(02) VDF MMS Delivery Too Long INTERNAL

8/9/2019 (02) VDF MMS Delivery Too Long INTERNAL

1/15

VDF-D2 MMS delivery too

long

H.Fischer

040715 (2) VDF MMS delivery too long I!"#$% V&.1.''t


2/15

Sieens* 2002+,ge 2

MMS delivery too long: Case1: RNC Iu release after

authentiation Re!uest" fro# $MSC

Short desri%tion&i#%at on net'or(:

2)*1*)+ ase1:VDF-D2!he delivery-tie o/ , MMS sing S,sng100 oile c,'ed on &3 t,es &5 second longer ,s nor,l. !his is

e,sred /ro 'ressed S"D-tton ,t $-sscriers ntil indic,tion ,t

-sscriers th,t MMS h,s een received 6ith ,to-do6nlo,d ,ctive ,t

-sscrier. VDF #F+ /ro &1.7.0& reires 8MMS el,'sed tie

(&0yte)95s* :5;=4 e,rer. !he

contr,ct,l reireents ,re /l/illed ho6ever soeties do6nlo,d tie

is ?4s inste,d o/ reired =0s

.rogress&a%%lied ations /10:

@,se1F"A$! I?52&2 in BM#2.0 !he /irst received tr,ces do not re'ort the necess,ry in/or,tion /or

,n,lysis* ec,se #@ intern,l tr,ce is st,rted ,/ter the ,thentic,tion

ess,ge. (6hich /,ils).


3/15

Sieens* 2002+,ge &

RNC Iu release after authentiation Re!uest" fro#

$MSC

.rogress&a%%lied ations /10:

$n,lysis sho6s* th,t the isse occrs ,l6,ys 6hen S#"C ('iggy,cedon S@@+ @# est,lishing I +S connection to S3S)* /or the do6nlo,d

o/ the MMS* is sent et6een I #ele,se @o,nd /ro BMS@

terin,ting the SMS ,nd the conseent ##@ @onnection #ele,se sent

/ro #@ to the B". !his is ,l6,ys the c,se 6hen the S,sng 100

B" is set to ,to-do6nlo,d ,/ter the SMS.

Conse!uene is a %rotool overla%%ing eause the SR34#essage is sent y $3 on resoures 'hih are aout to e released

y RNC.

!he B" 6,its &2 sec. ,/ter the /irst /,iled $to-Do6nlo,d e/ore re-

tr,nsission (ne6 Service #eest ess,ge)* sing ' in the

do6nlo,d tie o/ 40s. !he tier is not con/igr,le y the et6or*

ec,se it is h,rd-coded in the oile.


4/15

Sieens* 2002+,ge 4

RNC Iu release after authentiation Re!uest" fro#

$MSC

.rogress&a%%lied ations /,0:

5est of soft'are ada%tation /.ath solution0 to #odify the ti#e ofsending I$ Release Co##and y Core Net'or( to'ards the RNC or,rond /or 'role introdced only /or S,sng 100 Moile

!ie V,les /or sending IB #ele,se @o,nd 700 > 1200 s

!est 6ith S,sng 100 in !est-l, sho6s , correct eh,vior ,nd do6nlo,d tie

is ,rond E &5 sec

!ests 6ith other oile ty'es (Motorol, $?&5) sho6 ,lso , correct eh,vior.

!ests in BM#&.0 6ithot ,ny 6or,rond ,nd so/t6,re ,d,'t,tion

!est 6ith Motorol, $?&5 !erin,l in !est-l, sho6s , correct eh,vior ,nd

do6nlo,d tie is ,rond E &2 sec.

!est 6ith oi, ==50 terin,l done in VFD2 /ield sho6s correct eh,vior ,nd

do6nlo,d tie is ,rond E && sec.

!ests 6ith ne6 S,sng 105 sho6 ,lso correct eh,vior ,nd , do6nlo,d tie

,rond o/ E&5 sec.

