A file caching method, device and system

A file caching and file technology, applied in the transmission system, vehicle parts, electrical components, etc., can solve the problems of core network and infrastructure burden, user experience quality degradation, etc., and achieve the effect of improving the success rate of handover

Active Publication Date: 2022-04-29
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, with the emergence of a large number of in-vehicle applications, the demand for wireless communication in high-speed vehicles has increased rapidly, which has brought a huge burden to the core network and infrastructure, which in turn leads to a decline in user experience quality

Method used

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  • A file caching method, device and system
  • A file caching method, device and system
  • A file caching method, device and system

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Embodiment Construction

[0073] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined arbitrarily with each other.

[0074] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0075] see figure 1 , an embodiment of the present invention proposes a file caching method, comprising:

[0076] Step 100, when the first vehicle enters the handover subarea of ​​the cache area from the storage subarea of ​​the cache area, the stored data packet is transmitted to the second vehicle entering the handover subarea from outside the cache area. ...

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PUM

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Abstract

The embodiment of the present invention discloses a file caching method, device and system. The file caching method includes: when the first vehicle enters the transfer sub-area of ​​the cache area from the storage sub-area of ​​the cache area, the stored data packet is transmitted to A second vehicle entering the handover sub-area from outside the buffer area. In the embodiment of the present invention, when the first vehicle is about to leave the cache area (that is, enters the handover sub-area from the storage sub-area), it transmits the data packet stored by itself to the second vehicle that is about to enter the cache area (that is, enters from outside the cache area) Handover sub-area), so that it can resist the high-speed mobility of vehicles and store data packets in the cache area for a long time.

Description

technical field [0001] The embodiments of the present invention relate to the field of wireless communication, and in particular to a file caching method, device and system. Background technique [0002] At present, with the emergence of a large number of in-vehicle applications, the demand for wireless communication in high-speed vehicles has increased rapidly, which has brought a huge burden to the core network and infrastructure, which in turn has led to a decline in user experience quality. In related literature, the concept of Information-Centric Network (ICN, Information-Centric Network) is proposed. In this case, network edge caching is a key technology to bring data closer to users. By storing data at the edge of the network, repeated requests for cached data can be greatly reduced in the core network, thereby greatly reducing the load on the core network and infrastructure. , to improve user experience. However, due to the high-speed mobility of vehicles, a vehicl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L67/5682H04L67/568H04L67/1097H04W4/44H04W4/46H04W28/14
CPCH04L67/1097H04W4/44H04W4/46H04W28/14H04L67/568H04L67/5682
Inventor 张楠程翔胡彬彬李湧窦建武
Owner ZTE CORP
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