Some excellent methods for optimizing the coverage of SFN are reviewed in this paper. A method for constructing single frequency network with low-power transmitters is proposed.

• 摘要介绍了国际上流行的一些单频网覆盖优化方法，并提出了采用对人体辐射影响较小的小功率发射机进行信号覆盖的方案。