6n usto#er re!uest: %lanned tests 'ith Sa#sung 71)) in 8.RS

environ#ent to verify if %role# arise in 298 net'or( as 'ell /due

date 11*),*2))+0*


5/15 Sieens* 2002+,ge 5

.rotool Raing 'ith ter#inal Sa#sung 71))- in

$MR2*)&$MR,*) /e;at flo' sho'n for $MR,*)0

< 9) #s

SREQ ( PDP Context)

Servie Re!uest (to do6nlo,d MMS on eisting resorces)

l,st @+$@ (noti/ic,tion SMS to !erin,l* @S do,in on IB)

I$ Release CMD /CS0

5,,=)>,) s(&3++ 24.00?)

+S do,in not eisting on I)

< 1,+ #s

RRC ReleaseCo#%lete (no resorces eist ,nyore)< =) #s

I$ Rel Co#%lete /CS0

Servie Re!uest re%etition (on ne6 resorces ,/ter $S tier)

Authentiation Re!

1

2Servie Re!uest (on ne6 resorces does not h,''en)

B

S8SN

B /no resorces eist on I)I$ Rel /.S0

,


6/15 Sieens* 2002+,ge =

.rotool Raing: o##ents to the flo' hart

Notifiation SMS is send to $3 starting an a%%liation to do'nload MMS

after ,2+ #s Sending reest on still eisting resorces (I*B) is correct. o distinctionet6een +S>@S eists on I>B.

#ele,se o/ resorces ,lre,dy ,rrived ,t B"* B" shold sign,l ne'ected rele,sede to its o6n ,''lic,tion.

Resoures on Iu@ $u are released* Resoure Releasing an not esto%%ed* 5he %revious servie re!uest #ust fail

#@ rele,ses @S>+S* ec,se no +S c,ll ,ctive ,t th,t tie @orrect eh,vior

B" re'e,t S#"C dring 'eriod o/ tier !&&?0 G &0s in oile* ec,se oiledetects rele,se o/ resorces ,ccording to &3++. !ier is /ied in B" ,n c,n not ech,nged. !h,t is the re,son /or del,yed do6nlo,d tie o/ 72s vs. 45s

Iu CS release ould e delayed y ,8MSC in order to solve the %role#'ith Sa#sung 71))

I/ ess,ge 8IB #ele,se @MD< is sent signi/ic,ntly l,ter (>G700 s) the r,cingcondition 6ill not eist ,nyore* ,s long ,s the re,ction tie o/ the ,''lic,tionre,ins nch,nged

@ore ',tches to del,y I#el@MD c,n e develo'ed* del,y !ie(700s>1200 s).!here/ore ,ddition,l tests 6ith ,ll coon oiles st e done.

1

2

,


7/15 Sieens* 2002+,ge 7

RNC Iu release after authentiation Re!uest" fro# $MSC after

%ath introdution /


8/15 Sieens* 2002+,ge ?

RNC Iu release after authentiation Re!uest" fro# $MSC after

%ath introdution /


9/15 Sieens* 2002+,ge :

No .rotool Raing in $MR ,*)

/'ith ter#inal Motorola A=,9 'ithout ore %ath0

< 9) #s


I$ Release CMD /CS0 +S do,in not eisting on I)


10/15 Sieens* 2002+,ge 10


/'ith ter#inal Sa#sung 71)9 'ithout ore %ath0


I$ Release CMD /CS0< 29) #s

,8 MSC RNC Node@ 5er#inal

RRC Conn Release, not traced

RRC Conn Request , not traced

S8SN

RRC ReleaseComplete , not traced

MMS %roedure ontinues

aording to e;%eted flo'

MMS do'nload to ter#inal @

is o#%leted in


11/15 Sieens* 2002+,ge 11


/'ith ter#inal No(ia 9) 'ithout ore %ath0

,8 MSC RNC Node@ 5er#inalS8SN

MMS %roedure ontinues

aording to e;%eted flo'

MMS do'nload to ter#inal @

is o#%leted in


12/15


13/15


14/15


15/15

Sieens* 2002+,ge 15

Case2: MMS delivery too long /+&+( earer0

Solution %lan

B" ser 'ro/ile /or MMS to se &?4 e,rer 6old s,ve in D% E10s Ss'ect th,t o'er,ting 105 in tr,ce ode ,nd or d,t, tr,nsission o/

B" c,ses oscill,tion. B" tr,ces ,re not ,v,il,le to Sieens

S,sng

@l,ri/y throgh't oscill,tions on higher l,yers (#%@ o) S,sng

(02) VDF MMS Delivery Too Long INTERNAL

Documents