LCG Dimensioning Fundamentals
Short Description
LCG Fundamentals on desing...
Description
Local Cell Grouping fundamentals
For internal use
Disclaimer $%is s#ide set shall not e considered as an officia# feature descri&tion nor 'S &erformance document* ## references references to t%ose detai#s in t%is document are for "our con+enience con+enience on#" and s%a## e dou#e,c%ecked from res&ecti+e customer documents efore an" quotations*
This document is not a RAN Dimensioning Dimensioning Guide. All capacity capacity values and performance figures in this document shall be verified from CD!A RAN RAN documentation.
For internal use
"aseband Dimensioning fundamentals Table of Contents
1
!oca# -e##s .rou&in
2
requenc" &oo#in
3
Sector ased &oo#in
-%anes in &oo#in
oo#in recommendations for 343435 2 S6s re#*2 site
Local Cell Grouping #"" pooling$
For internal use
Local Cell Grouping
!ain !enu
Description
•
!oca# -e## .rou&in a##ows s&#ittin a+ai#a#e aseand ca&acit" into aseand &oo#s res&onsi#e for &rocessin traffic from dedicated rou& of ce##s*
•
!oca# -e## .rou&in ma" e needed in case of $Ss wit% man" ce##s5 and can e used in 6u#ti 7&erator 8N (678N) case*
•
9%en !oca# -e## .rou&in is done : a+ai#a#e $S ca&acit" is s&#it amon !-. accordin to $S commissionin settins* aseand a##ocation to !-. is constant (recommissionin is needed to c%ane !-. resources)*
•
9it% &ure '9 re#*2/re#*3 (8 4 S6) a sin#e !-. co+ers u& to twe#+e ce##s* 'owe+er5 w%en ,wa" 8; di+ersit" is used5 u& to si; ,wa" 8< di+ersit" ce##s can e dedicated to one !-.*
•
$%e o&erator %as a &ossii#it" to define !o ca# -e## .rou&s in one of t%e two different wa"s= : requenc" #a"er ased L : Sector ased LCG( C G '
LCG%
LCG&
Fre)uency "" pooling
For internal use
Fre)uency "" pooling
!ain !enu
Description
•
If frequenc",#a"er,ased !-. commissionin was se#ected5 t%en a## ce##s from frequenc" #a"er(s) must e dedicated to t%e same !oca# -e##*
•
U& to !-.s can e created wit% &ure '9 re#*2/re#*3 (8 4 S6) case*
•
9%en at #east one '9 re#*1 is used (8 or S6) t%en u& to 2 !-.s can e created (ma; ? ce##s &er !-.)* In t%is case fi*ed aseand &oo#in is &ossi#e : sin#e !-. co+ers w%o#e ca&acit" of sin#e S"stem 6odu#e (e** !-.1= S6DA !-.2= S6>)
•
9it% &ure '9 re#*2/re#*3 confiuration : fle*ible &oo#in is &ossi#e i*e t%e ca&acit" can e free#" dedicated amon !-.s (o&erators) " definin in commissionin t%e Access Baseband Capacity &arameter* !-.1=f1 !-.2=f2 RF modules LCG(
>;em&#ar" $S confiuration wit% f#e;i#e aseand &oo#in
Fre)uency "" pooling
!ain !enu
Description
Fi*ed "" pooling #e.g. RF rel.' used$
!-.1
!-.2
S6 re#*2
S6 re#*2
Fle*ible "" pooling #pure , rel.(-rel.% configuration$
!-.1
S6 re#*2
!-.1
!-.2
S6 re#*2
Commissioning parameter Access baseband capacity is used to define LCGs baseband capacity
Fre)uency "" pooling
!ain !enu
Re)uirements
Fre)uency baseband pooling re)uirements •
9%o#e frequenc" #a"er must e a##ocated to i+en !-.
•
ure '9 re#*2/re#*3 required f or f#e;i#e aseand &oo#in
"enefits-constrains •
'S on ot% S"stem 6odu#es wit% more t%an one !-.
•
!-. aseand ca&acit" can e adFusted accordin to !-. need (f#e;i#e aseand &oo#in &ossi#e wit% '9 re#*2/re#*3 on#" $S)
•
6ore 'SU sc%edu#ers (one 'SU sc%edu#er &er !-.)
