Abstract-In our attempt to shed some light on the potential role that micro-courses may play in the distance education, we have tried to from four aspects to focus on the feasibility of application of micro-courses in distance education. Firstly, summarize -the concepts and definitions of Micro-course. Secondly, examples -make a brief description and analysis of the situation of micro-course, such as research papers, the existing micro-course resources as well as the classification. Thirdly, analysis-analyze the feasibility of application of microcourses in distance education, we concluded that the two can complement each other, make up for their shortcomings. Finally, summary-we put forward micro-course design principles in distance education and extract the micro-course design model.
In mobile network, a deviation of cell coverage area influences many network performance indexes. Cell coverage analyses are vital to network optimization. The traditional check method is DT (Drive Test) or FSP (Field Strength Prediction) by manpower which costs much time and resources. This paper presents an intelligent multiple factors analysis method on cell coverage, and designs the relevant software system based on GIS platform. This system derives a cell coverage analysis chart and identifies the cells with cross-boundary coverage or poor coverage problem by collecting a huge number of mobile phone measure data in OMC and analyzing multiple factors based on the measure data and the basic data of cells. The measure data analysis aims to compute signal level distribution, sample point distribution, category of interferences. The basic data of cells includes neighborhood relationship, azimuth ward, location and distance between two cells. The base station site level can be computed from the basic data of cells by the triangulation method. The calculation and analysis results are presented in the map based on GIS platform to improve visualization. This method and system are validated by a large number of actual datasets from an in-service GSM network. Contrast with the traditional cell analysis method, this method and system demonstrate advantages in intelligence, accuracy, timeliness, and visualization
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