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Optimum pilot pattern for channel estimation in OFDM systems

Cited 73 time in Web of Science Cited 94 time in Scopus
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
https://hdl.handle.net/10371/6134
DOI
https://doi.org/10.1109/TWC.2005.853891
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