UMTS HSDPA Throughput Optimization Modified
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Transcript of UMTS HSDPA Throughput Optimization Modified
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www.huawei.com
SecurityLevel:
HUAWEI TECHNOLOGIES CO., LTD.
SDPA Throughput Optimizatio
n
HSDPA Basic
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential
SDPA Basic
igh Speed Downlink Packet Access
Maximum Throughput 1!M"ps
Ph#sical $hannel
HS-SCCH
HS-SCCH
HS-PDSCH
HS-PDSCH
HS-DPCCH
HS-DPCCH
High Speed Shared Control Channel
High Speed Physical Downlink Shared Channel
High Speed Dedicated Physical Control Channel
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential !
SDPA Basic
AMCFast Scheduling HARQ Hybrid ARQ
!QAMSF!" #$s and CDM%&DM ' (e) PhysicalChannels
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential "
SDPA Throughput
#$!.%" &S' ()*odulation( Code( Codin+ate-#
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential
SDPA Throughput
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential /
%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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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 99
)A*Action+! $heck ,icense
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9
)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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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9
)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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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 96
,ST .$/,, SDPA )&0$*
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9%
)A*Action3! $heck (u" Bandwidth
Ph#sical B4 )AA,+PAT or (PPAT *
SDPA PAT $on5iguration
Alarm
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9;
)A*Action6! $heck (u" Packet ,oss &at
e
$DT
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential :
.MAT check &,$ la#er &etransmission )&B!.sDl&etran&at
e*
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 9
)B*Action7! $heck $hannel 'ualit#
$heck $'( "# DT Tool
Chec/ CQ0 by C+unter 12S3CQ03452S3CQ03'67
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential
Chec/ SBL8R by D& &++l
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential !
)$*Action8! $heck SDPA $ell Status
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential "
)D*Action19! $heck AP0
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential
)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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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential 6
)/*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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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential %
)/*Action1! $heck Online SDPA .se
r
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confdential ;
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.