Abstract
The present invention discloses a method and a device for handover to a serving network. The method includes: receiving a first Handover Request sent by a BSC/RNC; sending a second Handover Request to a target MME according to the first Handover Request, where the second Handover Request includes an IMSI and first information for determining a source SGSN so that the MME sends a Context Request message including the IMSI to the source SGSN and receives context information of a user equipment corresponding to the IMSI sent by the source SGSN. The device includes an MSC server, an SGSN, an MME, and a BSC/RNC. The method and apparatus according to embodiments of the present invention, by applying for context information from a source SGSN by using an MME determined by an MSC server, are capable of ensuring that, in an rSRVCC handover process, the MSC server and the SGSN interact with the same MME, thereby avoiding a handover failure because the MSC server and the SGSN select different MMEs, and further synchronizing PS and CS handover processes, improving handover accuracy and efficiency, and enhancing user experience.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| CN103002530A | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Basis Patent | |||
| CN103002530B | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Basis Patent | |||
| EP2744266A1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| EP2744266A4 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| EP2744266B1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| EP3099105B1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| JP2014526816A | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| US2014185586A1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| US9491667B2 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| WO2013034112A1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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Yes | Family Member | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Mobility and handover
Product
Mobility Switching Centre (MSC)Serving GPRS Gateway Node (SGSN)Mobility Management Entity (MME)
Use Cases
Services
Mobility Management
Claim
Associated Portfolios
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.