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An Efficient Machine Learning Based precoding Algorithm for Millimeter-Wave Massive MIMO

Computers, Materials & Continua 2022年第6期71卷 5399-5411页

作者： Waleed Shahjehan Abid Ullah Syed Waqar Shah Ayman A.Aly Bassem F.Felemban Wonjong Noh Department of Electrical Engineering University of Engineering and Technology PeshawarPakistan Department of Mechanical Engineering College of EngineeringTaif UniversityTaif21944Saudi Arabia School of Software Hallym UniversityChuncheon24252Korea

Millimeter wave communication works in the 30–300 GHz frequency range,and can obtain a very high bandwidth,which greatly improves the transmission rate of the communication system and becomes one of the key technologies of fifth-generation(5G).The smaller wavelength of the millimeter wave makes it possible to assemble a large number of antennas in a small *** resulting array gain can compensate for the path loss of the millimeter *** this feature,the millimeter wave massive multiple-input multiple-output(MIMO)system uses a large antenna array at the base *** enables the transmission of multiple data streams,making the system have a higher data transmission *** the millimeter wave massive MIMO system,the precoding technology uses the state information of the channel to adjust the transmission strategy at the transmitting end,and the receiving end performs equalization,so that users can better obtain the antenna multiplexing gain and improve the system *** paper proposes an efficient algorithm based on machine learning(ML)for effective system performance in mmwave massive MIMO *** main idea is to optimize the adaptive connection structure to maximize the received signal power of each user and correlate the RF chain and base station *** results show that,the proposed algorithm effectively improved the system performance in terms of spectral efficiency and complexity as compared with existing algorithms.

关键词： MIMO phased array precoding scheme machine learning optimization

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