Study On Optical Communications, Volume. 50, Issue 3, 23007601(2024)
OTFS Channel Estimation based on OGCE-BEM
Figures & Tables(7)
Fig. 3. Comparison of MSE performance with different number of basis functions
Fig. 4. Comparison of MSE performance with different forgetting factors
Fig. 5. Comparison of MSE performance of different channel estimation algorithms
Table 1. Basis function coefficient estimation based on RLS filter
View tableView in ArticleTable 1. Basis function coefficient estimation based on RLS filter
基于RLS滤波器的基函数系数估计 1. 初始化：cq(0)=0，R-1(0)=δ-2I，λ(0)=0.95 2. bq(n)=ej2πnz(q-Q/2)/ZN 3. 4. 5. 更新RLS滤波器系数： 
6. 更新RLS滤波器相关矩阵： 
7. 8. 9. 10. cq(n)=cq(n-1)+k(n)e(n)
Table 2. Complexity comparison of algorithm
View tableView in ArticleTable 2. Complexity comparison of algorithm
信道估计算法 计算复杂度 LS算法 O(N) BEM-LS算法 O((QL)2N) BEM-LMMSE算法 O((QL)N2) 本文算法 O((QL)N2)
Tools
Get Citation
Copy Citation Text
Xinyi LI, Zhibin XIE, Jinbo ZHANG, Yunlong MAO. OTFS Channel Estimation based on OGCE-BEM[J]. Study On Optical Communications, 2024, 50(3): 23007601
Paper Information
Category: Research Articles
Received: May. 21, 2023
Accepted: --
Published Online: Jul. 19, 2024
The Author Email: XIE Zhibin (xiezhibin@just.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20