(LTE) Attach and Default Bearer Setup - EventHelix.com
(LTE) Attach and Default Bearer Setup - EventHelix.com
(LTE) Attach and Default Bearer Setup - EventHelix.com
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Long Term Evolution (<strong>LTE</strong>) <strong>Attach</strong> <strong>and</strong> <strong>Default</strong> <strong>Bearer</strong> <strong>Setup</strong> (Moving from Old to New MME)<br />
Cell Sites <strong>LTE</strong>/SAE CN<br />
Cell New<br />
New EPC Old EPC Databases<br />
E-UTRAN<br />
UE eNodeB New MME Serving GW PDN GW Old MME HSS<br />
EventStudio System Designer 5<br />
11-Dec-12 07:45 (Page 6)<br />
Buffer<br />
downlink<br />
packets<br />
Packet buffering is ended.<br />
Update <strong>Bearer</strong> Response<br />
EPS <strong>Bearer</strong> Identity<br />
The Serving GW acknowledges by sending Update <strong>Bearer</strong> Response<br />
message to the new MME. The Serving GW can then send its buffered<br />
downlink packets.<br />
Downlink data<br />
Buffered downlink data is forwarded to the UE.<br />
Generated with EventStudio System Designer - http://www.<strong>EventHelix</strong>.<strong>com</strong>/EventStudio
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