tokens: ['This', 'solution', 'addresses', 'key', 'issueproposing', 'a', 'UE', 'implementation', 'scheme', 'with', 'AKMA', 'framework', 'implemented', 'on', 'SE', 'The', 'advantage', 'of', 'this', 'scheme', 'is', 'the', 'introduction', 'of', 'SE', 'makes', 'sure', 'the', 'security', 'of', 'AKMA', 'intermediate', 'keys', 'storage', 'However', 'implementation', 'with', 'SE', 'brings', 'extra', 'cost', 'to', 'UE', 'making', 'it', 'complicated', 'while', 'designing', 'interfaces', 'between', 'SE', 'and', 'modem']