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Relay node buffer area proportion calculation method meeting buffer area overflow probability requirements

A technology of buffer overflow and proportional calculation, which is applied in calculation, instrumentation, electrical digital data processing, etc., and can solve problems such as increased delay, decreased user satisfaction, and long delay

Pending Publication Date: 2020-10-27
NANJING INST OF TECH
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Because the server is generally located in a remote area, there will be a long delay during the file transfer process. If the file reaches the edge of the network, such as a base station, it is first put into the storage space of the edge node, and then read from the storage space. Distributing to requesting users will further increase the delay and easily lead to a further decrease in user satisfaction

Method used

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  • Relay node buffer area proportion calculation method meeting buffer area overflow probability requirements
  • Relay node buffer area proportion calculation method meeting buffer area overflow probability requirements
  • Relay node buffer area proportion calculation method meeting buffer area overflow probability requirements

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Embodiment Construction

[0030] The present invention is described in further detail now in conjunction with accompanying drawing.

[0031] 1. System model

[0032] The system model used in this paper is as figure 1 As shown, the system consists of remote server, backhaul link, base station, relay node and multiple users. There are N users within the coverage of the relay node, denoted as U i , i=1,...,N, these users all have file transfer requirements. The network uses a buffer-assisted relay method to improve file transfer performance. Specifically, the relay node divides the buffer space into N parts, which are used to transfer files for N network users.

[0033] 1.1 The buffer ratio that relay nodes can contribute

[0034] Under the premise of ensuring the transmission performance of the relay node's own business, the buffer capacity it can contribute is limited. Next, we determine the maximum buffer ratio that the relay node can contribute according to the requirements of the relay node on t...

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Abstract

A relay node buffer area proportion calculation method meeting buffer area overflow probability requirements comprises the following steps that S1, according to a data arrival model and a data processing model of a relay node, a yoke theory is applied, and a buffer area overflow probability expression is obtained; and S2, giving a buffer area overflow probability value tolerable by the relay nodeto obtain a buffer area proportion meeting the buffer area overflow probability requirement. The buffer area proportion obtained through the method can meet the overflow probability requirement of thebuffer area of the relay node, and the transmission efficiency of the auxiliary relay network is further improved.

Description

technical field [0001] The invention belongs to the field of heterogeneous network, edge computing, auxiliary relay network, wireless communication, communication system, edge computing, resource allocation, and martingale theory, and specifically relates to a relay node buffer ratio calculation that satisfies the buffer overflow probability requirement method. Background technique [0002] In recent years, due to the rapid development of smart terminals, the consumption of mobile content is increasing day by day. People can enjoy the entertainment experience brought by the wireless cellular network anytime and anywhere, but it also brings huge traffic pressure to the cellular network. Some scholars have proposed to store popular videos in edge storage devices such as mobile phone terminals, set-top boxes, and routers in advance, so as to alleviate the problem of repeated traffic in the network, especially in the backbone network, which can effectively reduce network traffic...

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Application Information

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IPC IPC(8): G06F11/34H04L29/08
CPCG06F11/3442G06F11/3452H04L67/06G06F2201/875H04L67/568
Inventor 刘婷婷蒋诚智余雨蒋姝水恒华
Owner NANJING INST OF TECH
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