Doppler Spread Estimation by Subspace Tracking for OFDM Systems

Details Doppler Spread Estimation by Subspace Tracking for OFDM Systems Doppler Spread Estimation by Subspace Tracking for OFDM Systems

2008-11-04

arxiv.org/abs/0811.0419v1

Computer Science

Information Theory

5 pages, 3 figures, To appear in IEEE GLOBECOM'08

Scientific paper

This paper proposes a novel maximum Doppler spread estimation algorithm for
OFDM systems with the comb-type pilot pattern. By tracking the drifting delay
subspace of the multipath channel, the time correlation function is measured at
a high accuracy, which accordingly improves the estimation accuracy of the
maximum Doppler spread considerably.

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