时频编码协作MC-CDMA无线传输在矿井巷道中的应用

Application of Wireless Transmission Time-frequency Coded Cooperation MC-CDMA in Mine Tunnel

通过对矿井信号系统进行优化,介绍时频MC-CDMA的基本组成机构和主要技术,计算仿真参数,对不同条件下的系统BER性能进行分析。考虑脉冲的影响和多普勒频移的影响,系统BER性能会出现不同程度的变化,合理利用这一特点,能够实现矿井通信系统的优化设计。

Through time-frequency MC-CDMA to optimize the design of mine signaling system,introduce its basic component agencies and major technology,computing simulation parameters of the system,and analyze system 's BER performance under different conditions. Consider the impact of the pulse and doppler shift,the system BER performance will vary,rationally using this feature make it possible to optimize the design of mine communication systems.