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Optimal Design and Placement of Pilot Symbols for Channel Estimation (2002)
by
Min Dong
,
Lang Tong
| Venue: | IEEE Trans. on Signal Processing |
| Citations: | 56 - 14 self |
BibTeX
@ARTICLE{Dong02optimaldesign,
author = {Min Dong and Lang Tong},
title = {Optimal Design and Placement of Pilot Symbols for Channel Estimation},
journal = {IEEE Trans. on Signal Processing},
year = {2002},
volume = {50},
pages = {3055--3069}
}
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Abstract
The problem of design and placing pilot symbols for the estimation of frequency selective random channels is considered. For both SISO and MIMO channels, the Cramer-Rao Bound (CRB) on the mean square error of channel estimators is derived and minimized with respect to the pilot symbols and their placement. It is shown that placing pilot symbols, possibly in multiple clusters, in the middle of the data packet leads to minimum CRB.
