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- W2948130626 abstract "In practical multiple-input multiple-output (MIMO) visible light communication (VLC) systems, the imperfect channel state information brings the issue that the precoding scheme may not well suppress multi-user interferences (MUIs). In this letter, with the objective of suppressing MUIs more effectively, we utilize the location information of users obtained from positioning systems, and present a real domain location-based chaotically rotating orthogonal scheme. In our design, we first develop a range-variable chaotic mapping method and embed users’ location information into the chaotic sequences. Then, we exploit the chaotic rotation to construct orthogonal matrices with the aim to orthogonalize transmitted signals. At the receiver, with the aid of the known location information and the chaotically rotating orthogonalization structure, the information can be retrieved from received signals, hence achieving robust MUI suppressions. Simulations are performed and the results demonstrate that our proposed scheme can effectively combat the MUI and improve the reliability performances for VLC systems." @default.
- W2948130626 created "2019-06-14" @default.
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- W2948130626 date "2019-08-01" @default.
- W2948130626 modified "2023-10-16" @default.
- W2948130626 title "Robust MUI Suppression for MIMO Visible Light Communication System With Location-Aided Chaotically Rotating Orthogonal Scheme" @default.
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- W2948130626 doi "https://doi.org/10.1109/lcomm.2019.2920833" @default.
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