Method and system for acquiring location information of VoWiFi user, and related equipment
A location information and user technology, applied in wireless communication, electrical components, etc., can solve problems such as billing errors in the calling area, inability to route correctly, and inability to obtain user location information, etc., to achieve the effect of improving user experience
Active Publication Date: 2018-04-24
CHINA TELECOM CORP LTD
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Problems solved by technology
[0003] In the current VoWiFi technical solution, the user can only report the MAC (Medium Access Control, Media Access Control) address of the current AP (Access Point, wireless access point) during the call process, and the MAC address of the AP and the CELL ID ( Cell ID) is different, it is not planned by the operator, so the location information of the user cannot be obtained, which may easily lead to billing errors due to the absence of the calling area, or some call services (such as emergency calls) based on area information cannot be routed correctly And other issues
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[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0017] In view of the problems in the prior art that the location information of the user cannot be obtained, which may easily lead to billing errors due to the absence of the calling area, or that some call services (such as emergency calls) based on area information cannot be routed correctly, ...
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The invention discloses a method and system for acquiring location information of a VoWiFi user, and an evolution packet data gateway, and relates to the technical field of the wireless communication.Multiple virtual machines are configured on the evolution packet data gateway by using the network equipment virtualization technology, thereby realizing virtualized evolution packet data gateway vePDG, different virtual machines are corresponding to VoWiFi data in different regional networks, the information of the corresponding regional network can be determined by acquiring an identifier of the virtual machine when querying the location information of a user at an edge network element of an IMS core network, thereby acquiring the location information of the user to add in a subsequent calling signaling; the problem that the location information of the VoWiFi user cannot be acquired is solved, and the user experience is improved.
Description
technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method, a system and an evolved packet data gateway for acquiring location information of VoWiFi users. Background technique [0002] LTE (Long Term Evolution, long-term evolution) provides voice services through IMS (IP Multimedia Subsystem, IP Multimedia Subsystem). In the early stage of deployment, it is difficult to provide continuous coverage. In order to accelerate the deployment of voice services, some operators consider accessing IMS network, so as to expand LTE coverage, and then achieve the purpose of enhancing the coverage of IMS voice services. The WLAN can be connected to the IMS network in three ways, namely S2a, S2b and S2c. Among them, the S2b access method is based on non-trusted WLAN access, has no requirements on the WLAN network itself, and can maximize the use of various existing WLAN hotspots, so it is widely used for VoWiFi (voice ...
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IPC IPC(8): H04W64/00
CPCH04W64/00
Inventor 沈骁邵震钮颖彬黄国瑾刘琛
Owner CHINA TELECOM CORP LTD