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目的为了更好地分析共建共享基站的电磁辐射环境影响,研究一种简单、便于工程应用的预测模式。方法从智能与传统天线的基本原理和环境影响的角度出发,利用自由空间传播模式,通过方向函数的拟合、能量的叠加、功率控制分析和发射占空情况分析。结果该模式可分别对使用智能天线和传统天线的移动通信系统进行电磁辐射影响预测与分析。结论该模式已成功应用于中国移动广东公司GSM、TD-SCDMA工程的环境影响评价报告的编制,以及作为共建共享基站申请审查的技术依据,取得了良好的经济与社会效益。
Objective In order to better analyze the environmental impact of co-built base stations for electromagnetic radiation, a simple prediction mode that is suitable for engineering application is studied. Methods From the perspectives of the basic principle and environmental impact of smart and traditional antennas, we use free space propagation mode, fitting by direction function, superposition of energy, power control analysis and launch occupancy analysis. Results This model enables the prediction and analysis of electromagnetic radiation effects on mobile communication systems using smart antennas and conventional antennas, respectively. Conclusion This model has been successfully applied in the preparation of the EIA report of GSM and TD-SCDMA projects of China Mobile Guangdong Corporation and as a technical basis for application review of co-built base stations, which has achieved good economic and social benefits.