针对煤矿无线通信系统需求,研究设计了成本低,覆盖范围广的TD-SCDMA井下射频模块。模块采用FPGA和CPLD逻辑器件组成系统硬件平台,开源μC/OS-II实时嵌入式操作系统为核心,配合高质量的射频模块。完成井下TD-SCDMA系统无线信号的覆盖工作,并且地面监控软件可以实时监控模块状态。 According to the demand of coal mine wireless communication system, TD-SCDMA underground RF module with low cost and wide coverage is researched and designed. The module uses FPGA and CPLD logic devices to form the system hardware platform, open source μC / OS-II real-time embedded operating system as the core, with high-quality RF module. Completion of underground TD-SCDMA system wireless signal coverage, and ground monitoring software can monitor the module status in real time.