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- W4205263096 abstract "In this paper, we investigate the benefit of multiple-input multiple-output orthogonal frequency division multiplexing based on nonorthogonal multiple access scheme (MIMO OFDM-NOMA) system. In the first part, we consider the tensor-based MIMO OFDM-NOMA receivers with a sixth-order tensor model, wherein the factor matrices are corresponding space, time, frequency, code, power of signals. In the second part, we propose a tensor-based blind receiver method, called tensor-based fourth-order cumulants blind receiver (T-FOBR) method, for jointly estimating the channel matrix slice and the transmitted symbols. The estimation of the channel matrix slice can be guaranteed by decomposing the Fourth-order cumulants of the received signals. Combined with structure of the six-order tensor model, we use a modified alternative algebraic method to decompose the tensor. In the third part, the diversity-based channel SNR of the tensor model is derived for improving the channel SNR. Finally, Monte Carlo simulation results are provided to compare the performance of tensor-based system and of the proposed T-FOBR method." @default.
- W4205263096 created "2022-01-25" @default.
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- W4205263096 date "2021-10-22" @default.
- W4205263096 modified "2023-09-27" @default.
- W4205263096 title "Tensor-based blind receivers for MIMO OFDM-NOMA System" @default.
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- W4205263096 doi "https://doi.org/10.1145/3501409.3501457" @default.
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