Registration scenarios between networks of new wireless communication and legacy

摘要

A method for use in a transmitting / receiving unit WTRU (Wireless Transmit / Receive Unit, English) (500), the method being characterized by generating an indicator routing area RAI information element IE (Information Element in English), based on data tracking area indicator, TAI (tracking area indicator in English), in which the RAI IE is no longer in the TAI data; generate an IE Subscriber Identity Temporary package, P-TMSI - Packet temporär and Mobile Subscriber Identity, English), based on an S-mobile subscriber identity Temporary, S-TMSI (SAE-temporär and Mobile Subscriber Identity, English) where at least one bit of the S-TMSI is not included in the P-TMSI; generating a request message routing area update, wherein the update request message includes routing area RAI IE and P-TMSI's; and transmit the request message routing area update.