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- W2090344466 abstract "In this paper, we propose a robust soft decision method based on channel state information (CSI) for coded orthogonal frequency division multiplexing (COFDM) systems. In the presence of co-channel interference (CCI), conventional soft decision decoding is performed by a simple erasing method for frequency selective CCI. But the conventional method cannot obtain sufficient performance gain because the CCI power varies and a considerable number of bits are affected by the CCI. For this reason, we consider a novel weighting method based on the specific CSI such as statistical location and instantaneous power of the CCI as well as typical frequency-selective fading channel. Simulation results verify that the proposed CSI estimation is sufficiently reliable for digital video broadcasting-terrestrial (DVB-T) system with analog TV signals as the CCI. In addition, the proposed soft decision method guarantees superior coded bit error rate (BER) performance compared to the conventional method." @default.
- W2090344466 created "2016-06-24" @default.
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- W2090344466 date "2009-04-01" @default.
- W2090344466 modified "2023-09-25" @default.
- W2090344466 title "Robust CSI-Based Soft Decision for COFDM Systems with Co-Channel Interference" @default.
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- W2090344466 doi "https://doi.org/10.1109/vetecs.2009.5073839" @default.
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