Una Nnounced Ce Ll R E-Sel Ection And C All Rest Orat Ion; Ann Ounced Type 3 Ce Ll R E-Sele Ction And C All Rest Orat Ion - Aeroflex 3900 Series Option Manual

U n a n n o u n ce d C e ll R e - s el e ct i o n a n d C al l R es t o r a t i o n
When the mobile is enga ged in a cal l on one cel l (T est S et) it must co ntinu e to monito r t he
neighb oring cells (oth er Test Set) t o det ermine wh ether C ell R e-se lection condit ions ar e sat isfied .
The type of C ell Re- s electi on dep ends on wh ether or not the servin g cell (t he cur rent ly used Test
Set ) n eeds t o know t hat t he mob ile is leaving t he serving cell. I f t he mobil e is e ngaged in a gro up
call a nd it is n ot t ransmit ting (i. e. it is one of a number of mo biles t hat are receivi ng) then the
servin g cell does no t ne ed t o be notif ied, i.e. the mobile does n ot n eed t o anno unce t hat it is
per formin g C ell R e-se lection .
To test unannou nced C ell Re- selectio n:
1. Set up a gr oup ca ll on the curr ently used T est S et wit h th e mobile rece iving, and V eri fy
othe r T est S et is gene rati ng MC CH .
2. Set the R F Gener ator Leve ls on the T est S ets as re quire d to satisf y the condit ions f or
Ce ll R e-sele ction and w ait for th e mobile to decide to p erfo rm un announce d C ell R e-
selecti on.
3. The other Te st S et i ndicate s Ca ll Type : R estor ed I ndividua l C all o r C all Type: Rest ored
Group Cal l.
contin ue wit h its nor ma l opera tions. R ecommend sett ing both T est Set s to Test To ne and
Test Set Tr ansmit Mode
establ ishment of t he a udio p ath.
I n t h e c a s e o f u n a n n o u n c e d C e l l R e - s e l e c t i o n , t h e o r i g i n a l T e s t S e t d o e s n o t k n o w t h a t t h e
m ob i l e ha s p e r f o r m e d C e l l R e - s e l e c t i o n , a n d r e m a i n s i n c o n v e r s a t io n o n t h e T r a f f i c C h a n n e l .
P r e s s [ C l e a r d o w n ] o n t h e o r i g i n a l T e s t S e t t o r e t u r n i t t o g en e r a t i n g M C C H a f t e r t h e m o b i l e
h a s p e r f o r m e d u n a n n o u n c e d C e l l R e - s e l e c t i o n t o t h e o t h e r T e s t S e t .
A n n o u n c ed T y p e 3 C el l R e - se l ec t i o n and C al l R es t o r a t i o n
When the mobile is enga ged in a cal l on one cel l (T est S et) it must co ntinu e to monito r t he
neighb oring cells (oth er Test Set) t o det ermine wh ether C ell R e-se lection condit ions ar e sat isfied .
The type of C ell Re- s electi on dep ends on wh ether or not the servin g cell (t he cur rent ly used Test
Set ) n eeds t o know t hat t he mob ile is leaving the serving cell. I f t he mobil e is e ngaged in a pri va te
call or a phone call , or it is tr ansmitti ng i n a gr oup call, t hen the ser vi ng cell needs to be noti fied, i. e.
the mobile needs t o an nounce t hat it is per for mi ng C ell R e- selectio n.
To test an noun ced C ell R e-se lect ion:
1. Set up a pr ivate call o r a phone call o n th e cur rent ly used Test Set , or a group call wit h
the mobile tra nsmittin g, an d V erif y othe r T est S et is gene rati ng MC CH .
2. Set t he
Re -select ion an d w ait for the mobile to d ecide t o per for m anno unced C ell Re- selecti on.
The curr ently used T est S et indicat es Mobile Re -Se lected Cel l (T ype 3) / MC C H.
3. The other Te st S et i ndicate s Ca ll Type : R estor ed I ndividua l C all o r C all Type: Rest ored
Group Cal l. The mo bile co ntinue s wi th t he call on the o ther Test Se t and can co ntinue
wit h it s nor mal ope rat ions. It is r ecommended to se t bo th T est S ets to C onver sation
Mode Te st Ton e so tha t th e dur ation of th e bre ak and r e-est ablishmen t of the au dio pat h
can be obser ved. When the mobile announ ces C ell R e-se lection, th e Test Se t
auto ma tically ret urns to MC CH ge nerat ion.
T E T R A M S S y s t e m
The mobile is r eceiving the group call on t he ot her Test Set and can
to Cont inuous to o bserve the dura tion of t he br eak a nd r e-
RF Gener ator L evel on the T est Sets as req uired t o sat isfy the condit ions for C ell
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