Blockwise Phase Rotation-Aided Analog Transmit Beamforming for 5G mmWave Systems

03/31/2021 ∙ by Md. Abdul Latif Sarker, et al. ∙ 0

In this letter, we propose a blockwise phase rotation-aided analog transmit beamforming (BPR-ATB) scheme to improve the spectral efficiency and the bit-error-rate (BER) performance in millimeter wave (mmWave) communication systems. Due to the erroneous construction of the conventional transmit beamforming, we design the BPR-ATB for achieving an efficient beam pattern and improving the Euclidean distance. To verify the effectiveness of the proposed BPR-ATB scheme, we employ an Alamouti coding technique at the transmitter and evaluate the bit-error-rate performance for a mmWave multiple-input and single-output system. The simulation results show that the proposed BPR-ATB scheme outperforms the conventional discrete Fourier transform-based ATB scheme.

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