name: N5CW
full_form: Non-5G-Capable over WLAN
context: A N5CW device is capable to register to 5GC with 3GPP credentials and to establish 5GC connectivity via a trusted WLAN access network. The reference architecture is captured in clause 4.2.8.5.2 of TS 23.501[2]. The 3GPP credentials are stored as defined in clause 6.1.1.1. The Trusted WLAN Interworking Function (TWIF) provides interworking functionality that enables connectivity with 5GC and implements the NAS protocol stack and exchanges NAS messages with the AMF on behalf of the N5CW device. A single EAP-AKAâ authentication procedure is executed for connecting the N5CW device both to the trusted WLAN access network and to the 5G core network. Figure 7A.2.4-1: Authentication Procedure for N5CW 0. The N5CW device selects a PLMN and a trusted WLAN that supports "5G connectivity-without-NAS" to this PLMN by using the procedure specified in TS 23.501 [2] clause 6.3.12a, "Access Network selection for devices that do not support 5GC NAS over WLAN". Steps 1-10: Initial registration to 5GC. 1.
description: A Non-5G-Capable over WLAN (N5CW) device is a type of user equipment that does not support 5G Core Network (5GC) Non-Access Stratum (NAS) protocol over WLAN access but can still register to the 5GC with 3GPP credentials and establish connectivity via a trusted WLAN access network.
explanation: The context explicitly describes N5CW as a device that interacts with the network, specifically mentioning its capabilities and limitations in terms of 5GC NAS support over WLAN. This classification is based on the role of N5CW as a user equipment connecting to the network.
section_title: 7A.2.4	Authentication for devices that do not support 5GC NAS over WLAN access
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