CPC H04W 12/03 (2021.01) [H04W 12/041 (2021.01); H04W 12/106 (2021.01); H04W 36/0038 (2013.01)] | 20 Claims |
1. A method, implemented by an Initiating Access and Mobility Management Function (AMF) in a wireless communication network, for handling a Non-Access Stratum (NAS) Container during AMF re-allocation for a wireless device, the method comprising:
receiving a registration request message from the wireless device, wherein the registration request message comprises an encrypted NAS Container that includes slicing information associated with the wireless device;
sending a context transfer request message to a Last Serving AMF, wherein the context transfer request message comprises the registration request message and the encrypted NAS Container;
receiving a context transfer response message from the Last Serving AMF, wherein the context transfer response message comprises a decrypted NAS Container; and
routing the registration request via an Access Network (AN) to a Target AMF based on the slicing information in the decrypted NAS Container.
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