Data Traffic Unbalancing Among U2100-U900 Carriers Due to Activating the Dual Carrier Feature

U2100 U900 Carriers Data Traffic Traffic Balancing

Security Level: Internal

Case Title: data traffic unbalancing unbalancing among U2100-U90 U2100-U900 0 carriers carriers due to activating the dual carrier feature  Adel ElAdely (a00322150) (a00322150)

Author 

BSC6900 V900R015C00SPH516

roduct ! "ersion henomenon Descri#tion

In X network, tere were 3 carrier! (2 "2100 #$1%$2&' 1 "00 #$3&) were "00 layer wa! a caacity layer to o**load data tra**ic *ro+ "2100 layer -e rovided !trate.y introduced to te cu!to+er wa!: re*erred ca+in. on "2100 layer wit data tra**ic /alance on all carrier! u!in. load /alance  *or SA SA #/lind4andover4/ #/lind4andover4/a!ed& a!ed& *ro+ "2100 to "00 and L #+ea!ure+ent4/a!ed& #+ea!ure+ent4/a!ed& *ro+ "00 layer to "2100 -e !trate.y wa! workin. well and acieved te de!ired data tra**ic /alance wen lunced te "00 layer /ut a*ter tat an audit wa! er*or+ed and *ound a lot o* area! avent carrier! /alancin. a! "2100 carrier! were carryin. +ore tra**ic tan "00 carrier 676E

Alarm $nformation Anal%sis



Chec& the strateg% #arameters and remove all the inconsistencies as follo'

4

DRD

UCELLDRD:CELLID= UCELLDRD :CELLID=F1/F2  F1/F2 , DRMAXGSMNUM=2, SERVICEDIFFDRDSWITCH=OFF  SERVICEDIFFDRDSWITCH= OFF , CODEBALANCINGDRDSWITCH= OFF , CODEBALANCINGDRDMINSFTHD=SF8, CODEBALANCINGDRDCODERATETHD=13, REDIRBANDIND=DepenOnNCe!!, LDBDRDSWITCHDCH=OFF  LDBDRDSWITCHDCH= OFF , LDBDRDSWITCHHSD"A= ON , LDBDRDCHOICE=UserNumber  LDBDRDCHOICE=UserNumber , LDBDRDLOADREMAINTHDDCH=3#, LDBDRDLOADREMAINTHDHSD"A=1$$, ULLDBDRDSWITCHDCHSD"A=OFF  ULLDBDRDSWITCHDCHSD"A= OFF , ULLDBDRDLOADREMAINTHDDCHSD"A=2#, D"GDRDSWITCH=OFF, HS"A"LUSSATISSWITCH=ON, HRETR%TARGCELLLOADSTUSIND=FALSE, "ATHLOSSTHDFOREDGE=133, "ATHLOSSTHDFORCENTER=&8, SECCELLLDBDRDCHOICE=USER'NUMBER, BASEDUELOCDRDREMAINTHD=3$, BASEDUELOCDRDSWITCH= OFF , TRAFFT%"EFORBASEDUELOC=RT($)NRT(1* UCELLDRD:CELLID= UCELLDRD :CELLID=F3 F3,, DRMAXGSMNUM=2, SERVICEDIFFDRDSWITCH=OFF  SERVICEDIFFDRDSWITCH= OFF , CODEBALANCINGDRDSWITCH= OFF , CODEBALANCINGDRDMINSFTHD=SF8, CODEBALANCINGDRDCODERATETHD=13, REDIRBANDIND=DepenOnNCe!!, LDBDRDSWITCHDCH=OFF  LDBDRDSWITCHDCH= OFF , LDBDRDSWITCHHSD"A= OFF , LDBDRDCHOICE=U+eN-./e, LDBDRDLOADREMAINTHDDCH=3#, LDBDRDLOADREMAINTHDHSD"A=1$$, ULLDBDRDSWITCHDCHSD"A=OFF  ULLDBDRDSWITCHDCHSD"A= OFF , ULLDBDRDLOADREMAINTHDDCHSD"A=2#, D"GDRDSWITCH=OFF  D"GDRDSWITCH= OFF , HS"A"LUSSATISSWITCH=ON, HRETR%TARGCELLLOADSTUSIND=FALSE, "ATHLOSSTHDFOREDGE=133, "ATHLOSSTHDFORCENTER=&8, SECCELLLDBDRDCHOICE=USER'NUMBER, BASEDUELOCDRDREMAINTHD=3$, BASEDUELOCDRDSWITCH= OFF , TRAFFT%"EFORBASEDUELOC=RT($)NRT(1*

