Abstract
A method and apparatus for session continuity are described, which uses a tunneling procedure prior to registration. For session continuity, a tunnel is established between a multimode wireless transmission / reception unit (WTRU) and a central network of a target system, through a source system, while the WTRU is still connected to the source system. An access procedure to the target system is carried out, using the tunnel. A transfer is made from the source system to the target system, once the access procedure is complete. The access procedure includes the registration of the logon protocol (SIP), the authentication of the WTRU in the target system and the configuration of the Internet protocol (IP). The transfer can be from a third generation partnership project (3GPP) system to a non-3GPP system, or vice versa.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Family Member | ||||
| 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Family Member | ||||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| US2009017826A1 | 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US2009017826A1 | 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US8238311B2 | 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US8238311B2 | 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| WO2009009519A1 | 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Family Member | ||||
| WO2009009519A1 | 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Family Member | ||||
| TW200920152A | 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| TW200920152A | 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| US2013150041A1 | 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| US2013150041A1 | 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| US8843135B2 | 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| US8843135B2 | 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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