tokens: ['changes', 'in', 'the', 'GPP', 'air', 'interface', 'as', 'well', 'and', 'similarly', 'to', 'the', 'UE', 'WLAN', 'MAC', 'address', 'based', 'method', 'it', 'will', 'involve', 'UEeNBRNC', 'signalling', 'which', 'is', 'out', 'of', 'the', 'scope', 'of', 'the', 'current', 'SI', 'Notice', 'that', 'the', 'PTID', 'would', 'be', 'sent', 'from', 'the', 'UE', 'to', 'the', 'WLAN', 'by', 'reusing', 'the', 'existing', 'EAPIdentity', 'Response', 'message', 'and', 'therefore', 'seems', 'applicable', 'only', 'for', 'a', 'limited', 'set', 'of', 'authentication', 'mechanisms', 'On', 'the', 'WLAN', 'side', 'besides', 'UE', 'behaviour', 'changes', 'some', 'AP', 'behaviour', 'changes', 'are', 'also', 'required', 'since', 'the', 'AP', 'would', 'need', 'to', 'be', 'able', 'to', 'read', 'such', 'field', 'currently', 'the', 'EAP', 'message', 'is', 'transparently', 'forwarded', 'to', 'the', 'AAA', 'In', 'any', 'case', 'a', 'more', 'detailed', 'assessment', 'might', 'be', 'needed', 'in', 'the', 'normative', 'phase', 'The', 'PTID', 'based', 'method', 'would', '', 'not', 'affect', 'the', 'current', 'security', 'level', 'of', 'GPP', 'RAN', 'and', 'WLAN', 'neither', 'TMSI', 'nor', 'UE', 'MAC', 'address', 'would', 'be', 'shared', 'out', 'of', 'their', 'original', 'system', 'and', '', 'similarly', 'to', 'the', 'other', 'methods', 'allow', 'RAN', 'to', 'block', 'unauthorized', 'WLAN', 'access', 'user', 'manually', 'selecting', 'WLAN', 'This', 'analysis', 'is', 'summarized', 'in', 'the', 'table']