Study and Analysis of Channel Estimation Techniques for OFDM Based Wireless Communication Systems

被引：1
|
作者：
Madni, Haji Muhammad Furqan Ahmed [1 ]
Ali, Bakhtiar [1 ]
Butt, Muhammad Fasih Uddin [1 ]
机构：
[1] COMSATS Inst Informat Technol, Islamabad, Pakistan
来源：
PROCEEDINGS OF 2014 12TH INTERNATIONAL CONFERENCE ON FRONTIERS OF INFORMATION TECHNOLOGY | 2014年
关键词：
D O I：
10.1109/FIT.2014.20
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper channel estimation techniques for a Single Input Single Output - Orthogonal frequency division multiplexing (SISO-OFDM) communication system has been studied. The attainable performance of Sample-Spaced (SS) Decision Directed Channel Estimation (DDCE) and Fractionally-Spaced (FS) DDCE technique is analyzed. It is shown that the performance of FS-Channel Impulse Response (CIR) based DDCE scheme is better than its SS-CIR based DDCE scheme. The performance of these schemes is also compared with the benchmark Ideal Channel Estimation (ICE). The performance of DDCE-SS-CIR for different values of normalized Doppler frequency is also presented. The work is also extended to include (2 x 2) MIMO-OFDM.
引用
收藏
页码：56 / 60
页数：5
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