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how many multi data bearers can be created simultaneously in LTE?

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how many multi data bearers can be created simultaneously in LTE?
posted May 8, 2014 by Pankaj

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A UE can have maximum of 8 data bearers. It may be in any combination of dedicated and default bearer  

Read more at: http://tech.queryhome.com/39987/described-difference-between-default-bearer-dedicated-bearer

1 Answer

+2 votes

You mean to say simultaneously here: at a time how many data bearers can be possible. Please comment if it would not.

Data bearers means EPS bearers. We can have maximum 8 data bearers at a time because of logical channel id constraint. I know it is bit weird because in UMTS it was 11, we could have 11 PDP contexts.

But this is what in RRC_Configuration_Message we have one Logical Channel Id field which has maximum 8 integer values only. So we can not map more that 8 data bearers at a time.

In specification no. TS 36.508 Table 4.5.3.3-1 written that number of Data Bearers to be added (N) is 0<=N<=7

I hope it helps you.

answer May 8, 2014 by Hiteshwar Thakur
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