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A method for establishing mmtc traffic model

A technology of service flow and establishment method, which is applied to the establishment of mMTC service flow model and the system field of effective resource allocation, can solve the problems such as the inability of the flow model to provide accurate parameters and the inability to evaluate the ability of the access network to carry massive mMTC services, etc. To achieve the effect of improving accuracy and improving accuracy

Active Publication Date: 2021-06-25
XIDIAN UNIV
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AI Technical Summary

Problems solved by technology

This method solves the problem of not being able to provide accurate parameters when establishing a traffic model for parallel uploading services in large-scale scenarios, and describes the basic characteristics of service traffic, but its disadvantage is that it only generates MTC service traffic that obeys the Poisson process. Different MTC service traffic cannot be generated by dynamically adjusting parameters to generate service traffic with strong self-similarity, and it is impossible to evaluate the ability of the access network to carry massive mMTC services

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  • A method for establishing mmtc traffic model
  • A method for establishing mmtc traffic model
  • A method for establishing mmtc traffic model

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Embodiment Construction

[0038] Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail:

[0039] refer to figure 1 , the present invention comprises the following steps:

[0040] Step 1) Establish the piecewise chaotic mapping equation of massive mechanical communication mMTC:

[0041] Step 1a) According to mMTC business attributes and characteristics, mMTC business is divided into event-triggered type and scheduled upload type. The smart grid service is selected as a specific embodiment, in which the power distribution service is an event-triggered service, and the meter reading service is a scheduled upload service. When the number of MTC devices is particularly large, the mMTC service traffic will increase rapidly in a very short period of time and form spikes and other phenomena, and such sudden phenomena still exist even in a wide time scale. The piecewise chaotic mapping equation modeling is to use the deterministic piecewi...

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Abstract

The invention discloses a method for establishing a mMTC service flow model, which aims to accurately describe the bursty flow characteristics of different types of massive machine-type communication services. The realization steps are as follows: establishing a piecewise chaotic mapping equation for massive machine-type communication mMTC; Calculate the actual traffic set and average rate of traffic for mMTC event-triggered services; calculate the actual traffic set and average rate of traffic for mMTC scheduled upload services; calculate the random delay boundary of mMTC event-triggered business traffic models and the mMTC scheduled upload class The random delay boundary of the business traffic model; obtain the mMTC business traffic model.

Description

technical field [0001] The invention belongs to the technical field of 5G Internet of Things, and in particular relates to a method for establishing an mMTC service flow model, which can be used in a system for effectively allocating resources in the scene of a large-scale burst of machine type communication. Background technique [0002] Machine-type communication (MTC), or machine-to-machine communication (M2M), is considered a form of data communication that does not require human interaction, and is expected to have 50 billion connected devices by 2020. However, when a large number of MTC (mMTC) devices are connected to the network, the sudden traffic generated according to the attributes and characteristics of mMTC services will seriously affect network performance and cause network congestion. Delay is also one of the factors that affect the quality of network service, so the study of MTC traffic model is of great significance for evaluating the bearing capacity of the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W16/22
CPCH04W16/22H04W4/70
Inventor 史琰郝琪盛敏刘俊宇罗金松耿佳博
Owner XIDIAN UNIV