Electromagnetic Radiation Prediction Of Heterogeneous Cellular Network Base Station Based On Poisson Cluster Process

Nowadays cellular network of mobile communication is developing towards isomerization and multilayer.In the macrocellular edge(blind area)region of heterogeneous cellular network,the distribution of base stations often forms clusters.Until now,There is no method that can be based on the Poisson cluster process presented by the base station in a heterogeneous cellular network,to evaluate the electromagnetic radiation of multi-layer base stations in the area.On the other hand,electromagnetic radiation often varies randomly.Due to the limited test samples,it is difficult to accurately evaluate the overall mean value of the electromagnetic radiation.In view of the above problems,the main work and innovation of this paper are as follows:(1)This paper presents a method for electromagnetic radiation prediction of heterogeneous cellular base stations based on poisson cluster process.This method firstly satisfies the poisson process according to the number of acer stations and the mobile phone flow value in the region.Uses the poisson process to model it,then the distribution of acer stations is obtained by using the uniform distribution method according to the number of acer stations.According to the Poisson cluster process theorem in heterogeneous cellular networks,the weak coverage points and microbase stations are modeled.The number and distribution of microbase stations are obtained.Finally,the predicted value of electromagnetic radiation in heterogeneous cellular networks is calculated.In this paper,the prediction method is tested in four different experimental areas and verified by experiments.Finally,the relative errors between the predicted value of electromagnetic radiation and the actual measured value of macro station and micro base station are compared.In acer standing under the selected four experimental area.The relative error between 0.441% ? 4.861% between the selected four experiments under micro base station area between the relative error between 0.339% ? 4.915%.By the above data can be obtained.The prediction method proposed in this paper can effectively evaluate the electromagnetic radiation of multi-layer base stations in the region.(2)This paper presents an average electromagnetic radiation prediction method based on gaussian model is proposed.This method firstly were measured by using spectrum analyzer in the time domain state amplitude values,the electromagnetic radiation value was calculated.The Gaussian probability density function and Gaussian cumulative distribution function were fitted in MATLAB.Finally,the average electromagnetic radiation value of the base station is predicted by the parameters of the gaussian model.In this paper,the prediction method is tested in four different experimental areas and verified by experiments.Finally,the deviation rate between the predicted value of electromagnetic radiation of the base station and the actual measured value is compared.The deviation rate between the predicted value and the actual measured value of the station electromagnetic radiation in the selected four experimental areas is between 1.5%?3.9%.