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Complexity-Reduced Channel Estimation in Spatially Correlated MIMO-OFDM Systems

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Authors
Choi, Ji-Woong; Lee, Yong-Hwan
Issue Date
2007-09
Publisher
Institute of Electronics, Information and Communication Engineers (IEICE)
Citation
IEICE Trans. Commun., vol.E90-B, no.9, pp.2609-2612, Sept. 2007
Keywords
channel estimationMIMO-OFDMspatially correlated channel
Abstract
The performance of a MIMO-OFDM system significantly depends upon the accuracy of the channel impulse response (CIR) estimates. In the presence of correlation between the CIRs of the transmit or receive antennas, it is desirable to exploit this correlation to improve the
performance of CIR estimation. In this letter, we propose a low-complexity channel estimation filter composed of four concatenated one-dimensional Wiener filters which are optimized to the channel characteristics in the time and frequency domains, and the transmit and receiver antenna front ends, respectively. Finally, the performance of the proposed scheme is verified.
ISSN
0916-8516
Language
English
URI
http://hdl.handle.net/10371/6744

http://search.ieice.org/bin/summary.php?id=e90-b_9_2609&category=B
DOI
https://doi.org/10.1093/ietcom/e90-b.9.2609
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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