Murali Krishna Pavuluri, Prem Singh, A. Jagannatham, V. Gadre
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Semi-Blind Technique for Frequency Selective Channel Estimation in Millimeter-Wave MIMO Coded FBMC System
In this paper, a novel millimeter wave (mmWave) multiple-input multiple-output (MIMO) system based on coded filter bank multicarrier (FBMC) waveform is proposed. The coded FBMC modifies FBMC waveform such that it mitigates intrinsic interference by spreading the symbols in time. Next, a semi-blind channel estimation scheme is proposed for the mmWave MIMO coded FBMC system. The proposed semiblind estimation exploits the data symbols along with pilots to substantially enhance the mean square error (MSE) performance. Therefore, the proposed work is superior to the existing works in terms of accuracy of channel estimation. The simulation results indicate improved MSE performance of the proposed semi-blind scheme in comparison to the existing conventional training based channel estimation techniques.
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