All-Analog Structures for AF Relaying in mmWave Massive MIMO Systems
2021 IEEE 4th 5G World Forum (5GWF)(2021)
摘要
Hybrid analog/digital (A/D) beamforming is preferred in the implementation of relays for mmWave massive multiple-input multiple-output (mMIMO) systems due to the smaller number of radio frequency (RF) chains required compared to fully digital (FD) beamforming. Although the hybrid structure reduces system cost and power consumption, it still requires expensive baseband processing while the unit-mod...
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关键词
mmWave,massive MIMO,hybrid beamforming,hybrid A/D signal processing,amplify-and-forward relay
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