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Training Based Channel Estimation in MIMO-OFDM Systems

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Author(s): Hamidreza Bakhshi | Maryam Imani

Journal: Journal of Biophysical Chemistry
ISSN 2153-036X

Volume: 04;
Issue: 01;
Start page: 54;
Date: 2012;
Original page

Keywords: Training Symbol | Channel Estimation | MIMO | OFDM | LS

ABSTRACT
OFDM combined with the MIMO technique has become a core and attractive technology in future wireless communication systems and can be used to both improve capacity and quality of mobile wireless systems. Accurate and efficient channel estimation plays a key role in MIMO-OFDM communication systems, which is typically realized by using pilot or training sequences by virtue of low complexity and considerable performance. In this paper, we discuss some methods for channel estimation based training symbols in MIMO-OFDM systems. The results confirm the superiority of the represented methods over the existing ones in terms of bandwidth efficiency and estimation error.
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