Channel estimation is the key technique to implement OFDM system, and is also the hotspot of research.
信道估计是实现OFDM系统的关键技术之一，也是目前研究热点。
This paper mainly conducts research on the application of LDPC-OFDM system in wireless data transmission.
本文研究了LDPC - OFDM系统用于无线数据传输中的具体实现问题。
On the base of analysis of power line channel and OFDM system, research is focused on the channel estimation algorithm.
在对电力线和OFDM 系统分析的基础上，重点研究了信道估计算法。
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