数字电视中的频域频率同步技术

Frequency synchronization technique in frequency domain in DTV

提出了一种宽带数字电视地面广播(BDB-T)系统的同步解决方案,重点研究了频域中的频率同步部分,通过对各种算法的仿真分析比较,给出易于实现、节省资源的频域频率同步算法并完成了相应的FPGA硬件电路设计,经BDB-T功能样机在实际无线环境中的传输测试,证明了算法及其电路的良好实际工作性能。

This paper proposes a new synchronization scheme suitable for BDB-T COFDM system. Also, it presents the frequency synchronization algorithms in frequency domain easy to be implemented through simulating and analyzing varieties of synchronization algorithms. And the respective FPGA hardware circuit through testing process in the actual wireless environment proves its good performance.