WCSE 2015
ISBN: 978-981-09-5471-0 DOI: 10.18178/wcse.2015.04.093

Frequency-Domain Channel Estimation for SC-FDE in HF Channel

Qingyun Zhu, Xu He, Shaoqian Li

Abstract— HF channel is a common multipath propagation resulting in frequency selective fading, SC-FDE can better resist frequency selective fading, but commonly used frequency domain equalization algorithm needs to get channel estimates. In this paper, the research group is applicable in the HF channel frequency domain channel estimation. The algorithm after the least-squares (LS) channel estimation algorithm, used methods that are the sliding pilot blocks and set small energy paths to zero to eliminate Gaussian noise and then used the interpolation algorithm to reduce the number of pilot in the frame structure to improve the transmission efficiency and track the fading of HF channel. Through the simulation prove that, the algorithm has good use to estimate the channel estimates also improve the spectrum utilization efficiency.

Index Terms— Frequency domain channel estimation. Sliding pilot block. Set small energy paths to zero.

Qingyun Zhu, Xu He, Shaoqian Li
National key Lab of Communication, University of Electronic Science and Technology of China, CHINA


Cite: Qingyun Zhu, Xu He, Shaoqian Li, "Frequency-Domain Channel Estimation for SC-FDE in HF Channel," 2015 The 5th International Workshop on Computer Science and Engineering-Information Processing and Control Engineering (WCSE 2015-IPCE), pp. 559-567, Moscow, Russia, April 15-17, 2015.