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LTE Attach and Default Bearer Setup - EventHelix.com

LTE Attach and Default Bearer Setup - EventHelix.com

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<strong>LTE</strong> <strong>Attach</strong> Message<br />

Sequence Chart<br />

<strong>EventHelix</strong>.<strong>com</strong><br />

• tele<strong>com</strong>munication design<br />

• systems engineering<br />

• real-time <strong>and</strong> embedded systems<br />

eNodeB MME SGW HSS<br />

Initial UE Message<br />

Update Location Request<br />

Update Location Answer<br />

Create Session Request<br />

Create Session Response<br />

Initial Context <strong>Setup</strong> + <strong>Attach</strong> Accept +<br />

Activate <strong>Default</strong> <strong>Bearer</strong><br />

Initial Context <strong>Setup</strong> Response<br />

<strong>Attach</strong> Complete + Activate <strong>Default</strong> <strong>Bearer</strong> Accept<br />

Modify <strong>Bearer</strong> Request<br />

© 2012 <strong>EventHelix</strong>.<strong>com</strong> Inc.<br />

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