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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
- 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 estimation ; orthogonal frequency ; division multiplexing (OFDM) system ; pilot 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
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