Access stratum

The access stratum (AS) is a functional layer in the UMTS wireless telecom protocol stack between radio network and user equipment.^[1] The radio network is also called access network.

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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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See also

• Mobility Management
• GSM
• Network protocol design principles
• Internet protocol suite
• X.25 protocol suite
• OSI protocol suite
• Solution stack

References

1. ^ 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.