4   InterFreqNCell  UINTERFREQNCELL:RNCID=XX, UINTERFREQNCELL :RNCID=XX, CELLID=F1/F2  CELLID=F1/F2 , NCELLRNCID=XX, NCELLID=F3 NCELLID=F3,, IDLE0OFFSET1SN= IDLE0OFFSET1SN=0  0 , IDLE0OFFSET2SN=50  IDLE0OFFSET2SN= 50 , BLINDHOFLAG= BLINDHOFLAG=TRUE , N"RIOFLAG=FALSE  N"RIOFLAG=FALSE , BLINDHO0UALIT%CONDITION=-2  BLINDHO0UALIT%CONDITION= -2 , CIOOFFSET=$, SIB11IND=TRUE, SIB12IND=FALSE, T"ENALT%HCSRESELECT=D$, HOCOV"RIO=$, DRDECN$THRESHHOLD= -1! , MBDRFLAG=FALSE, MBDR"RIO=$, DRDORLDRFLAG= FALSE , INTERNCELL0UALRE0FLAG=FALSE, INTERFRE0ADS0HCS=2$, CLBFLAG=FALSE* UINTERFREQNCELL:RNCID=XX, UINTERFREQNCELL :RNCID=XX, CELLID=F3 CELLID=F3,, NCELLRNCID=XX, NCELLID=F1/F2  NCELLID=F1/F2 , IDLE0OFFSET1SN= IDLE0OFFSET1SN=0  0 ,

2016-04-13

HUAWEI Confidential

Pae1! "otal#

U2100 U900 Carriers Data Traffic Balancing

Security Level: Internal

IDLE0OFFSET2SN=-50 , BLINDHOFLAG=FALSE , N"RIOFLAG=FALSE, CIOOFFSET=5 , SIB11IND=TRUE, SIB12IND=FALSE, T"ENALT%HCSRESELECT=D$, HOCOV"RIO=2, DRDECN$THRESHHOLD=-1! , MBDRFLAG=FALSE, MBDR"RIO=$, DRDORLDRFLAG= TRUE , INTERNCELL0UALRE0FLAG=FALSE, INTERFRE0ADS0HCS=2$, CLBFLAG=FALSE*

4   UCELLSELRESEL UCELLSELRESEL:CELLID=F1/F2 , IDLE0H%ST2S=1, CONN0H%ST2S=1, NONHCSIND=NOT'CONFIGURED, 0UALMEAS=C"ICH'ECNO, IDLE0H%ST1S=1, CONN0H%ST1S=1, TRESELECTIONS=1, 00UALMIN= -1! , 0RXLEVMIN=-5! , 0RXLEVMINEXTSU"=FALSE, MAXALLOWEDULTX"OWER=2, IDLESINTRASEARCH=5 , IDLESINTERSEARCH= ", CONNSINTRASEARCH=5 , CONNSINTERSEARCH=", SSEARCHRAT=1, S"EEDDE"ENDENTSCALINGFACTOR=2##, INTERFRE0TRESELSCALINGFACTOR=2##, INTERRATTRESELSCALINGFACTOR=2##, 0H%ST1S"CH=2##, 0H%ST1SFACH=2##, 0H%ST2S"CH=2##, 0H%ST2SFACH=2##, TRESELECTIONS"CH=2##, TRESELECTIONSFACH=2##, S"RIORIT%=, THD"RIORIT%SEARCH1=2, THD"RIORIT%SEARCH2=2, THDSERVINGLOW=1, THDSERVINGLOW2=2* UCELLSELRESEL:CELLID=F3, IDLE0H%ST2S=1, CONN0H%ST2S=1, NONHCSIND=NOT'CONFIGURED, 0UALMEAS=C"ICH'ECNO, IDLE0H%ST1S=1, CONN0H%ST1S=1, TRESELECTIONS=1, 00UALMIN= -12 , 0RXLEVMIN=-50 , 0RXLEVMINEXTSU"=FALSE, MAXALLOWEDULTX"OWER=2, IDLESINTRASEARCH=5 , IDLESINTERSEARCH= 10 , CONNSINTRASEARCH=5 , CONNSINTERSEARCH=", SSEARCHRAT=1, S"EEDDE"ENDENTSCALINGFACTOR=2##, INTERFRE0TRESELSCALINGFACTOR=2##, INTERRATTRESELSCALINGFACTOR=2##, 0H%ST1S"CH=2##, 0H%ST1SFACH=2##, 0H%ST2S"CH=2##, 0H%ST2SFACH=2##, TRESELECTIONS"CH=2##, TRESELECTIONSFACH=2##, S"RIORIT%=, THD"RIORIT%SEARCH1=2, THD"RIORIT%SEARCH2=2, THDSERVINGLOW=1, THDSERVINGLOW2=2*

4   U#C#IC$  U#C#IC$ :CELLID=F1/F2/F3, MAX"C"ICH"OWER= %%% , MIN"C"ICH"OWER=, "H%CHID=2, "C"ICH"OWER= %%% , DSSSMALLCOV"C"ICH"OWER=*

