Non-access stratum (NAS) is a functional layer in the UMTS wireless telecom protocol stack between a core network and user equipment.[1] The layer supports signalling and traffic between those two elements.
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| HTTP | | Application |
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| TCP | | Transport |
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| IP | | Internet |
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| NAS | | Network |
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| AS | | Link |
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| Channels | | Physical |
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[edit] Functionality
The following functions exist in the non-access stratum:
[edit] See also
[edit] References
- ^ Martin Sauter (2006). Communication systems for the mobile information society. John Wiley & Sons. p. 131. ISBN 9780470026762. http://books.google.com/books?id=E_ZGuO2yVnkC&pg=PA131.
