16) Detailed - GPRS and EGPRS Features

7/21/2019 16) Detailed - GPRS and EGPRS Features

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Sales Training BR 7.0

July 2003

Features: GPRS and EGPRS



– – – © Siemens, 2003

Support of S!3 and S!"

Present situation

S!# or S!2 a$aila%le

Gross &ata Rate ' Slot

S!#: ()0* +,%it's-

S2: #3.2 +,%it+s-



– – – © Siemens, 2003


Feature Content

Support of all oding s/ees +S#!S"-

Ena%ling per ell

1e Gross &ata Rates: CS-3: 15.6 kbit/s

CS-4: 21.4 kbit/s

Reuires ore t/an one #4 ,%it's tie slot on 5%is

reuires BS!upgrade +PP66 %oard- dynai 5%is!Feature also applia%le for BTS #



– – – © Siemens, 2003


Radio TS it/ S3) S" reuires 2 5%is Su%slot at #4 ,%it's S3) S" ena%ling reuires ne onatenated P8 fraes

S2) S3) S" using onatenated P8 fraes reuires 2 5%is su%slots

CodingSchemes

CS 1 (.0* ,%it's

CS 2 #3." ,%it's

CS 3 #*.4 ,%it's

CS 4 2#." ,%it's

Gross Data rate / slotnr 9#4,%it 5%is TS

1o S3'" ena%led

nr 9#4,%it 5%is TS

S3'" ena%led

#

#

#

2

2

2



– – – © Siemens, 2003


Operator Beneft

High data throgh!t !er "hanne#

Com!#etion o$ the %&'S $n"tiona#it(

)!timi*ed sage o$ radio resor"es

# tieslot instead of 2 needed



– – – © Siemens, 2003


User Beneft

+e m#timedia a!!#i"ations i## make mobi#e data more

attra"tie

m!roed !er$orman"e $or the end ser ! to 60



– – – © Siemens, 2003

;ultiple<ing of GPRS and EGPRS on t/e sae TS

Present Situation

GPRS and EGPRS users annot %e ultiple<ed on t/e sae

TS

Feature Content GPRS and E!GPRS an %e ultiple<ed on t/e sae TS %y

using 8SF

Ea/ o%ile /as to deode t/e 8= state flag

t/e netor, ust use G;S>+i.e standard GPRS or ;S!# to ;S!"-



– – – © Siemens, 2003

;ultiple<ing of GPRS and EGPRS on t/e sae TS

Customer beneft no separate resoures for GPRS and E!GPRS are reuired

redue ople<ity in netor, planning ati$ities

E&GE

GPRS



– – – © Siemens, 2003

E&GE apaity Siulations:

Perforane depends on:

P&?s on B?!TR6 or non!B?!TR6 +#0!(*@ =oad-

Freueny Reuse Planning of t/e TR6 ' Freueny ?opping Syste

Traffi ;odel and Pa,et all Aolues

;S Perforane) e.g. ;ultislot lass) Reei$er Perforane

=in, 5daptation ' nreental Redundany Perforane

BSS espeially P&? =oad +;ultiple<ing-

TP ' P effets li,e slo start) et.

;S Reei$er Perforane and nreental Redundany ;eory


http://slidepdf.com/reader/full/16-detailed-gprs-and-egprs-features 10/44– – – © Siemens, 2003

FTP'?TTP &onload Perforane o$er TP'P for GPRS and E&GE +good Radio onditions-

010

20

30

40

50

60

0

0

0

100

110

120

130

140

150

160

10

10

10

200

210220

230

0 100 200 300 400 500 600 00 00 00 1000 1100 1200 1300 1400 1500 1600 100 100 100 2000

File SiCe in ,Byte

T / r o u g / p u t i n

, % p s

%&'S CS1-4, 4 S 7S, 8S 9 12 1460 ;(te <=%< 7CS1-, 2 S 7S, 8S 9 12 1460 ;(te <=%< 7CS1-, 4 S 7S, 8S 9 25 1460 ;(te

E&GE: 5ppliation T/roug/put o$er TP'P

depending on &ata Aolue

7*,%ps it/

GPRS " TS ;S

##0,%ps it/

E&GE 2 TS ;S

200,%ps it/

E&GE " TS ;S

E&GE 2 TS ;S offers "0@ ore t/roug/put t/an GPRS " TS ;S

utiliCing only D of t/e Radio Resoures



Previous situation

Fi<ed oding S/ee

1ot /angea%le it/in a all

S!# or S!2 a$aila%le

=in, 5daptation



E&GE +En/aned &ata Rate for GS; E$olution- and S3'S"

pro$ide /ig/ speed o%ile radio aess

( ;odulation oding S/ee +;S# to ;S(- for E&GE

most !rote"ted 7CSs hae #o inde> e.g., 7CS1 data rate .