•
D-,'SD &ossi#e on#" w%en ot% D- carriers e#on to same !-.*
+ector based pooling
For internal use
+ector based pooling
!ain !enu
Description
G
In 8U30>25 o&erator %as a &ossii#it" to define !oca# -e## .rou&s in one of t%e two different commissionin modes= G Fre)uency layer based (traditiona# wa" , w%o#e frequenc" #a"er dedicated to !-.)A G +ector based (w%o#e frequenc" #a"er or &art of frequenc" #a"er dedicated to !-.)
f1 f2 f3 f
>;am&#e of requenc" ased &oo#in
RF modules
>;am&#es of Sector ased &oo#in
RF modules LCG(
LCG(
>ffect of usin sector ased &oo#in mi%t e t%e same as usin frequenc" ased &oo#in
+ector based pooling
!ain !enu
Re)uirements
+ector based pooling re)uirements •
$wo S"stem 6odu#es re#*2 or S"stem 6odu#e re#*3 (or S6 re#*3 4 S6 re#*2)
•
ure 8e#*2/8e#*3 '9 $S confiuration (8 4 S6)
/0 T1o LCGs are created. For each +ystem !odule rel.( separate LCG is created. ith +ystem !odule rel.% up to ( LCGs can be created. D ' S D ( )
LCG'
F+! rel.(
LCG(
F+! rel.(
S6 re#*2 4 S6 re#*2 (sector ased &o##in)
LCG(
F+! rel.%
S6 re#*3 (sector ased &o##in)
"enefits-constrains •
'S on ot% S"stem 6odu#es wit% 2 !-.s
•
6ore 'SU sc%edu#ers (one 'SU sc%edu#er &er !-.) and aseand ca&acit" for 'S traffic
•
DC/,+D2A possible #DC sectors split bet1een LCGs$ Increase soft %ando+er factor
•
3pcoming changes in baseband pooling
Local Cell Grouping
!ain !enu
Description
G$%e o&erator %as a &ossii#it" to define ! oca# -e## .rou&s in one of t%e two different wa"s= '
requenc" ased
f1 f2 f3 f
#e;i#e aseand a##ocation / i;ed a##ocation due to '9 re#*1
New name and new ca&ai#ities
f1 f2 f3 f 9%o#e carrier dedicated to !-.
ure '9 re#*2/3 ,H #e;i#e &oo#in t #east one '9 re#*1 ,H i;ed &oo#in
2
-arrier s&#it etween !-.
t #east one S6 re#*1 ,H i;ed &oo#in t #east one 8 modu#e re#*1,H i;ed &oo#in ( ma; 2 !-.s) ure '9 re#*2/3 $S ,H #e;i#e aseand &oo#in
Sector ased
i;ed aseand a##ocation New name
2 ; S6 re#*2 required 4 8 mod re#*2/3,H i;ed &oo#in
2 ; S6 re#*2 required 4 8 mod re#*2/3,H i;ed &oo#in
Local Cell Grouping
!ain !enu
Description
requenc" #a"er ased
#e;i#e aseand a##ocation / i;ed a##ocation due to '9 re#*1
'
f1 f2 f3 f
f1 f2 f3 f
LCG' LCG(
New name and new ca&ai#ities
t #east one S6 re#*1 ,H i;ed &oo#in and w%o#e ce##s from i+en fr equenc" assined to !-.
