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- W2998082240 abstract "Orthogonal signal-division multiplexing (OSDM) has recently emerged as a promising modulation scheme for underwater acoustic communications. Although providing more flexibility in system design, it suffers from a special interference structure over time-varying channels. To enable reliable OSDM equalization, we propose a joint channel impulse response and Doppler estimation algorithm in this paper. Compared to the existing method, which solves a nonconvex bilinear optimization problem iteratively in the frequency domain without a guarantee of global optimality, the proposed algorithm transforms the problem into a convex quadratic minimization in the time domain and can achieve a closed-form solution." @default.
- W2998082240 created "2020-01-10" @default.
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- W2998082240 date "2020-05-01" @default.
- W2998082240 modified "2023-10-15" @default.
- W2998082240 title "Joint channel and Doppler estimation for OSDM underwater acoustic communications" @default.
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- W2998082240 doi "https://doi.org/10.1016/j.sigpro.2019.107446" @default.
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