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1. (WO2015115966) INTERWORKING BETWEEN NETWORKS OPERATING ACCORDING TO DIFFERENT RADIO ACCESS TECHNOLOGIES

Pub. No.:    WO/2015/115966    International Application No.:    PCT/SE2015/050040
Publication Date: Fri Aug 07 01:59:59 CEST 2015 International Filing Date: Sat Jan 17 00:59:59 CET 2015
IPC: H04W 36/00
H04W 28/08
H04W 48/20
H04W 84/12
H04W 88/06
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: TAN BERGSTRÖM, Mattias
HEDBERG, Tomas
Title: INTERWORKING BETWEEN NETWORKS OPERATING ACCORDING TO DIFFERENT RADIO ACCESS TECHNOLOGIES
Abstract:
There is provided a method of operating a terminal device in a first network that is operating according to a first radio access technology, RAT, the terminal device supporting and operating according to a network interworking feature that enables and controls interworking between the first network and a network operating according to a second RAT, the method comprising determining whether a first cell in the first network that is serving the terminal device supports the network interworking feature (1101); andmodifying the operation of the terminal device with respect to the network interworking feature if it is determined that the first cell does not support the network interworking feature (1103).