4   UCELL$OCO&&  UCELL$OCO&& :CELLID=F1/F2/F3, INTERFRE0RATSWITCH=INTERRAT , COEXISTMEASTHDCHOICE= COE'IST(&EAS(T$D(C$OICE(INTERRAT , CSSERVICEHOSWITCH=OFF, "SSERVICEHOSWITCH=OFF, HS"ATIMERLEN=$, S"ECUSERH%STFOR2D=4, S"ECUSERCSTHD2DECN$=( 13, S"ECUSERCSTHD2FECN$=(1$, S"ECUSERCSTHD2DRSC"=(&3, S"ECUSERCSTHD2FRSC"=(&$, MACROMICRO1A"REMEASSWITCH=OFF, U2LBLINDREDIRSWITCH=OFF, FASTRETURNTOLTESWITCH="ERFENH'"S'FAST'RETURN'LTE'SWITCH( $)HO'UMTS'TO'LTE'FAST'RETURN'SWITCH($*

 A*ter ceck and re+ove all te carrier incon!i!tencie! te data tra**ic /alance a!nt /een acieved yet 2016-04-13

HUAWEI Confidential

Pae2! "otal#

U2100 U900 Carriers Data Traffic Balancing

2016-04-13

HUAWEI Confidential

Security Level: Internal

Pae3! "otal#

U2100 U900 Carriers Data Traffic Balancing

Security Level: Internal

 8la!!i*ication

te a**ected !ite! It wa! *ound tat only te !ite! wit 8 *eature !u**er *ro+ data tra**ic un/alancin. a+on. te carrier! (oot Cause )ummar% 4 -e current ca+in. !trate.y9 re*erred 8a+in. *or $1%$2 (2100 carrier!) wit #Load /alance  *or SA& to /alance te data tra**ic /etween 2100%"00 carrier! 4 "E can ca+ on te "00 carrier i* and only i* te uality level! o* $1%$2 (2100 carrie!) are e;tre+ely oor 4 ence, te data tra**ic carried over "00 are al+o!t co+in. *ro+ $1%$2 u!in. #Load /alance  *or SA& 4 A! we are activatin. 8 #ual 8arrier& on $1%$2, te SA' caa/ility o* $1%$2 carrier! are ranked i.er tan "00 carrier 4 ence,  roce!! were re*errin. $1%$2 carrier! tan "00 carrier !o te /i. art o* te data tra**ic were carryin. over $1%$2 2016-04-13

HUAWEI Confidential

Pae4! "otal#

U2100 U900 Carriers Data Traffic Balancing

Security Level: Internal

)olution

i!a/le  SA' cell caa/ility rankin. #SAlu!Sati!Switc& (SA' 8aa/ility Switc)

Parameter ID HSPAPl$%Sati%S&it'( Parameter Name

HSPA) Ca*a+ilit, S&it'(

Meaning

W(et(e t(e HSPA) te'(ni'al 'o.*lian'e of 'ell% i% 'on%ideed in t(e  *eiodi' /ie'ted Ret, /e'i%ion /R/ *o'e%% and +lind (andoe-+a%ed non-*eiodi' /R/ *o'e%% If t(i% *aa.ete i% %et to ! a 'ell &it( (i(e  HSPA) te'(ni'al 'o.*lian'e i% *efeentiall, %ele'ted a% t(e /R/ taet 'ell in t(e *eiodi' /R/ *o'e%% and +lind (andoe-+a%ed non-*eiodi' /R/ *o'e%% If t(i% *aa.ete i% %et to ! t(e HSPA) te'(ni'al 'o.*lian'e of 'ell% i% not 'on%ideed in t(e /R/ *o'e%%

Impact on Radio Network  Performance

If t(i% *aa.ete i% %et to ! UE% 'an a''e%% an HSPA) 'ell &it( (i(e  HSPA) te'(ni'al 'o.*lian'e Ho&ee! &it( t(e in'ea%e of HSPA) UE%! t(e load of t(e HSPA) 'ell in'ea%e% and HSPA) $%e e7*eien'e deteioate% &(en t(e 'ell i% oeloaded If t(i% *aa.ete i% %et to ! t(e HSPA) te'(ni'al 'o.*lian'e of 'ell% i% not 'on%ideed in t(e /R/ *o'e%% "(eefoe! (i(e HSPA) te'(noloie% 'annot +e $%ed! &(i'( affe't% $%e  e7*eien'e

*$ B+ after the action:-

2016-04-13

HUAWEI Confidential

Pae5! "otal#

U2100 U900 Carriers Data Traffic Balancing

2016-04-13

HUAWEI Confidential

Security Level: Internal

Pae6! "otal#

U2100 U900 Carriers Data Traffic Balancing

2016-04-13

HUAWEI Confidential

Security Level: Internal

Pae8! "otal#

U2100 U900 Carriers Data Traffic Balancing

)uggestion and )ummar%

Security Level: Internal