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Method and system for caching data

A data caching and caching technology, which is applied in the field of mobile communications, can solve problems such as the influence of local connection data privacy and the limitation of data caching capabilities, and achieve the effect of avoiding data privacy problems and protecting privacy

Inactive Publication Date: 2011-12-14
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If data forwarding is not supported between base stations / home base stations, the data needs to be forwarded through the core network, so the privacy of local connection data will be affected
In addition, due to the limitation of the cost of the home base station itself, its data caching capability will also be limited

Method used

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  • Method and system for caching data

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Embodiment Construction

[0068] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0069] A data caching method provided by the present invention mainly includes: in the handover process caused by UE location movement, the source wireless side network element notifies the L-GW to perform data caching; after the handover is completed, the L-GW caches the cached data It is delivered to the UE through the handover target wireless side network element. That is to say, in the handover process of the UE, the present invention uses the L-GW to replace the network element on the wireless side to perform data cache processing. On the one hand, it is to avoid the data privacy problem caused by the detour of local data to the core network. On the other hand, it is to Reduce the cost increase brought by the wireless side network metadata cache.

[0070] Based on the above data caching method, the following wi...

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Abstract

A method for caching data is provided in the present invention. The method includes that: in the process of switching caused by the motion of the location of the User Equipment (UE), a network element of the source wireless side informs a Local Gateway (L-GW) of caching data; after the switching is completed, the L-GW sends the cached data to the UE through a switched network element of the target wireless side. A system for caching data is also provided in the present invention. By the method and the system of the present invention, the privacy of the local data is protected, and the cost of the base station / home nodeB is reduced, especially the cost of the home nodeB.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method and system for data buffering. Background technique [0002] In order to maintain the competitiveness of the third-generation mobile communication system in the communication field, provide users with faster rate, lower delay, and more personalized mobile communication services, and at the same time reduce the operating costs of operators, the Third Generation Partnership Project The (3GPP, 3rd Generation Partnership Project) standard working group is working on the research of the Evolved Packet System (EPS, Evolved Packet System). The structure of the EPS is as figure 1 As shown, the entire EPS is divided into two parts, the radio access network and the core network. The core network includes a home subscriber server (HSS, Home Subscriber Server), a mobility management entity (MME, Mobility Management Entity), and a serving general Service (GPRS, General Packet Ra...

Claims

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Application Information

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IPC IPC(8): H04W28/14H04W36/08
CPCH04W88/16H04L29/08801H04W36/02H04L67/2842H04L67/568
Inventor 梁爽周娜王静霍玉臻
Owner ZTE CORP
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