ure '9 re#*2/3 ,H #e;i#e &oo#in t #east one '9 re#*1 ,H i;ed &oo#in
t #east one 8 modu#e re#*1,H i;ed &oo#in ut ce##s free#" assined to !-.s ure '9 r e#*2/3 $S ,H #e;i#e aseand &oo#in and ce##s f ree#" assined to !-.s
2ure +! rel.(-% "T+ Fre)uency layer might be split among LCGs 44
hole fre)uency layer must belong to LCG
$aret dates=
S6 re#*2
S6 re#*3
8U30= 9N@*0 2*3 8U0= 9NB*0 3*0
8U0= 9NB*0 2*0
New namin wi## e introduced in furt%er re#eases ,H 9NB*0 3*0 (current &#an)
Local Cell Grouping
!ain !enu
Description
2
Sector ased
i;ed aseand a##ocation New name
2 ; S6 re#*2 required 4 8 mod re#*2/3,H i;ed &oo#in S6 re#*3 su&&ort &#anned in 8U0>1 ,H i;ed &oo#in (S6 / / )
2 ; S6 re#*2 required 4 8 mod re#*2/3,H i;ed &oo#in S6 re#*3 su&&ort &#anned in 8U0>1 ,H i;ed &oo#in (S6 / / )
No changes in the functionality
$aret dates=
S6 re#*2
S6 re#*3
8U30= 9N@*0*2*3 8U0= 9NB*0*3*0
8U0>1
R3%5 Access to "" capacity 6*ample LCG scenarios for %7%7% sites and (* +! rel.(
For internal use
+cenario '
) ( D S ' D
%7%7%8 ( LCGs 95:-%5:8
f' f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
,+D2A#f'8f($
LCG(
,+32A#f'8f($
F+!6 7 F+!6
DC, #f'8 f( $
'; subunits
DC,#f%$ ADC,#f%$
,+D2A#f%$
,+32A#f%$
'9 subunits S61Sc%1 12 users/$$I5
%= subunits in total
S6> 4 S6> JH 3 suunits in tota# !-.1 J @0K5 !-.2 J 30K 6S6 J 1B (!-.1) 5 >S6 J ?(!-.1) 4 11(!-.2) ,+D2A#f' 7 f($
DC, #f'7f($
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S62Sc%1 12 users/$$I5
+cenario (
) ( D S ' D
%7%7%8 ( LCGs >>:-%&:8
f' f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
,+D2A#f'8f($
LCG(
,+32A#f'8f($
F+!6 7 F+!6
DC, #f'8 f( $
'; subunits
DC,#f%$ ADC,#f%$
,+D2A#f%$
,+32A#f%$
'9 subunits S61Sc%1 12 users/$$I5
%= subunits in total
S6> 4 S6> JH 3 suunits in tota# !-.1 J ??K5 !-.2 J 3K 6S6 J 1B (!-.1) 5 >S6 J (!-.1) 4 12(!-.2) ,+D2A#f' 7 f($
DC, #f'7f($
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S62Sc%1 12 users/$$I5
+cenario %
) ( D S ' D
%7%7%8 ( LCGs >=:-%=:8
f' f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
,+D2A#f'8f($
LCG(
,+32A#f'8f($
F+!6 7 F+!6
DC, #f'8 f( $
'; subunits
DC,#f%$ ADC,#f%$
,+D2A#f%$
,+32A#f%$
'9 subunits S61Sc%1 12 users/$$I5
%= subunits in total
S6> 4 S6> JH 3 suunits in tota# !-.1 J ?K5 !-.2 J 3K 6S6 J 1B (!-.1) 5 >S6 J (!-.1) 4 13(!-.2) ,+D2A#f' 7 f($
DC, #f'7f($
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S62Sc%1 12 users/$$I5
+cenario &
) ( D S ' D
%7%7%8 ( LCGs 95:-%5:8
f' f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
,+D2A#f'8f($
LCG(
,+32A#f'8f($
F+!D 7 F+!D
DC, #f'8 f( $
'' subunits
DC,#f%$ ADC,#f%$
,+D2A#f%$
,+32A#f%$
'5 subunits S61Sc%1 12 users/$$I5
(' subunits in total
S6D 4 S6D JH 21 suunits in tota# !-.1 J @0K5 !-.2 J 30K 6S6 J 11 (!-.1) 5 >S6 J (!-.1) 4 ?(!-.2) ,+D2A#f' 7 f($
DC, #f'7f($
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S62Sc%1 12 users/$$I5
+cenario =
) ( D S ' D
%7%7%8 ( LCGs >9:-%%:8
f' f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
,+D2A#f'8f($
