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• W2980188933 abstract "Abstract Orthogonal signal-division multiplexing (OSDM) has recently emerged as a promising alternative to orthogonal frequency division multiplexing (OFDM) for high-rate wireless communications. Although providing more flexibility in system design, it suffers from a special interference structure, namely inter-vector interference (IVI), when channel time variations are present. In this paper, we first derive the general OSDM signal model over time-varying channels, and then show that a time-domain window can be used to enhance the diagonal-block-banded (DBB) approximation of the channel matrix in a transformed domain. Furthermore, based on the DBB matrix enhancement, a low-complexity OSDM equalization algorithm is designed. Simulation results indicate that the proposed equalizer has significant performance advantages over that using the direct DBB approximation." @default.
• W2980188933 created "2019-10-18" @default.
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• W2980188933 date "2020-03-01" @default.
• W2980188933 modified "2023-10-17" @default.
• W2980188933 title "Equalization of OSDM over time-varying channels based on diagonal-block-banded matrix enhancement" @default.
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• W2980188933 doi "https://doi.org/10.1016/j.sigpro.2019.107333" @default.
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