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相干光OFDM系统中的信道均衡算法研究
Research on channel equalization algorithm in coherent optical OFDM system
【摘要】 为降低CO-OFDM系统中盲均衡算法的计算复杂度,提高系统性能,提出了一种基于符号判断的修正常模算法(sign-MCMA)。通过描述算法的实现过程衡量其系统性能,并搭建CO-OFDM实验平台,验证了该算法的信道均衡效果。
【Abstract】 In order to decrease the computational complexity of blind equalization algorithm in coherent optical orthogonal frequency division multiplexing(CO-OFDM) systems and increase the performance of the systems,the paper proposes the modified constant modulus algorithm(MCMA) based on signum function.It values the performance of the algorithm by describing the algorithm process,verifies the channel equalization effect of the proposed algorithm by establishing the CO-OFDM experiment system.
【关键词】 常模算法;
计算复杂度;
相干光正交频分复用;
修正常模算法;
【Key words】 constant modulus algorithm(CMA); computational complexity; CO-OFDM; MCMA;
【Key words】 constant modulus algorithm(CMA); computational complexity; CO-OFDM; MCMA;
【基金】 国家自然科学基金项目(61271216)资助
- 【文献出处】 光通信技术 ,Optical Communication Technology , 编辑部邮箱 ,2016年01期
- 【分类号】TN929.1
- 【被引频次】1
- 【下载频次】152