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3-Dimensional MMSE Channel Estimation in Multi-Antenna OFDM Systems

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Authors
Kim, Soo-Kwan; Lee, Yong-Hwan
Issue Date
2008-07
Citation
ICDT '08. The Third International Conference on Digital Telecommunications, 2008
Keywords
MMSEchannel estimationMulti-antennaOFDM
Abstract
In this paper, we propose a three-dimensional (3-D)
channel estimation (CE) scheme to reduce the mean square error
(MSE) in multi-antenna orthogonal frequency division
multiplexing (OFDM) systems. Exploiting the channel correlation
in the spatial domain as well as in the frequency and time domain,
the proposed 3-D CE scheme can outperform conventional twodimensional
(2-D) CE schemes, by either reducing the MSE with
the same complexity or providing the same MSE performance
with less complexity. Simulation results show that the proposed
scheme is quite effective in the presence of spatial correlation.
Language
English
URI
http://www.iaria.org/conferences2008/ICDT08.html

http://hdl.handle.net/10371/7546
DOI
https://doi.org/10.1109/ICDT.2008.31
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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