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UE Cannot Register at the network for 1stcarrier Initial

)$ 2010-09-27 13=>2=17>

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UE Cannot Register at the network for 1stcarrier Initial

UE $hen l"'$ c"nnec$i"n .i$h R)N an! )SU re'*"n'e $i+er e@*ire! re'l$in( in RNC 'en!in( $he ,U relea'e ree'$ $" CN

!u""est and

!ummary

U*"n c"n'l$a$i"n $" a.ei A $he *r"i!e! $he %"ll".in( %ee!6ack= (Explanation in red from Huawei HQ)

Q: Why are there some ASU being sent at different interals (some lower than !ms " others more than !##ms)$

A) %he delay from &easurement 'eport (a) to Atie Set Update aries beause the system ('*+) proesses eery user,signaling

serially- So. if the first proedure is not finished. the next proedure will not be proessed- /or example. 'A0 assignment proedure ha

been started " ongoing1 the ''+ measurement report message an2t be proessed and it won2t do SH3- 4n this ase. the delay from

&easurement 'eport(a) to Atie Set Update will be longer- 4f there is no other proedure to proess. Atie Set Update re5uest an be

sent immediately after '*+ reeies ''+ &easurement 'eport message-

HQ also onfirmed similar problems with 46phone in other pro7ets-- Under the same wireless ondition. the signal measurement alue

of 468hone is about #d0 lower than that of HW U9#E(or fre5ueny sanning instrument)- /or exampleHW U9#E 'S+8 is abou

6#d0m. E,4o is about 6!-!d0 ; howeer. 468hone 'S+8 is about 6

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UE Cannot Register at the network for 1stcarrier Initial

eca'e $he 'i(nal +ea're+en$ ale "% $he $er+inal !e$eri"ra$e! !ra'$icallB c"nnec$i"n 6e$.een $he UE & R)N .a' l"'$ Call !r"* i' !

$" $he UE' l". in$er%erence re'i'$ance ca*a6ili$

)DD CE##,NTR)FREAO= RNC,!?104 Cell,!?>5272 ,n$raRelTh!F"r1)CSVP?4 ,n$raRelTh!F"r1)CSNVP?

,n$raRelTh!F"r1)PS?4 Tri(Ti+e1)?D200 '$F"r1?2 Tri(Ti+e1?D1240B

The han!"er $hre'h"l! .a' chan(e! $" all". cell' .i$h (""! Ec:N" $" 6e a!!e! ickl in$" $he ac$ie 'e$

Attached

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