LCG(
,+32A#f'8f($
F+!D 7 F+!D
DC, #f'8 f( $
'' subunits
DC,#f%$ ADC,#f%$
,+D2A#f%$
,+32A#f%$
'5 subunits S61Sc%1 12 users/$$I5
(' subunits in total
S6D 4 S6D JH 21 suunits in tota# !-.1 J ?@K5 !-.2 J 33K 6S6 J 11 (!-.1) 5 >S6 J 3(!-.1) 4 @(!-.2) ,+D2A#f' 7 f($
DC, #f'7f($
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S62Sc%1 12 users/$$I5
+cenario >
) ( D S ' D
%7%7%8 ( LCGs >=:-%=:8
f' f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
,+D2A#f'8f($
LCG(
,+32A#f'8f($
F+!D 7 F+!D
DC, #f'8 f( $
'' subunits
DC,#f%$ ADC,#f%$
,+D2A#f%$
,+32A#f%$
'5 subunits S61Sc%1 12 users/$$I5
(' subunits in total
S6D 4 S6D JH 21 suunits in tota# !-.1 J ?K5 !-.2 J 3K 6S6 J 11 (!-.1) 5 >S6 J 2(!-.1) 4 B(!-.2) ,+D2A#f' 7 f($
DC, #f'7f($
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S62Sc%1 12 users/$$I5
+cenario 9
) ( D S ' D
%7%7%8 ( LCGs 95:-%5:8
f' f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
,+D2A#f'8f($
LCG(
,+32A#f'8f($
F+!6 7 F+!D
DC, #f'8 f( $
';subunits
DC,#f%$ ADC,#f%$
,+D2A#f%$
,+32A#f%$
'5 subunits S61Sc%1 12 users/$$I5
(; subunits in total
S6> 4 S6D JH 2B suunits in tota# !-.1 J @0K5 !-.2 J 30K 6S6 J 1B (!-.1) 5 >S6 J 1(!-.1) 4 E(!-.2) ,+D2A#f' 7 f($
DC, #f'7f($
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S62Sc%1 12 users/$$I5
+cenario ;
) ( D S ' D
%7%7%8 ( LCGs >9:-%%: or >=:-%=:
,+D2A#f'8f($
f( f%
LCG'
ADC, #f'8f($ 7 DC, #f'8f($
f'
LCG(
,+32A#f'8f($
ADC, #f%$ 7 DC, #f%$
,+D2A#f%$
,+32A#f%$
F+!6 7 F+!D ';subunits
'( subunits S61Sc%1 12 users/$$I5
%5 subunits in total
S6> 4 S6D JH 30 suunits in tota# !-.1 J ?@K5 !-.2 J 33K (or !-.1 J ?K5 !-.2 J 3K) 6S6 J 1B (!-.1) 5 >S6 J 12(!-.2) ,+D2A#f' 7 f($
,+D2A#f%$
,+32A#f'7f($
,+32A#f%$
ADC, #f'8f($ 7 DC, #f'8f($
ADC, #f%$ 7 DC, #f%$
S61Sc%2 B users/$$I5
f'
Tcell < 5
Tcell < '
Tcell < %
f(
Tcell < 5
Tcell < '
Tcell < %
f%
Tcell < 5
Tcell < '
Tcell < (
+!'
+!(
S62Sc%1 12 users/$$I5
+ummary
+cenario ?D
"T+ configuration
LCG' !+! #,+2A 7 A/ DC, 7 DC,$
LCG' 6+! #DC,$
LCG( 6+! #,+2A 7 ADC, 7 DC,$
1
S6> 4 S6>
1B
?
11
2
S6> 4 S6>
1B
12
3
S6> 4 S6>
1B
13
S6D 4 S6D
11
?
S6D 4 S6D
11
3
@
?
S6D 4 S6D
11
2
B
@
S6> 4 S6D
1B
1
E
B
S6> 4 S6D
1B
,
12
Than@ you
For internal use
Net1or@ planning parameters Access baseband capacity Abbreviated name
access-a&acit"
2arameter name
ccess aseand ca&acit"
Data type
K
Description
Defines t%e !-.s access to aseand -a&acit" from 0 to 100K for '9 re#*2/'9 re#*3 $S (S6 and/or 8 modu#es) confiuration* arameter defines &ro&ortion of ca&acit" a+ai#a#e for eac% !-.* #e;i#e aseand &oo#in is not &ossi#e w%en at #east one '9 re#*1 is used (S6 or 8 modu#e)*
2arameter group
,
Classification
!->!.9
Range and step
0 , 100
Default value
0 Access baseband capacity : LCG'B :LCG(
Access baseband capacity : LCG'B :LCG(
LCG '
LCG (
F+!6
LCG '
F+!6
LCG (
F+!6
Note To support Fle*ible "" poolingE , rel.(-, rel.% configuration is needed #+ystem !odules and RF !odules$
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