Intersystem reselection between radio access networks of different types

Abstract

Abstract Title: Intersystem reselection between radio access networks of different types

A wireless terminal 302 can communicate with two radio access networks (RANs) 304 306 of different types e.g. evolved UMTS terrestrial RAN (E-UTRAN) 304 and GSM/EDGE RAN (GERAN) 306. When the wireless terminal 302 is registered with both a first RAN 304 of the first type and a second RAN 306 of the second type and is wirelessly connected to the first RAN 304 in the connected state 310 it receives 312 a mobility signal via the first RAN 304 indicating a RAN 306 of the second type. Preferably the mobility signal indicates a cell change order (CCO) and a target cell of the second RAN 306 and the wireless terminal 302 reselects 314 to the target cell. In response to receiving the mobility signal the wireless terminal 302 transmits an access trigger signal e.g. routing area (RA) update 417. The access trigger signal indicates that the wireless terminal 302 is to be connected to the second RAN 306 in the connected state.

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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
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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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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
CA2869797A1	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
CA2869797A1	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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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
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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