摘要
介绍了基于国家标准的地面数字电视单频网覆盖规划方法。通过选取电波预测模型,估算了覆盖区域内接收场强,进而在实际地理环境上进行了地面数字电视覆盖网的规划设计;通过无线网络仿真软件ICS telecom对单频网进行规划仿真,验证了单频组网对覆盖范围和接收性能的改善效果,最后提出了地面数字电视单频网覆盖过程中的一些问题和可行的解决方法。
The coverage planning method of single Frequency Network（SFN） based on DTMB is introduced in the paper. The coverage radius of the DTMB signal is estimated by selecting different propagation models. The SFN eoverage planning and receiving performance improvement are validated in the ICS telecom simulation. Some matters that should be noticed when planning the DTMB SFN are also presented.
出处
《电视技术》
北大核心
2009年第11期9-11,27,共4页
Video Engineering
基金
北京市重点学科基金资助项目(XK100070525)
