Abstract
Techniques for performing inter-system handover are described. An Access Gateway (AGW) sends a message requesting handover of a user equipment (UE) from a first radio access network (RAN) to a second RAN. The message is sent to an Inter Access System (inter-AS) Anchor for the first RAN communicating with an SGSN for the second RAN via a Gn interface. The Inter-AS Anchor and SGSN exchange messages via the Gn interface and the Inter-AS Anchor forwards the messages to the AGW to handover the UE from the first RAN to the second RAN. The SGSN sees the Inter-AS Anchor as another SGSN for the handover and as a GGSN after the handover. This allows the inter-system handover to be achieved with an inter-SGSN SRNS relocation procedure used for handover between two SGSNs which reduces impact on the SGSN to support the inter-system handover.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
Specification Information
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| US2007021120A1 | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Basis Patent | ||||
| US2007021120A1 | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Basis Patent | ||||
| US2007021120A1 | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | Yes | Basis Patent | ||||
| US8553643B2 | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Basis Patent | ||||
| US8553643B2 | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Basis Patent | ||||
| US8553643B2 | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | Yes | Basis Patent | ||||
| EP1905204A1 | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Family Member | ||||
| EP1905204A1 | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Family Member | ||||
| EP1905204A1 | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
| KR101001509B1 | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Family Member | ||||
| KR101001509B1 | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Family Member | ||||
| KR101001509B1 | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
| KR20080041649A | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Family Member | ||||
| KR20080041649A | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | Yes | Family Member | ||||
| KR20080041649A | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
| JP2009503941A | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| JP2009503941A | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| JP2009503941A | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
| JP4902651B2 | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| JP4902651B2 | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| JP4902651B2 | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
| CN101263693A | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| CN101263693A | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| CN101263693A | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
| CN101263693B | 4G | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| CN101263693B | Not Available | 16/07/2009 | ISLD-200907-008 | QUALCOMM INC | No | Family Member | ||||
| CN101263693B | 5G | 16/03/2018 | ISLD-201805-022 | QUALCOMM INC | No | Family Member | ||||
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| ES2715212T3 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| HUE042648T2 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
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