文章基本信息

标题：Performance Evaluation of Channel Estimation Techniques in OFDM based Mobile Wireless System
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作者：Kussum Bhagat ; Jyoteesh Malhotra
期刊名称：International Journal of Future Generation Communication and Networking
印刷版ISSN：2233-7857
出版年度：2015
卷号：8
期号：3
页码：53-60
DOI：10.14257/ijfgcn.2015.8.3.05
出版社：SERSC
摘要：In this modern wireless technology Multicarrier communication is one of the more suitable and reliable communication technique. Orthogonal Frequency Division Multiplexing (OFDM) is used as modulation technique in multicarrier communication. The present paper gives an overview of OFDM and the various Channel Estimation techniques used in OFDM. The results implemented in MATLAB gives the performance of LS and the MMSE channel estimators for an OFDM system based on the parameters of BER and MSE. Paper also describes the Delayed feedback MIMO OFDM channel estimation performance of LS and LMMSE and DFT based channel estimation technique for LS-linear and MMSE estimator. BPSK and 16-QAM modulation techniques are used.
关键词：OFDM; BER; MSE; LS; MMSE