Abstract
Disclosed are a method and device for switching to a serving network. The method includes: receiving a first switchover request sent by a BSC/RNC; and sending a second switchover request to a target MME according to the first switchover request, with the second switchover request including an IMSI, and a first message used to determine a source SGSN, so that the MME sends to the source SGSN a context request message including the IMSI, and receives context information about user equipment corresponding to the IMSI sent by the SGSN. The device includes an MSC server, an SGSN, an MME and a BSC/RNC. The method and device of the embodiments of the present invention apply to a source SGSN for context information via an MME determined by an MSC server, and so can ensure that the MSC server and the SGSN interact with a same MME during the rSRVCC switchover flow, thereby avoiding the switchover failure due to inconsistent selection of the MME by the MSC server and the SGSN, which can also synchronize the PS and CS switchover process, improve the accuracy and efficiency of switchover, and enhance 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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| CN103002530A | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| CN103002530B | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| EP2744266A1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| EP2744266A4 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| EP2744266B1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| EP3099105A1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| EP3099105B1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| JP2014526816A | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| US2014185586A1 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| US9491667B2 | 5G | 19/03/2020 | ISLD-202003-037 | HUAWEI |
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| 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
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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.