Method and apparatus for network virtualization and session management
US11564079B2 · kind B2 · utility
2Cited by
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20Claims
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Key dates
| Filing date | Jun 22, 2020 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Sep 28, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W48/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication method of an access and mobility function (AMF) node in a communication system is provided. The communication method includes receiving, from a base station, a registration request message for a terminal, transmitting, to an old AMF previously accessed by the terminal, an information request message for the terminal, and receiving, from the old AMF, an information response message including network slice selection assistance information (NSSAI) corresponding to the terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.