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2008

Coherent and Differential ICI Cancellation for Mobile OFDM with Application to DVB-H

8 years 7 months ago
Coherent and Differential ICI Cancellation for Mobile OFDM with Application to DVB-H
We develop a reduced-complexity hybrid frequency/time-domain orthogonal frequency division multiplexing (OFDM) channel estimation algorithm for high-mobility scenarios where the channel varies significantly within each OFDM block, resulting in severe intercarrier interference (ICI). The algorithm exploits the banded and symmetric structure of the channel matrix in the frequencydomain and its sparse structure in the time-domain to achieve significant complexity reductions, which we quantify for the Digital Video Broadcasting-Handheld (DVB-H) system. Furthermore, we compare coherent and differential mobile OFDM detection for DVB-H.
Sili Lu, Naofal Al-Dhahir
Added 16 Dec 2010
Updated 16 Dec 2010
Type Journal
Year 2008
Where TWC
Authors Sili Lu, Naofal Al-Dhahir
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