UMTS HSDPA Throughput Optimization Modified

7/25/2019 UMTS HSDPA Throughput Optimization Modified

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SecurityLevel:

HUAWEI TECHNOLOGIES CO., LTD.

SDPA Throughput Optimizatio

n

HSDPA Basic


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SDPA Basic

igh Speed Downlink Packet Access

Maximum Throughput 1!M"ps

Ph#sical $hannel

HS-SCCH

HS-SCCH

HS-PDSCH

HS-PDSCH

HS-DPCCH

HS-DPCCH

High Speed Shared Control Channel

High Speed Physical Downlink Shared Channel

High Speed Dedicated Physical Control Channel


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SDPA Basic

AMCFast Scheduling HARQ Hybrid ARQ

!QAMSF!" #$s and CDM%&DM ' (e) PhysicalChannels


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SDPA Throughput

#$!.%" &S' ()*odulation( Code( Codin+ate-#


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SDPA Throughput


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%lexi"le scheme power allocation

Time

Total 0owe

HSD0A A1aila2le 3owe

Allocated to CCH 0owe

D0CH 0owe

'ull4 u5ed


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 6

SDPA &ate

The TTI i5 m5. So 7o e8am3le Cat9: can decode 6; 2it5& m5 $9!.;6/ *=it&5 )and not 9"." *=it&5 a5o7ten claimed incoectl4-.

UE Cate+o4


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential %

$'(

CQI

value

Transport

Block

Size

Number

of HS-

PDSCH

Moulation !eference

po"er

a#ustment

NI! $!%

0 N&'

1 ()* ( QPS+ ,

2 (*) ( QPS+ ,

3 )) ( QPS+ ,

4 )(* ( QPS+ ,

5 )** ( QPS+ ,

6 ./( ( QPS+ ,7 /0, QPS+ ,

1 1 1 1

12 (*. ) QPS+ ,

13 *2 . QPS+ ,

14 03) . QPS+ ,

15 ))(2 0 QPS+ ,

16 )0/0 0 (/-Q'M ,

...444 444 1 121 /00. 0 (/-Q'M ,

22 *(/3 0 (/-Q'M ,

23 2*(2 * (/-Q'M ,

24 ((.(3 3 (/-Q'M ,

25 (..(( (, (/-Q'M ,

26 (*)* ( (/-Q'M ,

1 1 1 ,

), 0003 (0 (/-Q'M ,

5ut of ran6e

33,, ,


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential ;

Steps : C7eck Iub utilization 8stanar 9

*0:; C7eck D< po"er utilization

8stanar 9 *0:; C7eck =< C> utilization

8stanar 9 *0:; C7eck D< C> utilization

8stanar 9 *0:; C7eck 5%S? coe utilization

8stanar 9 *0:; C7eck =< !T@P 8stanar 9

-2/ Bm;

Star

t

An4hadwae

otan5mi55i

onin5ta2ilit4>

Sol1ein5ta2ilit

4

Steps : C7eck etail alarm an

escalate to relate PIC ?ollo" up rectification pro6ress Monitor HSDP' t7rou67put

after instabilitA clear

Low HS

3a4load>)5tandad ? !:

*2it5&da4-

@ES

NO

Anal4e onLow HS0a4load

ChecB i7 CStac o7 5ame

cell o colocated'9 al5o low

Anal4eCI

di5ti2ution

Steps : C7eck CQI istribution over same

perio et avera6e CQI value 8stanar

;

Correlate trend of reported CQIwith HS throughput to findrelation

Investigate if low throughput wascaused by low CQI

@ES

NO

Lowthou+h3ut2ecau5e o7low CI >

In1e5ti+ate 'i55ue

Steps : Perform TP analAsis to

c7eck if cellovers7oots poorcovera6e ba inoorpenetrationetc

C7eck if current tar6etcovera6e is proper ornot

C7eck CPICH po"erbalance or not

C7eck anA CPICH

c7an6e activitA Perform rive&"alk test8optional;

Conuct site auit an

Anal4e HS FUL ;; A=

S

@ES

NO

Steps : C7eck HS an =< !22 !'B

S! C7eck reason of !'B

blockin6

Correlate tren of HS F =


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9:

)A*Action1! $heck Alarm


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)A*Action+! $heck ,icense


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)A*Action-! $heck D$$$ Setting


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9!

)A*Action! $heck Downlink Power &esour

ce

,ST .$/,, SDPA )&0$*


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9"

,ST MA$ SPA&A )0odeB*


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)A*Action! $heck Downlink $ode &esourc

e

DSP ,($/0S/ )0odeB*


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9/

,ST MA$ SPA&A )0odeB 2


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,ST .$/,, SDPA )&0$*


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)A*Action3! $heck (u" Bandwidth

Ph#sical B4 )AA,+PAT or (PPAT *

SDPA PAT $on5iguration

Alarm


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)A*Action6! $heck (u" Packet ,oss &at

e

$DT


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.MAT check &,$ la#er &etransmission )&B!.sDl&etran&at

e*


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)B*Action7! $heck $hannel 'ualit#

$heck $'( "# DT Tool

Chec/ CQ0 by C+unter 12S3CQ03452S3CQ03'67


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Chec/ SBL8R by D& &++l


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)$*Action8! $heck SDPA $ell Status


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)D*Action19! $heck AP0


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)D*Action11! $heck Access Signaling

3 Start ./ Trace "# ,MT

#3 $heck in5o hsdsch:ph#sical:la#er:categor# identi5#ing the ./ capacit#

in &&$;$O00/$T;S/T.P;$MP message< whether ./ capa"ilit# meets r

e=uirement! )$AT7 > 6!+M"ps? $AT19 > 1!M"ps? $AT1 > +1M"ps*

'3 $heck in5o MaxBit&ate in &A0AP;&AB;ASS(@0M/0T;&/' message )/xt

endedMaxBit&ate 5or SPA*! (5 not meet re=uirement< need to check

,aptop AT command

Su"scription in5ormation o5 .S(M in H,& Max rate in S@S0 and @@S0

93 (5 3'AM is aaila"le< check in5o in &&$;&B;S/T.P


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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential /

4hether ,icense supported ,ST $/,,A,@OS4(T$HC $ell Hspa Plus %unction Switch;,+/0HA0$/D 3

'AM is switch on


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)/*Action1! $heck $P. .sage o5 ,apt

op

$heck $P. usage o5 laptop during data transmission!

(5 high )E89F* the response message to &,$ la#er or T$P

la#er are transmitted in a low rate< which cause the wind

ow restriction!


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)/*Action1! $heck Online SDPA .se

r


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4h# $'( not /cG0o


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The in7omation in thi5 document ma4 contain 3edicti1e 5tatement5 includin+, withoutlimitation, 5tatement5 e+adin+ the 7utue fnancial and o3eatin+ e5ult5, 7utue 3oduct3ot7olio, new technolo+4, etc. Thee ae a num2e o7 7acto5 that could cau5e actual e5ult5and de1elo3ment5 to die mateiall4 7om tho5e e83e55ed o im3lied in the 3edicti1e5tatement5. Thee7oe, 5uch in7omation i5 3o1ided 7o e7eence 3u3o5e onl4 andcon5titute5 neithe an oe no an acce3tance. Huawei ma4 chan+e the in7omation at an4time without notice.

UMTS HSDPA Throughput Optimization Modified

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