MATLAB实现,基于OCDM水下基带通信仿真,对比了不同子载波激活的下OCDM水下通信性能,引入多径信道,采用相同信道估计方法,并对比了不同子载波数下的MMSE均衡效果。
信道估计方法参考论文
Robust Channel Estimation for Coherent Optical Orthogonal Chirp-Division Multiplexing With Pulse Compression and Noise Rejection | IEEE Journals & Magazine | IEEE XploreRobust Channel Estimation for Coherent Optical Orthogonal Chirp-Division Multiplexing With Pulse Compression and Noise Rejection
OCDM原作者提出采用菲涅尔子载波的估计方法。下图是原论文信道估计公式推导部分
https://download.csdn.net/download/weixin_45784327/89511741?spm=1001.2014.3001.5503