TWA-based channel estimation for CO-OFDM systems

被引:0
|
作者
李莉 [1 ]
吴迪 [1 ]
韩力 [2 ]
胡贵军 [1 ]
机构
[1] College of Communication Engineering, Jilin University
[2] College of Physics, Jilin University
基金
中国国家自然科学基金;
关键词
OFDM; TWA-based channel estimation for CO-OFDM systems; BER; HLS; CO; OSNR; TA;
D O I
暂无
中图分类号
TN929.1 [光波通信、激光通信];
学科分类号
0803 ;
摘要
An efficient channel estimation method called time-domain weighted average(TWA) algorithm is proposed for coherent optical orthogonal frequency division multiplexing(CO-OFDM) systems. On the premise of calculating the associated weight of channel transfer function, a more exact channel characteristic is obtained by calculating the weighted average of the pilot transfer function in this algorithm. Compared with time-domain average(TA) algorithm, the TWA algorithm can reach the same bit error rate(BER) with fewer pilots, and it improves the performance of CO-OFDM systems.
引用
收藏
页码:133 / 136
页数:4
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