IMPROVED INTERSYSTEM CHANGE BETWEEN DIFFERENT RADIO ACCESS NETWORKS

Abstract

A wireless terminal can communicate with two radio access networks (RAN) (304, 306) of different types. The wireless terminal can register simultaneously with a RAN of the first type and a RAN of the second type and can wirelessly connect to a RAN of either the first type or the second type in a connected state. The wireless terminal, when registered with both a first RAN and a second RAN and when wirelessly connected to the first RAN in the connected state, receives a mobility command via the first RAN including a cell change order to the second RAN, performs the cell change order and deactivates an Idle mode Signaling Reduction ISR by setting a temporary identifier TIN to a globally unique temporary identifier GUTI before initiating a routing area update procedure.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 060 v11.3.0 Version No: v11.3.0 Illustrative part: 6.9.1 Release: 11 + -	No	Family Member
4G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 401 v11.3.0 Version No: v11.3.0 Illustrative part: ---- Release: 11 S2 TS Number: TS 136 331 v11.8.0 Version No: v11.8.0 Illustrative part: 5.4.3 Release: 11 S3 TS Number: TS 136 300 v11.1.0 Version No: v11.1.0 Illustrative part: 5.4.3 , 6.2 Release: 11 +2 -2	No	Family Member
4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 002 v11.4.0 Version No: v11.4.0 Illustrative part: 4.1.3 , 4.2.3 Release: 11 + -	No	Family Member
5G,4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 124 008 v11.4.0 Version No: v11.4.0 Illustrative part: 4.7.5 Release: 11 + -	No	Family Member

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Technologies

2G 3G 4G 5G

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SEP Database Augmented SEP Database

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
WO2013146831A1	3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 060 v11.3.0 Version No: v11.3.0 Section No: ---- Release : 11 + -	Yes	Basis Patent
WO2013146831A1	4G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 401 v11.3.0 Version No: v11.3.0 Section No: Release : 11 S2 TS Number: TS 136 331 v11.8.0 Version No: v11.8.0 Section No: Release : 11 S3 TS Number: TS 136 300 v11.1.0 Version No: v11.1.0 Section No: Release : 11 +2 -2	Yes	Basis Patent
WO2013146831A1	4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 002 v11.4.0 Version No: v11.4.0 Section No: ---- Release : 11 + -	Yes	Basis Patent
WO2013146831A1	5G,4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 124 008 v11.4.0 Version No: v11.4.0 Section No: ---- Release : 11 + -	Yes	Basis Patent
GB2500723A	3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 060 v11.3.0 Version No: v11.3.0 Section No: ---- Release : 11 + -	No	Family Member
GB2500723A	4G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 401 v11.3.0 Version No: v11.3.0 Section No: Release : 11 S2 TS Number: TS 136 331 v11.8.0 Version No: v11.8.0 Section No: Release : 11 S3 TS Number: TS 136 300 v11.1.0 Version No: v11.1.0 Section No: Release : 11 +2 -2	No	Family Member
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CA2869797A1	4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 002 v11.4.0 Version No: v11.4.0 Section No: ---- Release : 11 + -	No	Family Member
CA2869797A1	5G,4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 124 008 v11.4.0 Version No: v11.4.0 Section No: ---- Release : 11 + -	No	Family Member
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CA2869797C	4G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 401 v11.3.0 Version No: v11.3.0 Section No: Release : 11 S2 TS Number: TS 136 331 v11.8.0 Version No: v11.8.0 Section No: Release : 11 S3 TS Number: TS 136 300 v11.1.0 Version No: v11.1.0 Section No: Release : 11 +2 -2	No	Family Member
CA2869797C	4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 002 v11.4.0 Version No: v11.4.0 Section No: ---- Release : 11 + -	No	Family Member
CA2869797C	5G,4G,3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 124 008 v11.4.0 Version No: v11.4.0 Section No: ---- Release : 11 + -	No	Family Member
EP2832146A1	3G,2G	21/09/2014	ISLD-201410-017	NEC CORP	S1 TS Number: TS 123 060 v11.3.0 Version No: v11.3.0 Section No: ---- Release : 11 + -	No	Family Member
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Mobility and handover

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Wireless communication

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