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For a massive multiple-input multiple-output (MIMO) system, restricting the number of RF chains to far less than the number of antenna elements can significantly reduce the implementation cost compared to the full complexity RF chain configuration. In this paper, we consider the downlink communication of a massive multiuser MIMO (MU-MIMO) system and propose(More)
For practical implementation of massive multiple-input multiple-output (MIMO) systems, the hybrid processing (precoding/combining) structure is promising to reduce the high implementation cost and power consumption rendered by large number of radio frequency (RF) chains of the traditional processing structure. The hybrid processing is realized through(More)
Hybrid beamforming in massive multiple-input multiple-output (MIMO) systems is one of the most promising techniques to meet rapidly increasing data rate demand of the fifth generation cellular system with reduced implementation costs. In this paper, we focus on a downlink communication scenario where a hybrid beamforming base station (BS) transmits data to(More)
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