【摘要】：移動(dòng)通信中的網(wǎng)絡(luò)規(guī)劃仿真是運(yùn)營商在進(jìn)行網(wǎng)絡(luò)建設(shè)前評(píng)估網(wǎng)絡(luò)規(guī)劃方案的重要依據(jù),其原理是基于地理信息系統(tǒng)、信號(hào)傳播模型以及規(guī)劃工程參數(shù)進(jìn)行網(wǎng)絡(luò)的覆蓋預(yù)測、資源分配以及評(píng)估網(wǎng)絡(luò)容量和性能,并根據(jù)仿真的結(jié)果對(duì)工程參數(shù)進(jìn)行優(yōu)化,最終目的是使整個(gè)網(wǎng)絡(luò)達(dá)到“覆蓋”、“容量”和“干擾”三者的和諧統(tǒng)一。同時(shí),規(guī)劃仿真對(duì)于網(wǎng)絡(luò)建成后的優(yōu)化以及補(bǔ)盲具有宏觀的指導(dǎo)作用。本文首先以TD-SCDMA規(guī)劃仿真為例,說明了規(guī)劃仿真的基本要求和流程以及仿真方法。其次,本文介紹了TD-HSDPA規(guī)劃仿真的方法,從本質(zhì)來看,基于共享信道的調(diào)度機(jī)制是TD-HSDPA規(guī)劃仿真的最重要特征。之后,本文根據(jù)技術(shù)的發(fā)展演進(jìn),重點(diǎn)分析論述了TD-LTE規(guī)劃仿真的流程和方法,并針對(duì)蒙特卡羅仿真的調(diào)度機(jī)制提出了可行的實(shí)現(xiàn)方法:一種用戶排序方法和一種仿真收斂機(jī)制,這兩項(xiàng)研究目前正在中國移動(dòng)內(nèi)部的規(guī)劃仿真工具中正在逐步實(shí)現(xiàn)。最后,本文對(duì)比了規(guī)劃仿真和現(xiàn)網(wǎng)實(shí)際測試的結(jié)果,討論分析了規(guī)劃仿真的準(zhǔn)確性。本文針對(duì)規(guī)劃仿真所提出的一種用戶優(yōu)先級(jí)排序算法,一種收斂機(jī)制方法具有一定的工程指導(dǎo)意義。另外,本文對(duì)提高規(guī)劃仿真準(zhǔn)確性等方面的研究探討,具有較強(qiáng)的實(shí)用功能。
[Abstract]:The network planning simulation in mobile communication is an important basis for operators to evaluate the network planning scheme before the network construction. Its principle is based on geographic information system (GIS), signal transmission model and planning engineering parameters to predict the coverage of the network. Resource allocation and evaluation of network capacity and performance, and optimization of engineering parameters according to the simulation results, the ultimate goal is to make the whole network "coverage", "capacity" and "interference" harmonious unity. At the same time, planning simulation plays a macro-guiding role in network optimization and blind compensation. In this paper, TD-SCDMA programming simulation is taken as an example to illustrate the basic requirements, flow chart and simulation method of planning simulation. Secondly, this paper introduces the method of TD-HSDPA planning simulation. In essence, the scheduling mechanism based on shared channel is the most important feature of TD-HSDPA planning simulation. Then, according to the development and evolution of technology, this paper analyzes and discusses the flow and method of TD-LTE planning simulation. A feasible implementation method is proposed for the scheduling mechanism of Monte Carlo simulation: a user ordering method and a simulation convergence mechanism. These two studies are being implemented step by step in the planning simulation tools of China Mobile. Finally, this paper compares the results of the planning simulation with the actual test results, and discusses the accuracy of the planning simulation. In this paper, we propose a user priority ranking algorithm for planning simulation, and a convergence mechanism method has a certain significance of engineering guidance. In addition, this paper has a strong practical function to improve the accuracy of planning simulation.
【學(xué)位授予單位】：南京郵電大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TN929.5

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本文編號(hào)：2312273