Zhejiang Daxue xuebao. Lixue ban (Mar 2008)

DCT/IDCT-based interpolation for channel estimation in OFDM systems(OFDM系统DCT/IDCT插值信道估计算法)

JINNing(金宁),
LIXi-hua(李锡华),
SHIJi-gang(史济刚)

Affiliations

JINNing(金宁): 1.Department of In formation Engineering, China Jiliang University, Hangzhou 310018, China( 1.中国计量学院信息工程学院，浙江杭州 310018)
LIXi-hua(李锡华): 2.Department of In formation Science and Electronics Engineering, Zhejiang University, Hangzhou 310027, China( 2.浙江大学信息与电子工程系，浙江杭州 310027)
SHIJi-gang(史济刚): 1.Department of In formation Engineering, China Jiliang University, Hangzhou 310018, China( 1.中国计量学院信息工程学院，浙江杭州 310018)

DOI
Journal volume & issue: Vol. 35, no. 2
pp. 178 – 180

Abstract

导频辅助信道估计是OFDM系统常用的信道估计算法，本文研究基于变换域的导频辅助信道估计算法.在DFT插值法的基础上，提出了基于离散余弦变换(DCT)的信道估计方法.仿真结果表明，该插值算法的MSE和SER性能优于DFT方法.与MMSE算法相比，该插值算法计算复杂度低，易于物理实现.

Published in Zhejiang Daxue xuebao. Lixue ban

ISSN: 1008-9497 (Print)
Publisher: Zhejiang University Press
Country of publisher: China
LCC subjects: Science: Mathematics: Instruments and machines: Electronic computers. Computer science; Science: Physics
Website: https://www.zjujournals.com/sci/EN/1008-9497/home.shtml

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