Multi-stream massive MIMO satellite systems require multi-satellite cooperation and multi-antenna users, and can use statistical CSI for robust precoding algorithms that achieve near-instantaneous-CSI performance with large antenna counts.
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Monte Carlo simulations show that subgroup multicasting with normalized conjugate beamforming offers a robust performance-complexity trade-off in clustered and heterogeneous user scenarios for cell-free massive MIMO, while unicast is better in uniform deployments.
citing papers explorer
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Robust Multi-Stream Massive MIMO Satellite Systems Based on Statistical CSI
Multi-stream massive MIMO satellite systems require multi-satellite cooperation and multi-antenna users, and can use statistical CSI for robust precoding algorithms that achieve near-instantaneous-CSI performance with large antenna counts.
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Conjugate Beamforming Variants for Multicasting in Cell-Free Massive MIMO Systems
Monte Carlo simulations show that subgroup multicasting with normalized conjugate beamforming offers a robust performance-complexity trade-off in clustered and heterogeneous user scenarios for cell-free massive MIMO, while unicast is better in uniform deployments.