Network layer performance simulation of G3 mobile communication system

A technology of a mobile communication system and a simulation method, which is applied in the simulation field of the network layer of a wireless communication system, and can solve the problems of restricting the application of dynamic system simulation results, slow speed of dynamic simulation system, waste of resources, etc.

Inactive Publication Date: 2006-08-16
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Such a huge waste of resources seriously affects the speed of dynamic system simulation, and also severely limits the application of dynamic system simulation results

Method used

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  • Network layer performance simulation of G3 mobile communication system
  • Network layer performance simulation of G3 mobile communication system
  • Network layer performance simulation of G3 mobile communication system

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Embodiment Construction

[0054] see figure 2 , the present invention is a kind of fast simulation method of network layer performance of the third generation mobile communication system, which is used to simulate the number of system activated users and the system call failure probability performance curve under load control. The method mainly includes the following three operation steps :

[0055] (1) Set various parameters of the simulation system, perform dynamic simulation of the network layer, and obtain high call intensity λ high The system network layer performance curve under ;

[0056] (2) According to the minimum mean square error criterion, the high call intensity λ high The network layer performance curve of the system below is substituted into the prediction model, and the two prediction model parameters of the mean value and variance of the single user load are searched;

[0057] (3) Substituting the two prediction model parameters obtained into the prediction model to predict the lo...

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Abstract

A third mobile communication system network layer capability speedy simulation method, which uses for under the load control, the simulation of the activating number by the system and the capability curve of the system calling failing probability. Firstly, the method carry dynamic simulation with loud call intensity, then establish the user dynamic stochastic connect-in network stable forecast model under the load control, and search two parameters of the single user load average value and variance that the forecast model needs according to the smallest average variance criterion, forecast the network capability curve under the low call intensity according to the forecast model. The method can ensure the accuracy of the capability curve, simultaneity, easy to compress the dynamic simulation to 1/3 of the original one, the simulation time compress more as the more change of the calling intensity. In addition, when the need of the dynamic simulation for the memory and the CPU overstep the capability of the personal computer with the small calling intensity, the system however give the good simulation forecast result by using the personal computer.

Description

technical field [0001] The invention relates to a fast simulation method for network layer performance of a third-generation mobile communication system, and belongs to the technical field of network layer simulation for wireless communication systems. Background technique [0002] After the mobile communication system experienced the rapid development process of the first-generation analog technology mobile communication business, it entered the era of the second-generation digital communication system; and the third-generation mobile communication system (3G) is a booming Introduced into the agenda in development. In today's Internet data business trend of continuous heating up, under the background of continuous improvement of fixed access rate (HDSL, ADSL, VDSL) services, the third-generation mobile communication system has also seen its own dawn, and is becoming more and more popular for telecom operators, communication Equipment manufacturers and ordinary users are co...

Claims

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Application Information

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IPC IPC(8): H04Q7/34H04M3/36H04W24/06
Inventor 许文俊贺志强牛凯吴伟陵
Owner BEIJING UNIV OF POSTS & TELECOMM
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