresh2Rscp
Refer to column @Reasons for changes +et<een Rel $.1 an Rel (.0@ for etails on changes
mae. Column ; ae to sho< relati:e importance of a parameter.
Upates after iscussion <ith NE an 8est regions. Refer to column @ Reasons for changes
+et<een Rel ( an Rel (.1@ for etails. Also populate efault :alues of parameters not uner
eplo"ment =inter fre'uenc" hano:er4 EU9 etc> +ac into the sheet.
Change :alues of utranRelThresh$aEcno an utranRelThresh$aRscp +ase on Ericsson
recommenations.
Change :alue of parameter co:erage%nicator from NA to the efault ?o:erlap?
1. change :alue of parameter emergenc"CallReirect to 04 since it <as confirme that all 9CS
noes <ere con:erte to 9+ an hence SB6 can +e use for emergenc" calls.
2. change :alue of parameter accessClassNBarre from 0 to 0404040404040404040404040404040.
$. Change :alue of parameter +ranchDiffA+sTime from *1 to *14*14*14*14*14*14*14*14*14*14*14*14*14*
14*14*14*1.
(. Change :alue of parameter +ranchDiff5easTime from 0 to
040404040404040404040404040404040404040404040
Upate for P/. %nclues P/.0 an P/.1 parameters4 ifferentiate using the column @UTRAN
:ersion@.

8.
56 Class Name Parameter Name Noe Parameter Description
2tranell used*re,Thresh7dRscp RN
Relate
Feature
%n
Feature
;uie
Threshold for event 7d for
the used fre,uency when
the measurement ,uantity
is R"P.
Note8 This parameter is
also used for calculation of
a threshold value for the
used fre,uency for 7f
events. The calculated
value is sent to the 2E in a
RR Measurement
ontrol message. 0f the
sum of the calculation
/used*re,RelThresh7fRsc
p 9
used*re,Thresh7dRscp3
e#ceeds the ma#imum
5+PP value :7;dm) the
value sent to the 2E will
$e :7;dm.
2nit8 dm
5+ to 7+
andover

9.
%mportance Data T"pe
7 E#porta$le P; long
T*5o+ile Recommene !alue
=%nternal65C :alues are sho<n>
E&porta+le
from 6SS
Reason for
change
UTRAN
:ersion
:4<7 for cells at edge of networ-
:4<; for cells at core of networ-

10.
565 Ran Recomme Ericsson Default !a Ne< Defa Recomme !ali !alu Access
:44;..:7; :4<; :4<< :4<;
Different
from
Ericsson
:alue
Read!(rit
e

11.
5anator Persistent Change T Net<or EFeature N Feature N Element Element 6SS*RC C
N = 2tran ell
New
connectio
n
+"M
andover
and ell
Reselecti
on
>optional?
0nter
*re,uenc
y
andover
and ell
Reselecti
on
>optional?
*A@ 474
4; R6
*A@ 474
<; R
Radio
Networ-!0
u$
lin-!2TRA
N
ell!Add!
Mo$ility
Radio
Networ-!0
u$
lin-!2TRA
N
ell!Prop
erties!Mo
$ility
2sed
fre,.
threshold
7d
/R"P3
2sed
fre,.
threshold
7d
/R"P3
ell and
channel
managem
ent ! ells

12.
6SS*RC CBulC5 5 BulC5 P CP% Refer %nitial Pa %nitial Tun RN 6ptimi7ation
N
used*re,
Thresh7d
Rscp
's&ata2tr
anell
used*re,
Thresh7d
Rscp
B6!4;;5:
"& 4<4
<7!6
Recomme
nded!&ef
ault
0ntermedi
ate

13.
Timer !alue set +" Ericsson
T5<< 4<C7<<< ms
N5<< ;
T5<7 ;C4<<< ms
N5<7 6
T5< 7<<< ms
N5< 7
T5<B 5< s
T5<D < ms
N5<D 4
T5< 6 s
T547 4< s
N547 4
T545 5 s
N545 4<<
T54 <
T54; <
N54; 4
T546 5< s
T54B 4D< s

14.
Classification
"ystem onstant
"ystem onstant
"ystem onstant
"ystem onstant
2E shall use the default value 7<<< ms as this parameter is not transmitted in "04
2E shall use the default value 7 as this parameter is not transmitted in "04
"ystem onstant
"ystem onstant
"ystem onstant
"ystem onstant
ard coded : seen from "0 4 message
ard coded : seen from "0 4 message
"ystem onstant
"ystem onstant
ard coded : seen from "0 4 message
ard coded : seen from "0 4 message
"ystem onstant
"ystem onstant
"ystem onstant

15.
T*5o+ile Desire !alue
47<< ms