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Channel estimation and signal detection for MIMO-OFDM with time varying channels

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2 Author(s)
Won-Gyu Song ; Dept. of Electr. Eng. & Comput. Sci., KASIT, Daejeon ; Jong-Tae Lim

Time varying channels will degrade the performance of orthogonal frequency division multiplexing (OFDM) due to the interchannel interference (ICI). In this paper, we propose the channel estimation for multiple input multiple output (MIMO)-OFDM with time varying channels based on the grouped and equispaced pilot tones. Specifically, we approximate the time varying channels to the polynomials. Additionally, we propose the detection method for the OFDM with ICI.

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Communications Letters, IEEE  (Volume:10 ,  Issue: 7 )