Hybrid Beamforming for Massive MIMO Over-the-Air Computation
IEEE Transactions on Communications(2021)
摘要
Over-the-air computation (AirComp) has been recognized as a promising technique in Internet-of-Things (IoT) networks for fast data aggregation from a large number of wireless devices. However, the computation accuracy of AirComp highly depends on the devices with the worst channels condition, which degrades severely when the number of devices becomes large. To address this issue, we exploit the ma...
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关键词
Over-the-air computation (AirComp),Internet-of-Things (IoT) networks,massive multiple-input multiple-output (MIMO),hybrid beamforming,optimization
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