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   Articles with "statistical csi" as a keyword



Statistical CSI-Based Design for Reconfigurable Intelligent Surface-Aided Massive MIMO Systems With Direct Links

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recommendations! Published in 2021 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2021.3059938

Abstract: This letter investigates the performance of reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (mMIMO) systems with direct links, and the phase shifts of the RIS are designed based on the statistical channel state information (CSI).… read more here.

Keywords: aided massive; reconfigurable intelligent; systems direct; direct links ... See more keywords

Massive MIMO Empowered Wireless Powered Sensor Networks: An Optimal Design With Statistical CSI

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recommendations! Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3194002

Abstract: Wireless energy transfer (WET) has been anticipated as a viable solution to combat the challenges of scarce energy supply in Internet-of-Things (IoT) applications. To reap the benefit brought by large scale antenna arrays, massive multiple-input-multiple-out… read more here.

Keywords: wireless; statistical csi; energy; sensor ... See more keywords

Stacked Intelligent Metasurface Enabled LEO Satellite Communications Relying on Statistical CSI

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recommendations! Published in 2024 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2024.3368238

Abstract: Low earth orbit (LEO) satellite communication systems have gained increasing attention as a crucial supplement to terrestrial wireless networks due to their extensive coverage area. This letter presents a novel system design for LEO satellite… read more here.

Keywords: statistical csi; system; stacked intelligent; intelligent metasurface ... See more keywords

Statistical CSI-Enabled Optimization for Beyond Diagonal SIM

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recommendations! Published in 2025 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2025.3584817

Abstract: Stacked intelligent metasurfaces (SIM) represent an innovative design comprising multiple metasurface layers, enabling complex signal processing tasks directly in the wave domain. This paradigm not only enhances signal processing efficiency but also reduces hardware costs.… read more here.

Keywords: beyond diagonal; statistical csi; signal processing; diagonal sim ... See more keywords

Statistical CSI-Based Beamspace Transmission for Massive MIMO LEO Satellite Communications

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recommendations! Published in 2025 at "Entropy"

DOI: 10.3390/e27121214

Abstract: In multibeam low-Earth-orbit (LEO) satellite systems, precoding has emerged as a key technology for mitigating co-channel interference (CCI) and for improving spectral efficiency (SE). However, its practical implementation is challenged by the difficulty of acquiring… read more here.

Keywords: beamspace transmission; statistical csi; based beamspace; beamspace ... See more keywords