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Optimum pilot pattern for channel estimation in OFDM systems

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Authors
Choi, Ji-Woong; Lee, Yong-Hwan
Issue Date
2005-09
Publisher
Institute of Electrical and Electronics Engineers (IEEE);
IEEE Communications Society;
IEEE Signal Processing Society
Citation
IEEE Trans. Wireless Commun., vol. 4, pp. 2083-2088, Sept. 2005
Keywords
Channel estimationorthogonal frequencydivision multiplexing (OFDM) systempilot pattern
Abstract
The performance of channel estimation in orthogonal frequency division multiplexing (OFDM) systems significantly depends on the pilot signal, which is usually scattered in time and frequency domains. For a given pilot density, the authors optimally design the pilot pattern so as to minimize the mean squared error (MSE) of the channel estimate with the use of a general interpolator. The analytic results are verified by computer simulation.
ISSN
1536-1276
Language
English
URI
http://hdl.handle.net/10371/6134
DOI
https://doi.org/10.1109/TWC.2005.853891
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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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