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Multi-access communication method and device based on coding cache, equipment and medium

A communication method and multi-access technology, applied in the field of communication, can solve the problem of not considering the impact of packet loss due to different file popularity

Active Publication Date: 2021-07-16
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing D2D communication transmission schemes based on encoding cache are all proposed based on ideal conditions, without considering the influence of different file popularity and packet loss in the actual network

Method used

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  • Multi-access communication method and device based on coding cache, equipment and medium
  • Multi-access communication method and device based on coding cache, equipment and medium
  • Multi-access communication method and device based on coding cache, equipment and medium

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Embodiment Construction

[0060] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0061] Aiming at the problems existing in the prior art, the embodiment of the present invention provides a multi-access communication method based on coding cache, including:

[0062] Obtaining the first target file from the file server through the base station, and reconstructing the popularity distribution of the first target file;

[0063] Allocate buffers for the resident user terminals in the area of ​​the base station, and obtain the subfiles of the second target file in the first target file through the resident user terminals; the resident user terminals include t...

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Abstract

The invention discloses a multi-access communication method, device and equipment based on coding cache and a medium, and the method comprises the steps: obtaining a target file from a file server through a base station, and reconstructing the popularity distribution of the target file; allocating a cache to a resident user side in the base station area, and obtaining a sub-file of a target file in the base station through the resident user side; sending a file acquisition request to the base station through the first user side, or sending the file acquisition request to the second user side through the first user side; according to the file acquisition request, determining a group to which the first user side belongs, and feeding back sub-files of the target file to the first user side through the second user side; the base station acquiring a non-target file in the file acquisition request from a cache of the base station, or acquiring the non-target file in the file acquisition request from a file server; and sending the non-target file to the first user side through the base station. The method can reduce network flow and ensure file transmission quality, and can be widely applied to the technical field of communication.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a coding buffer-based multi-access communication method, device, equipment and medium. Background technique [0002] With the construction of 5G, the development of the Internet of Things and cloud computing industries, and the continuous increase in the penetration rate of audio and video applications, global network traffic has grown rapidly, especially in densely populated areas. The network throughput is time-varying, and there are significant differences in the number of network users and users' demand for resources in different periods. During non-peak hours of network traffic, network communication resources are abundant, and users’ demand for the network is not saturated; during peak network traffic hours, network communication resources are tight, and the burden on service providers is heavier; how to effectively use network bandwidth, reduce peak traffic, ...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04W4/70H04W8/20
CPCH04L67/06H04W4/70H04W8/20
Inventor 陆剑张金钡赵家毅关卓东
Owner SUN YAT SEN UNIV
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