#ess !rote"ted 7CSs hae high inde> e.g., 7CS data rate 5.2

R= layer operation odes

a"kno#edged ith retransmission

no a"kno#edged ithot retransmission= i n , a d a p t a t i o n a l g o r i t

/ 0

=in, 5daptation



Feature Content

5ording to t/e radio uality:

&ynai seletion of t/e oding s/ee

En$elope

don and upgrading proedures are supported at t/e %eginningand during TBF

Radio uality deri$ed fro B=ER

retransitted %lo,s

B=ER is t/e perentage of R= %lo,s reei$ed it/ errors

Seletion of ;S is done up'donlin, %y BSS

=in, 5daptation



=in, 5daptation

5lgorit/ approa/es en$elope

=5 algorit/=5 algorit/approa/esapproa/esEn$elopeEn$elope

20,%ps ' TS20,%ps ' TS 9 #*dB ' 9 #*dB '



=in, 5daptation

oding Failies

Faily 5

Faily 5

padding

Faily B

Faily

37 otets 37 otets 37 otets 37 otets

7 C S - 3

7 C S - 6

7 C S -

3" otets 3" otets 3" otets 3" otets

7 C S - 3

7 C S - 6

7 C S -

2 otets 2 otets 2 otets 2 otets

7 C S - 2

7 C S - 5

7 C S -

22 otets 22 otets

7 C S - 1

7 C S - 4

3"H3 otets 3"H3 otets



=in, 5daptationNote

Retransmission is performed in the samefamily,

bt !" is not restricted #ithin a family



H(steresis $or sit"hing !oints 5$oid unsta%le syste

=in, 5daptation

Sit/ing points e<aple S#'S2

"20 "!0 0 !0 20 30 40"5

0

5

!0

!5

20

25

CS1

#$% &d'(

')*+

,I,,H,!

-ross

T.roug./ut

&'it$s(

CS2



Ena%le failies of ;Ss also PS> ' G;S> ;S# is andatory to transport signalling so it

ust %e alays supported and needed if 5%is isongested

nitial S

Ena%le'&isa%le =5

=in, 5daptation

Paraeters



Prerequisite

BS'72 introdued it/in BR 4.0

Inter-Working

Fle<i%le 5%is

/anging t/e oding s/ee I

5%is /annels ay %e added ' reo$ed

=in, 5daptation



Customer Beneft

pro$ed data t/roug/put

Kptiu usage of t/e air interfae

T/e oding s/ee ust not %e /osen to t/e

orst situation in t/e ell +e.g ' at ell %order-

pro$ed uality of ser$ie for t/e end user

=in, 5daptation



Present Situation

)n#( 7S "ontro##ed "e## rese#e"tion

7obi#es are not distribted to "e##s de to tra$$i"

"ongestion o$ data tra$$i" not "onsidered

1etor, ontrolled ell Reseletion



Feature Content

'edistribtion o$ 7Ss among the netork same &C?

#ell c.ange

....

congestion


&C?




1etor, ontrolled ell Reseletion ! 1R

Pa,et Sit/ed Ser$ies

1R due to o$erage 1R due to traffi

1 t , t ll d ll R l ti



;S in idle sate +C) has the a#e +C0 +C0 is !eriodi"a##( broad"ast $rom the +8 to the 7S

- in s(stem in$ormation and

- !a"ket in$ormation messages

Pa,et flo ati$e I +etork sends &a"ket 7easrement )rder 7essage &7)

&7) "ontains +C) a#e +C2

7S sends measrement re!orts

;easureents are olleted 'e!orting time "an be set b( the o!erator

5ti$ation: de to tra$$i"

Coerage reasons


1etor, ontrol Krder +1K-




dle:

10

&ata flo:

12

BSS7easrementre!orts

$easrement Reports feed the algorithm




5lgorit/ e$aluates:

+mber o$ "on$igred %&'S/<%&'S "hanne#s

+mber o$ sed "hanne#s

Strateg( set b( o!erator:- Peranently reser$ed

- oon Pool

(!e o$ a##o"ation

- $ertial

- /oriContal

'adio Conditions o$ the neighbor "e## mst be good


Criteria de to tra$$i"




T/res/old:Ce##@'es-hres@)t

ra$$i" #oad in "e##

T/res/old:

