Search Results - "RF precoder"

Two-Stage Constant-Envelope Precoding for Low-Cost Massive MIMO Systems by An Liu, Lau, Vincent K. N.

“… with S ≪ M RF chains and nonlinear power amplifiers. Specifically, the MIMO precoder at the BS is partitioned into an RF precoder and a baseband precoder…”
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Optimizing Spectral Efficiency in Downlink Millimeter Wave Distributed Massive Multi-User MIMO: A Fully Connected Two-Stage Iterative Hybrid Precoding Approach by Gholami, Elahe, Meghdadi, Hamid, Shahzadi, Ali

“… The objective function for the optimization problem is the spectral efficiency of the proposed system, subject to constraints on analog radio frequency (RF…”
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Symbol Level Precoding in the RF Domain for Low Hardware Complexity RIS-Assisted MU-MISO Systems by Tsinos, Christos G., Tsiftsis, Theodoros A., Schober, Robert

“… The objective of this paper is to jointly derive the optimal RF precoder, RIS reflection matrix and receive processing coefficients, subject to constraints on the BS analog architecture, the total…”
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Downlink performance of hybrid precoding in massive MIMO systems subject to phase noise by Yu Zhang, Dongming Wang, Xinjiang Xia, Xiaohu You

“… (CCMs) of sparse massive MIMO channels. Additionally, we employ a CCM aided RF precoder combined with regularized zero-forcing (RZF…”
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