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application/pdfIEEEIEEE Access;2019;7; ;10.1109/ACCESS.2019.2947533Massive MIMO antenna arrayspatial fading correlationpower Azimuth spectrumapproximation algorithmApproximation Algorithm Based Channel Estimation for Massive MIMO Antenna Array SystemsHao JiangDenghong TangJie ZhouXiaoli XiJiao FengJian DangLiang Wu
IEEE Access149364 2019710.1109/ACCESS.2019.2947533149372
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