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When and how default and dedicated bearers established in LTE?

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When and how default and dedicated bearers established in LTE?
posted Jan 12, 2015 by anonymous

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1 Answer

+1 vote

when UE is attached to LTE network then default bearer is established. After that if UE want to create any other bearer with same apn then this will be created as dedicated bearer. UE can connect 3 apn at a time. Suppose UE want some services that is not supported by existing apn then in this case UE can try to connect with other apn. The first bearer established with the new apn would be default bearer and any other bearer created after that would be dedicated bearer.

answer Jan 17, 2015 by Veer Pal Singh Yadav
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+2 votes

Hi Folks,

I am trying to create multiple dedicated bearers for UE with same tft set. Is it possible to have same tft set for multple dedicated bearers.?

The reason for asking this is I am actually facing a problem while creating multiple dedicated beares. As soon as second dedicated bearer established for UE, UE is sending Bearer Resource Modification with cause (Regular Deactivation). Couldn't able to find why it is happening.!

Please provide some suggestions..


+1 vote

Which NE stores the details of Default and Dedicated bearer details for all the UE's?

Question:1:- For example, UE1 has 1 default and 3 dedicated bearers. Which NE stores this information and based on what parameters, the bearers are mapped?

Question:2:- When UE is accessing, based on what parameters the bearer will be selected, either Default or Dedicated for will be decided?

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Is it possible to release default bearer without releasing dedicated bearer? Please suggest?