Production of Time Domain Fuzzy Control Rules for Channel Estimation and Equalization in OFDM Based Communication Systems

2006 ◽  
Author(s):  
A. Ozen ◽  
B. Soysal ◽  
I. Kaya ◽  
I.H. Altas
Keyword(s):  
Channel Estimation ◽  
Fuzzy Control ◽  
Time Domain ◽  
Communication Systems ◽  
Control Rules ◽  
Channel Estimation And Equalization

A Time-Domain Approach to Channel Estimation and Equalization for the SC-FDM System

2019 ◽  
Vol 65 (4) ◽  
pp. 713-726 ◽  
Author(s):  
Huiyang Qu ◽  
Guanghui Liu ◽  
Yanyan Wang ◽  
Qiang Chen ◽  
Chao Yi ◽  
...  
Keyword(s):  
Channel Estimation ◽  
Time Domain ◽  
Channel Estimation And Equalization

scholarly journals Low-complexity beam-domain channel estimation and power allocation in hybrid architecture massive MIMO systems

2019 ◽  
Vol 2019 (1) ◽  
Author(s):  
Xiao Chen ◽  
Zaichen Zhang ◽  
Liang Wu ◽  
Jian Dang
Keyword(s):  
Channel Estimation ◽  
Power Allocation ◽  
Spectral Efficiency ◽  
Communication Systems ◽  
Mimo Systems ◽  
Beam Steering ◽  
Estimation Method ◽  
Low Complexity ◽  
Estimation Accuracy ◽  
Hybrid Architecture

Abstract In this journal, we investigate the beam-domain channel estimation and power allocation in hybrid architecture massive multiple-input and multiple-output (MIMO) communication systems. First, we propose a low-complexity channel estimation method, which utilizes the beam steering vectors achieved from the direction-of-arrival (DOA) estimation and beam gains estimated by low-overhead pilots. Based on the estimated beam information, a purely analog precoding strategy is also designed. Then, the optimal power allocation among multiple beams is derived to maximize spectral efficiency. Finally, simulation results show that the proposed schemes can achieve high channel estimation accuracy and spectral efficiency.

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