Ce##@'es-hres@n

ell #

ell 2

ell 3

Redistribtion de to thresholds




Based on R6=EA

alulate Pat/ loss riterion +#) 32-

'adio "onditions o$ sering "e##

'adio "onditions o$ neighbor "e##


Criteria de to "oerage reasons





Paraeters

Ena%le ' &isa%le per BS

Reporting periods ' 1 easureent

paraeters to ;S

T/res/olds

?ysteresis



Customer Beneft

)!timm sage o$ aai#ab#e netork resor"es

;etter Aa#it( o$ seri"e $or the end ser

Boid o$ tra$$i" "ongestion




Present Situation

data flo is ontrolled per ell

flo rates of indi$idual o%iles are not onsidered

all ot/er o%iles it/in t/e ell are effeted

;S'G% Flo ontrol

;S'G% Flo ontrol



;S'G% Flo ontrol

asaded flo ontrol

;S flo ontrol ;S flo ontrol;S flo ontrol

ell flo ontrol

&ata flo o%ser$ed %ot/: for ell and for ;S

;S'G% Flo ontrol



;S'G% Flo ontrol

=ea,y Bu,et

5rri$ing == fraes

Lueue of fraes

'o perit

Lueue of fraes

it/ perit

Perit Lueue Ba<

G%

;S'G% Fl t l



;S'G% Flo ontrol

losed loop ontrol

Per0it 3ueue

in SGS1B0a<

RSGS1

P8

%ufferBP8

RP8

&ermitted C $rames

Ca#"#ated data rate 'S%S+ and ;ma>

"#osed #oo!

B0a<



Feature Content

Flo rate and%uffersiCes indi$iduallyalulated per ;S

Ta,e intoaount:%ursts of indi$idual ;Ss

&ata rates depend on:

+mber o$ a##o"ated "hanne#s Coding s"hemes $or the "rrent#(a##o"ated ;Ds

;S'G% Flo ontrol



– – – © Siemens, 2003

Operator Beneft

Su%sri%ers are ore satisfied it/ t/e end perforane

User Beneft Knly t/e onerned o%ile affeted

ontinuos data transission

Redution of retransissions +fator 3 M depends on ell load-

pro$ed perforane for t/e end user +up to 20@-

;S'G% Flo ontrol



– – – © Siemens, 2003

Present Situation

8ithin ;' 6.0 EoS im!roements:

SD 10432: Seri"e de!endent "hanne# a##o"ation

SD 10443: Btomati" Hori*onta# B##o"ation

SD 10444F %&'S on non-;CCH

GPRS and EGPRS LoS



– – – © Siemens, 2003

GPRS and EGPRS QoS

Feature Content

<=%<-"a!ab#e mobi#es

&riori*ation o$ Seri"es

?!grading o$ radio 'esor"es

hrogh!t ma>imi*ation

'esor"es a##o"ation ada!ted to the"rrent need



– – – © Siemens, 2003

GPRS and EGPRS LoS

S/edulingPriority #

S/edulingPriority 2

S/edulingPriority 3

S/edulingPriority "

Radio priority #

+8=-S. preedene #

+&=-

Radio priority 2

+8=-S. preedene 2

+&=-

Radio priority 3+8=-

S. preedene 3+&=-

Radio priority"

+8=-

S/eduling Priority S/eduling Neig/t+default-

#

2 "

3 2

" #

GPRS d EGPRS L S



– – – © Siemens, 2003

GPRS and EGPRS LoS

#eight determines the fre%ency of processing

4

2

TBF # on TS: eig/t

TBF 2 on TS: eig/t "

TBF 3 on TS: eig/t 2

&'( 1 is processed #ith factor 2 of &'(2

&'( 2 is processed #ith factor 2 of &'( 3

GPRS d EGPRS L S



– – – © Siemens, 2003

GPRS and EGPRS LoS

RadioResource!!ocation

Reuired nu%er of TSs depends on

reuireda<iu%itrate t/roug/putof t/e initialS SupposedinitialB=ER

KptiiCedalloation !fair distri%utionof /ig/prioritystuff o$er all TSs

GPRS d EGPRS L S



– – – © Siemens, 2003

GPRS and EGPRS LoS



– – – © Siemens, 2003

Operator Beneft

;a<iiCation of GPRS'EGPRS t/roug/put

;iniiCation of alloated resoures

nreased nu%er of ser$ie reuests

pro$ed /andling of ongestion situation

User Beneft

;a,e t/e use of data appliations ore attrati$e +ipro$edperforane for t/e end user-

GPRS and EGPRS LoS



End of GPRS'EGPRS features

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16) Detailed - GPRS and EGPRS Features

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